forked from j3d1/fiatlux
373 lines
13 KiB
C
373 lines
13 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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* Copyright (c) 2022 STMicroelectronics.
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* All rights reserved.
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*
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* This software is licensed under terms that can be found in the LICENSE file
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* in the root directory of this software component.
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* If no LICENSE file comes with this software, it is provided AS-IS.
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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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#include "crc.h"
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#include "dma.h"
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#include "tim.h"
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#include "gpio.h"
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/* Private includes ----------------------------------------------------------*/
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/* USER CODE BEGIN Includes */
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#include <stdbool.h>
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#include "spi.h"
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#include "stm32f0xx_ll_spi.h"
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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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/* USER CODE END PM */
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/* Private variables ---------------------------------------------------------*/
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/* USER CODE BEGIN PV */
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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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/* 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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const uint16_t version = 42;
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bool toggle = false;
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uint16_t counter = 0;
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volatile bool dirty = true;
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//uint16_t mem[12] = {0xFFF, 0xFF, 0xFFF, 0xFF, 0xFFF, 0xFF, 0xFFF, 0xFF, 0xFFF, 0xFF, 0xFFF, 0xFF};
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//uint16_t mem[12] = {0x300, 0x40, 0x300, 0x40, 0x300, 0x40, 0x300, 0x40, 0x300, 0x40, 0x300, 0x40};
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//uint16_t mem[12] = {0xFFF, 0xFF, 0xFFF, 0xFF, 0xFFF, 0xFF, 0xFFF, 0xFF, 0xFFF, 0xFF, 0xFFF, 0xFF};
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//uint16_t mem[12] = {0x300, 0xff, 0x300, 0xff, 0x300, 0xff, 0x300, 0xff, 0x300, 0xff, 0x300, 0xff};
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uint16_t mem[12] = {0x000, 0x00, 0x000, 0x00, 0x000, 0x00, 0x000, 0x00, 0x000, 0x00, 0x000, 0x00};
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uint16_t lookup_ana[256] = {0, 750, 750, 750, 750, 750, 750, 750, 750, 750, 750, 750, 750, 750, 750, 750, 750, 750, 750, 750, 750, 750, 750, 750, 750, 750, 750, 750, 750, 750, 750, 750, 750, 750, 750, 750, 750, 750, 750, 750, 750, 750, 750, 750, 750, 750, 750, 755, 771, 787, 803, 819, 835, 851, 867, 883, 899, 915, 931, 947, 964, 980, 996, 1012, 1028, 1044, 1060, 1076, 1092, 1108, 1124, 1140, 1156, 1172, 1188, 1204, 1220, 1237, 1253, 1269, 1285, 1301, 1317, 1333, 1349, 1365, 1381, 1397, 1413, 1429, 1445, 1461, 1477, 1493, 1510, 1526, 1542, 1558, 1574, 1590, 1606, 1622, 1638, 1654, 1670, 1686, 1702, 1718, 1734, 1750, 1766, 1783, 1799, 1815, 1831, 1847, 1863, 1879, 1895, 1911, 1927, 1943, 1959, 1975, 1991, 2007, 2023, 2039, 2056, 2072, 2088, 2104, 2120, 2136, 2152, 2168, 2184, 2200, 2216, 2232, 2248, 2264, 2280, 2296, 2312, 2329, 2345, 2361, 2377, 2393, 2409, 2425, 2441, 2457, 2473, 2489, 2505, 2521, 2537, 2553, 2569, 2585, 2602, 2618, 2634, 2650, 2666, 2682, 2698, 2714, 2730, 2746, 2762, 2778, 2794, 2810, 2826, 2842, 2858, 2875, 2891, 2907, 2923, 2939, 2955, 2971, 2987, 3003, 3019, 3035, 3051, 3067, 3083, 3099, 3115, 3131, 3148, 3164, 3180, 3196, 3212, 3228, 3244, 3260, 3276, 3292, 3308, 3324, 3340, 3356, 3372, 3388, 3404, 3421, 3437, 3453, 3469, 3485, 3501, 3517, 3533, 3549, 3565, 3581, 3597, 3613, 3629, 3645, 3661, 3677, 3694, 3710, 3726, 3742, 3758, 3774, 3790, 3806, 3822, 3838, 3854, 3870, 3886, 3902, 3918, 3934, 3950, 3967, 3983, 3999, 4015, 4031, 4047, 4063, 4079, 4095};
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uint16_t lookup_pwm[256] = {0, 6, 11, 17, 22, 28, 33, 39, 44, 50, 55, 61, 67, 72, 78, 83, 89, 94, 100, 105, 111, 116, 122, 128, 133, 139, 144, 150, 155, 161, 166, 172, 177, 183, 188, 194, 200, 205, 211, 216, 222, 227, 233, 238, 244, 249, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255};
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uint16_t conf[8] = {version, 0, 0, 0, 0, 0, 0, 0};
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#define BUFFER_SIZE 64
