/* USER CODE BEGIN Header */ /** ****************************************************************************** * @file : main.c * @brief : Main program body ****************************************************************************** * @attention * * Copyright (c) 2022 STMicroelectronics. * All rights reserved. * * This software is licensed under terms that can be found in the LICENSE file * in the root directory of this software component. * If no LICENSE file comes with this software, it is provided AS-IS. * ****************************************************************************** */ /* USER CODE END Header */ /* Includes ------------------------------------------------------------------*/ #include "main.h" #include "crc.h" #include "dma.h" #include "tim.h" #include "gpio.h" /* Private includes ----------------------------------------------------------*/ /* USER CODE BEGIN Includes */ #include #include "spi.h" #include "stm32f0xx_ll_spi.h" /* USER CODE END Includes */ /* Private typedef -----------------------------------------------------------*/ /* USER CODE BEGIN PTD */ /* USER CODE END PTD */ /* Private define ------------------------------------------------------------*/ /* USER CODE BEGIN PD */ /* USER CODE END PD */ /* Private macro -------------------------------------------------------------*/ /* USER CODE BEGIN PM */ /* USER CODE END PM */ /* Private variables ---------------------------------------------------------*/ /* USER CODE BEGIN PV */ /* USER CODE END PV */ /* Private function prototypes -----------------------------------------------*/ void SystemClock_Config(void); /* USER CODE BEGIN PFP */ /* USER CODE END PFP */ /* Private user code ---------------------------------------------------------*/ /* USER CODE BEGIN 0 */ const uint16_t version = 42; bool toggle = false; uint16_t counter = 0; volatile bool dirty = true; //uint16_t mem[12] = {0xFFF, 0xFF, 0xFFF, 0xFF, 0xFFF, 0xFF, 0xFFF, 0xFF, 0xFFF, 0xFF, 0xFFF, 0xFF}; //uint16_t mem[12] = {0x300, 0x40, 0x300, 0x40, 0x300, 0x40, 0x300, 0x40, 0x300, 0x40, 0x300, 0x40}; //uint16_t mem[12] = {0xFFF, 0xFF, 0xFFF, 0xFF, 0xFFF, 0xFF, 0xFFF, 0xFF, 0xFFF, 0xFF, 0xFFF, 0xFF}; //uint16_t mem[12] = {0x300, 0xff, 0x300, 0xff, 0x300, 0xff, 0x300, 0xff, 0x300, 0xff, 0x300, 0xff}; uint16_t mem[12] = {0x000, 0x00, 0x000, 0x00, 0x000, 0x00, 0x000, 0x00, 0x000, 0x00, 0x000, 0x00}; 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}; 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}; uint16_t conf[8] = {version, 0, 0, 0, 0, 0, 0, 0}; #define BUFFER_SIZE 64 uint16_t RX_Buffer[BUFFER_SIZE] = {0}; uint16_t TX_Buffer[BUFFER_SIZE] = {0}; void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin) { } void HAL_SPI_CpltCallback(SPI_HandleTypeDef *hspi) { } void HAL_SPI_RxCpltCallback(SPI_HandleTypeDef *hspi) { HAL_SPI_CpltCallback(hspi); } void HAL_SPI_TxRxCpltCallback(SPI_HandleTypeDef *hspi) { HAL_SPI_CpltCallback(hspi); } void HAL_SPI_TxCpltCallback(SPI_HandleTypeDef *hspi) { HAL_SPI_Transmit_DMA(&hspi2, (uint8_t *) TX_Buffer, 2); } void setDAC(uint8_t channel, uint16_t val) { uint16_t frame = (val & 0x0FFF) | (0x7000 & (channel << 12)); HAL_SPI_Transmit(&hspi1, (uint8_t * ) & frame, 1, 100); } /* USER CODE END 0 */ /** * @brief The application entry point. * @retval int */ int main(void) { /* USER CODE BEGIN 1 */ /* USER CODE END 1 */ /* MCU Configuration--------------------------------------------------------*/ /* Reset of all peripherals, Initializes the Flash interface and the Systick. */ HAL_Init(); /* USER CODE BEGIN Init */ /* USER CODE END Init */ /* Configure the system clock */ SystemClock_Config(); /* USER CODE BEGIN SysInit */ /* USER CODE END SysInit */ /* Initialize all configured peripherals */ MX_GPIO_Init(); MX_CRC_Init(); MX_TIM1_Init(); MX_DMA_Init(); MX_TIM3_Init(); /* USER CODE BEGIN 2 */ MX_SPI1_Init(); //MX_SPI2_Init(); TIM1->ARR = 254; TIM1->CCR1 = 10; TIM1->CCR2 = 10; TIM1->CCR3 = 10; TIM1->CCR4 = 10; TIM1->CCMR1 = 0x6868; TIM1->CCMR2 = 0x6868; TIM1->CCER = 0x1111; TIM1->EGR |= TIM_EGR_UG; TIM1->BDTR |= TIM_BDTR_MOE; TIM1->CR1 |= TIM_CR1_CEN; TIM3->ARR = 254; TIM3->CCR1 = 10; TIM3->CCR2 = 10; TIM3->CCMR1 = 0x6868; // 0x68 = Mode b110 (PWM mode 1), Preload Enable, Output TIM3->CCER = 0x1111; // Enable Caputre/Compare CH4-1 TIM3->EGR |= TIM_EGR_UG; // Reinit Timer TIM3->BDTR |= TIM_BDTR_MOE; // Enable Main Output TIM3->CR1 |= TIM_CR1_CEN; // Enable Counter /* // GPIO CONFIG I2C2 RCC->AHBENR |= RCC_AHBENR_GPIOBEN; // Eneable Clock GPIOB->MODER &= ~(GPIO_MODER_MODER14_Msk | GPIO_MODER_MODER13_Msk); GPIOB->MODER |= GPIO_MODER_MODER14_1 | GPIO_MODER_MODER13_1; // GPIOB 14 & 13 -> Alternate Function GPIOB->AFR[1] &= ~(GPIO_AFRH_AFSEL14_Msk | GPIO_AFRH_AFSEL13_Msk); GPIOB->AFR[1] |= (5 << GPIO_AFRH_AFSEL14_Pos) | (5 << GPIO_AFRH_AFSEL13_Pos); // AF5 (I2C2) GPIOB->OTYPER |= (GPIO_OTYPER_OT_14 | GPIO_OTYPER_OT_13); // Output type: open drain GPIOB->PUPDR &= ~(GPIO_PUPDR_PUPDR14_Msk | GPIO_PUPDR_PUPDR13_Msk); GPIOB->PUPDR |= GPIO_PUPDR_PUPDR14_0 | GPIO_PUPDR_PUPDR13_0; // Enable Internal Pull up // Enable I2C2 RCC->APB1ENR |= RCC_APB1ENR_I2C2EN; // Eneable Clock I2C2->CR1 &= ~I2C_CR1_PE; // Reset Periph. //while(I2C2->CR1 & I2C_CR1_PE) {} I2C2->OAR1 = I2C_OAR1_OA1EN | (5 << 1); // Enable, Addr: 5 I2C2->OAR2 = 0; I2C2->CR1 |= I2C_CR1_NOSTRETCH; //Disable Clock stretching I2C2->CR1 |= I2C_CR1_PE; // Enable Periph */ // GPIO CONFIG UART2 RCC->AHBENR |= RCC_AHBENR_GPIOAEN; GPIOA->MODER &= ~GPIO_MODER_MODER3_Msk; GPIOA->MODER |= GPIO_MODER_MODER3_1; //GPIOA3 Alternate Function GPIOA->AFR[0] &= ~GPIO_AFRL_AFSEL3_Msk; GPIOA->AFR[0] |= 1 << GPIO_AFRL_AFSEL3_Pos; // AF1 -> UART2 GPIOA->OTYPER |= GPIO_OTYPER_OT_3; // Enable UART2 RCC->APB1ENR |= RCC_APB1ENR_USART2EN; USART2->CR1 = 0; USART2->CR2 = 0; USART2->CR3 = 0; USART2->BRR = 48000000 / 115200; //USART2->CR1 = USART_CR1_RE | USART_CR1_UE; USART2->CR1 = USART_CR1_RXNEIE | USART_CR1_RE | USART_CR1_UE; NVIC_EnableIRQ(USART2_IRQn); uint16_t