3 ******************************************************************************
5 * @brief : Main program body
6 ******************************************************************************
7 ** This notice applies to any and all portions of this file
8 * that are not between comment pairs USER CODE BEGIN and
9 * USER CODE END. Other portions of this file, whether
10 * inserted by the user or by software development tools
11 * are owned by their respective copyright owners.
13 * COPYRIGHT(c) 2018 STMicroelectronics
15 * Redistribution and use in source and binary forms, with or without modification,
16 * are permitted provided that the following conditions are met:
17 * 1. Redistributions of source code must retain the above copyright notice,
18 * this list of conditions and the following disclaimer.
19 * 2. Redistributions in binary form must reproduce the above copyright notice,
20 * this list of conditions and the following disclaimer in the documentation
21 * and/or other materials provided with the distribution.
22 * 3. Neither the name of STMicroelectronics nor the names of its contributors
23 * may be used to endorse or promote products derived from this software
24 * without specific prior written permission.
26 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
27 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
29 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
30 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
32 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
33 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
34 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
35 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
37 ******************************************************************************
39 /* Includes ------------------------------------------------------------------*/
41 #include "stm32f1xx_hal.h"
43 /* USER CODE BEGIN Includes */
50 /* USER CODE END Includes */
52 /* Private variables ---------------------------------------------------------*/
54 PCD_HandleTypeDef hpcd_USB_FS;
55 volatile byte led_trigger;
57 /* USER CODE BEGIN PV */
58 /* Private variables ---------------------------------------------------------*/
61 /* USER CODE END PV */
63 /* Private function prototypes -----------------------------------------------*/
64 void SystemClock_Config(void);
65 static void MX_GPIO_Init(void);
66 static void MX_USB_PCD_Init(void);
67 static void MX_TIM4_Init(void);
68 static void MX_USART1_UART_Init(void);
70 /* USER CODE BEGIN PFP */
71 /* Private function prototypes -----------------------------------------------*/
73 /* USER CODE END PFP */
75 /* USER CODE BEGIN 0 */
77 static void process_packet(void)
79 uint cmd = get_u32_be(rx_packet);
80 uint arg = get_u32_be(rx_packet+4);
81 debug_printf("<< cmd %08x %08x\n", cmd, arg);
83 memset(tx_packet, 0, sizeof(tx_packet));
84 put_u32_be(tx_packet, 1);
92 LL_GPIO_ResetOutputPin(SSR1_GPIO_Port, SSR1_Pin);
94 LL_GPIO_SetOutputPin(SSR1_GPIO_Port, SSR1_Pin);
96 LL_GPIO_ResetOutputPin(SSR2_GPIO_Port, SSR2_Pin);
98 LL_GPIO_SetOutputPin(SSR2_GPIO_Port, SSR2_Pin);
100 LL_GPIO_ResetOutputPin(SSR3_GPIO_Port, SSR3_Pin);
102 LL_GPIO_SetOutputPin(SSR3_GPIO_Port, SSR3_Pin);
104 LL_GPIO_ResetOutputPin(SSR4_GPIO_Port, SSR4_Pin);
106 LL_GPIO_SetOutputPin(SSR4_GPIO_Port, SSR4_Pin);
107 put_u32_be(tx_packet, 0);
112 debug_printf(">> status %08x\n", get_u32_be(tx_packet));
115 /* USER CODE END 0 */
118 * @brief The application entry point.