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uint16_t RX_Buffer[BUFFER_SIZE] = {0};
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uint16_t TX_Buffer[BUFFER_SIZE] = {0};
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void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin) {
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}
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void HAL_SPI_CpltCallback(SPI_HandleTypeDef *hspi) {
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}
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void HAL_SPI_RxCpltCallback(SPI_HandleTypeDef *hspi) {
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HAL_SPI_CpltCallback(hspi);
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}
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void HAL_SPI_TxRxCpltCallback(SPI_HandleTypeDef *hspi) {
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HAL_SPI_CpltCallback(hspi);
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}
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void HAL_SPI_TxCpltCallback(SPI_HandleTypeDef *hspi) {
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HAL_SPI_Transmit_DMA(&hspi2, (uint8_t *) TX_Buffer, 2);
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}
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void setDAC(uint8_t channel, uint16_t val) {
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uint16_t frame = (val & 0x0FFF) | (0x7000 & (channel << 12));
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HAL_SPI_Transmit(&hspi1, (uint8_t * ) & frame, 1, 100);
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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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/* 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_CRC_Init();
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MX_TIM1_Init();
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MX_DMA_Init();
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MX_TIM3_Init();
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/* USER CODE BEGIN 2 */
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MX_SPI1_Init();
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//MX_SPI2_Init();
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TIM1->ARR = 254;
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TIM1->CCR1 = 10;
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TIM1->CCR2 = 10;
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TIM1->CCR3 = 10;
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TIM1->CCR4 = 10;
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TIM1->CCMR1 = 0x6868;
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TIM1->CCMR2 = 0x6868;
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TIM1->CCER = 0x1111;
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TIM1->EGR |= TIM_EGR_UG;
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TIM1->BDTR |= TIM_BDTR_MOE;
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TIM1->CR1 |= TIM_CR1_CEN;
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TIM3->ARR = 254;
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TIM3->CCR1 = 10;
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TIM3->CCR2 = 10;
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TIM3->CCMR1 = 0x6868; // 0x68 = Mode b110 (PWM mode 1), Preload Enable, Output
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TIM3->CCER = 0x1111; // Enable Caputre/Compare CH4-1
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TIM3->EGR |= TIM_EGR_UG; // Reinit Timer
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TIM3->BDTR |= TIM_BDTR_MOE; // Enable Main Output
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TIM3->CR1 |= TIM_CR1_CEN; // Enable Counter
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/*
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// GPIO CONFIG I2C2
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RCC->AHBENR |= RCC_AHBENR_GPIOBEN; // Eneable Clock
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GPIOB->MODER &= ~(GPIO_MODER_MODER14_Msk | GPIO_MODER_MODER13_Msk);
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GPIOB->MODER |= GPIO_MODER_MODER14_1 | GPIO_MODER_MODER13_1; // GPIOB 14 & 13 -> Alternate Function
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GPIOB->AFR[1] &= ~(GPIO_AFRH_AFSEL14_Msk | GPIO_AFRH_AFSEL13_Msk);
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GPIOB->AFR[1] |= (5 << GPIO_AFRH_AFSEL14_Pos) | (5 << GPIO_AFRH_AFSEL13_Pos); // AF5 (I2C2)
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GPIOB->OTYPER |= (GPIO_OTYPER_OT_14 | GPIO_OTYPER_OT_13); // Output type: open drain
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GPIOB->PUPDR &= ~(GPIO_PUPDR_PUPDR14_Msk | GPIO_PUPDR_PUPDR13_Msk);
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GPIOB->PUPDR |= GPIO_PUPDR_PUPDR14_0 | GPIO_PUPDR_PUPDR13_0; // Enable Internal Pull up
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// Enable I2C2
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RCC->APB1ENR |= RCC_APB1ENR_I2C2EN; // Eneable Clock
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I2C2->CR1 &= ~I2C_CR1_PE; // Reset Periph.
