Fixed calculator implementation

This commit is contained in:
Михаил Батухтин 2023-05-29 20:09:14 +03:00
parent 9b60c22f96
commit 4575d0c1d2
4 changed files with 182 additions and 229 deletions

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@ -1,187 +1,142 @@
#include <stdio.h> #include "calculator.h"
#include <stdlib.h>
enum calculator_state { void handleCalc(struct calculator *calc, int input) {
NUMBER_FIRST, switch (calc->state) {
NUMBER_SECOND, case NUMBER_FIRST:
RESULT switch (input) {
}; case 0:
enum calculator_op { calc->num1 = (calc->num1 * 10) + 7;
NO_OP,
ADD,
SUB,
DIV,
MUL
};
struct calculator {
// 1 ÷èñëî
int num1;
// 2 ÷èñëî
int num2;
// 3 îïåðàöèÿ
enum calculator_op operation;
// 4 ðåçóëüòàò
int result;
// 5 ñîñòîÿíèå àòîìàòà
enum calculator_state state;
};
int main() {
struct calculator calc;
calc.state = NUMBER_FIRST;
calc.operation = NO_OP;
calc.num1 = 0;
calc.num2 = 0;
calc.result = 0;
int input;
while (1) {
scanf("%d", &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;
case 10:
calc.num1 = (calc.num1 * 10) + 3;
break;
case 11:
calc.operation = SUB;
calc.state = NUMBER_SECOND;
break;
case 12:
calc.num1 = 0;
break;
case 13:
calc.state = NUMBER_FIRST;
calc.operation = NO_OP;
calc.num1 = 0;
calc.num2 = 0;
calc.result = 0;
break;
case 14:
break;
case 15:
calc.operation = ADD;
calc.state = NUMBER_SECOND;
break;
}
printf("num1: %d | num2: %d | result: %d | operation: %d | state: %d", calc.num1, calc.num2, calc.result, calc.operation, calc.state);
break; break;
case 1:
case NUMBER_SECOND: calc->num1 = (calc->num1 * 10) + 8;
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;
case 10:
calc.num2 = (calc.num2 * 10) + 3;
break;
case 11:
break;
case 12:
calc.num2 = 0;
break;
case 13:
calc.state = NUMBER_FIRST;
calc.operation = NO_OP;
calc.num1 = 0;
calc.num2 = 0;
calc.result = 0;
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;
}
printf("num1: %d | num2: %d | result: %d | operation: %d | state: %d", calc.num1, calc.num2, calc.result, calc.operation, calc.state);
break; break;
case RESULT: case 2:
switch (input) { calc->num1 = (calc->num1 * 10) + 9;
case 14: break;
calc.state = NUMBER_FIRST; case 3:
calc.operation = NO_OP; calc->operation = DIV;
calc.num1 = 0; calc->state = NUMBER_SECOND;
calc.num2 = 0; break;
calc.result = 0; case 4:
printf("num1: %d | num2: %d | result: %d | operation: %d | state: %d", calc.num1, calc.num2, calc.result, calc.operation, calc.state); calc->num1 = (calc->num1 * 10) + 4;
break; 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;
} }
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 13:
clearCalc(calc);
case 14:
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;
} }

29
calculator.h Normal file
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@ -0,0 +1,29 @@
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);

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@ -36,9 +36,8 @@ void get_logical_keys(struct key *undc_keys) {
undc_keys[i].logical = undc_keys[i].physical; undc_keys[i].logical = undc_keys[i].physical;
set_key_event(&undc_keys[i]); set_key_event(&undc_keys[i]);
} }
} else { } else {
undc_keys[i].time = timestamp; undc_keys[i].time = timestamp;
} }
} }
} }
@ -49,9 +48,6 @@ void fill_buttons_names(struct key *buttons) {
} }
} }
/************************************************************************/
/* */
/************************************************************************/
static void set_key_event(struct key *button) { static void set_key_event(struct key *button) {
if (button->logical == true) { if (button->logical == true) {
button->on_down = true; button->on_down = true;

61
main.c
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@ -5,6 +5,7 @@
#include "timer.h" #include "timer.h"
#include "keyboard.h" #include "keyboard.h"
#include "uart.h" #include "uart.h"
#include "calculator.h"
void setup_registers() { void setup_registers() {
MCUCR &= ~(1 << 4); // PUD MCUCR &= ~(1 << 4); // PUD
@ -24,16 +25,17 @@ void setup() {
setup_registers(); setup_registers();
} }
int up_amoumt = 0;
int down_amount = 0;
int diff = 0;
int diff_prev = 0;
int main(void) { int main(void) {
puts("Program started\r\n");
setup(); setup();
puts("Hello\r\n");
struct calculator calc;
struct key keys[KEYS_AMOUNT]; struct key keys[KEYS_AMOUNT];
fill_buttons_names(keys); fill_buttons_names(keys);
clearCalc(&calc);
while(1) { while(1) {
get_physical_keys(keys); get_physical_keys(keys);
get_logical_keys(keys); get_logical_keys(keys);
@ -41,46 +43,17 @@ int main(void) {
for (int i = 0; i < KEYS_AMOUNT; i++) { for (int i = 0; i < KEYS_AMOUNT; i++) {
bool up, down; bool up, down;
get_event(&keys[i], &up, &down); get_event(&keys[i], &up, &down);
if (down) if (down) {
{ handleCalc(&calc, keys[i].button);
printf("%d", keys[i].button); printf("-------\r\n");
printf("%d\r\n", keys[i].button);
printf("%li\r\n", calc.num1);
printf("%li\r\n", calc.num2);
printf("%li\r\n", calc.result);
printf("%d\r\n", calc.operation);
printf("%d\r\n", calc.state);
} }
} }
//down_amount = 0;
//up_amoumt = 0;
//
//for (int i = 0; i < KEYS_AMOUNT; i++) {
//if (keys[i].logical == false) {
//down_amount++;
//} else {
//up_amoumt++;
//}
////bool up;
////bool down;
////get_event(&keys[i], &up, &down);
////if (down) {
////down_amount++;
////}
////else {
////up_amoumt++;
////}
//}
//diff = up_amoumt;
////if (diff != diff_prev) {
//for (int i = 0; i < KEYS_AMOUNT; i++) {
//bool up, down;
//get_event(&keys[i], &up, &down);
////if (keys[i].logical == true) {
////printf("%d", keys[i].button);
////}
//if (down) {
////printf("%s\r\n", i);
//printf("%d", keys[i].button);
//}
//}
////}
//diff_prev = diff;
} }
} }