fix and add main.c
This commit is contained in:
parent
0ccb490096
commit
2870d4685e
99
main_sketch/Lcd_print.cpp
Normal file
99
main_sketch/Lcd_print.cpp
Normal file
@ -0,0 +1,99 @@
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
#include <stdint.h>
|
||||
#include <stdio.h>
|
||||
#include "MyLCD.h"
|
||||
#include "protocol.h"
|
||||
#include <Arduino.h>
|
||||
|
||||
struct DisplayData {
|
||||
char topLine[64];
|
||||
float value1;
|
||||
float value2;
|
||||
float value3;
|
||||
};
|
||||
|
||||
struct TextCounter {
|
||||
unsigned long startTime;
|
||||
int incrementValue;
|
||||
};
|
||||
|
||||
TextCounter textCounter;
|
||||
|
||||
void Lcd_inciliation() {
|
||||
lcd_init(LCD_DISP_ON_BLINK); // инициализация дисплея
|
||||
lcd_home(); // домой курсор
|
||||
lcd_led(0); // вкл подсветки
|
||||
textCounter.startTime = millis(); // Запоминаем время запуска программы
|
||||
}
|
||||
|
||||
void fillBuffer1(const char* source, char* buffer, size_t bufferSize, int incrementValue) {
|
||||
int startIndex = incrementValue % strlen(source); // Определяем начальный индекс на основе incrementValue
|
||||
int endIndex = startIndex + 16;
|
||||
|
||||
for (int i = 0; i < 16; ++i) {
|
||||
buffer[i] = source[(startIndex + i) % strlen(source)];
|
||||
}
|
||||
buffer[16] = '\0'; // Установка нулевого символа в конце буфера
|
||||
}
|
||||
|
||||
void fillBuffer2(float value1, float value2, float value3, char* buffer, size_t bufferSize) {
|
||||
snprintf(buffer, bufferSize, "%.2f.%.2f.%.2f", value1, value2, value3);
|
||||
}
|
||||
|
||||
void printLcd(struct message* decode_message) {
|
||||
unsigned long currentTime = millis(); // Текущее время
|
||||
// Проверяем, прошло ли 500 мс с момента последнего увеличения incrementValue
|
||||
if (currentTime - textCounter.startTime >= 500) {
|
||||
textCounter.incrementValue++; // Увеличиваем incrementValue на 1
|
||||
textCounter.startTime = currentTime; // Обновляем время
|
||||
}
|
||||
|
||||
struct DisplayData displayData;
|
||||
strncpy(displayData.topLine, decode_message->str, sizeof(displayData.topLine) - 1);
|
||||
displayData.topLine[sizeof(displayData.topLine) - 1] = '\0';
|
||||
displayData.value1 = decode_message->numbers[0];
|
||||
displayData.value2 = decode_message->numbers[1];
|
||||
displayData.value3 = decode_message->numbers[2];
|
||||
|
||||
// Буферы для заполнения данных
|
||||
char buffer1[17];
|
||||
char buffer2[17];
|
||||
|
||||
// Заполнение буфера 1
|
||||
fillBuffer1(displayData.topLine, buffer1, sizeof(buffer1), textCounter.incrementValue);
|
||||
|
||||
// Заполнение буфера 2
|
||||
fillBuffer2(displayData.value1, displayData.value2, displayData.value3, buffer2, sizeof(buffer2));
|
||||
|
||||
// Создание массива для вывода на дисплей
|
||||
char displayArray[32];
|
||||
strncpy(displayArray, buffer1, 16); // Копирование первых 16 символов из buffer1 в displayArray
|
||||
strncpy(displayArray + 16, buffer2, 16); // Копирование первых 16 символов из buffer2 в displayArray, начиная с позиции 16
|
||||
|
||||
// Вывод данных на экран
|
||||
lcd_gotoxy(0, 0);
|
||||
lcd_puts(displayArray);
|
||||
|
||||
lcd_gotoxy(0, 1);
|
||||
lcd_puts(displayArray + 16); // Вывод второй половины displayArray
|
||||
}
|
||||
|
||||
void dder() {
|
||||
Lcd_inciliation();
|
||||
|
||||
uint8_t encode_message[100];
|
||||
size_t len_encode_message = 0;
|
||||
struct message message;
|
||||
|
||||
|
||||
// Получаем данные из протокола
|
||||
protocol_encode(message, encode_message, &len_encode_message);
|
||||
|
||||
// Декодируем данные из протокола
|
||||
struct message decode_message;
|
||||
protocol_decode(encode_message, len_encode_message, &decode_message);
|
||||
|
||||
// Выводим данные на экран
|
||||
printLcd(&decode_message);
|
||||
}
|
22
main_sketch/MyLCD.h
Normal file
22
main_sketch/MyLCD.h
Normal file
@ -0,0 +1,22 @@
|
||||
|
||||
#ifndef MYLCD_H_
|
||||
#define MYLCD_H_
|
||||
|
||||
|
||||
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD> <20><><EFBFBD><EFBFBD>
|
||||
#include <avr/io.h>
|
||||
#include <util/delay.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
#include <stdint.h>
|
||||
#include <compat/twi.h>
|
||||
#include <inttypes.h>
|
||||
#include <avr/pgmspace.h>
|
||||
#include <avr/interrupt.h>
|
||||
#include <stdio.h>
|
||||
#include "lcdpcf8574.h"
|
||||
#include "pcf8574.h"
|
||||
#include "i2cmaster.h"
|
||||
|
||||
|
||||
#endif
|
36
main_sketch/circular_buf.c
Normal file
36
main_sketch/circular_buf.c
Normal file
@ -0,0 +1,36 @@
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include "circular_buf.h"
|
||||
|
||||
|
||||
void initialize_buffer(struct circular_buffer* cb) {
|
||||
cb->buf_head = 0;
|
||||
cb->buf_tail = 0;
|
||||
}
|
||||
// Проверка, пустой ли буфер
|
||||
int buffer_empty(const struct circular_buffer* cb) {
|
||||
return cb->buf_head == cb->buf_tail;
|
||||
}
|
||||
// Проверка, заполнен ли буфер
|
||||
int buffer_full(const struct circular_buffer* cb) {
|
||||
return (cb->buf_tail + 1) % BUFFER_SIZE == cb->buf_head; //проверяем следующее число, если оно будет совпадать с индексом головы то будет false, при совпадении вывод true
|
||||
}
|
||||
// Запись в буфер
|
||||
void write_buffer(struct circular_buffer* cb, int value) {
|
||||
if (buffer_full(cb)) { // проверяем, заполнен ли буфер
|
||||
return;
|
||||
}
|
||||
cb->buffer[cb->buf_tail] = value;// записываем значение в элемент массива в хвост
|
||||
cb->buf_tail = (cb->buf_tail + 1) % BUFFER_SIZE;// присваивается cb->buf_tail, обновляется его значение на следующий индекс в буфере
|
||||
}
|
||||
// Чтение элемента
|
||||
int read_buffer(struct circular_buffer* cb) {
|
||||
if (buffer_empty(cb)) { // проверка на пустоту
|
||||
return -1;// -1 как индикатор в случае ошибки
|
||||
}
|
||||
int value = cb->buffer[cb->buf_head]; // чтение по индексу головы
|
||||
cb->buf_head = (cb->buf_head + 1) % BUFFER_SIZE; // увеличиваем индекс на 1
|
||||
return value;
|
||||
}
|
||||
|
||||
|
18
main_sketch/circular_buf.h
Normal file
18
main_sketch/circular_buf.h
Normal file
@ -0,0 +1,18 @@
|
||||
#ifndef CIRCULAR_BUFFER_H
|
||||
#define CIRCULAR_BUFFER_H
|
||||
|
||||
#define BUFFER_SIZE 32
|
||||
|
||||
struct circular_buffer{
|
||||
unsigned char buffer[BUFFER_SIZE];
|
||||
unsigned char buf_head;
|
||||
unsigned char buf_tail;
|
||||
};
|
||||
|
||||
void initialize_buffer(struct circular_buffer* cb);
|
||||
int buffer_empty(const struct circular_buffer* cb);
|
||||
int buffer_full(const struct circular_buffer* cb);
|
||||
void write_buffer(struct circular_buffer* cb, int value);
|
||||
int read_buffer(struct circular_buffer* cb);
|
||||
|
||||
#endif /* CIRCULAR_BUFFER_H */
|
129
main_sketch/client.c
Normal file
129
main_sketch/client.c
Normal file
@ -0,0 +1,129 @@
|
||||
#include "client.h"
|
||||
#include "hdlc.h"
|
||||
#include "stdio.h"
|
||||
|
||||
#define SIZE_DATA_BUFFERS 64
|
||||
|
||||
int connecting_frame_timeout_bf;
|
||||
|
||||
void init_hdlc_client(struct Client* client, int connecting_frame_timeout){
|
||||
client->state = IDLE_STATE;
|
||||
client->connecting_frame_timeout = connecting_frame_timeout;
|
||||
connecting_frame_timeout_bf = connecting_frame_timeout;
|
||||
client->current_index_frame = 20;
|
||||
|
||||
client->current_state_hdlc.control_escape = 0;
|
||||
client->current_state_hdlc.fcs = FCS_INIT_VALUE;
|
||||
client->current_state_hdlc.start_index = -1;
|
||||
client->current_state_hdlc.end_index = -1;
|
||||
client->current_state_hdlc.src_index = 0;
|
||||
client->current_state_hdlc.dest_index = 0;
|
||||
}
|
||||
|
||||
void hdlc_connect(struct Client* client){
|
||||
client->state = CONNECTING;
|
||||
|
||||
client->frameS.seq_no = 0;
|
||||
client->frameS.frame = S_FRAME;
|
||||
client->current_index_frame = client->frameS.seq_no;
|
||||
}
|
||||
|
||||
int hdlc_send_data(struct Client* client, uint8_t data[], size_t data_len){
|
||||
if (client->state != READY_STATE){
|
||||
