Atmel Studio project files

Обновлен README.md
Updated .gitignore
2023-06-05 14:27:07 +03:00 · 2023-06-03 19:42:25 +03:00 · 2023-06-03 19:14:44 +03:00 · 2023-06-03 19:13:55 +03:00 · 2023-06-03 19:12:52 +03:00 · 2023-06-03 19:11:52 +03:00
18 changed files with 1011 additions and 4 deletions
--- a/.gitignore
+++ b/.gitignore
@ -0,0 +1,7 @@
+.idea
+
+cmake-buid-debug
+
+# Executables
+*.exe
+Debug
--- a/GccApplication3.atsln
+++ b/GccApplication3.atsln
@ -0,0 +1,20 @@
+
+Microsoft Visual Studio Solution File, Format Version 11.00
+# Atmel Studio Solution File, Format Version 11.00
+Project("{54F91283-7BC4-4236-8FF9-10F437C3AD48}") = "GccApplication3", "GccApplication3.cproj", "{94BBCABE-3E5B-448F-A40B-2B08DEF16444}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|AVR = Debug|AVR
+		Release|AVR = Release|AVR
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{94BBCABE-3E5B-448F-A40B-2B08DEF16444}.Debug|AVR.ActiveCfg = Debug|AVR
+		{94BBCABE-3E5B-448F-A40B-2B08DEF16444}.Debug|AVR.Build.0 = Debug|AVR
+		{94BBCABE-3E5B-448F-A40B-2B08DEF16444}.Release|AVR.ActiveCfg = Release|AVR
+		{94BBCABE-3E5B-448F-A40B-2B08DEF16444}.Release|AVR.Build.0 = Release|AVR
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+EndGlobal
--- a/GccApplication3.atsuo
+++ b/GccApplication3.atsuo
--- a/GccApplication3.cproj
+++ b/GccApplication3.cproj
@ -0,0 +1,140 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup>
+    <SchemaVersion>2.0</SchemaVersion>
+    <ProjectVersion>6.2</ProjectVersion>
+    <ToolchainName>com.Atmel.AVRGCC8.C</ToolchainName>
+    <ProjectGuid>{94bbcabe-3e5b-448f-a40b-2b08def16444}</ProjectGuid>
+    <avrdevice>ATmega328P</avrdevice>
+    <avrdeviceseries>none</avrdeviceseries>
+    <OutputType>Executable</OutputType>
+    <Language>C</Language>
+    <OutputFileName>$(MSBuildProjectName)</OutputFileName>
+    <OutputFileExtension>.elf</OutputFileExtension>
+    <OutputDirectory>$(MSBuildProjectDirectory)\$(Configuration)</OutputDirectory>
+    <AssemblyName>GccApplication3</AssemblyName>
+    <Name>GccApplication3</Name>
+    <RootNamespace>GccApplication3</RootNamespace>
+    <ToolchainFlavour>Native</ToolchainFlavour>
+    <KeepTimersRunning>true</KeepTimersRunning>
+    <OverrideVtor>false</OverrideVtor>
+    <CacheFlash>true</CacheFlash>
+    <ProgFlashFromRam>true</ProgFlashFromRam>
+    <RamSnippetAddress />
+    <UncachedRange />
+    <preserveEEPROM>true</preserveEEPROM>
+    <OverrideVtorValue />
+    <BootSegment>2</BootSegment>
+    <eraseonlaunchrule>1</eraseonlaunchrule>
+    <AsfFrameworkConfig>
+      <framework-data xmlns="">
+        <options />
+        <configurations />
+        <files />
+        <documentation help="" />
+        <offline-documentation help="" />
+        <dependencies>
+          <content-extension eid="atmel.asf" uuidref="Atmel.ASF" version="3.21.0" />
+        </dependencies>
+      </framework-data>
+    </AsfFrameworkConfig>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)' == 'Release' ">
+    <ToolchainSettings>
+      <AvrGcc>
+        <avrgcc.common.outputfiles.hex>True</avrgcc.common.outputfiles.hex>
+        <avrgcc.common.outputfiles.lss>True</avrgcc.common.outputfiles.lss>
+        <avrgcc.common.outputfiles.eep>True</avrgcc.common.outputfiles.eep>
+        <avrgcc.common.outputfiles.srec>True</avrgcc.common.outputfiles.srec>
+        <avrgcc.common.outputfiles.usersignatures>False</avrgcc.common.outputfiles.usersignatures>
+        <avrgcc.compiler.general.ChangeDefaultCharTypeUnsigned>True</avrgcc.compiler.general.ChangeDefaultCharTypeUnsigned>
+        <avrgcc.compiler.general.ChangeDefaultBitFieldUnsigned>True</avrgcc.compiler.general.ChangeDefaultBitFieldUnsigned>
+        <avrgcc.compiler.symbols.DefSymbols>
+          <ListValues>
+            <Value>NDEBUG</Value>
+          </ListValues>
+        </avrgcc.compiler.symbols.DefSymbols>
