52 lines
991 B
C
52 lines
991 B
C
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#include <string.h>
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#include <stdlib.h>
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#include <time.h>
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#include "main.h"
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#include "stm32f1xx_hal.h"
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#include "usart.h"
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#include "gpio.h"
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char test_msg[1];
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uint8_t test_send_int ;
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char readBuf[1];
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uint8_t test_receive_int = 9;
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int main(void);
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int get_random_integer(uint8_t MAX_INT);
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// init_stm32_main_template
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int main(void){
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HAL_Init();
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SystemClock_Config();
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MX_GPIO_Init();
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MX_USART2_UART_Init();
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srand(time(NULL));
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while (1){
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test_send_int = get_random_integer(9);
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itoa(test_send_int, test_msg, 10);
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HAL_UART_Transmit(&huart2, (uint8_t*)test_msg, 1, HAL_MAX_DELAY);
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HAL_UART_Receive(&huart2, (uint8_t*)readBuf, 1, HAL_MAX_DELAY);
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test_receive_int = atoi(readBuf);
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if (test_send_int == test_receive_int){
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HAL_GPIO_TogglePin(GPIOC, GPIO_PIN_13);
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}else{
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}
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HAL_Delay(2);
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}
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return 0;
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}
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int get_random_integer(uint8_t MAX_INT){
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return rand() % MAX_INT;
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}
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