return ERR_INVALID_STATE;
|
||||
}
|
||||
|
||||
client->state = RECIVING;
|
||||
|
||||
if (SIZE_DATA_BUFFERS < data_len){
|
||||
return ERR_INVALID_DATA_SIZE;
|
||||
}
|
||||
|
||||
client->frameI.seq_no = 0;
|
||||
client->frameI.frame = I_FRAME;
|
||||
client->data_i_frame = data;
|
||||
client->len_data_i_frame = data_len;
|
||||
client->current_index_frame = client->frameI.seq_no;
|
||||
|
||||
client->state = RECIVING;
|
||||
return 0;
|
||||
}
|
||||
|
||||
int hdlc_get_raw_frame(struct Client *client, uint8_t* buffer, size_t lenBuffer) {
|
||||
if(client->state == RECIVING){
|
||||
int ret = hdlc_frame_data(&client->frameI, client->data_i_frame,
|
||||
client->len_data_i_frame, buffer, &lenBuffer);
|
||||
if (ret < 0){
|
||||
printf("err in get_frame: %d\n", ret);
|
||||
}
|
||||
}
|
||||
|
||||
if (client->state == CONNECTING){
|
||||
int ret = hdlc_frame_data(&client->frameS, NULL, 0, buffer, &lenBuffer);
|
||||
|
||||
if (ret < 0){
|
||||
printf("err in get_frame: %d\n", ret);
|
||||
}
|
||||
}
|
||||
|
||||
if (client->state == DISCONNECTING){
|
||||
int ret = hdlc_frame_data(&client->frame_rej, NULL, 0, buffer, &lenBuffer);
|
||||
|
||||
if (ret < 0){
|
||||
printf("err in get_frame: %d\n", ret);
|
||||
}
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int hdlc_decode_recived_raw_data(struct Client* client, uint8_t* buffer, size_t len_buffer, uint8_t* recived_data, size_t* len_recived_data){
|
||||
hdlc_control_t recv_control;
|
||||
uint8_t recive[len_buffer];
|
||||
|
||||
int ret = hdlc_get_data_with_state(&client->current_state_hdlc,&recv_control, buffer, len_buffer, recive,
|
||||
&len_buffer);
|
||||
|
||||
if (ret < 0) {
|
||||
return ret;
|
||||
}
|
||||
|
||||
if (recv_control.seq_no != client->current_index_frame){
|
||||
client->state = DISCONNECTING;
|
||||
client->frame_rej.seq_no = 0;
|
||||
client->frame_rej.frame = S_FRAME_NACK;
|
||||
return ERR_INVALID_SEQ_NUMBER_FRAME;
|
||||
}
|
||||
|
||||
switch (recv_control.frame) {
|
||||
case S_FRAME:
|
||||
client->state = READY_STATE;
|
||||
break;
|
||||
case I_FRAME:
|
||||
for (int i = 0; i < sizeof(recive)-2; i++){
|
||||
recived_data[i] = recive[i];
|
||||
}
|
||||
|
||||
*len_recived_data = sizeof(recive)-2;
|
||||
|
||||
client->state = SEND;
|
||||
break;
|
||||
case S_FRAME_NACK:
|
||||
client->state = DISCONNECTING;
|
||||
client->frame_rej.seq_no = 0;
|
||||
client->frame_rej.frame = S_FRAME_NACK;
|
||||
return ERR_INVALID_SEQ_NUMBER_FRAME;
|
||||
}
|
||||
|
||||
client->connecting_frame_timeout = connecting_frame_timeout_bf;
|
||||
return 0;
|
||||
}
|
||||
|
||||
int hdlc_timeout_handler(struct Client* client, int delta_time){
|
||||
client->connecting_frame_timeout -= delta_time;
|
||||
|
||||
if (client->connecting_frame_timeout <= 0){
|
||||
return ERR_FRAME_TIME_OUT;
|
||||
}
|
||||
return 0;
|
||||
}
|
49
main_sketch/client.h
Normal file
49
main_sketch/client.h
Normal file
@ -0,0 +1,49 @@
|
||||
#ifndef CLIENT_H
|
||||
#define CLIENT_H
|
||||
|
||||
#include <stdint.h>
|
||||
#include <stdbool.h>
|
||||
#include "hdlc.h"
|
||||
|
||||
#define ERR_INVALID_DATA_SIZE -1
|
||||
#define ERR_ALL_BUFFERS_FILL -2
|
||||
#define ERR_INVALID_PARAMS -3
|
||||
#define ERR_INVALID_STATE -4
|
||||
#define ERR_FRAME_TIME_OUT -5
|
||||
#define ERR_INVALID_SEQ_NUMBER_FRAME -6
|
||||
#define ERR_TIMEOUT_ANSWER -7
|
||||
|
||||
enum HDLCState {
|
||||
UNINITIALIZED_STATE = 0, // состояние до инцилизации
|
||||
IDLE_STATE, // Состояние ожидания начала
|
||||
READY_STATE, // Состояние принятия
|
||||
CONNECTING, // состояние соединения
|
||||
DISCONNECTING, // состояния отключения
|
||||
RECIVING, // состояние приема и отправки
|
||||
SEND, //данные отправлены
|
||||
};
|
||||
|
||||
struct Client{
|
||||
enum HDLCState state;
|
||||
int connecting_frame_timeout; //-1
|
||||
uint8_t current_index_frame;
|
||||
hdlc_state_t current_state_hdlc;
|
||||
hdlc_control_t frameS;
|
||||
hdlc_control_t frameI;
|
||||
uint8_t* data_i_frame;
|
||||
size_t len_data_i_frame;
|
||||
// hdlc_control_t frame3;
|
||||
// hdlc_control_t frame4;
|
||||
hdlc_control_t frame_rej;
|
||||
};
|
||||
|
||||
//название функций
|
||||
void init_hdlc_client(struct Client* client, int connecting_frame_timeout);
|
||||
void hdlc_connect(struct Client* client);
|
||||
int hdlc_send_data(struct Client* client, uint8_t data[], size_t data_len);
|
||||
int hdlc_get_raw_frame(struct Client *client, uint8_t* buffer, size_t lenBuffer);
|
||||
//принимает буффер с уарта
|
||||
int hdlc_decode_recived_raw_data(struct Client* client, uint8_t* buffer, size_t len_buffer, uint8_t* recived_data, size_t* len_recived_data);
|
||||
int hdlc_timeout_handler(struct Client* client, int delta_time);
|
||||
|
||||
#endif //CLIENT_H
|
41
main_sketch/fcs.c
Normal file
41
main_sketch/fcs.c
Normal file
@ -0,0 +1,41 @@
|
||||
#include "fcs.h"
|
||||
|
||||
/*
|
||||
* CRC-Type: CRC16 CCIT
|
||||
* Polynomial: 0x1021 (x^16+x^12+x^5+1)
|
||||
* Lookup Table: Reflected
|
||||
*/
|
||||
static const unsigned short fcstab[256] = {
|
||||
0x0000, 0x1189, 0x2312, 0x329b,
|
||||
0x4624, 0x57ad, 0x6536, 0x74bf, 0x8c48, 0x9dc1, 0xaf5a, 0xbed3, 0xca6c,
|
||||
0xdbe5, 0xe97e, 0xf8f7, 0x1081, 0x0108, 0x3393, 0x221a, 0x56a5, 0x472c,
|
||||
0x75b7, 0x643e, 0x9cc9, 0x8d40, 0xbfdb, 0xae52, 0xdaed, 0xcb64, 0xf9ff,
|
||||
0xe876, 0x2102, 0x308b, 0x0210, 0x1399, 0x6726, 0x76af, 0x4434, 0x55bd,
|
||||
0xad4a, 0xbcc3, 0x8e58, 0x9fd1, 0xeb6e, 0xfae7, 0xc87c, 0xd9f5, 0x3183,
|
||||
0x200a, 0x1291, 0x0318, 0x77a7, 0x662e, 0x54b5, 0x453c, 0xbdcb, 0xac42,
|
||||
0x9ed9, 0x8f50, 0xfbef, 0xea66, 0xd8fd, 0xc974, 0x4204, 0x538d, 0x6116,
|
||||
0x709f, 0x0420, 0x15a9, 0x2732, 0x36bb, 0xce4c, 0xdfc5, 0xed5e, 0xfcd7,
|
||||
0x8868, 0x99e1, 0xab7a, 0xbaf3, 0x5285, 0x430c, 0x7197, 0x601e, 0x14a1,
|
||||
0x0528, 0x37b3, 0x263a, 0xdecd, 0xcf44, 0xfddf, 0xec56, 0x98e9, 0x8960,
|
||||
0xbbfb, 0xaa72, 0x6306, 0x728f, 0x4014, 0x519d, 0x2522, 0x34ab, 0x0630,
|
||||
0x17b9, 0xef4e, 0xfec7, 0xcc5c, 0xddd5, 0xa96a, 0xb8e3, 0x8a78, 0x9bf1,
|
||||
0x7387, 0x620e, 0x5095, 0x411c, 0x35a3, 0x242a, 0x16b1, 0x0738, 0xffcf,
|
||||
0xee46, 0xdcdd, 0xcd54, 0xb9eb, 0xa862, 0x9af9, 0x8b70, 0x8408, 0x9581,
|
||||
0xa71a, 0xb693, 0xc22c, 0xd3a5, 0xe13e, 0xf0b7, 0x0840, 0x19c9, 0x2b52,
|
||||
0x3adb, 0x4e64, 0x5fed, 0x6d76, 0x7cff, 0x9489, 0x8500, 0xb79b, 0xa612,
|
||||
0xd2ad, 0xc324, 0xf1bf, 0xe036, 0x18c1, 0x0948, 0x3bd3, 0x2a5a, 0x5ee5,
|
||||
0x4f6c, 0x7df7, 0x6c7e, 0xa50a, 0xb483, 0x8618, 0x9791, 0xe32e, 0xf2a7,
|
||||
0xc03c, 0xd1b5, 0x2942, 0x38cb, 0x0a50, 0x1bd9, 0x6f66, 0x7eef, 0x4c74,
|
||||
0x5dfd, 0xb58b, 0xa402, 0x9699, 0x8710, 0xf3af, 0xe226, 0xd0bd, 0xc134,
|
||||
0x39c3, 0x284a, 0x1ad1, 0x0b58, 0x7fe7, 0x6e6e, 0x5cf5, 0x4d7c, 0xc60c,
|
||||
0xd785, 0xe51e, 0xf497, 0x8028, 0x91a1, 0xa33a, 0xb2b3, 0x4a44, 0x5bcd,
|
||||
0x6956, 0x78df, 0x0c60, 0x1de9, 0x2f72, 0x3efb, 0xd68d, 0xc704, 0xf59f,
|
||||
0xe416, 0x90a9, 0x8120, 0xb3bb, 0xa232, 0x5ac5, 0x4b4c, 0x79d7, 0x685e,
|
||||
0x1ce1, 0x0d68, 0x3ff3, 0x2e7a, 0xe70e, 0xf687, 0xc41c, 0xd595, 0xa12a,
|
||||
0xb0a3, 0x8238, 0x93b1, 0x6b46, 0x7acf, 0x4854, 0x59dd, 0x2d62, 0x3ceb,
|
||||
0x0e70, 0x1ff9, 0xf78f, 0xe606, 0xd49d, 0xc514, 0xb1ab, 0xa022, 0x92b9,
|
||||
0x8330, 0x7bc7, 0x6a4e, 0x58d5, 0x495c, 0x3de3, 0x2c6a, 0x1ef1, 0x0f78 };
|
||||
|
||||
FCS_SIZE calc_fcs(FCS_SIZE fcs, unsigned char value) {
|
||||
return (fcs >> 8) ^ fcstab[(fcs ^ value) & 0xff];
|
||||
}
|
18
main_sketch/fcs.h
Normal file
18
main_sketch/fcs.h
Normal file
@ -0,0 +1,18 @@
|
||||
#ifndef FCS_H
|
||||
#define FCS_H
|
||||
|
||||
#define FCS_INIT_VALUE 0xFFFF /* FCS initialization value. */
|
||||
#define FCS_GOOD_VALUE 0xF0B8 /* FCS value for valid frames. */
|
||||
#define FCS_INVERT_MASK 0xFFFF /* Invert the FCS value accordingly to the specification */
|
||||
#define FCS_SIZE unsigned short
|
||||
|
||||
/**
|
||||
* Calculates a new FCS based on the current value and value of data.
