602 lines
16 KiB
C
602 lines
16 KiB
C
/* USER CODE BEGIN Header */
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/**
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******************************************************************************
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* @file : main.c
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* @brief : Main program body
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******************************************************************************
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* @attention
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*
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* <h2><center>© Copyright (c) 2022 STMicroelectronics.
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* All rights reserved.</center></h2>
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*
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* This software component is licensed by ST under BSD 3-Clause license,
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* the "License"; You may not use this file except in compliance with the
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* License. You may obtain a copy of the License at:
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* opensource.org/licenses/BSD-3-Clause
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*
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******************************************************************************
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*/
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/* USER CODE END Header */
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/* Includes ------------------------------------------------------------------*/
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#include "main.h"
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/* Private includes ----------------------------------------------------------*/
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/* USER CODE BEGIN Includes */
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/* USER CODE END Includes */
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/* Private typedef -----------------------------------------------------------*/
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/* USER CODE BEGIN PTD */
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/* USER CODE END PTD */
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/* Private define ------------------------------------------------------------*/
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/* USER CODE BEGIN PD */
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/* USER CODE END PD */
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/* Private macro -------------------------------------------------------------*/
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/* USER CODE BEGIN PM */
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#define min(a,b) (((a) < (b)) ? (a) : (b))
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#define max(a,b) (((a) > (b)) ? (a) : (b))
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/* USER CODE END PM */
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/* Private variables ---------------------------------------------------------*/
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ADC_HandleTypeDef hadc1;
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DAC_HandleTypeDef hdac1;
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UART_HandleTypeDef huart2;
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/* USER CODE BEGIN PV */
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uint32_t adc_vals_old[2] = {};
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uint32_t adc_vals[2];
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uint8_t rx = 0;
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uint8_t rx_buf[128] = {0};
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int tail = 0, head = 0;
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uint8_t notes[128] = {0};
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uint8_t note_priority = 1;
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uint32_t tones[] = {1508, 1587, 1666, 1745, 1824, 1903, 1986, 2065, 2146, 2225, 2304, 2383,
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1508, 1587, 1666, 1745, 1824, 1903, 1986, 2065, 2146, 2225, 2304, 2383,
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1508, 1587, 1666, 1745, 1824, 1903, 1986, 2065, 2146, 2225, 2304, 2383,
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1508, 1587, 1666, 1745, 1824, 1903, 1986, 2065, 2146, 2225, 2304, 2383,
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1508, 1587, 1666, 1745, 1824, 1903, 1986, 2065, 2146, 2225, 2304, 2383,
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/*c4*/ 1508, 1587, 1666, 1745, 1824, 1903, 1986, 2065, 2146, 2225, 2304, 2383,
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1508, 1587, 1666, 1745, 1824, 1903, 1986, 2065, 2146, 2225, 2304, 2383,
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1508, 1587, 1666, 1745, 1824, 1903, 1986, 2065, 2146, 2225, 2304, 2383,
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1508, 1587, 1666, 1745, 1824, 1903, 1986, 2065, 2146, 2225, 2304, 2383,
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1508, 1587, 1666, 1745, 1824, 1903, 1986, 2065, 2146, 2225, 2304, 2383,
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1508, 1587, 1666, 1745, 1824, 1903, 1986, 2065, 2146, 2225, 2304, 2383,
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1508, 1587, 1666, 1745, 1824, 1903, 1986, 2065};
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/* USER CODE END PV */
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/* Private function prototypes -----------------------------------------------*/
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void SystemClock_Config(void);
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static void MX_GPIO_Init(void);
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static void MX_USART2_UART_Init(void);
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static void MX_ADC1_Init(void);
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static void MX_DAC1_Init(void);
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/* USER CODE BEGIN PFP */
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/* USER CODE END PFP */
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/* Private user code ---------------------------------------------------------*/
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/* USER CODE BEGIN 0 */
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uint32_t endian_swap(uint32_t value)
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{
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_Static_assert(sizeof(uint32_t) == 4, "I can't imagine world where this is false");
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char buf[sizeof(uint32_t)];
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memcpy(buf, &value, sizeof(value));
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// swap(buf[0], buf[3])
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uint32_t t = buf[0]; buf[0] = buf[3]; buf[3] = t;
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// swap(buf[1], buf[2])
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t = buf[1]; buf[1] = buf[2]; buf[2] = t;
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memcpy(&value, buf, sizeof(value));