+        <avrgcc.compiler.optimization.level>Optimize for size (-Os)</avrgcc.compiler.optimization.level>
+        <avrgcc.compiler.optimization.PackStructureMembers>True</avrgcc.compiler.optimization.PackStructureMembers>
+        <avrgcc.compiler.optimization.AllocateBytesNeededForEnum>True</avrgcc.compiler.optimization.AllocateBytesNeededForEnum>
+        <avrgcc.compiler.warnings.AllWarnings>True</avrgcc.compiler.warnings.AllWarnings>
+        <avrgcc.linker.libraries.Libraries>
+          <ListValues>
+            <Value>libm</Value>
+          </ListValues>
+        </avrgcc.linker.libraries.Libraries>
+      </AvrGcc>
+    </ToolchainSettings>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)' == 'Debug' ">
+    <ToolchainSettings>
+      <AvrGcc>
+        <avrgcc.common.outputfiles.hex>True</avrgcc.common.outputfiles.hex>
+        <avrgcc.common.outputfiles.lss>True</avrgcc.common.outputfiles.lss>
+        <avrgcc.common.outputfiles.eep>True</avrgcc.common.outputfiles.eep>
+        <avrgcc.common.outputfiles.srec>True</avrgcc.common.outputfiles.srec>
+        <avrgcc.common.outputfiles.usersignatures>False</avrgcc.common.outputfiles.usersignatures>
+        <avrgcc.compiler.general.ChangeDefaultCharTypeUnsigned>True</avrgcc.compiler.general.ChangeDefaultCharTypeUnsigned>
+        <avrgcc.compiler.general.ChangeDefaultBitFieldUnsigned>True</avrgcc.compiler.general.ChangeDefaultBitFieldUnsigned>
+        <avrgcc.compiler.symbols.DefSymbols>
+          <ListValues>
+            <Value>DEBUG</Value>
+          </ListValues>
+        </avrgcc.compiler.symbols.DefSymbols>
+        <avrgcc.compiler.optimization.level>Optimize (-O1)</avrgcc.compiler.optimization.level>
+        <avrgcc.compiler.optimization.PackStructureMembers>True</avrgcc.compiler.optimization.PackStructureMembers>
+        <avrgcc.compiler.optimization.AllocateBytesNeededForEnum>True</avrgcc.compiler.optimization.AllocateBytesNeededForEnum>
+        <avrgcc.compiler.optimization.DebugLevel>Default (-g2)</avrgcc.compiler.optimization.DebugLevel>
+        <avrgcc.compiler.warnings.AllWarnings>True</avrgcc.compiler.warnings.AllWarnings>
+        <avrgcc.linker.libraries.Libraries>
+          <ListValues>
+            <Value>libm</Value>
+          </ListValues>
+        </avrgcc.linker.libraries.Libraries>
+        <avrgcc.assembler.debugging.DebugLevel>Default (-Wa,-g)</avrgcc.assembler.debugging.DebugLevel>
+      </AvrGcc>
+    </ToolchainSettings>
+  </PropertyGroup>
+  <ItemGroup>
+    <Compile Include="calculator.c">
+      <SubType>compile</SubType>
+    </Compile>
+    <Compile Include="calculator.h">
+      <SubType>compile</SubType>
+    </Compile>
+    <Compile Include="func.c">
+      <SubType>compile</SubType>
+    </Compile>
+    <Compile Include="func.h">
+      <SubType>compile</SubType>
+    </Compile>
+    <Compile Include="keyboard.c">
+      <SubType>compile</SubType>
+    </Compile>
+    <Compile Include="keyboard.h">
+      <SubType>compile</SubType>
+    </Compile>
+    <Compile Include="main.c">
+      <SubType>compile</SubType>
+    </Compile>
+    <Compile Include="spi_master.c">
+      <SubType>compile</SubType>
+    </Compile>
+    <Compile Include="spi_master.h">
+      <SubType>compile</SubType>
+    </Compile>
+    <Compile Include="timer.c">
+      <SubType>compile</SubType>
+    </Compile>
+    <Compile Include="timer.h">
+      <SubType>compile</SubType>
+    </Compile>
+    <Compile Include="uart.c">
+      <SubType>compile</SubType>
+    </Compile>
+    <Compile Include="uart.h">
+      <SubType>compile</SubType>
+    </Compile>
+  </ItemGroup>
+  <Import Project="$(AVRSTUDIO_EXE_PATH)\\Vs\\Compiler.targets" />
+</Project>
--- a/README.md
+++ b/README.md
@ -2,8 +2,14 @@
 **Терминал**.
 Устройство представляет из себя микроконтроллер с клавиатурой (матрица 4 х 4) и подключенное устройство из задания №5. Простейший калькулятор.