|
||||
*
|
||||
* @param fcs Current FCS value
|
||||
* @param value The value to be added
|
||||
* @returns Calculated FCS value
|
||||
*/
|
||||
FCS_SIZE calc_fcs(FCS_SIZE fcs, unsigned char value);
|
||||
|
||||
#endif
|
262
main_sketch/hdlc.c
Normal file
262
main_sketch/hdlc.c
Normal file
@ -0,0 +1,262 @@
|
||||
#include "hdlc.h"
|
||||
|
||||
// HDLC Control field bit positions
|
||||
#define HDLC_CONTROL_S_OR_U_FRAME_BIT 0
|
||||
#define HDLC_CONTROL_SEND_SEQ_NO_BIT 1
|
||||
#define HDLC_CONTROL_S_FRAME_TYPE_BIT 2
|
||||
#define HDLC_CONTROL_POLL_BIT 4
|
||||
#define HDLC_CONTROL_RECV_SEQ_NO_BIT 5
|
||||
|
||||
// HDLC Control type definitions
|
||||
#define HDLC_CONTROL_TYPE_RECEIVE_READY 0
|
||||
#define HDLC_CONTROL_TYPE_RECEIVE_NOT_READY 1
|
||||
#define HDLC_CONTROL_TYPE_REJECT 2
|
||||
#define HDLC_CONTROL_TYPE_SELECTIVE_REJECT 3
|
||||
|
||||
static hdlc_state_t hdlc_state = {
|
||||
.control_escape = 0,
|
||||
.fcs = FCS_INIT_VALUE,
|
||||
.start_index = -1,
|
||||
.end_index = -1,
|
||||
.src_index = 0,
|
||||
.dest_index = 0,
|
||||
};
|
||||
|
||||
int hdlc_set_state(hdlc_state_t *state) {
|
||||
if (!state) {
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
hdlc_state = *state;
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
int hdlc_get_state(hdlc_state_t *state) {
|
||||
if (!state) {
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
*state = hdlc_state;
|
||||
return 0;
|
||||
}
|
||||
|
||||
void hdlc_escape_value(char value, char *dest, int *dest_index) {
|
||||
// Check and escape the value if needed
|
||||
if ((value == HDLC_FLAG_SEQUENCE) || (value == HDLC_CONTROL_ESCAPE)) {
|
||||
dest[(*dest_index)++] = HDLC_CONTROL_ESCAPE;
|
||||
value ^= 0x20;
|
||||
}
|
||||
|
||||
// Add the value to the destination buffer and increment destination index
|
||||
dest[(*dest_index)++] = value;
|
||||
}
|
||||
|
||||
hdlc_control_t hdlc_get_control_type(unsigned char control) {
|
||||
hdlc_control_t value;
|
||||
|
||||
// Check if the frame is a S-frame (or U-frame)
|
||||
if (control & (1 << HDLC_CONTROL_S_OR_U_FRAME_BIT)) {
|
||||
// Check if S-frame type is a Receive Ready (ACK)
|
||||
if (((control >> HDLC_CONTROL_S_FRAME_TYPE_BIT) & 0x3)
|
||||
== HDLC_CONTROL_TYPE_RECEIVE_READY) {
|
||||
value.frame = S_FRAME;
|
||||
} else {
|
||||
// Assume it is an NACK since Receive Not Ready, Selective Reject and U-frames are not supported
|
||||
value.frame = S_FRAME_NACK;
|
||||
}
|
||||
|
||||
// Add the receive sequence number from the S-frame (or U-frame)
|
||||
value.seq_no = (control >> HDLC_CONTROL_RECV_SEQ_NO_BIT);
|
||||
} else {
|
||||
// It must be an I-frame so add the send sequence number (receive sequence number is not used)
|
||||
value.frame = I_FRAME;
|
||||
value.seq_no = (control >> HDLC_CONTROL_SEND_SEQ_NO_BIT);
|
||||
}
|
||||
|
||||
return value;
|
||||
}
|
||||
|
||||
unsigned char hdlc_frame_control_type(hdlc_control_t *control) {
|
||||
unsigned char value = 0;
|
||||
|
||||
switch (control->frame) {
|
||||
case I_FRAME:
|
||||
// Create the HDLC I-frame control byte with Poll bit set
|
||||
value |= (control->seq_no << HDLC_CONTROL_SEND_SEQ_NO_BIT);
|
||||
value |= (1 << HDLC_CONTROL_POLL_BIT);
|
||||
break;
|
||||
case S_FRAME:
|
||||
// Create the HDLC Receive Ready S-frame control byte with Poll bit cleared
|
||||
value |= (control->seq_no << HDLC_CONTROL_RECV_SEQ_NO_BIT);
|
||||
value |= (1 << HDLC_CONTROL_S_OR_U_FRAME_BIT);
|
||||
break;
|
||||
case S_FRAME_NACK:
|
||||
// Create the HDLC Receive Ready S-frame control byte with Poll bit cleared
|
||||
value |= (control->seq_no << HDLC_CONTROL_RECV_SEQ_NO_BIT);
|
||||
value |= (HDLC_CONTROL_TYPE_REJECT << HDLC_CONTROL_S_FRAME_TYPE_BIT);
|
||||
value |= (1 << HDLC_CONTROL_S_OR_U_FRAME_BIT);
|
||||
break;
|
||||
}
|
||||
|
||||
return value;
|
||||
}
|
||||
|
||||
void hdlc_get_data_reset() {
|
||||
hdlc_get_data_reset_with_state(&hdlc_state);
|
||||
}
|
||||
|
||||
void hdlc_get_data_reset_with_state(hdlc_state_t *state) {
|
||||
state->fcs = FCS_INIT_VALUE;
|
||||
state->start_index = state->end_index = -1;
|
||||
state->src_index = state->dest_index = 0;
|
||||
state->control_escape = 0;
|
||||
}
|
||||
|
||||
//int hdlc_get_data(hdlc_control_t *control, const char *src,
|
||||
// unsigned int src_len, char *dest, unsigned int *dest_len)
|
||||
int hdlc_get_data(hdlc_control_t *control, uint8_t *src,
|
||||
size_t src_len, uint8_t *dest, size_t *dest_len){
|
||||
return hdlc_get_data_with_state(&hdlc_state, control, src, src_len, dest, dest_len);
|
||||
}
|
||||
|
||||
//int hdlc_get_data_with_state(hdlc_state_t *state, hdlc_control_t *control, const char *src,
|
||||
// unsigned int src_len, char *dest, unsigned int *dest_len)
|
||||
int
|
||||
hdlc_get_data_with_state(hdlc_state_t *state, hdlc_control_t *control, uint8_t *src,
|
||||
size_t src_len, uint8_t *dest, size_t *dest_len){
|
||||
int ret;
|
||||
char value;
|
||||
unsigned int i;
|
||||
|
||||
// Make sure that all parameters are valid
|
||||
if (!state || !control || !src || !dest || !dest_len) {
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
// Run through the data bytes
|
||||
for (i = 0; i < src_len; i++) {
|
||||
// First find the start flag sequence
|
||||
if (state->start_index < 0) {
|
||||
if (src[i] == HDLC_FLAG_SEQUENCE) {
|
||||
// Check if an additional flag sequence byte is present
|
||||
if ((i < (src_len - 1)) && (src[i + 1] == HDLC_FLAG_SEQUENCE)) {
|
||||
// Just loop again to silently discard it (accordingly to HDLC)
|
||||
continue;
|
||||
}
|
||||
|
||||
state->start_index = state->src_index;
|
||||
}
|
||||
} else {
|
||||
// Check for end flag sequence
|
||||
if (src[i] == HDLC_FLAG_SEQUENCE) {
|
||||
// Check if an additional flag sequence byte is present or earlier received
|
||||
if (((i < (src_len - 1)) && (src[i + 1] == HDLC_FLAG_SEQUENCE))
|
||||
|| ((state->start_index + 1) == state->src_index)) {
|
||||
// Just loop again to silently discard it (accordingly to HDLC)
|
||||
continue;
|
||||
}
|
||||
|
||||
state->end_index = state->src_index;
|
||||
break;
|
||||
} else if (src[i] == HDLC_CONTROL_ESCAPE) {
|
||||
state->control_escape = 1;
|
||||
} else {
|
||||
// Update the value based on any control escape received
|
||||
if (state->control_escape) {
|
||||
state->control_escape = 0;
|
||||
value = src[i] ^ 0x20;
|
||||
} else {
|
||||
value = src[i];
|
||||
}
|
||||
|
||||
// Now update the FCS value
|
||||
state->fcs = calc_fcs(state->fcs, value);
|
||||
|
||||
if (state->src_index == state->start_index + 2) {
|
||||
// Control field is the second byte after the start flag sequence
|
||||
*control = hdlc_get_control_type(value);
|
||||
} else if (state->src_index > (state->start_index + 2)) {
|
||||
// Start adding the data values after the Control field to the buffer
|
||||
dest[state->dest_index++] = value;
|
||||
}
|
||||
}
|
||||
}
|
||||
state->src_index++;
|
||||
}
|
||||
|
||||
// Check for invalid frame (no start or end flag sequence)
|
||||
if ((state->start_index < 0) || (state->end_index < 0)) {
|
||||
// Return no message and make sure destination length is 0
|
||||
*dest_len = 0;
|
||||
ret = -ENOMSG;
|
||||
} else {
|
||||
// A frame is at least 4 bytes in size and has a valid FCS value
|
||||
if ((state->end_index < (state->start_index + 4))
|
||||
|| (state->fcs != FCS_GOOD_VALUE)) {
|
||||
// Return FCS error and indicate that data up to end flag sequence in buffer should be discarded
|
||||
*dest_len = i;
|
||||
ret = -EIO;
|
||||
} else {
|
||||
// Return success and indicate that data up to end flag sequence in buffer should be discarded
|
||||
*dest_len = state->dest_index - sizeof(state->fcs);
|
||||
ret = i;
|
||||
}
|
||||
|
||||
// Reset values for next frame
|
||||
hdlc_get_data_reset_with_state(state);
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
//int hdlc_frame_data(hdlc_control_t *control, const char *src,
|
||||
// unsigned int src_len, char *dest, unsigned int *dest_len)
|
||||
int hdlc_frame_data(hdlc_control_t *control, uint8_t *src,
|
||||
size_t src_len, uint8_t *dest, size_t *dest_len){
|
||||
unsigned int i;
|
||||
int dest_index = 0;
|
||||
unsigned char value = 0;
|
||||
FCS_SIZE fcs = FCS_INIT_VALUE;
|
||||
|
||||
// Make sure that all parameters are valid
|
||||
if (!control || (!src && (src_len > 0)) || !dest || !dest_len) {
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
// Start by adding the start flag sequence
|
||||
dest[dest_index++] = HDLC_FLAG_SEQUENCE;
|
||||
|
||||
// Add the all-station address from HDLC (broadcast)
|
||||
fcs = calc_fcs(fcs, HDLC_ALL_STATION_ADDR);
|
||||
hdlc_escape_value(HDLC_ALL_STATION_ADDR, dest, &dest_index);
|
||||
|
||||
// Add the framed control field value
|
||||
value = hdlc_frame_control_type(control);
|
||||
fcs = calc_fcs(fcs, value);
|
||||
hdlc_escape_value(value, dest, &dest_index);
|
||||
|
||||
// Only DATA frames should contain data
|
||||
if (control->frame == I_FRAME) {
|
||||
// Calculate FCS and escape data
|
||||
for (i = 0; i < src_len; i++) {
|
||||
fcs = calc_fcs(fcs, src[i]);
|
||||
hdlc_escape_value(src[i], dest, &dest_index);
|
||||
}
|
||||
}
|
||||
|
||||
// Invert the FCS value accordingly to the specification
|
||||
fcs ^= FCS_INVERT_MASK;
|
||||
|
||||
// Run through the FCS bytes and escape the values
|
||||
for (i = 0; i < sizeof(fcs); i++) {
|
||||
value = ((fcs >> (8 * i)) & 0xFF);
|
||||
hdlc_escape_value(value, dest, &dest_index);
|
||||
}
|
||||
|
||||
// Add end flag sequence and update length of frame
|
||||
dest[dest_index++] = HDLC_FLAG_SEQUENCE;
|
||||
*dest_len = dest_index;
|
||||
|
||||
return 0;
|
||||
}
|
108
main_sketch/hdlc.h
Normal file
108
main_sketch/hdlc.h
Normal file
@ -0,0 +1,108 @@
|
||||
//
|
||||
// Created by 79513 on 15.12.2023.