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return value;
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}
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void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin)
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{
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if (GPIO_Pin == IT1_Pin) {
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uint8_t val = 0b10000000;
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//HAL_UART_Transmit(&huart2, (uint8_t *) &val, sizeof(val), HAL_MAX_DELAY);
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if(HAL_GPIO_ReadPin(GPIOA, GPIO_PIN_9)){
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// falling
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printf("D%04lu\n", 0);
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} else{
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// rising
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printf("D%04lu\n", 4095);
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}
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}
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if (GPIO_Pin == IT2_Pin) {
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uint8_t val = 0b10000001;
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//HAL_UART_Transmit(&huart2, (uint8_t *) &val, sizeof(val), HAL_MAX_DELAY);
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if(HAL_GPIO_ReadPin(GPIOA, GPIO_PIN_8)){
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// falling
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printf("C%04lu\n", 0);
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} else{
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// rising
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printf("C%04lu\n", 4095);
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}
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}
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if (GPIO_Pin == IT3_Pin) {
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uint8_t val = 0b10000010;
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//HAL_UART_Transmit(&huart2, (uint8_t *) &val, sizeof(val), HAL_MAX_DELAY);
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if(HAL_GPIO_ReadPin(GPIOA, GPIO_PIN_7)){
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// falling
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printf("E%04lu\n", 0);
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} else{
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// rising
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printf("E%04lu\n", 4095);
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}
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}
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}
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int __io_putchar(int ch)
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{
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if (ch == '\n') {
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__io_putchar('\r');
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}
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HAL_UART_Transmit(&huart2, (uint8_t*)&ch, 1, HAL_MAX_DELAY);
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return 1;
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}
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/* USER CODE END 0 */
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/**
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* @brief The application entry point.
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* @retval int
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*/
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int main(void)
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{
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/* USER CODE BEGIN 1 */
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/* USER CODE END 1 */
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/* MCU Configuration--------------------------------------------------------*/
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/* Reset of all peripherals, Initializes the Flash interface and the Systick. */
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HAL_Init();
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/* USER CODE BEGIN Init */
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/* USER CODE END Init */
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/* Configure the system clock */
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SystemClock_Config();
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/* USER CODE BEGIN SysInit */
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/* USER CODE END SysInit */
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/* Initialize all configured peripherals */
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MX_GPIO_Init();
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MX_USART2_UART_Init();
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MX_ADC1_Init();
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MX_DAC1_Init();
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/* USER CODE BEGIN 2 */
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// start both DAC channels
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HAL_DAC_Start(&hdac1, DAC1_CHANNEL_1);
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HAL_DAC_Start(&hdac1, DAC1_CHANNEL_2);
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// configure built-in ADC
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HAL_ADCEx_Calibration_Start(&hadc1, ADC_SINGLE_ENDED);
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HAL_UART_Receive_IT(&huart2, &rx, 1);
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/* USER CODE END 2 */
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/* Infinite loop */
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/* USER CODE BEGIN WHILE */
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while (1)
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{
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/*int transmit_flag = 0;
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char adc_chars[sizeof(uint32_t)] = {};
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for(int i = 0; i < 2; i++){
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HAL_ADC_Start(&hadc1);
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HAL_ADC_PollForConversion(&hadc1, HAL_MAX_DELAY);
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adc_vals[i] = HAL_ADC_GetValue(&hadc1);
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if((adc_vals[i] > adc_vals_old[i] && adc_vals[i] - adc_vals_old[i] > 100) ||
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(adc_vals[i] < adc_vals_old[i] && adc_vals_old[i] - adc_vals[i] > 100)){
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printf("NR %d do zmiany\n", i);
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uint32_t temp = adc_vals[i];
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adc_vals_old[i] = temp;
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adc_vals[i] = endian_swap(temp);
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memcpy(adc_chars + (sizeof(uint32_t)*i), &adc_vals[i], sizeof(uint32_t));
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transmit_flag = 1;
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}
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}