 # Список участников
-**Батухтин Михаил\n**
-**Бочкина Кристина\n**
-**Уткин Никита\n**
-**Хромова Полина\n**
+* Батухтин Михаил
+* Бочкина Кристина
+* Уткин Никита
+* Хромова Полина

+## Части задачи
+- GPIO + GPIO в контексте Atmega328. Pull up, Pull down (Михаил Батухтин/Уткин Никита)
+- Физическая реализация клавиатуры (Кристина Бочкина/Полина Хромова)
+- SPI интерфейс + SPI у Atmega328 (Кристина Бочкина)
+- Программная реализация клавиатуры (Полина Хромова)
+- Архитектура ПО (Михаил Батухтин)
--- a/calculator.c
+++ b/calculator.c
@ -0,0 +1,144 @@
+#include "calculator.h"
+
+void handleCalc(struct calculator *calc, int input) {
+	switch (calc->state) {
+		case NUMBER_FIRST:
+		switch (input) {
+			case 0:
+				calc->num1 = (calc->num1 * 10) + 7;
+				break;
+			case 1:
+			calc->num1 = (calc->num1 * 10) + 8;
+			break;
+			case 2:
+			calc->num1 = (calc->num1 * 10) + 9;
+			break;
+			case 3:
+			calc->operation = DIV;
+			calc->state = NUMBER_SECOND;
+			break;
+			case 4:
+			calc->num1 = (calc->num1 * 10) + 4;
+			break;
+			case 5:
+			calc->num1 = (calc->num1 * 10) + 5;
+			break;
+			case 6:
+			calc->num1 = (calc->num1 * 10) + 6;
+			break;
+			case 7:
+			calc->operation = MUL;
+			calc->state = NUMBER_SECOND;
+			break;
+			case 8:
+			calc->num1 = (calc->num1 * 10) + 1;
+			break;
+			case 9:
+			calc->num1 = (calc->num1 * 10) + 2;
+			break;
+			case 10:
+			calc->num1 = (calc->num1 * 10) + 3;
+			break;
+			case 11:
+			calc->operation = SUB;
+			calc->state = NUMBER_SECOND;
+			break;
+			case 12:
+			calc->num1 = (calc->num1 * 10);
+			break;
+			case 13:
+			clearCalc(calc);
+			break;
+			case 14:
+			break;
+			case 15:
+			calc->operation = ADD;
+			calc->state = NUMBER_SECOND;
+			break;
+		}
+		break;
+		case NUMBER_SECOND:
+		switch (input) {
+			case 0:
+			calc->num2 = (calc->num2 * 10) + 7;
+			break;
+			case 1:
+			calc->num2 = (calc->num2 * 10) + 8;
+			break;
+			case 2:
+			calc->num2 = (calc->num2 * 10) + 9;
+			break;
+			case 3:
+			break;
+			case 4:
+			calc->num2 = (calc->num2 * 10) + 4;
+			break;
+			case 5:
+			calc->num2 = (calc->num2 * 10) + 5;
+			break;
+			case 6:
+			calc->num2 = (calc->num2 * 10) + 6;
+			break;
+			case 7:
+			break;
+			case 8:
+			calc->num2 = (calc->num2 * 10) + 1;
+			break;
+			case 9:
+			calc->num2 = (calc->num2 * 10) + 2;
+			break;
+			case 10:
+			calc->num2 = (calc->num2 * 10) + 3;
+			break;
+			case 11:
+			break;
+			case 12:
+			calc->num2 = (calc->num2 * 10);
+			break;
+			case 13:
+			clearCalc(calc);
+			break;
+			case 14:
+			switch (calc->operation) {
+				case ADD:
+				calc->result = calc->num1 + calc->num2;
+				calc->state = RESULT;
+				break;
+				case SUB:
+				calc->result = calc->num1 - calc->num2;
+				calc->state = RESULT;
+				break;
+				case MUL:
+				calc->result = calc->num1 * calc->num2;
+				calc->state = RESULT;
+				break;
+				case DIV:
+				calc->result = calc->num1 / calc->num2;
+				calc->state = RESULT;
+				break;
+			}
+			break;
+			case 15:
+			break;
+		}
+		break;
+		case RESULT:
+		switch (input) {
+			case 14:
+			clearCalc(calc);
+			break;
+			case 13:
+			clearCalc(calc);
+			break;
+		}
+		break;
+	}
+}
+
+void clearCalc(struct calculator *calc) {
+	calc->state = NUMBER_FIRST;
+	calc->operation = NO_OP;
+	calc->num1 = 0;
+	calc->num2 = 0;
+	calc->result = 0;
+}
--- a/calculator.h