|
||||
//
|
||||
|
||||
#ifndef HDLC_H
|
||||
#define HDLC_H
|
||||
|
||||
#include "fcs.h"
|
||||
#include "errno.h"
|
||||
#include "stdint.h"
|
||||
|
||||
/** HDLC start/end flag sequence */
|
||||
#define HDLC_FLAG_SEQUENCE 0x7E
|
||||
|
||||
/** HDLC control escape value */
|
||||
#define HDLC_CONTROL_ESCAPE 0x7D
|
||||
|
||||
/** HDLC all station address */
|
||||
#define HDLC_ALL_STATION_ADDR 0xFF
|
||||
|
||||
/** Supported HDLC frame types */
|
||||
typedef enum {
|
||||
I_FRAME,
|
||||
S_FRAME,
|
||||
S_FRAME_NACK,
|
||||
} hdlc_frame_t;
|
||||
|
||||
/** Control field information */
|
||||
typedef struct {
|
||||
hdlc_frame_t frame;
|
||||
unsigned char seq_no :3;
|
||||
} hdlc_control_t;
|
||||
|
||||
/** Variables used in hdlc_get_data and hdlc_get_data_with_state
|
||||
* to keep track of received buffers
|
||||
*/
|
||||
typedef struct {
|
||||
char control_escape;
|
||||
FCS_SIZE fcs;
|
||||
int start_index;
|
||||
int end_index;
|
||||
int src_index;
|
||||
int dest_index;
|
||||
} hdlc_state_t;
|
||||
|
||||
/**
|
||||
* Retrieves data from specified buffer containing the HDLC frame. Frames can be
|
||||
* parsed from multiple buffers e.g. when received via UART.
|
||||
*
|
||||
* @param[out] control Control field structure with frame type and sequence number
|
||||
* @param[in] src Source buffer with frame
|
||||
* @param[in] src_len Source buffer length
|
||||
* @param[out] dest Destination buffer (should be able to contain max frame size)
|
||||
* @param[out] dest_len Destination buffer length
|
||||
* @retval >=0 Success (size of returned value should be discarded from source buffer)
|
||||
* @retval -EINVAL Invalid parameter
|
||||
* @retval -ENOMSG Invalid message
|
||||
* @retval -EIO Invalid FCS (size of dest_len should be discarded from source buffer)
|
||||
*
|
||||
* @see hdlc_get_data_with_state
|
||||
*/
|
||||
int hdlc_get_data(hdlc_control_t *control, uint8_t *src,
|
||||
size_t src_len, uint8_t *dest, size_t *dest_len);
|
||||
|
||||
/**
|
||||
* Retrieves data from specified buffer containing the HDLC frame. Frames can be
|
||||
* parsed from multiple buffers e.g. when received via UART.
|
||||
*
|
||||
* This function is a variation of @ref hdlc_get_data
|
||||
* The difference is only in first argument: hdlc_state_t *state
|
||||
* Data under that pointer is used to keep track of internal buffers.
|
||||
*
|
||||
* @see hdlc_get_data
|
||||
*/
|
||||
int hdlc_get_data_with_state(hdlc_state_t *state, hdlc_control_t *control, uint8_t *src,
|
||||
size_t src_len, uint8_t *dest, size_t *dest_len);
|
||||
|
||||
/**
|
||||
* Resets values used in yahdlc_get_data function to keep track of received buffers
|
||||
*/
|
||||
void hdlc_get_data_reset();
|
||||
|
||||
/**
|
||||
* This is a variation of @ref hdlc_get_data_reset
|
||||
* Resets state values that are under the pointer provided as argument
|
||||
*
|
||||
* This function need to be called before the first call to hdlc_get_data_with_state
|
||||
* when custom state storage is used.
|
||||
*
|
||||
* @see hdlc_get_data_reset
|
||||
*/
|
||||
void hdlc_get_data_reset_with_state(hdlc_state_t *state);
|
||||
|
||||
/**
|
||||
* Creates HDLC frame with specified data buffer.
|
||||
*
|
||||
* @param[in] control Control field structure with frame type and sequence number
|
||||
* @param[in] src Source buffer with data
|
||||
* @param[in] src_len Source buffer length
|
||||
* @param[out] dest Destination buffer (should be bigger than source buffer)
|
||||
* @param[out] dest_len Destination buffer length
|
||||
* @retval 0 Success
|
||||
* @retval -EINVAL Invalid parameter
|
||||
*/
|
||||
int hdlc_frame_data(hdlc_control_t *control, uint8_t *src,
|
||||
size_t src_len, uint8_t *dest, size_t *dest_len);
|
||||
|
||||
#endif //HDLC_H
|
42
main_sketch/i2cmaster.h
Normal file
42
main_sketch/i2cmaster.h
Normal file
@ -0,0 +1,42 @@
|
||||
#ifndef _I2CMASTER_H
|
||||
#define _I2CMASTER_H
|
||||
|
||||
// <20><><EFBFBD><EFBFBD>, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> i2c
|
||||
#define I2C_READ 1
|
||||
|
||||
// <20><><EFBFBD><EFBFBD>, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> i2c
|
||||
#define I2C_WRITE 0
|
||||
|
||||
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
#define SCL_CLOCK 100000L
|
||||
|
||||
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
void i2c_init(void);
|
||||
|
||||
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD>
|
||||
void i2c_stop(void);
|
||||
|
||||
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD>
|
||||
unsigned char i2c_start(unsigned char addr);
|
||||
|
||||
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD>(<28><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>)
|
||||
unsigned char i2c_rep_start(unsigned char addr);
|
||||
|
||||
// <20><><EFBFBD><EFBFBD>, <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>-<2D><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, <20> <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD>
|
||||
void i2c_start_wait(unsigned char addr);
|
||||
|
||||
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
unsigned char i2c_write(unsigned char data);
|
||||
|
||||
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
unsigned char i2c_readAck(void);
|
||||
|
||||
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> <20><><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD>
|
||||
unsigned char i2c_readNak(void);
|
||||
|
||||
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> <20><><EFBFBD><EFBFBD>
|
||||
unsigned char i2c_read(unsigned char ack);
|
||||
|
||||
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD>
|
||||
#define i2c_read(ack) (ack) ? i2c_readAck() : i2c_readNak();
|
||||
#endif
|
10
main_sketch/keywords.txt
Normal file
10
main_sketch/keywords.txt
Normal file
@ -0,0 +1,10 @@
|
||||
lcd_init KEYWORD2
|
||||
lcd_clrscr KEYWORD2
|
||||
lcd_home KEYWORD2
|
||||
lcd_gotoxy KEYWORD2
|
||||
lcd_led KEYWORD2
|
||||
lcd_putc KEYWORD2
|
||||
lcd_puts KEYWORD2
|
||||
lcd_puts_p KEYWORD2
|
||||
lcd_command KEYWORD2
|
||||
lcd_data KEYWORD2
|
8
main_sketch/lcd.h
Normal file
8
main_sketch/lcd.h
Normal file
@ -0,0 +1,8 @@
|
||||
#ifndef Lsd_print_h
|
||||
#define Lsd_print_h
|
||||
#include "protocol.h"
|
||||
|
||||
void Lcd_inciliation();
|
||||
void printLcd(struct message* decode_message);
|
||||
|
||||
#endif
|
316
main_sketch/lcdpcf8574.cpp
Normal file
316
main_sketch/lcdpcf8574.cpp
Normal file
@ -0,0 +1,316 @@
|
||||
#include "MyLCD.h"
|
||||
|
||||
// задержеки через асемблер
|
||||
#define lcd_e_delay() __asm__ __volatile__( "rjmp 1f\n 1:" );
|
||||
#define lcd_e_toggle() toggle_e()
|
||||
|
||||
|
||||
volatile uint8_t dataport = 0;
|
||||
|
||||
static void toggle_e(void);
|
||||
|
||||
// сама реализация задержек
|
||||
static inline void _delayFourCycles(unsigned int __count)
|
||||
{
|
||||
if ( __count == 0 )
|
||||
__asm__ __volatile__( "rjmp 1f\n 1:" );
|
||||
else
|
||||
__asm__ __volatile__ (
|
||||
"1: sbiw %0,1" "\n\t"
|
||||
"brne 1b"
|
||||
: "=w" (__count)
|
||||
: "0" (__count)
|
||||
);
|
||||
}
|
||||
|
||||
// тупа оборачиваем функцию в макрос
|
||||
#define delay(us) _delayFourCycles( ( ( 1*(F_CPU/4000) )*us)/1000 )
|
||||
|
||||
// переключение пина для начала записи команды
|
||||
static void toggle_e(void)
|
||||
{
|
||||
pcf8574_setoutputpinhigh(LCD_PCF8574_DEVICEID, LCD_E_PIN);
|
||||
lcd_e_delay();
|
||||
pcf8574_setoutputpinlow(LCD_PCF8574_DEVICEID, LCD_E_PIN);
|
||||
}
|
||||
|
||||
|
||||
// отправка байта для контроллера LCD
|
||||
static void lcd_write(uint8_t data,uint8_t rs)
|
||||
{
|
||||
if (rs) //отправка данных (RS=1, RW=0)
|
||||
dataport |= _BV(LCD_RS_PIN);
|
||||
else // отпрака инструкций(RS=0, RW=0)
|
||||
dataport &= ~_BV(LCD_RS_PIN);
|
||||
dataport &= ~_BV(LCD_RW_PIN);
|
||||
pcf8574_setoutput(LCD_PCF8574_DEVICEID, dataport);
|
||||
|
||||
// отправка старшего полубайта
|
||||
dataport &= ~_BV(LCD_DATA3_PIN);
|
||||
dataport &= ~_BV(LCD_DATA2_PIN);
|
||||
dataport &= ~_BV(LCD_DATA1_PIN);
|
||||
dataport &= ~_BV(LCD_DATA0_PIN);
|
||||
if(data & 0x80) dataport |= _BV(LCD_DATA3_PIN);
|
||||
if(data & 0x40) dataport |= _BV(LCD_DATA2_PIN);
|
||||
if(data & 0x20) dataport |= _BV(LCD_DATA1_PIN);
|
||||
if(data & 0x10) dataport |= _BV(LCD_DATA0_PIN);
|
||||
pcf8574_setoutput(LCD_PCF8574_DEVICEID, dataport);
|
||||
lcd_e_toggle();
|
||||
|
||||
// отправка младшего полубайта
|
||||
dataport &= ~_BV(LCD_DATA3_PIN);
|
||||
dataport &= ~_BV(LCD_DATA2_PIN);
|
||||
dataport &= ~_BV(LCD_DATA1_PIN);
|
||||
dataport &= ~_BV(LCD_DATA0_PIN);
|
||||
