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79 lines
1.7 KiB
79 lines
1.7 KiB
//
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// Created by MightyPork on 2.9.16.
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//
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#include <inttypes.h>
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#include <stm32f1xx_hal_gpio.h>
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#include "mxconstants.h"
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#include "stm32f1xx_hal.h"
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#include "utils.h"
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#include "adc.h"
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#include "tim.h"
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#include "user_main.h"
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static uint32_t audio_samples[256];
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void start_DMA() {
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uart_print("- Starting ADC DMA\n");
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HAL_ADC_Start_DMA(&hadc1, audio_samples, 256);
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HAL_TIM_Base_Start(&htim3);
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}
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/** This callback is called by HAL after the transfer is complete */
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void HAL_ADC_ConvCpltCallback(ADC_HandleTypeDef *hadc) {
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uart_print("- DMA complete.\n");
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char x[100];
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sprintf(x, "%"PRIu32"\n", audio_samples[0]);
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uart_print(x);
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}
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void user_main() {
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// Leds OFF
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HAL_GPIO_WritePin(LED1_GPIO_Port, LED1_Pin, 1);
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HAL_GPIO_WritePin(LED2_GPIO_Port, LED2_Pin, 1);
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HAL_GPIO_WritePin(LED3_GPIO_Port, LED3_Pin, 1);
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HAL_GPIO_WritePin(LED4_GPIO_Port, LED4_Pin, 1);
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// Enable audio input
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HAL_GPIO_WritePin(AUDIO_NSTBY_GPIO_Port, AUDIO_NSTBY_Pin, 1);
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while (1) {
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// Blink
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HAL_GPIO_TogglePin(LED1_GPIO_Port, LED1_Pin);
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HAL_Delay(500);
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uart_print("Main loop\n");
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start_DMA();
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}
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}
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//region Error handlers
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void user_Error_Handler() {
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uart_print("HAL error occurred.\n");
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while (1);
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}
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/**
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* @brief Reports the name of the source file and the source line number
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* where the assert_param error has occurred.
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* @param file: pointer to the source file name
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* @param line: assert_param error line source number
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* @retval None
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*/
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void user_assert_failed(uint8_t *file, uint32_t line) {
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uart_print("Assert failed in file ");
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uart_print((char *) file);
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uart_print(" on line ");
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char x[10];
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sprintf(x, "%"PRIu32, line);
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uart_print(x);
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uart_print("\n");
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while (1);
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}
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// endregion
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