+++ b/calculator.h
@ -0,0 +1,41 @@
+/*
+ * calculator.h
+ *
+ * Created: 29.05.2023 12:01:39
+ *  Author: mrnek
+ */ 
+
+
+#ifndef CALCULATOR_H_
+#define CALCULATOR_H_
+
+enum calculator_state {
+	NUMBER_FIRST,
+	NUMBER_SECOND,
+	RESULT
+};
+enum calculator_op {
+	NO_OP,
+	ADD,
+	SUB,
+	DIV,
+	MUL
+};
+struct calculator {
+	// 1 ÷èñëî
+	long num1;
+	// 2 ÷èñëî
+	long num2;
+	// 3 îïåðàöèÿ
+	enum calculator_op operation;
+	// 4 ðåçóëüòàò
+	long result;
+	// 5 ñîñòîÿíèå àòîìàòà
+	enum calculator_state state;
+};
+
+void clearCalc(struct calculator *calc);
+
+void handleCalc(struct calculator *calc, int input);
+
+#endif /* CALCULATOR_H_ */
--- a/func.c
+++ b/func.c
@ -0,0 +1,72 @@
+/*
+* delay.c
+*
+* Created: 03.06.2023 12:34:55
+*  Author: Admin
+*/
+#include "func.h"
+
+void delay() {
+	for(volatile long i = 0; i < 1000; i++){};
+}
+
+int count_digits(long number) {
+	int count = 0;
+
+	if (number == 0) {
+		return 1;
+	}
+
+	if (number < 0) {
+		number = -number;
+	}
+
+	while (number > 0) {
+		number /= 10;
+		count++;
+	}
+
+	return count;
+}
+
+void split_digits(long number, int* digits, int size) {
+	int digit;
+	int index = 0;
+
+	if (number == 0) {
+		digits[0] = 0;
+		return;
+	}
+
+	if (number < 0) {
+		number = -number;
+	}
+
+	while (number > 0 && index < size) {
+		digit = number % 10;
+		digits[index] = digit;
+		number /= 10;
+		index++;
+	}
+}
+
+static char map(int digit) {
+	if (digit >= 0 && digit <= 9)
+	return digit + 0x09;
+	else
+	return 0x01;
+}
+
+void map_digits(char* arr, int *digits, int size) {
+	int idx = 0;
+	for (int i = size - 1; i >= 0; i--) {
+		arr[idx] = map(digits[i]);
+		idx++;
+	}
+}
+
+void prepare_data(char *arr, int number, int size) {
+	int digits[size];
+	split_digits(number, digits, size);
+	map_digits(arr, digits, size);
+}
--- a/func.h
+++ b/func.h
@ -0,0 +1,13 @@
+/*
+* delay.h
+*
+* Created: 03.06.2023 12:35:06
+*  Author: Admin
+*/
+
+void delay();
+
+void split_digits(long number, int* digits, int size);
+int count_digits(long number);
+void map_digits(char* arr, int *digits, int size);
+void prepare_data(char *arr, int number, int size);
--- a/keyboard.c
+++ b/keyboard.c
@ -0,0 +1,69 @@
+/*
+* core.c
+*
+* Created: 13.04.2023 14:28:40
+*  Author: mrnek
+*/
+#include <avr/io.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include "keyboard.h"
+#include "timer.h"
+#include "func.h"
+
+#define MASK_PIND 0b11110000
+
+static void set_key_event(struct key *button);
+
+void get_physical_keys(struct key *keys) {
+	uint8_t row;
+	for (int i = 0; i < KEYS_AMOUNT / 4; i++) {
+		PORTC &= ~(1 << i);
+		delay();
+		row = PIND & MASK_PIND;
+		if (row & (1 << 4)) keys[i * 4].physical = false; else keys[i * 4].physical = true;
+		if (row & (1 << 5)) keys[i * 4 + 1].physical = false; else keys[i * 4 + 1].physical = true;
+		if (row & (1 << 6)) keys[i * 4 + 2].physical = false; else keys[i * 4 + 2].physical = true;
+		if (row & (1 << 7)) keys[i * 4 + 3].physical = false; else keys[i * 4 + 3].physical = true;
+		PORTC |= (1 << i);
+	}
+}
+
+void get_logical_keys(struct key *undc_keys) {
+	unsigned long timestamp = get_millis();
+	for(int i = 0; i < KEYS_AMOUNT; i++) {
+		if (undc_keys[i].physical != undc_keys[i].logical) {
+			if (timestamp - undc_keys[i].time >= DEBOUNCE_MS_THRESHOLD) {
+				undc_keys[i].logical = undc_keys[i].physical;
+				set_key_event(&undc_keys[i]);