if(data & 0x08) dataport |= _BV(LCD_DATA3_PIN);
|
||||
if(data & 0x04) dataport |= _BV(LCD_DATA2_PIN);
|
||||
if(data & 0x02) dataport |= _BV(LCD_DATA1_PIN);
|
||||
if(data & 0x01) dataport |= _BV(LCD_DATA0_PIN);
|
||||
pcf8574_setoutput(LCD_PCF8574_DEVICEID, dataport);
|
||||
lcd_e_toggle();
|
||||
|
||||
// завершаем передачу
|
||||
dataport |= _BV(LCD_DATA0_PIN);
|
||||
dataport |= _BV(LCD_DATA1_PIN);
|
||||
dataport |= _BV(LCD_DATA2_PIN);
|
||||
dataport |= _BV(LCD_DATA3_PIN);
|
||||
pcf8574_setoutput(LCD_PCF8574_DEVICEID, dataport);
|
||||
}
|
||||
|
||||
// чтение байта
|
||||
static uint8_t lcd_read(uint8_t rs)
|
||||
{
|
||||
uint8_t data;
|
||||
|
||||
if (rs) // запись данных (RS=1, RW=0)
|
||||
dataport |= _BV(LCD_RS_PIN);
|
||||
else // запись инструкций (RS=0, RW=0)
|
||||
dataport &= ~_BV(LCD_RS_PIN);
|
||||
dataport |= _BV(LCD_RW_PIN);
|
||||
pcf8574_setoutput(LCD_PCF8574_DEVICEID, dataport);
|
||||
|
||||
pcf8574_setoutputpinhigh(LCD_PCF8574_DEVICEID, LCD_E_PIN);
|
||||
lcd_e_delay();
|
||||
// чтение страшего полубайта
|
||||
data = pcf8574_getoutputpin(LCD_PCF8574_DEVICEID, LCD_DATA0_PIN) << 4;
|
||||
pcf8574_setoutputpinlow(LCD_PCF8574_DEVICEID, LCD_E_PIN);
|
||||
|
||||
lcd_e_delay();
|
||||
|
||||
pcf8574_setoutputpinhigh(LCD_PCF8574_DEVICEID, LCD_E_PIN);
|
||||
lcd_e_delay();
|
||||
// чтение младшего полубайта
|
||||
data |= pcf8574_getoutputpin(LCD_PCF8574_DEVICEID, LCD_DATA0_PIN) &0x0F;
|
||||
pcf8574_setoutputpinlow(LCD_PCF8574_DEVICEID, LCD_E_PIN);
|
||||
|
||||
return data;
|
||||
}
|
||||
|
||||
// ждем пока ЖК освободится
|
||||
static uint8_t lcd_waitbusy(void)
|
||||
|
||||
{
|
||||
register uint8_t c;
|
||||
|
||||
// ждем
|
||||
while ( (c=lcd_read(0)) & (1<<LCD_BUSY)) {}
|
||||
// задержка
|
||||
delay(2);
|
||||
// получаем адрес
|
||||
return (lcd_read(0));
|
||||
}
|
||||
|
||||
|
||||
// перемещение курсора по строкам
|
||||
static inline void lcd_newline(uint8_t pos)
|
||||
{
|
||||
register uint8_t addressCounter;
|
||||
|
||||
|
||||
#if LCD_LINES==1
|
||||
addressCounter = 0;
|
||||
#endif
|
||||
#if LCD_LINES==2
|
||||
if ( pos < (LCD_START_LINE2) )
|
||||
addressCounter = LCD_START_LINE2;
|
||||
else
|
||||
addressCounter = LCD_START_LINE1;
|
||||
#endif
|
||||
#if LCD_LINES==4
|
||||
if ( pos < LCD_START_LINE3 )
|
||||
addressCounter = LCD_START_LINE2;
|
||||
else if ( (pos >= LCD_START_LINE2) && (pos < LCD_START_LINE4) )
|
||||
addressCounter = LCD_START_LINE3;
|
||||
else if ( (pos >= LCD_START_LINE3) && (pos < LCD_START_LINE2) )
|
||||
addressCounter = LCD_START_LINE4;
|
||||
else
|
||||
addressCounter = LCD_START_LINE1;
|
||||
#endif
|
||||
lcd_command((1<<LCD_DDRAM)+addressCounter);
|
||||
}
|
||||
|
||||
// служебная функция для отправки команд дисплею
|
||||
void lcd_command(uint8_t cmd)
|
||||
{
|
||||
lcd_waitbusy();
|
||||
lcd_write(cmd,0);
|
||||
}
|
||||
|
||||
// отправка байта на дисплей
|
||||
void lcd_data(uint8_t data)
|
||||
{
|
||||
lcd_waitbusy();
|
||||
lcd_write(data,1);
|
||||
}
|
||||
|
||||
// перемещение курсора по координатам
|
||||
void lcd_gotoxy(uint8_t x, uint8_t y)
|
||||
{
|
||||
#if LCD_LINES==1
|
||||
lcd_command((1<<LCD_DDRAM)+LCD_START_LINE1+x);
|
||||
#endif
|
||||
#if LCD_LINES==2
|
||||
if ( y==0 )
|
||||
lcd_command((1<<LCD_DDRAM)+LCD_START_LINE1+x);
|
||||
else
|
||||
lcd_command((1<<LCD_DDRAM)+LCD_START_LINE2+x);
|
||||
#endif
|
||||
#if LCD_LINES==4
|
||||
if ( y==0 )
|
||||
lcd_command((1<<LCD_DDRAM)+LCD_START_LINE1+x);
|
||||
else if ( y==1)
|
||||
lcd_command((1<<LCD_DDRAM)+LCD_START_LINE2+x);
|
||||
else if ( y==2)
|
||||
lcd_command((1<<LCD_DDRAM)+LCD_START_LINE3+x);
|
||||
else
|
||||
lcd_command((1<<LCD_DDRAM)+LCD_START_LINE4+x);
|
||||
#endif
|
||||
}
|
||||
|
||||
// тырим координаты
|
||||
int lcd_getxy(void)
|
||||
{
|
||||
return lcd_waitbusy();
|
||||
}
|
||||
|
||||
// очистка дисплея
|
||||
void lcd_clrscr(void)
|
||||
{
|
||||
lcd_command(1<<LCD_CLR);
|
||||
}
|
||||
|
||||
// вкл и откл подсветки
|
||||
void lcd_led(uint8_t onoff)
|
||||
{
|
||||
if(onoff)
|
||||
dataport &= ~_BV(LCD_LED_PIN);
|
||||
else
|
||||
dataport |= _BV(LCD_LED_PIN);
|
||||
pcf8574_setoutput(LCD_PCF8574_DEVICEID, dataport);
|
||||
}
|
||||
|
||||
// курсов в начало координат
|
||||
void lcd_home(void)
|
||||
{
|
||||
lcd_command(1<<LCD_HOME);
|
||||
}
|
||||
|
||||
// отображение символа в текущей позиции курсора
|
||||
void lcd_putc(char c)
|
||||
{
|
||||
uint8_t pos;
|
||||
|
||||
pos = lcd_waitbusy();
|
||||
if (c=='\n')
|
||||
{
|
||||
lcd_newline(pos);
|
||||
}
|
||||
else
|
||||
{
|
||||
#if LCD_WRAP_LINES==1
|
||||
#if LCD_LINES==1
|
||||
if ( pos == LCD_START_LINE1+LCD_DISP_LENGTH ) {
|
||||
lcd_write((1<<LCD_DDRAM)+LCD_START_LINE1,0);
|
||||
}
|
||||
#elif LCD_LINES==2
|
||||
if ( pos == LCD_START_LINE1+LCD_DISP_LENGTH ) {
|
||||
lcd_write((1<<LCD_DDRAM)+LCD_START_LINE2,0);
|
||||
}else if ( pos == LCD_START_LINE2+LCD_DISP_LENGTH ){
|
||||
lcd_write((1<<LCD_DDRAM)+LCD_START_LINE1,0);
|
||||
}
|
||||
#elif LCD_LINES==4
|
||||
if ( pos == LCD_START_LINE1+LCD_DISP_LENGTH ) {
|
||||
lcd_write((1<<LCD_DDRAM)+LCD_START_LINE2,0);
|
||||
}else if ( pos == LCD_START_LINE2+LCD_DISP_LENGTH ) {
|
||||
lcd_write((1<<LCD_DDRAM)+LCD_START_LINE3,0);
|
||||
}else if ( pos == LCD_START_LINE3+LCD_DISP_LENGTH ) {
|
||||
lcd_write((1<<LCD_DDRAM)+LCD_START_LINE4,0);
|
||||
}else if ( pos == LCD_START_LINE4+LCD_DISP_LENGTH ) {
|
||||
lcd_write((1<<LCD_DDRAM)+LCD_START_LINE1,0);
|
||||
}
|
||||
#endif
|
||||
lcd_waitbusy();
|
||||
#endif
|
||||
lcd_write(c, 1);
|
||||
}
|
||||
}
|
||||
|
||||
// вывод строки на дисплей
|
||||
void lcd_puts(const char *s)
|
||||
{
|
||||
register char c;
|
||||
|
||||
while ( (c = *s++) ) {
|
||||
lcd_putc(c);
|
||||
}
|
||||
}
|
||||
|
||||
// вывод строки из памяти
|
||||
void lcd_puts_p(const char *progmem_s)
|
||||
{
|
||||
register char c;
|
||||
|
||||
while ( (c = pgm_read_byte(progmem_s++)) ) {
|
||||
lcd_putc(c);
|
||||
}
|
||||
}
|
||||
|
||||
// инициализация дисплея
|
||||
void lcd_init(uint8_t dispAttr)
|
||||
{
|
||||
#if LCD_PCF8574_INIT == 1
|
||||
//инициализация pcf
|
||||
pcf8574_init();
|
||||
#endif
|
||||
|
||||
dataport = 0;
|
||||
pcf8574_setoutput(LCD_PCF8574_DEVICEID, dataport);
|
||||
|
||||
delay(16000);
|
||||
|
||||
// первоначальная запись на ЖК-дисплей — 8 бит
|
||||
dataport |= _BV(LCD_DATA1_PIN); // _BV(LCD_FUNCTION)>>4;
|
||||
dataport |= _BV(LCD_DATA0_PIN); // _BV(LCD_FUNCTION_8BIT)>>4;
|
||||
pcf8574_setoutput(LCD_PCF8574_DEVICEID, dataport);
|
||||
|
||||
// дрючим дисплей чтобы он начал работать
|
||||
lcd_e_toggle();
|
||||
delay(4992);
|
||||
lcd_e_toggle();
|
||||
delay(64);
|
||||
lcd_e_toggle();
|
||||
delay(64);
|
||||
|
||||
// переходим в 4 битный режим
|
||||
dataport &= ~_BV(LCD_DATA0_PIN);
|
||||
pcf8574_setoutput(LCD_PCF8574_DEVICEID, dataport);
|
||||
lcd_e_toggle();
|
||||
delay(64);
|
||||
|
||||
|
||||
lcd_command(LCD_FUNCTION_DEFAULT); // настраиваем кол-во строк
|
||||
lcd_command(LCD_DISP_OFF); // вырубаем дисплей
|
||||
lcd_clrscr(); // чистим экран
|
||||
lcd_command(LCD_MODE_DEFAULT); // запускаемся в стандартном режиме
|
||||
lcd_command(dispAttr); // отправляем настройки
|
||||
}
|
110
main_sketch/lcdpcf8574.h
Normal file
110
main_sketch/lcdpcf8574.h
Normal file
@ -0,0 +1,110 @@
|
||||
#ifndef LCD_H
|
||||
#define LCD_H
|
||||
|
||||
#define LCD_PCF8574_INIT 1 //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> pcf
|
||||
|
||||
#define LCD_PCF8574_DEVICEID 0 //id <20><><EFBFBD>-<2D><>
|
||||
#define LCD_FUNCTION_DEFAULT LCD_FUNCTION_4BIT_2LINES
|
||||
|
||||
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD>: <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>/<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>/<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
#define LCD_ENTRY_DEC 0x04 // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
#define LCD_ENTRY_DEC_SHIFT 0x05 // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
#define LCD_ENTRY_INC_ 0x06 // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, <20><><EFBFBD>. <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
#define LCD_ENTRY_INC_SHIFT 0x07 // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
|
||||
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>/<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>/<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
#define LCD_DISP_OFF 0x08 // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
#define LCD_DISP_ON 0x0C // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD>, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD>