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if(transmit_flag == 1){
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//HAL_UART_Transmit(&huart2, (uint8_t *) &adc_chars[0], 2 * sizeof(uint32_t), HAL_MAX_DELAY);
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}*/
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int note_update_flag = 0;
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if (head != tail){
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if((rx_buf[tail] & 0b11110000) == 0b10010000){
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// note on
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int bytes_available = (head - tail + 128) % 128;
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if (bytes_available >= 3){
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// if all 3 bytes available
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// printf("G%04d\n", rx_buf[tail+1]);
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notes[rx_buf[tail+1]] = note_priority++;
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note_update_flag = 1;
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tail = (tail+3)%128;
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}
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}else if((rx_buf[tail] & 0b11110000) == 0b10000000){
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// note off
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int bytes_available = (head - tail + 128) % 128;
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if (bytes_available >= 3){
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// if all 3 bytes available
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// printf("G%04d\n", rx_buf[tail+1]);
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notes[rx_buf[tail+1]] = 0;
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note_update_flag = 1;
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tail = (tail+3)%128;
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}
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}else{
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// anything else
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// for now drop the data
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tail = (tail+1)%128;
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}
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if(note_update_flag){
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int newest_note = -1;
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uint8_t max_priority = 0;
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for(int i = 0; i < 128; i++){
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if(notes[i] > max_priority){
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max_priority = notes[i];
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newest_note = i;
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}
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}
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if(newest_note >= 0){
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DAC1->DHR12R1 = max(min(tones[newest_note], 4095), 0);
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HAL_GPIO_WritePin(GPIOA, GPIO_PIN_6, GPIO_PIN_SET);
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}else{
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HAL_GPIO_WritePin(GPIOA, GPIO_PIN_6, GPIO_PIN_RESET);
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}
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}
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/////////////////////// A //////////////////////
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/*uint8_t data[3];
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data[0] = 0b10010000;
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data[1] = rx_buf[tail];
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data[2] = 0b01111111;
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HAL_UART_Transmit(&huart3, &data[0], 3, HAL_MAX_DELAY);
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HAL_Delay(500);
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data[0] = 0b10000000;
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HAL_UART_Transmit(&huart3, &data[0], 3, HAL_MAX_DELAY);
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tail = (tail+1)%128;*/
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}
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char adc_chars[sizeof(uint32_t)] = {};
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for(int i = 0; i < 2; i++){
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HAL_ADC_Start(&hadc1);
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HAL_ADC_PollForConversion(&hadc1, HAL_MAX_DELAY);
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adc_vals[i] = 4095 - HAL_ADC_GetValue(&hadc1);
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}
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printf("A%04lu\n", adc_vals[0]);
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printf("B%04lu\n", adc_vals[1]);
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/*
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for(int i = 0; i < 2; i++){
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uint32_t temp = adc_vals[i];
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adc_vals[i] = endian_swap(temp) << 3;
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memcpy(adc_chars + (sizeof(uint32_t)*i), &adc_vals[i], sizeof(uint32_t));
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}
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HAL_UART_Transmit(&huart2, (uint8_t *) &adc_chars[0], 2 * sizeof(uint32_t), HAL_MAX_DELAY);
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*/
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HAL_Delay(100);
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/* USER CODE END WHILE */
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/* USER CODE BEGIN 3 */
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}
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/* USER CODE END 3 */
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}
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/**
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* @brief System Clock Configuration
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* @retval None
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*/
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void SystemClock_Config(void)
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{
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RCC_OscInitTypeDef RCC_OscInitStruct = {0};
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RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
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/** Configure the main internal regulator output voltage
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*/
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if (HAL_PWREx_ControlVoltageScaling(PWR_REGULATOR_VOLTAGE_SCALE1) != HAL_OK)
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{
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Error_Handler();
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}
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/** Initializes the RCC Oscillators according to the specified parameters
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* in the RCC_OscInitTypeDef structure.