+			}
+			} else { 
+				undc_keys[i].time = timestamp;
+				
+			}
+		}
+}
+
+void fill_buttons_names(struct key *buttons) {
+	for (int i = 0; i < KEYS_AMOUNT; i++) {
+		buttons[i].button = i;
+	}
+}
+
+/************************************************************************/
+/*                                                                      */
+/************************************************************************/
+static void set_key_event(struct key *button) {
+	if (button->logical == true) {
+		button->on_down = true;
+	} else {
+		button->on_up = true;	
+	}
+}
+
+void get_event(struct key *button, bool *up, bool *down) {
+	*up = button->on_up;
+	*down = button->on_down;
+	button->on_up = false;
+	button->on_down = false;
+}
--- a/keyboard.h
+++ b/keyboard.h
@ -0,0 +1,27 @@
+#include <stdbool.h>
+/*
+ * core.h
+ *
+ * Created: 13.04.2023 14:23:22
+ *  Author: mrnek
+ */ 
+#define KEYS_AMOUNT 16
+#define DEBOUNCE_MS_THRESHOLD 20
+
+struct key {
+	char button;
+	unsigned long time;
+	bool physical;
+	bool logical;
+	bool on_down;
+	bool on_up;
+};
+
+
+void get_physical_keys(struct key *keys);
+
+void get_logical_keys(struct key *undc_keys);
+
+void fill_buttons_names(struct key *buttons);
+
+void get_event(struct key *button, bool *up, bool *down);
--- a/main.c
+++ b/main.c
@ -0,0 +1,85 @@
+#include <avr/interrupt.h>
+#include <avr/io.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include "timer.h"
+#include "keyboard.h"
+#include "uart.h"
+#include "spi_master.h"
+
+void setup_registers() {
+	MCUCR &= ~(1 << 4); // PUD
+	MCUCR &= ~(1 << 5);
+	MCUCR &= ~(1 << 6);
+	MCUCR &= ~(1 << 7);
+	DDRD &= 0x0F;
+	PORTD |= 0xF0;
+
+	DDRC = 0b111111;
+	PORTC = 0b001111;
+}
+
+void setup() {
+	USART_Init(MYUBRR);
+	SPI_MasterInit();
+	setup_timer();
+	setup_registers();
+}
+
+int up_amoumt = 0;
+int down_amount = 0;
+int diff = 0;
+int diff_prev = 0;
+
+int main(void) {
+	setup();
+	puts("Hello\r\n");
+	struct key keys[KEYS_AMOUNT];
+	struct calculator calc;
+	clearCalc(&calc);
+	fill_buttons_names(keys);
+	while(1) {
+		get_physical_keys(keys);
+		get_logical_keys(keys);
+		
+		for (int i = 0; i < KEYS_AMOUNT; i++) {
+			bool up, down;
+			get_event(&keys[i], &up, &down);
+			if (down)
+			{
+				//printf("button %d\r\n", keys[i].button);
+				handleCalc(&calc, keys[i].button);
+				output_on_display(&calc);
+				//printf("-----\r\n");
+				//printf("%ld\r\n", calc.num1);
+				//printf("%ld\r\n", calc.num2);
+				//printf("%ld\r\n", calc.result);
+				//printf("%d\r\n", calc.operation);
+				//printf("%d\r\n", calc.state);
+				
+			}
+		}
+	}
+}
+
+int puts(const char * __str){
+	int len = strlen(__str);
+	for(size_t i = 0; i < len; i++){
+		while (!(UCSR0A & (1<<UDREn)));
+		UDR0 = __str[i];
+	}
+}
+
+int printf( const char * format, ... )
+{
+	char buffer[16];
+	va_list args;
+	va_start (args, format);
+	size_t s = vsprintf (buffer,format, args);
+	for(size_t i = 0; i < s; i++){
+		while (!(UCSR0A & (1<<UDREn)));
+		UDR0 = buffer[i];
+	}
+	va_end (args);
+	return s;
+}
--- a/spi_master.c
+++ b/spi_master.c
@ -0,0 +1,285 @@
+#include <avr/interrupt.h>
+#include <avr/io.h>
+#include <string.h>
+#include <util/delay.h>
+#include "spi_master.h"
+#include "func.h"
+
+#define MAX_DIGITS 11
+#define F_CPU 16000000UL
+#define DELAY_MS 3000
+
+void output_on_display(struct calculator *calc)