|
||||
#define LCD_DISP_ON_BLINK 0x0D // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD>, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD>, <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD>
|
||||
#define LCD_DISP_ON_CURSOR 0x0E // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD>, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD>
|
||||
#define LCD_DISP_ON_CURSOR_BLINK 0x0F // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD>, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD>, <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD>
|
||||
|
||||
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>/<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
#define LCD_MOVE_CURSOR_LEFT 0x10 // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
#define LCD_MOVE_CURSOR_RIGHT 0x14 // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
#define LCD_MOVE_DISP_LEFT 0x18 // <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD>
|
||||
#define LCD_MOVE_DISP_RIGHT 0x1C // <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
|
||||
// <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
#define LCD_FUNCTION_4BIT_1LINE 0x20 // 4-<2D><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, 5x7 <20><><EFBFBD><EFBFBD><EFBFBD>
|
||||
#define LCD_FUNCTION_4BIT_2LINES 0x28 // 4-<2D><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, 5x7 <20><><EFBFBD><EFBFBD><EFBFBD>
|
||||
#define LCD_FUNCTION_8BIT_1LINE 0x30 // 8-<2D><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, 5x7 <20><><EFBFBD><EFBFBD><EFBFBD>
|
||||
#define LCD_FUNCTION_8BIT_2LINES 0x38 // 8-<2D><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, 5x7 <20><><EFBFBD><EFBFBD><EFBFBD>
|
||||
|
||||
#define LCD_LINES 2 // <20><><EFBFBD>-<2D><> <20><><EFBFBD><EFBFBD><EFBFBD>
|
||||
#define LCD_DISP_LENGTH 16 // <20><><EFBFBD>-<2D><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
#define LCD_LINE_LENGTH 0x40 // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
#define LCD_START_LINE1 0x00 // DDRM <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD> 1 <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
#define LCD_START_LINE2 0x40 // DDRM <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD> 2 <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
#define LCD_WRAP_LINES 1 // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
|
||||
|
||||
|
||||
#define LCD_DATA0_PIN 4 // <20><><EFBFBD> <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
#define LCD_DATA1_PIN 5 // <20><><EFBFBD> <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
#define LCD_DATA2_PIN 6 // <20><><EFBFBD> <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
#define LCD_DATA3_PIN 7 // <20><><EFBFBD> <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
#define LCD_RS_PIN 0 // <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> RS
|
||||
#define LCD_RW_PIN 1 // <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> RW
|
||||
#define LCD_E_PIN 2 // <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
#define LCD_LED_PIN 3 // <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
|
||||
|
||||
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> HD44780U.
|
||||
#define LCD_CLR 0 // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
#define LCD_HOME 1 // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD>
|
||||
#define LCD_ENTRY_MODE 2 // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD>
|
||||
#define LCD_ENTRY_INC 1 // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
#define LCD_ENTRY_SHIFT 0 // <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
#define LCD_ON 3 // <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
#define LCD_ON_DISPLAY 2 // <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
#define LCD_ON_CURSOR 1 // <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
#define LCD_ON_BLINK 0 // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
#define LCD_MOVE 4 // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
#define LCD_MOVE_DISP 3 // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
#define LCD_MOVE_RIGHT 2 // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
#define LCD_FUNCTION 5 // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
#define LCD_FUNCTION_8BIT 4 // 8 <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD>
|
||||
#define LCD_FUNCTION_2LINES 3 // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD>
|
||||
#define LCD_FUNCTION_10DOTS 2 // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
#define LCD_CGRAM 6 // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> CG RAM
|
||||
#define LCD_DDRAM 7 // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> DD RAM
|
||||
#define LCD_BUSY 7 // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD>
|
||||
|
||||
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD>
|
||||
#define LCD_MODE_DEFAULT ((1<<LCD_ENTRY_MODE) | (1<<LCD_ENTRY_INC) )
|
||||
|
||||
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
void lcd_init(uint8_t dispAttr);
|
||||
|
||||
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
void lcd_clrscr(void);
|
||||
|
||||
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
void lcd_home(void);
|
||||
|
||||
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
void lcd_gotoxy(uint8_t x, uint8_t y);
|
||||
|
||||
// <20><><EFBFBD> <20> <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
void lcd_led(uint8_t onoff);
|
||||
|
||||
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
void lcd_putc(char c);
|
||||
|
||||
// <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
void lcd_puts(const char *s);
|
||||
|
||||
// <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
void lcd_puts_p(const char *progmem_s);
|
||||
|
||||
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
void lcd_command(uint8_t cmd);
|
||||
|
||||
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
void lcd_data(uint8_t data);
|
||||
|
||||
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
#define lcd_puts_P(__s) lcd_puts_p(PSTR(__s))
|
||||
|
||||
#endif
|
120
main_sketch/main.c
Normal file
120
main_sketch/main.c
Normal file
@ -0,0 +1,120 @@
|
||||
#include "protocol.h"
|
||||
#include "stdio.h"
|
||||
|
||||
int main(){
|
||||
// union convert_float sample;
|
||||
// sample.fVal = 135;
|
||||
// union convert_float sample2;
|
||||
// for(int i = 0; i < sizeof sample.buf; i++){
|
||||
// printf("buffer %d: %d\n", i, sample.buf[i]);
|
||||
// sample2.buf[i] = sample.buf[i];
|
||||
// }
|
||||
//
|
||||
// printf("float: %f\n", sample2.fVal);
|
||||
|
||||
// union convert_char sample;
|
||||
// sample.cVal = "world_word_z";
|
||||
// union convert_char sample2;
|
||||
// for(int i = 0; i < sizeof sample.buf; i++){
|
||||
// printf("buffer %d: %d\n", i, sample.buf[i]);
|
||||
// sample2.buf[i] = sample.buf[i];
|
||||
// }
|
||||
//
|
||||
// printf("char: %s\n", sample2.cVal);
|
||||
|
||||
|
||||
// char a[64];
|
||||
// float f = 3.14159; // number to start with
|
||||
//
|
||||
// snprintf(a, sizeof a, "%f", f); // point a to f's location
|
||||
//
|
||||
// float num = atof(a);
|
||||
//
|
||||
// printf("%s\n", a);
|
||||
// printf("%f", num);
|
||||
//
|
||||
// // print float & byte array as hex
|
||||
// printf("float: %f\n", f);
|
||||
// printf("byte array: %hhX:%hhX:%hhX:%hhX\n", \
|
||||
// a[0], a[1], a[2], a[3]);
|
||||
|
||||
// uint8_t num;
|
||||
// sscanf(a, "%s", &num);
|
||||
// float s = atof(a);
|
||||
// printf("%f\n", s);
|
||||
|
||||
// float vIn = -1.07231;
|
||||
// char *vOut[4];
|
||||
// _gcvt_s(vOut,sizeof(vOut),vIn,9);
|
||||
//
|
||||
// float vA = (float)strtod(vOut,NULL);
|
||||
//
|
||||
// printf("\n%f", vA);
|
||||
|
||||
printf("Test number\n");
|
||||
struct message messNum;
|
||||
messNum.numbers[0] = 12.134;
|
||||
messNum.numbers[1] = 135.123;
|
||||
messNum.numbers[2] = 5214.12;
|
||||
messNum.numbers[3] = 12345.12345;
|
||||
messNum.len_str = 0;
|
||||
messNum.len_numbers = 4;
|
||||
|
||||
uint8_t buffer_number[] = {};
|
||||
size_t len_buffer_number;
|
||||
protocol_encode(messNum, buffer_number, &len_buffer_number);
|
||||
for (int i = 0; i < len_buffer_number; i++){
|
||||
printf("buffer %d: %d\n", i, buffer_number[i]);
|
||||
}
|
||||
|
||||
printf("---------------------------------------\n");
|
||||
|
||||
struct message respNum;
|
||||
protocol_decode(buffer_number, len_buffer_number, &respNum);
|
||||
for (int i = 0; i < 4; i++){
|
||||
printf("number %d: %f\n", i, respNum.numbers[i]);
|
||||
}
|
||||
|
||||