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//while(I2C2->CR1 & I2C_CR1_PE) {}
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I2C2->OAR1 = I2C_OAR1_OA1EN | (5 << 1); // Enable, Addr: 5
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I2C2->OAR2 = 0;
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I2C2->CR1 |= I2C_CR1_NOSTRETCH; //Disable Clock stretching
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I2C2->CR1 |= I2C_CR1_PE; // Enable Periph
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*/
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// GPIO CONFIG UART2
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RCC->AHBENR |= RCC_AHBENR_GPIOAEN;
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GPIOA->MODER &= ~GPIO_MODER_MODER3_Msk;
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GPIOA->MODER |= GPIO_MODER_MODER3_1; //GPIOA3 Alternate Function
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GPIOA->AFR[0] &= ~GPIO_AFRL_AFSEL3_Msk;
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GPIOA->AFR[0] |= 1 << GPIO_AFRL_AFSEL3_Pos; // AF1 -> UART2
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GPIOA->OTYPER |= GPIO_OTYPER_OT_3;
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// Enable UART2
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RCC->APB1ENR |= RCC_APB1ENR_USART2EN;
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USART2->CR1 = 0;
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USART2->CR2 = 0;
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USART2->CR3 = 0;
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USART2->BRR = 48000000 / 115200;
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//USART2->CR1 = USART_CR1_RE | USART_CR1_UE;
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USART2->CR1 = USART_CR1_RXNEIE | USART_CR1_RE | USART_CR1_UE;
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NVIC_EnableIRQ(USART2_IRQn);
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uint16_t frame = 0b1001000000000000; // DAC128S085: Enable Write Through mode (Instant output change on write)
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HAL_SPI_Transmit(&hspi1, (uint8_t * ) & frame, 1, 100);
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for (int i = 0; i < 6; ++i) {
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setDAC(i, mem[i * 2]);
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}
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TIM1->CCR1 = 0xFF & mem[1];
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TIM1->CCR2 = 0xFF & mem[3];
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TIM1->CCR3 = 0xFF & mem[5];
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TIM1->CCR4 = 0xFF & mem[7];
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TIM3->CCR1 = 0xFF & mem[9];
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TIM3->CCR2 = 0xFF & mem[11];
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HAL_GPIO_WritePin(SIGNAL_LED_GPIO_Port, SIGNAL_LED_Pin, GPIO_PIN_SET);
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HAL_SPI_Receive_DMA(&hspi2, (uint8_t *) RX_Buffer, 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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/* USER CODE END WHILE */
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/* USER CODE BEGIN 3 */
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//HAL_Delay(1000);
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GPIOA->ODR ^= 0x08;
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if (0) {//(USART2->ISR & USART_ISR_RXNE) { //(I2C2->ISR & I2C_ISR_ADDR) {
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uint16_t v = USART2->RDR;
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for(int i = 0; i < 12; i++) mem[i] = v;
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for(int i = 0; i < 12; i+=2) mem[i] = 0xfff;
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//mem[0] = 0xfff; mem[1] = 0xff;
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}
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if(dirty) {
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for (int i = 0; i < 6; ++i) {
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setDAC(i, mem[i * 2]);
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}
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TIM1->CCR1 = 0xFF & mem[1];
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TIM1->CCR2 = 0xFF & mem[3];
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TIM1->CCR3 = 0xFF & mem[5];
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TIM1->CCR4 = 0xFF & mem[7];
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TIM3->CCR1 = 0xFF & mem[9];
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TIM3->CCR2 = 0xFF & mem[11];
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dirty = false;
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}
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}
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/* USER CODE END 3 */
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}
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volatile uint8_t uart_proto_state = 0;
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void USART2_IRQHandler(void)
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{
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if (USART2->ISR & USART_ISR_RXNE)
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{
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uint16_t v = USART2->RDR;
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if (uart_proto_state == 0) {
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uart_proto_state = v;
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if (v == 0) dirty = true;
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}else{
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uint16_t idx = (uart_proto_state - 1) / 2;
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if (idx < sizeof(mem) / sizeof(mem[0]))
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{
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if(uart_proto_state & 1) {
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mem[idx] &= 0x00ff;
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mem[idx] |= (v << 8) & 0xff00;
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}else{
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mem[idx] &= 0xff00;
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mem[idx] |= v & 0x00ff;
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}
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}
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if (uart_proto_state == 128) {
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for(int i = 0; i < 6; i++) {
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mem[i*2+0] = lookup_ana[v];
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mem[i*2+1] = lookup_pwm[v];
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}
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}
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uart_proto_state = 0;
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}
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}
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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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RCC_OscInitTypeDef RCC_OscInitStruct = {0};
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RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
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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.PLLMUL = RCC_PLL_MUL12;
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RCC_OscInitStruct.PLL.PREDIV = RCC_PREDIV_DIV1;
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if(HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) {
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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;
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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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if(HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_1) != HAL_OK) {
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Error_Handler();
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}
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}
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/* USER CODE BEGIN 4 */
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/* USER CODE END 4 */
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/**
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* @brief This function is executed in case of error occurrence.
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* @retval None
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*/
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void Error_Handler(void) {
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/* USER CODE BEGIN Error_Handler_Debug */
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/* User can add his own implementation to report the HAL error return state */
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__disable_irq();
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while (1) {
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}
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/* USER CODE END Error_Handler_Debug */
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}
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#ifdef USE_FULL_ASSERT
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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 assert_failed(uint8_t *file, uint32_t line)
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{
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/* USER CODE BEGIN 6 */
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/* User can add his own implementation to report the file name and line number,
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ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
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/* USER CODE END 6 */
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}
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#endif /* USE_FULL_ASSERT */
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