+{
+	char buffer[8];
+	switch (calc->state)
+	{
+		case NUMBER_FIRST:
+		{
+			size_t b_size = display_all_clear(0, buffer);
+			SPI_MasterTransmit(buffer, b_size);
+			
+			b_size = display_set_page(0x01, buffer);
+			SPI_MasterTransmit(buffer, b_size);
+			
+			int size = count_digits(calc->num1);
+			char mapped_digits[size];
+			prepare_data(mapped_digits, calc->num1, size);
+			b_size = display_add_simbol(mapped_digits, size, buffer);
+			SPI_MasterTransmit(buffer, b_size);
+			
+			break;
+		}
+		case NUMBER_SECOND:
+		{
+			size_t b_size = display_all_clear(0, buffer);
+			SPI_MasterTransmit(buffer, b_size);
+			
+			b_size = display_set_page(0x01, buffer);
+			SPI_MasterTransmit(buffer, b_size);
+			
+			int size = count_digits(calc->num1);
+			char mapped_digits[size];
+			prepare_data(mapped_digits, calc->num1, size);
+			b_size = display_add_simbol(mapped_digits, size, buffer);
+			SPI_MasterTransmit(buffer, b_size);
+			
+			char symbol[] = {0x01};
+			// îïåðàöèÿ
+			switch (calc->operation)
+			{
+				case NO_OP:
+				break;
+				case ADD:
+				symbol[0] = 0x04;
+				break;
+				case SUB:
+				symbol[0] = 0x06;
+				break;
+				case DIV:
+				symbol[0] = 0x08;
+				break;
+				case MUL:
+				symbol[0] = 0x03;
+				break;
+			}
+			
+			b_size = display_add_simbol(symbol, 1, buffer);
+			SPI_MasterTransmit(buffer, b_size);
+			
+			b_size = display_set_page(0x02, buffer);
+			SPI_MasterTransmit(buffer, b_size);
+			
+			size = count_digits(calc->num2);
+			char mapped_digits1[size];
+			prepare_data(mapped_digits1, calc->num2, size);
+			b_size = display_add_simbol(mapped_digits1, size, buffer);
+			SPI_MasterTransmit(buffer, b_size);
+			break;
+		}
+		case RESULT:
+		{
+			size_t b_size = display_all_clear(0, buffer);
+			SPI_MasterTransmit(buffer, b_size);
+			
+			b_size = display_set_page(0x01, buffer);
+			SPI_MasterTransmit(buffer, b_size);
+			
+			int size = count_digits(calc->num1);
+			char mapped_digits[size];
+			prepare_data(mapped_digits, calc->num1, size);
+			b_size = display_add_simbol(mapped_digits, size, buffer);
+			SPI_MasterTransmit(buffer, b_size);
+			
+			char symbol[] = {0x01};
+			// îïåðàöèÿ
+			switch (calc->operation)
+			{
+				case NO_OP:
+				break;
+				case ADD:
+				symbol[0] = 0x04;
+				break;
+				case SUB:
+				symbol[0] = 0x06;
+				break;
+				case DIV:
+				symbol[0] = 0x08;
+				break;
+				case MUL:
+				symbol[0] = 0x03;
+				break;
+			}
+			
+			b_size = display_add_simbol(symbol, 1, buffer);
+			SPI_MasterTransmit(buffer, b_size);
+			
+			b_size = display_set_page(0x02, buffer);
+			SPI_MasterTransmit(buffer, b_size);
+			
+			size = count_digits(calc->num2);
+			char mapped_digits1[size];
+			prepare_data(mapped_digits1, calc->num2, size);
+			b_size = display_add_simbol(mapped_digits1, size, buffer);
+			SPI_MasterTransmit(buffer, b_size);
+
+			// ëèíèÿ
+			
+			
+			// ðåçóëüòàò
+			b_size = display_set_page(0x03, buffer);
+			SPI_MasterTransmit(buffer, b_size);
+			
+			symbol[0] = 0x15;
+			b_size = display_add_simbol(symbol, 1, buffer);
+			SPI_MasterTransmit(buffer, b_size);
+			
+			size = count_digits(calc->result);
+			char mapped_digits2[size];
+			prepare_data(mapped_digits2, calc->result, size);
+			b_size = display_add_simbol(mapped_digits2, size, buffer);
+			SPI_MasterTransmit(buffer, b_size);
+			
+			break;
+		}