printf("\nTest word\n");
|
||||
struct message messStr;
|
||||
messStr.str = "word_war";
|
||||
messStr.len_str = sizeof messStr.str;
|
||||
messStr.len_numbers = 0;
|
||||
uint8_t bufferStr[] = {};
|
||||
size_t len_bufferStr;
|
||||
protocol_encode(messStr, bufferStr, &len_bufferStr);
|
||||
for (int i = 0; i < len_bufferStr; i++){
|
||||
printf("buffer %d: %d\n", i, bufferStr[i]);
|
||||
}
|
||||
|
||||
printf("---------------------------------------\n");
|
||||
|
||||
struct message respStr;
|
||||
protocol_decode(bufferStr, len_bufferStr, &respStr);
|
||||
printf("message: %s\n", respStr.str);
|
||||
|
||||
printf("\nTest number + word\n");
|
||||
|
||||
struct message mess;
|
||||
mess.numbers[0] = 12.134;
|
||||
mess.numbers[1] = 135.123;
|
||||
mess.len_numbers = 2;
|
||||
mess.str = "word_war_sas";
|
||||
mess.len_str = sizeof mess.str;
|
||||
uint8_t buffer[] = {};
|
||||
size_t len_buffer;
|
||||
protocol_encode(mess, buffer, &len_buffer);
|
||||
for (int i = 0; i < len_buffer; i++){
|
||||
printf("buffer %d: %d\n", i, buffer[i]);
|
||||
}
|
||||
|
||||
printf("---------------------------------------\n");
|
||||
|
||||
struct message resp;
|
||||
protocol_decode(buffer, len_buffer, &resp);
|
||||
for (int i = 0; i < resp.len_numbers; i++){
|
||||
printf("numbers %d: %f\n", i, resp.numbers[i]);
|
||||
}
|
||||
printf("message: %s\n", resp.str);
|
||||
|
||||
}
|
108
main_sketch/main_sketch.ino
Normal file
108
main_sketch/main_sketch.ino
Normal file
@ -0,0 +1,108 @@
|
||||
#include "lcd.h"
|
||||
#include "client.h"
|
||||
#include "uart.h"
|
||||
#include "stdbool.h"
|
||||
#include "stdio.h"
|
||||
|
||||
struct Client hdlc;
|
||||
bool flag_connection = false;
|
||||
|
||||
void setup() {
|
||||
Lsd_inciliation();
|
||||
UART_init();
|
||||
init_hdlc_client(&hdlc, 200);
|
||||
}
|
||||
|
||||
void loop() {
|
||||
// while(true){
|
||||
// if (!flag_connection){
|
||||
// }
|
||||
// }
|
||||
|
||||
hdlc_connect(&hdlc);
|
||||
uint8_t buffer[10];
|
||||
|
||||
hdlc_get_raw_frame(&hdlc, buffer, sizeof buffer);
|
||||
|
||||
UART_send(&buffer, sizeof buffer);
|
||||
|
||||
while(!flag_connection){
|
||||
uint8_t* buffer_recive[10];
|
||||
UART_receive(&buffer_recive, sizeof buffer_recive);
|
||||
|
||||
int err = hdlc_timeout_handler(&hdlc, 1);
|
||||
if (err == ERR_FRAME_TIME_OUT){
|
||||
hdlc_get_raw_frame(&hdlc, buffer, sizeof buffer);
|
||||
UART_send(buffer, sizeof buffer);
|
||||
continue;
|
||||
}
|
||||
|
||||
err = hdlc_decode_recived_raw_data(&hdlc, buffer_recive, sizeof buffer_recive, 0, 0);
|
||||
if (err < 0){
|
||||
if (err == ERR_INVALID_SEQ_NUMBER_FRAME){
|
||||
uint8_t* buffer_rej[10];
|
||||
hdlc_get_raw_frame(&hdlc, buffer_rej, sizeof buffer_rej);
|
||||
UART_send(&buffer_rej, sizeof buffer_rej);
|
||||
return err;
|
||||
}
|
||||
return err;
|
||||
}
|
||||
|
||||
if (hdlc.state == READY_STATE){
|
||||
flag_connection = true;
|
||||
}
|
||||
}
|
||||
|
||||
struct message mess;
|
||||
mess.numbers[0] = 1.23;
|
||||
mess.numbers[1] = 22.1;
|
||||
mess.numbers[2] = 100;
|
||||
mess.len_numbers = 3;
|
||||
mess.str = "word war in new world io ex";
|
||||
mess.len_str = sizeof mess.str;
|
||||
|
||||
uint8_t data[64];
|
||||
size_t len_data;
|
||||
protocol_encode(mess, data, &len_data);
|
||||
|
||||
hdlc_send_data(&hdlc, data, len_data);
|
||||
uint8_t buffer_data[72];
|
||||
hdlc_get_raw_frame(&hdlc, buffer_data, sizeof buffer_data);
|
||||
|
||||
UART_send(&buffer_data, sizeof buffer_data);
|
||||
|
||||
bool flag_recive = false;
|
||||
uint8_t data_recive[64];
|
||||
size_t len_data_recive;
|
||||
while (!flag_recive){
|
||||
uint8_t* buffer_recive_data[72];
|
||||
UART_receive(&buffer_recive_data, sizeof buffer_recive_data);
|
||||
|
||||
int err = hdlc_timeout_handler(&hdlc, 1);
|
||||
if (err == ERR_FRAME_TIME_OUT){
|
||||
hdlc_get_raw_frame(&hdlc, buffer_data, sizeof buffer_data);
|
||||
UART_send(&buffer_data, sizeof buffer_data);
|
||||
continue;
|
||||
}
|
||||
|
||||
err = hdlc_decode_recived_raw_data(&hdlc, buffer_recive_data, sizeof buffer_recive_data, data_recive, &len_data_recive);
|
||||
if (err < 0){
|
||||
if (err == ERR_INVALID_SEQ_NUMBER_FRAME){
|
||||
uint8_t* buffer_rej[10];
|
||||
hdlc_get_raw_frame(&hdlc, buffer_rej, sizeof buffer_rej);
|
||||
UART_send(&buffer_rej, sizeof buffer_rej);
|
||||
return err;
|
||||
}
|
||||
return err;
|
||||
}
|
||||
|
||||
if (hdlc.state == SEND){
|
||||
flag_recive = true;
|
||||
}
|
||||
}
|
||||
|
||||
struct message resp;
|
||||
protocol_decode(data_recive, len_data_recive, &resp);
|
||||
|
||||
printLcd(&resp);
|
||||
}
|
115
main_sketch/pcf8574.cpp
Normal file
115
main_sketch/pcf8574.cpp
Normal file
@ -0,0 +1,115 @@
|
||||
#include "MyLCD.h"
|
||||
uint8_t pcf8574_pinstatus[PCF8574_MAXDEVICES];
|
||||
|
||||
// инициализация pcf
|
||||
void pcf8574_init() {
|
||||
#if PCF8574_I2CINIT == 1
|
||||
// инитим i2c
|
||||
i2c_init();
|
||||
_delay_us(10);
|
||||
#endif
|
||||
uint8_t i = 0;
|
||||
for(i=0; i<PCF8574_MAXDEVICES; i++)
|
||||
pcf8574_pinstatus[i] = 0;
|
||||
|
||||
}
|
||||
|
||||
// получаем статус вывода
|
||||
int8_t pcf8574_getoutput(uint8_t deviceid) {
|
||||
int8_t data = -1;
|
||||
if((deviceid >= 0 && deviceid < PCF8574_MAXDEVICES)) {
|
||||
data = pcf8574_pinstatus[deviceid];
|
||||
}
|
||||
return data;
|
||||
}
|
||||
|
||||
// получаем статус пинов вывода
|
||||
int8_t pcf8574_getoutputpin(uint8_t deviceid, uint8_t pin) {
|
||||
int8_t data = -1;
|
||||
if((deviceid >= 0 && deviceid < PCF8574_MAXDEVICES) && (pin >= 0 && pin < PCF8574_MAXPINS)) {
|
||||
data = pcf8574_pinstatus[deviceid];
|
||||
data = (data >> pin) & 0b00000001;
|
||||
}
|
||||
return data;
|
||||
}
|
||||
|
||||
// настройка вывода
|
||||
int8_t pcf8574_setoutput(uint8_t deviceid, uint8_t data) {
|
||||
if((deviceid >= 0 && deviceid < PCF8574_MAXDEVICES)) {
|
||||
pcf8574_pinstatus[deviceid] = data;
|
||||
i2c_start(((PCF8574_ADDRBASE+deviceid)<<1) | I2C_WRITE);
|
||||
i2c_write(data);
|
||||
i2c_stop();
|
||||
return 0;
|
||||
}
|
||||
return -1;
|
||||
}
|
||||
|
||||
// установить выходные контакты, заменить фактический статус устройства из pinstart для i2c
|
||||
int8_t pcf8574_setoutputpins(uint8_t deviceid, uint8_t pinstart, uint8_t pinlength, int8_t data) {
|
||||
if((deviceid >= 0 && deviceid < PCF8574_MAXDEVICES) && (pinstart - pinlength + 1 >= 0 && pinstart - pinlength + 1 >= 0 && pinstart < PCF8574_MAXPINS && pinstart > 0 && pinlength > 0)) {
|
||||
uint8_t b = 0;
|
||||
b = pcf8574_pinstatus[deviceid];
|
||||
uint8_t mask = ((1 << pinlength) - 1) << (pinstart - pinlength + 1);
|
||||
data <<= (pinstart - pinlength + 1);
|
||||
data &= mask;
|
||||
b &= ~(mask);
|
||||
b |= data;
|
||||
pcf8574_pinstatus[deviceid] = b;
|
||||
//рестартим
|
||||
i2c_start(((PCF8574_ADDRBASE+deviceid)<<1) | I2C_WRITE);
|
||||
i2c_write(b);
|
||||
i2c_stop();
|
||||
return 0;
|
||||
}
|
||||
return -1;
|
||||
}
|
||||
|
||||
// настройка пинов вывода
|
||||
int8_t pcf8574_setoutputpin(uint8_t deviceid, uint8_t pin, uint8_t data) {
|
||||
if((deviceid >= 0 && deviceid < PCF8574_MAXDEVICES) && (pin >= 0 && pin < PCF8574_MAXPINS)) {
|
||||
uint8_t b = 0;
|
||||
b = pcf8574_pinstatus[deviceid];
|
||||
b = (data != 0) ? (b | (1 << pin)) : (b & ~(1 << pin));
|
||||
pcf8574_pinstatus[deviceid] = b;
|
||||
//рестартим
|
||||
i2c_start(((PCF8574_ADDRBASE+deviceid)<<1) | I2C_WRITE);
|
||||
i2c_write(b);
|
||||
i2c_stop();
|
||||
return 0;
|
||||
}
|
||||
return -1;
|
||||
}
|
||||
|
||||
// установка высокого уровня на выходных пинах
|
||||
int8_t pcf8574_setoutputpinhigh(uint8_t deviceid, uint8_t pin) {
|
||||
return pcf8574_setoutputpin(deviceid, pin, 1);
|
||||
}
|
||||
|
||||
// установка низкого уровня на выходных пинах
|
||||
int8_t pcf8574_setoutputpinlow(uint8_t deviceid, uint8_t pin) {
|
||||
return pcf8574_setoutputpin(deviceid, pin, 0);
|
||||
}
|
||||
|
||||
// получение входных данных
|
||||
int8_t pcf8574_getinput(uint8_t deviceid) {
|
||||
int8_t data = -1;
|
||||
if((deviceid >= 0 && deviceid < PCF8574_MAXDEVICES)) {
|
||||
i2c_start(((PCF8574_ADDRBASE+deviceid)<<1) | I2C_READ);
|
||||
data = ~i2c_readNak();
|
||||
i2c_stop();
|
||||
}
|
||||
return data;
|
||||
}
|
||||
|
||||
// получение входного контакта (высокий или низкий)
|
||||
int8_t pcf8574_getinputpin(uint8_t deviceid, uint8_t pin) {
|
||||
int8_t data = -1;
|
||||
if((deviceid >= 0 && deviceid < PCF8574_MAXDEVICES) && (pin >= 0 && pin < PCF8574_MAXPINS)) {
|
||||
data = pcf8574_getinput(deviceid);
|
||||
if(data != -1) {
|
||||
data = (data >> pin) & 0b00000001;
|
||||
}
|
||||
}
|