frame = 0b1001000000000000; // DAC128S085: Enable Write Through mode (Instant output change on write) HAL_SPI_Transmit(&hspi1, (uint8_t * ) & frame, 1, 100); for (int i = 0; i < 6; ++i) { setDAC(i, mem[i * 2]); } TIM1->CCR1 = 0xFF & mem[1]; TIM1->CCR2 = 0xFF & mem[3]; TIM1->CCR3 = 0xFF & mem[5]; TIM1->CCR4 = 0xFF & mem[7]; TIM3->CCR1 = 0xFF & mem[9]; TIM3->CCR2 = 0xFF & mem[11]; HAL_GPIO_WritePin(SIGNAL_LED_GPIO_Port, SIGNAL_LED_Pin, GPIO_PIN_SET); HAL_SPI_Receive_DMA(&hspi2, (uint8_t *) RX_Buffer, 1); /* USER CODE END 2 */ /* Infinite loop */ /* USER CODE BEGIN WHILE */ while (1) { /* USER CODE END WHILE */ /* USER CODE BEGIN 3 */ //HAL_Delay(1000); GPIOA->ODR ^= 0x08; if (0) {//(USART2->ISR & USART_ISR_RXNE) { //(I2C2->ISR & I2C_ISR_ADDR) { uint16_t v = USART2->RDR; for(int i = 0; i < 12; i++) mem[i] = v; for(int i = 0; i < 12; i+=2) mem[i] = 0xfff; //mem[0] = 0xfff; mem[1] = 0xff; } if(dirty) { for (int i = 0; i < 6; ++i) { setDAC(i, mem[i * 2]); } TIM1->CCR1 = 0xFF & mem[1]; TIM1->CCR2 = 0xFF & mem[3]; TIM1->CCR3 = 0xFF & mem[5]; TIM1->CCR4 = 0xFF & mem[7]; TIM3->CCR1 = 0xFF & mem[9]; TIM3->CCR2 = 0xFF & mem[11]; dirty = false; } } /* USER CODE END 3 */ } volatile uint8_t uart_proto_state = 0; void USART2_IRQHandler(void) { if (USART2->ISR & USART_ISR_RXNE) { uint16_t v = USART2->RDR; if (uart_proto_state == 0) { uart_proto_state = v; if (v == 0) dirty = true; }else{ uint16_t idx = (uart_proto_state - 1) / 2; if (idx < sizeof(mem) / sizeof(mem[0])) { if(uart_proto_state & 1) { mem[idx] &= 0x00ff; mem[idx] |= (v << 8) & 0xff00; }else{ mem[idx] &= 0xff00; mem[idx] |= v & 0x00ff; } } if (uart_proto_state == 128) { for(int i = 0; i < 6; i++) { mem[i*2+0] = lookup_ana[v]; mem[i*2+1] = lookup_pwm[v]; } } uart_proto_state = 0; } } } /** * @brief System Clock Configuration * @retval None */ void SystemClock_Config(void) { RCC_OscInitTypeDef RCC_OscInitStruct = {0}; RCC_ClkInitTypeDef RCC_ClkInitStruct = {0}; /** Initializes the RCC Oscillators according to the specified parameters * in the RCC_OscInitTypeDef structure. */ RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI; RCC_OscInitStruct.HSIState = RCC_HSI_ON; RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT; RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON; RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI; RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL12; RCC_OscInitStruct.PLL.PREDIV = RCC_PREDIV_DIV1; if(HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) { Error_Handler(); } /** Initializes the CPU, AHB and APB buses clocks */ RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_PCLK1; RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK; RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1; RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1; if(HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_1) != HAL_OK) { Error_Handler(); } } /* 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 */