+		default:
+		display_all_clear(0, buffer);
+	}
+}
+
+void SPI_MasterInit(void)
+{
+	/* Íàñòðîéêà MOSI è SCK êàê âûõîä,
+	âñå îñòàëüíûå ñèãíàëû êàê âõîä: */
+	SPI_DDRX = (1 << SPI_MOSI) | (1 << SPI_SCK) | (1 << SPI_SS) | (0 << SPI_MISO);
+
+	/* Ðàçðåøèòü ðàáîòó SPI, ðåæèì Master,
+	óñòàíîâèòü ñêîðîñòü òàêòîâ fck/16: */
+	SPCR = (1 << SPE) | (1 << MSTR) | (0 << CPOL) | (0 << CPHA) | (1 << SPR1);
+
+	SPI_PORTX |= (1 << SPI_SS);
+}
+
+void SPI_MasterTransmit(char *buffer, size_t length)
+{
+	SPI_PORTX &= ~(1 << SPI_SS);
+	for (int i = 0; i < length; i++)
+	{
+		SPDR = buffer[i];
+		while (!(SPSR & (1 << SPIF)))
+		{
+			// îæèäàíèå çàâåðøåíèÿ ïåðåäà÷è
+		}
+	}
+	SPI_PORTX |= (1 << SPI_SS);
+	_delay_ms(DELAY_MS);
+}
+
+char crc8(char *data, int len) {
+	char crc = 0x00;
+	while (len--) {
+		crc ^= *data++;
+		for (int i = 0; i < 8; i++) {
+			if (crc & 0x80) {
+				crc = (crc << 1) ^ 0x07;
+				} else {
+				crc <<= 1;
+			}
+		}
+	}
+	return crc;
+}
+
+//î÷èùåíèå ýêðàía
+size_t display_all_clear(char color, char *buffer)
+{
+	buffer[0] = 0x01;
+	buffer[1] = color;
+	buffer[2] = crc8(buffer, 2);
+	return 3;
+}
+
+//âûáîð òî÷êè
+size_t display_set_page(char point, char *buffer)
+{
+	buffer[0] = 0x02;
+	buffer[1] = point;
+	buffer[2] = crc8(buffer, 2);
+	return 3;
+}
+
+//äîáàâëåíèå íîâîãî ñèìâîëà è åãî ïàðàìåòðîâ
+size_t display_add_simbol(char *str, size_t str_len, char *buffer)
+{
+	size_t idx = 0;
+	buffer[idx] = 0x03;
+	idx++;
+	for (int i = 0; i < str_len; i++)
+	{
+		buffer[idx] = str[i];
+		idx++;
+	}
+	buffer[idx] = crc8(buffer, idx);
+	idx++;
+	return idx;
+}
+
+//óäàëåíèå ñèìâîëà è åãî ïàðàìåòðîâ
+size_t display_del_simbol(char number, char *buffer)
+{
+	buffer[0] = 0x04;
+	buffer[1] = number;
+	buffer[2] = crc8(buffer, 2);
+	return 3;
+}
+
+//çàêðàøèâàíèå ïèêñåëÿ
+size_t display_draw_pixel(char x, char y, char color, uint8_t *buffer)
+{
+	buffer[0] = 0x05;
+	buffer[1] = x;
+	buffer[2] = y;
+	buffer[3] = color;
+	buffer[4] = crc8(buffer, 4);
+	return 5;
+}
+
+//ðèñóåò ëèíèþ
+size_t display_draw_line(char x1, char y1, char x2, char y2, char color, char *buffer)
+{
+	buffer[0] = 0x06;
+	buffer[1] = x1;
+	buffer[2] = y1;
+	buffer[3] = x2;
+	buffer[4] = y2;
+	buffer[5] = color;
+	buffer[6] = crc8(buffer, 6);
+	return 7;
+}
+
+//ðèñóåò êðóã
+size_t display_draw_circle(char x, char y, char r, char color, uint8_t *buffer)
+{
+	buffer[0] = 0x07;
+	buffer[1] = x;
+	buffer[2] = y;
+	buffer[3] = r;
+	buffer[4] = color;
+	buffer[5] = crc8(buffer, 5);
+	return 6;
+}
+
+//ðèñóåò ïðÿìîóãîëüíèê
+size_t display_draw_rectangle(char x, char y, char height, char width, char color, uint8_t *buffer)
+{
+	buffer[0] = 0x08;
+	buffer[1] = x;
+	buffer[2] = y;
+	buffer[3] = height;
+	buffer[4] = width;
+	buffer[5] = color;
+	buffer[6] = crc8(buffer, 6);
+	return 7;
+}
+
+
--- a/spi_master.h
+++ b/spi_master.h
@ -0,0 +1,20 @@
+#define SPI_PORTX PORTB
+#define SPI_DDRX DDRB
+#define SPI_MISO 4
+#define SPI_MOSI 3
+#define SPI_SCK 5
+#define SPI_SS 2
+
+#include "calculator.h"
+
+void output_on_display(struct calculator *calc);
+void SPI_MasterInit(void);
+void SPI_MasterTransmit(char *buffer, size_t length);
+void transmit_first_num(struct calculator *calc, char *buffer);
+void transmit_second_num(struct calculator *calc, char *buffer);
+void transmit_result(struct calculator *calc, char *buffer, char *symblo);