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*/
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RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
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RCC_OscInitStruct.HSIState = RCC_HSI_ON;
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RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;
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RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
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RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI;
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RCC_OscInitStruct.PLL.PLLM = 1;
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RCC_OscInitStruct.PLL.PLLN = 10;
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RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV7;
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RCC_OscInitStruct.PLL.PLLQ = RCC_PLLQ_DIV2;
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RCC_OscInitStruct.PLL.PLLR = RCC_PLLR_DIV2;
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if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
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{
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Error_Handler();
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}
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/** Initializes the CPU, AHB and APB buses clocks
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*/
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RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
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|RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
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RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
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RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
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RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
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RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
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if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_4) != HAL_OK)
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{
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Error_Handler();
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}
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}
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/**
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* @brief ADC1 Initialization Function
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* @param None
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* @retval None
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*/
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static void MX_ADC1_Init(void)
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{
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/* USER CODE BEGIN ADC1_Init 0 */
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/* USER CODE END ADC1_Init 0 */
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ADC_MultiModeTypeDef multimode = {0};
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ADC_ChannelConfTypeDef sConfig = {0};
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/* USER CODE BEGIN ADC1_Init 1 */
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/* USER CODE END ADC1_Init 1 */
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/** Common config
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*/
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hadc1.Instance = ADC1;
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hadc1.Init.ClockPrescaler = ADC_CLOCK_ASYNC_DIV1;
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hadc1.Init.Resolution = ADC_RESOLUTION_12B;
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hadc1.Init.DataAlign = ADC_DATAALIGN_RIGHT;
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hadc1.Init.ScanConvMode = ADC_SCAN_ENABLE;
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hadc1.Init.EOCSelection = ADC_EOC_SINGLE_CONV;
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hadc1.Init.LowPowerAutoWait = DISABLE;
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hadc1.Init.ContinuousConvMode = DISABLE;
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hadc1.Init.NbrOfConversion = 2;
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hadc1.Init.DiscontinuousConvMode = DISABLE;
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hadc1.Init.ExternalTrigConv = ADC_SOFTWARE_START;
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hadc1.Init.ExternalTrigConvEdge = ADC_EXTERNALTRIGCONVEDGE_NONE;
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hadc1.Init.DMAContinuousRequests = DISABLE;
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hadc1.Init.Overrun = ADC_OVR_DATA_PRESERVED;
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hadc1.Init.OversamplingMode = DISABLE;
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if (HAL_ADC_Init(&hadc1) != HAL_OK)
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{
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Error_Handler();
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}
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/** Configure the ADC multi-mode
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*/
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multimode.Mode = ADC_MODE_INDEPENDENT;
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if (HAL_ADCEx_MultiModeConfigChannel(&hadc1, &multimode) != HAL_OK)
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{
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Error_Handler();
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}
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/** Configure Regular Channel
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*/
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sConfig.Channel = ADC_CHANNEL_1;
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sConfig.Rank = ADC_REGULAR_RANK_1;
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sConfig.SamplingTime = ADC_SAMPLETIME_640CYCLES_5;
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sConfig.SingleDiff = ADC_SINGLE_ENDED;
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sConfig.OffsetNumber = ADC_OFFSET_NONE;
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sConfig.Offset = 0;
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if (HAL_ADC_ConfigChannel(&hadc1, &sConfig) != HAL_OK)
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{
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Error_Handler();
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}
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/** Configure Regular Channel
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*/
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sConfig.Channel = ADC_CHANNEL_2;
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sConfig.Rank = ADC_REGULAR_RANK_2;
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if (HAL_ADC_ConfigChannel(&hadc1, &sConfig) != HAL_OK)