||||
return data;
|
||||
}
|
21
main_sketch/pcf8574.h
Normal file
21
main_sketch/pcf8574.h
Normal file
@ -0,0 +1,21 @@
|
||||
#ifndef PCF8574_H_
|
||||
#define PCF8574_H_
|
||||
|
||||
#define PCF8574_ADDRBASE (0x27) // <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD>-<2D><>
|
||||
|
||||
#define PCF8574_I2CINIT 1 // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> i2c
|
||||
|
||||
#define PCF8574_MAXDEVICES 1 // <20><><EFBFBD><EFBFBD> <20><><EFBFBD>-<2D><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
#define PCF8574_MAXPINS 8 // <20><><EFBFBD><EFBFBD> <20><><EFBFBD>-<2D><> <20><><EFBFBD><EFBFBD><EFBFBD>
|
||||
|
||||
void pcf8574_init();
|
||||
int8_t pcf8574_getoutput(uint8_t deviceid);
|
||||
int8_t pcf8574_getoutputpin(uint8_t deviceid, uint8_t pin);
|
||||
int8_t pcf8574_setoutput(uint8_t deviceid, uint8_t data);
|
||||
int8_t pcf8574_setoutputpins(uint8_t deviceid, uint8_t pinstart, uint8_t pinlength, int8_t data);
|
||||
int8_t pcf8574_setoutputpin(uint8_t deviceid, uint8_t pin, uint8_t data);
|
||||
int8_t pcf8574_setoutputpinhigh(uint8_t deviceid, uint8_t pin);
|
||||
int8_t pcf8574_setoutputpinlow(uint8_t deviceid, uint8_t pin);
|
||||
int8_t pcf8574_getinput(uint8_t deviceid);
|
||||
int8_t pcf8574_getinputpin(uint8_t deviceid, uint8_t pin);
|
||||
#endif
|
56
main_sketch/protocol.c
Normal file
56
main_sketch/protocol.c
Normal file
@ -0,0 +1,56 @@
|
||||
#include "protocol.h"
|
||||
|
||||
void protocol_decode(uint8_t encode_message[], size_t len_encode_message, struct message* decode_message){
|
||||
int count_number = 0;
|
||||
for(int i = 0; i < len_encode_message; i++){
|
||||
if (encode_message[i] == FLAG_NUMBER){
|
||||
union convert_float sample;
|
||||
for (int z = 0; z < sizeof sample.buf; z++){
|
||||
i++;
|
||||
sample.buf[z] = encode_message[i];
|
||||
}
|
||||
decode_message->numbers[count_number++] = sample.fVal;
|
||||
decode_message->len_numbers++;
|
||||
}
|
||||
|
||||
|
||||
if (encode_message[i] == FLAG_WORD){
|
||||
int count_word = 0;
|
||||
i++;
|
||||
union convert_char sample;
|
||||
for (int z = 0; z < encode_message[i]; z++){
|
||||
i++;
|
||||
sample.buf[z] = encode_message[i];
|
||||
}
|
||||
decode_message->str = sample.cVal;
|
||||
decode_message->len_str = count_word;
|
||||
}
|
||||
}
|
||||
decode_message->len_numbers = count_number;
|
||||
}
|
||||
|
||||
void protocol_encode(struct message message, uint8_t encode_message[], size_t* len_encode_message){
|
||||
size_t count = 0;
|
||||
if (message.len_numbers > 0){
|
||||
for (int i = 0; i < message.len_numbers; i++){
|
||||
encode_message[count++] = FLAG_NUMBER;
|
||||
union convert_float sample;
|
||||
sample.fVal = message.numbers[i];
|
||||
for (int z = 0; z < sizeof sample.buf; z++){
|
||||
encode_message[count++] = sample.buf[z];
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (message.len_str > 0){
|
||||
encode_message[count++] = FLAG_WORD;
|
||||
encode_message[count++] = message.len_str;
|
||||
union convert_char sample;
|
||||
sample.cVal = message.str;
|
||||
for (int i = 0; i < message.len_str; i++){
|
||||
encode_message[count++] = sample.buf[i];
|
||||
}
|
||||
}
|
||||
|
||||
*len_encode_message = count;
|
||||
}
|
32
main_sketch/protocol.h
Normal file
32
main_sketch/protocol.h
Normal file
@ -0,0 +1,32 @@
|
||||
#ifndef PROTOCOL_H
|
||||
#define PROTOCOL_H
|
||||
|
||||
#include <stdint.h>
|
||||
#include <string.h>
|
||||
#include <stdlib.h>
|
||||
#include "stdio.h"
|
||||
|
||||
#define FLAG_NUMBER 0
|
||||
#define FLAG_WORD 1
|
||||
|
||||
struct message{
|
||||
float numbers[3];
|
||||
size_t len_numbers;
|
||||
char* str;
|
||||
size_t len_str;
|
||||
};
|
||||
|
||||
union convert_float{
|
||||
float fVal;
|
||||
uint8_t buf[4];
|
||||
};
|
||||
|
||||
union convert_char{
|
||||
char* cVal;
|
||||
uint8_t buf[64];
|
||||
};
|
||||
|
||||
void protocol_decode(uint8_t encode_message[], size_t len_encode_message, struct message* decode_message);
|
||||
void protocol_encode(struct message message, uint8_t encode_message[], size_t* len_encode_message);
|
||||
|
||||
#endif //PROTOCOL_H
|
21
main_sketch/timer.c
Normal file
21
main_sketch/timer.c
Normal file
@ -0,0 +1,21 @@
|
||||
#include <avr/io.h>
|
||||
#include <avr/interrupt.h>
|
||||
|
||||
static volatile unsigned long timerMillis = 0;
|
||||
|
||||
void timerInit() {
|
||||
TCCR1B |= (1 << WGM12) | (1 << CS11) | (1 << CS10);
|
||||
OCR1A = 250;
|
||||
TIMSK1 |= (1 << OCIE1A);
|
||||
sei();
|
||||
}
|
||||
|
||||
unsigned long millis() {
|
||||
unsigned long ms;
|
||||
ms = timerMillis;
|
||||
return ms;
|
||||
}
|
||||
|
||||
ISR(TIMER1_COMPA_vect) {
|
||||
timerMillis++;
|
||||
}
|
7
main_sketch/timer.h
Normal file
7
main_sketch/timer.h
Normal file
@ -0,0 +1,7 @@
|
||||
#ifndef TIMER_H
|
||||
#define TIMER_H
|
||||
|
||||
void timerInit();
|
||||
unsigned long millis();
|
||||
|
||||
#endif // TIMER_H
|
117
main_sketch/twimaster.cpp
Normal file
117
main_sketch/twimaster.cpp
Normal file
@ -0,0 +1,117 @@
|
||||
#include "MyLCD.h"
|
||||
|
||||
// инициализация интерфейса i2c
|
||||
void i2c_init(void)
|
||||
{
|
||||
// предделитель тактовой частоты равен 1
|
||||
TWSR = 0;
|
||||
// рассчет скорости передачи данных
|
||||
TWBR = ((F_CPU/SCL_CLOCK)-16)/2;
|
||||
}
|
||||
|
||||
// передача условия СТАРТ на шину
|
||||
unsigned char i2c_start(unsigned char address)
|
||||
{
|
||||
uint8_t twst;
|
||||
|
||||
// отправка условия СТАРТ
|
||||
TWCR = (1<<TWINT) | (1<<TWSTA) | (1<<TWEN);
|
||||
// ожидание завершения передачи условия СТАРТ
|
||||
while(!(TWCR & (1<<TWINT)));
|
||||
// проверка значений регистра
|
||||
twst = TW_STATUS & 0xF8;
|
||||
if ( (twst != TW_START) && (twst != TW_REP_START)) return 1;
|
||||
// отправка адреса устрой-ва
|
||||
TWDR = address;
|
||||
TWCR = (1<<TWINT) | (1<<TWEN);
|
||||
// ожидание ответа от ведомого уст-ва
|
||||
while(!(TWCR & (1<<TWINT)));
|
||||
// проверка полученных значений
|
||||
twst = TW_STATUS & 0xF8;
|
||||
if ( (twst != TW_MT_SLA_ACK) && (twst != TW_MR_SLA_ACK) ) return 1;
|
||||
|
||||
return 0;
|
||||
|
||||
}
|
||||
|
||||
// ждем, если устрой-во занято, а потом передаем условие СТАРТ на шину
|
||||
void i2c_start_wait(unsigned char address)
|
||||
{
|
||||
uint8_t twst;
|
||||
|
||||
for(;;)
|
||||
{
|
||||
// отправка условия СТАРТ
|
||||
TWCR = (1<<TWINT) | (1<<TWSTA) | (1<<TWEN);
|
||||
// ожидание завершения передачи условия СТАРТ
|
||||
while(!(TWCR & (1<<TWINT)));
|
||||
// проверка значений регистра
|
||||
twst = TW_STATUS & 0xF8;
|
||||
if ( (twst != TW_START) && (twst != TW_REP_START)) continue;
|
||||
// отправка адреса устрой-ва
|
||||
TWDR = address;
|
||||
TWCR = (1<<TWINT) | (1<<TWEN);
|
||||
// ожидание ответа от ведомого уст-ва
|
||||
while(!(TWCR & (1<<TWINT)));
|
||||
// проверка занято ли ведомое уст-во
|
||||
twst = TW_STATUS & 0xF8;
|
||||
if ( (twst == TW_MT_SLA_NACK )||(twst ==TW_MR_DATA_NACK) )
|
||||
{
|
||||
// устройство занято, отправьте условие остановки для прекращения операции записи
|
||||
TWCR = (1<<TWINT) | (1<<TWEN) | (1<<TWSTO);
|
||||
// ждем освобождения шины
|
||||
while(TWCR & (1<<TWSTO));
|
||||
continue;
|
||||
}
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
// тупа повторяем условие СТАРТ
|
||||
unsigned char i2c_rep_start(unsigned char address)
|
||||
{
|
||||
return i2c_start(address);
|
||||
}
|
||||
|
||||
// передача условия СТОП на шину
|
||||
void i2c_stop(void)
|
||||
{
|
||||
// отправка условия СТОП
|
||||
TWCR = (1<<TWINT) | (1<<TWEN) | (1<<TWSTO);
|
||||
// ждем выполнения условия остановки
|
||||
while(TWCR & (1<<TWSTO));
|
||||
}
|
||||
|
||||
// отправка данных, если функция вернет 0, то все успешно, иначе нет
|
||||
unsigned char i2c_write( unsigned char data )
|
||||
{
|
||||
uint8_t twst;
|
||||
|
||||
// отправляем данные на уст-во
|
||||
TWDR = data;
|
||||
TWCR = (1<<TWINT) | (1<<TWEN);
|
||||
// ждем завершения передачи
|
||||
while(!(TWCR & (1<<TWINT)));
|
||||
// записываем ответ от ведомого уст-ва
|
||||
twst = TW_STATUS & 0xF8;
|
||||
if( twst != TW_MT_DATA_ACK) return 1;
|
||||
return 0;
|
||||
}
|
||||
|
||||
// читаем данные и продолжаем вещание
|
||||
unsigned char i2c_readAck(void)
|
||||
{
|
||||
TWCR = (1<<TWINT) | (1<<TWEN) | (1<<TWEA);
|
||||
while(!(TWCR & (1<<TWINT)));
|
||||
|
||||
return TWDR;
|
||||
}
|
||||
|
||||
// читаем данные и после их получения передаем услови СТОП
|
||||
unsigned char i2c_readNak(void)
|
||||
{
|
||||
TWCR = (1<<TWINT) | (1<<TWEN);
|
||||
while(!(TWCR & (1<<TWINT)));
|
||||
|
||||
return TWDR;
|
||||
}
|
Loading…
Reference in New Issue
Block a user