+size_t display_all_clear(char color, char *buffer);
+size_t display_add_simbol(char *str, size_t str_len, char *buffer);
+size_t display_draw_line(char x1, char y1, char x2, char y2, char color, char *buffer);
+size_t display_del_simbol(char number, char *buffer);
+size_t display_set_page(char point, char *buffer);
--- a/timer.c
+++ b/timer.c
@ -0,0 +1,26 @@
+#include <avr/interrupt.h>
+#include "timer.h"
+/*
+ * timer.c
+ *
+ * Created: 13.04.2023 14:13:50
+ *  Author: mrnek
+ */ 
+
+static unsigned long millis = 0;
+
+void setup_timer() {
+	TCCR1B |= (1 << WGM12); // настраиваем режим CTC (Clear Timer on Compare Match)
+	OCR1A = 250; // задаем значение, при котором будет срабатывать прерывание (в данном случае 15999, так как Atmega328p работает на частоте 16 МГц и нужно получить прерывание раз в 1 мс)
+	TIMSK1 |= (1 << OCIE1A); // включаем прерывание по совпадению со значением регистра OCR1A
+	sei(); // разрешаем глобальные прерывания
+	TCCR1B |= (1 << CS11) | (1 << CS10); // запускаем таймер с предделителем 64 (16000000/64=250000)
+}
+
+unsigned long get_millis() {
+	return millis;	
+}
+
+ISR(TIMER1_COMPA_vect) {
+	++millis;
+}
--- a/timer.h
+++ b/timer.h
@ -0,0 +1,10 @@
+/*
+ * timer.h
+ *
+ * Created: 13.04.2023 14:12:16
+ *  Author: mrnek
+ */ 
+
+void setup_timer();
+
+unsigned long get_millis();
--- a/uart.c
+++ b/uart.c
@ -0,0 +1,28 @@
+/*
+ * uart.c
+ *
+ * Created: 13.04.2023 15:32:02
+ *  Author: mrnek
+ */ 
+#include <avr/io.h>
+#include "uart.h"
+
+void USART_Init(unsigned int ubrr) {
+	/*Set baud rate */
+	UBRR0H = (unsigned char)(ubrr>>8);
+	UBRR0L = (unsigned char)ubrr;
+	UBRR0H = 0;
+	UBRR0L = 8;
+	/* Set frame format: 8data, 2stop bit */
+	UCSR0C = (1<<USBS0)|(3<<UCSZ00);
+	/* Enable receiver and transmitter */
+	UCSR0B = (1<<RXEN0)|(1<<TXEN0);
+}
+
+void USART_Transmit(unsigned char data) {
+	/* Wait for empty transmit buffer */
+	while (!(UCSR0A & (1<<UDREn)))
+	;
+	/* Put data into buffer, sends the data */
+	UDR0 = data;
+}
--- a/uart.h
+++ b/uart.h
@ -0,0 +1,14 @@
+/*
+ * uart.h
+ *
+ * Created: 13.04.2023 15:32:20
+ *  Author: mrnek
+ */ 
+#define FOSC 1843200 // Clock Speed
+#define BAUD 9600
+#define UDREn (5)
+#define MYUBRR FOSC/16/BAUD-1
+
+void USART_Transmit(unsigned char data);
+
+void USART_Init(unsigned int ubrr);
Author	SHA1	Message	Date
mrnek	9d2b754941	Atmel Studio project files	2023-06-05 14:27:07 +03:00
giezz	f54397612f	Обновлен README.md	2023-06-03 19:42:25 +03:00
Михаил Батухтин	45fc52ffc1	Updated .gitignore	2023-06-03 19:14:44 +03:00
Михаил Батухтин	a56e47eb7f	Minor changes	2023-06-03 19:13:55 +03:00
Михаил Батухтин	17f212cf43	Minor changes	2023-06-03 19:12:52 +03:00
Михаил Батухтин	5fe0a6d3e4	Отправка данных по SPI	2023-06-03 19:11:52 +03:00
Михаил Батухтин	5d5fd2172c	Добавлен файл с вспомогательными функциями	2023-06-03 19:10:35 +03:00
Михаил Батухтин	4575d0c1d2	Fixed calculator implementation	2023-05-29 20:09:14 +03:00
Михаил Батухтин	9b60c22f96	Project refactoring	2023-05-26 22:35:59 +03:00
giezz	963d5c395b	Branch clean-up	2023-04-24 22:40:51 +03:00
Никита Уткин	a184d3555e	Initial commit	2023-04-24 11:14:40 +00:00
Никита Уткин	0fc4e86a7a	Загрузил(а) файлы в 'testPull-up' ArduionIDE	2023-03-01 19:18:17 +00:00
giezz	ca656f2803	Updated README.md	2023-02-22 15:54:22 +03:00
giezz	39731c5060	Console calculator implementation (initial commit)	2023-02-18 21:14:00 +03:00