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{
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Error_Handler();
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}
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/* USER CODE BEGIN ADC1_Init 2 */
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/* USER CODE END ADC1_Init 2 */
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}
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/**
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* @brief DAC1 Initialization Function
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* @param None
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* @retval None
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*/
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static void MX_DAC1_Init(void)
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{
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/* USER CODE BEGIN DAC1_Init 0 */
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/* USER CODE END DAC1_Init 0 */
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DAC_ChannelConfTypeDef sConfig = {0};
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/* USER CODE BEGIN DAC1_Init 1 */
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/* USER CODE END DAC1_Init 1 */
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/** DAC Initialization
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*/
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hdac1.Instance = DAC1;
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if (HAL_DAC_Init(&hdac1) != HAL_OK)
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{
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Error_Handler();
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}
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/** DAC channel OUT1 config
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*/
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sConfig.DAC_SampleAndHold = DAC_SAMPLEANDHOLD_DISABLE;
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sConfig.DAC_Trigger = DAC_TRIGGER_NONE;
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sConfig.DAC_OutputBuffer = DAC_OUTPUTBUFFER_ENABLE;
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sConfig.DAC_ConnectOnChipPeripheral = DAC_CHIPCONNECT_DISABLE;
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sConfig.DAC_UserTrimming = DAC_TRIMMING_FACTORY;
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if (HAL_DAC_ConfigChannel(&hdac1, &sConfig, DAC_CHANNEL_1) != HAL_OK)
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{
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Error_Handler();
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}
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/** DAC channel OUT2 config
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*/
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if (HAL_DAC_ConfigChannel(&hdac1, &sConfig, DAC_CHANNEL_2) != HAL_OK)
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{
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Error_Handler();
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}
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/* USER CODE BEGIN DAC1_Init 2 */
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/* USER CODE END DAC1_Init 2 */
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}
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/**
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* @brief USART2 Initialization Function
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* @param None
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* @retval None
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*/
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static void MX_USART2_UART_Init(void)
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{
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/* USER CODE BEGIN USART2_Init 0 */
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/* USER CODE END USART2_Init 0 */
|
|
|
|
/* USER CODE BEGIN USART2_Init 1 */
|
|
|
|
/* USER CODE END USART2_Init 1 */
|
|
huart2.Instance = USART2;
|
|
huart2.Init.BaudRate = 115200;
|
|
huart2.Init.WordLength = UART_WORDLENGTH_8B;
|
|
huart2.Init.StopBits = UART_STOPBITS_1;
|
|
huart2.Init.Parity = UART_PARITY_NONE;
|
|
huart2.Init.Mode = UART_MODE_TX_RX;
|
|
huart2.Init.HwFlowCtl = UART_HWCONTROL_NONE;
|
|
huart2.Init.OverSampling = UART_OVERSAMPLING_16;
|
|
huart2.Init.OneBitSampling = UART_ONE_BIT_SAMPLE_DISABLE;
|
|
huart2.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_NO_INIT;
|
|
if (HAL_UART_Init(&huart2) != HAL_OK)
|
|
{
|
|
Error_Handler();
|
|
}
|
|
/* USER CODE BEGIN USART2_Init 2 */
|
|
|
|
/* USER CODE END USART2_Init 2 */
|
|
|
|
}
|
|
|
|
/**
|
|
* @brief GPIO Initialization Function
|
|
* @param None
|
|
* @retval None
|
|
*/
|
|
static void MX_GPIO_Init(void)
|
|
{
|
|
GPIO_InitTypeDef GPIO_InitStruct = {0};
|
|
|
|
/* GPIO Ports Clock Enable */
|
|
__HAL_RCC_GPIOC_CLK_ENABLE();
|
|
__HAL_RCC_GPIOH_CLK_ENABLE();
|
|
__HAL_RCC_GPIOA_CLK_ENABLE();
|
|
__HAL_RCC_GPIOB_CLK_ENABLE();
|
|
|
|
/*Configure GPIO pin Output Level */
|
|
HAL_GPIO_WritePin(GPIOA, GPIO_PIN_6, GPIO_PIN_RESET);
|
|
|
|
/*Configure GPIO pin : B1_Pin */
|
|
GPIO_InitStruct.Pin = B1_Pin;
|
|
GPIO_InitStruct.Mode = GPIO_MODE_IT_FALLING;
|
|
GPIO_InitStruct.Pull = GPIO_NOPULL;
|
|
HAL_GPIO_Init(B1_GPIO_Port, &GPIO_InitStruct);
|
|
|
|
/*Configure GPIO pin : PA6 */
|
|
GPIO_InitStruct.Pin = GPIO_PIN_6;
|
|
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
|
|
GPIO_InitStruct.Pull = GPIO_NOPULL;
|
|
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
|
|
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
|
|
|
|
/*Configure GPIO pins : IT3_Pin IT2_Pin IT1_Pin */
|
|
GPIO_InitStruct.Pin = IT3_Pin|IT2_Pin|IT1_Pin;
|
|
GPIO_InitStruct.Mode = GPIO_MODE_IT_RISING_FALLING;
|
|
GPIO_InitStruct.Pull = GPIO_PULLUP;
|
|
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
|
|
|
|
/* EXTI interrupt init*/
|
|
HAL_NVIC_SetPriority(EXTI9_5_IRQn, 8, 0);
|
|
HAL_NVIC_EnableIRQ(EXTI9_5_IRQn);
|
|
|
|
}
|
|
|
|
/* USER CODE BEGIN 4 */
|
|
|
|
/* USER CODE END 4 */
|
|
|
|
/**
|
|
* @brief This function is executed in case of error occurrence.
|
|
* @retval None
|
|
*/
|
|
void Error_Handler(void)
|
|
{
|
|
/* USER CODE BEGIN Error_Handler_Debug */
|
|
/* User can add his own implementation to report the HAL error return state */
|
|
__disable_irq();
|
|
while (1)
|
|
{
|
|
}
|
|
/* USER CODE END Error_Handler_Debug */
|
|
}
|
|
|
|
#ifdef USE_FULL_ASSERT
|
|
/**
|
|
* @brief Reports the name of the source file and the source line number
|
|
* where the assert_param error has occurred.
|
|
* @param file: pointer to the source file name
|
|
* @param line: assert_param error line source number
|
|
* @retval None
|
|
*/
|
|
void assert_failed(uint8_t *file, uint32_t line)
|
|
{
|
|
/* USER CODE BEGIN 6 */
|
|
/* User can add his own implementation to report the file name and line number,
|
|
ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
|
|
/* USER CODE END 6 */
|
|
}
|
|
#endif /* USE_FULL_ASSERT */
|
|
|
|
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
|