124 /* USER CODE BEGIN 1 */
126 /* USER CODE END 1 */
128 /* MCU Configuration----------------------------------------------------------*/
130 /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
133 /* USER CODE BEGIN Init */
135 /* USER CODE END Init */
137 /* Configure the system clock */
138 SystemClock_Config();
140 /* USER CODE BEGIN SysInit */
141 usb_init(&usb, &hpcd_USB_FS);
143 /* USER CODE END SysInit */
145 /* Initialize all configured peripherals */
148 // A hack to let USB host reset us
149 LL_GPIO_InitTypeDef gpio;
150 gpio.Pin = LL_GPIO_PIN_12 | LL_GPIO_PIN_13;
151 gpio.Mode = LL_GPIO_MODE_OUTPUT;
152 gpio.Speed = LL_GPIO_SPEED_FREQ_HIGH;
153 gpio.OutputType = LL_GPIO_OUTPUT_OPENDRAIN;
154 LL_GPIO_Init(GPIOA, &gpio);
155 LL_GPIO_ResetOutputPin(GPIOA, LL_GPIO_PIN_12);
156 LL_GPIO_ResetOutputPin(GPIOA, LL_GPIO_PIN_13);
161 MX_USART1_UART_Init();
162 /* USER CODE BEGIN 2 */
165 LL_TIM_EnableCounter(TIM4);
166 LL_TIM_EnableIT_UPDATE(TIM4);
167 LL_TIM_GenerateEvent_UPDATE(TIM4);
169 /* USER CODE END 2 */
172 /* USER CODE BEGIN WHILE */
178 static byte led_state;
180 LL_GPIO_SetOutputPin(LED_GPIO_Port, LED_Pin);
182 LL_GPIO_ResetOutputPin(LED_GPIO_Port, LED_Pin);
186 if (rx_packet_state == 1 && !tx_packet_state)
190 usb_ep_send(&usb, 0x82, tx_packet, 12);
192 usb_ep_receive(&usb, 0x01, rx_packet, 64);
197 debug_printf("Counter = %d\n", cnt);
204 /* USER CODE END WHILE */
206 /* USER CODE BEGIN 3 */
209 /* USER CODE END 3 */
214 * @brief System Clock Configuration
217 void SystemClock_Config(void)
220 LL_FLASH_SetLatency(LL_FLASH_LATENCY_2);
222 if(LL_FLASH_GetLatency() != LL_FLASH_LATENCY_2)
228 /* Wait till HSE is ready */
229 while(LL_RCC_HSE_IsReady() != 1)
233 LL_RCC_PLL_ConfigDomain_SYS(LL_RCC_PLLSOURCE_HSE_DIV_1, LL_RCC_PLL_MUL_9);
237 /* Wait till PLL is ready */
238 while(LL_RCC_PLL_IsReady() != 1)
242 LL_RCC_SetAHBPrescaler(LL_RCC_SYSCLK_DIV_1);
244 LL_RCC_SetAPB1Prescaler(LL_RCC_APB1_DIV_2);
246 LL_RCC_SetAPB2Prescaler(LL_RCC_APB2_DIV_1);
248 LL_RCC_SetSysClkSource(LL_RCC_SYS_CLKSOURCE_PLL);
250 /* Wait till System clock is ready */
251 while(LL_RCC_GetSysClkSource() != LL_RCC_SYS_CLKSOURCE_STATUS_PLL)
255 LL_Init1msTick(72000000);
257 LL_SYSTICK_SetClkSource(LL_SYSTICK_CLKSOURCE_HCLK);
259 LL_SetSystemCoreClock(72000000);
261 LL_RCC_SetUSBClockSource(LL_RCC_USB_CLKSOURCE_PLL_DIV_1_5);
263 /* SysTick_IRQn interrupt configuration */
264 NVIC_SetPriority(SysTick_IRQn, NVIC_EncodePriority(NVIC_GetPriorityGrouping(),0, 0));
267 /* TIM4 init function */
268 static void MX_TIM4_Init(void)
271 LL_TIM_InitTypeDef TIM_InitStruct;
272 LL_TIM_OC_InitTypeDef TIM_OC_InitStruct;
274 /* Peripheral clock enable */
275 LL_APB1_GRP1_EnableClock(LL_APB1_GRP1_PERIPH_TIM4);
277 /* TIM4 interrupt Init */
278 NVIC_SetPriority(TIM4_IRQn, NVIC_EncodePriority(NVIC_GetPriorityGrouping(),0, 0));
279 NVIC_EnableIRQ(TIM4_IRQn);
281 TIM_InitStruct.Prescaler = 7200;
282 TIM_InitStruct.CounterMode = LL_TIM_COUNTERMODE_UP;
283 TIM_InitStruct.Autoreload = 1000;
284 TIM_InitStruct.ClockDivision = LL_TIM_CLOCKDIVISION_DIV1;
285 LL_TIM_Init(TIM4, &TIM_InitStruct);
287 LL_TIM_DisableARRPreload(TIM4);
289 LL_TIM_SetClockSource(TIM4, LL_TIM_CLOCKSOURCE_INTERNAL);
291 TIM_OC_InitStruct.OCMode = LL_TIM_OCMODE_FROZEN;
292 TIM_OC_InitStruct.OCState = LL_TIM_OCSTATE_DISABLE;
293 TIM_OC_InitStruct.OCNState = LL_TIM_OCSTATE_DISABLE;
294 TIM_OC_InitStruct.CompareValue = 0;
295 TIM_OC_InitStruct.OCPolarity = LL_TIM_OCPOLARITY_HIGH;
296 LL_TIM_OC_Init(TIM4, LL_TIM_CHANNEL_CH1, &TIM_OC_InitStruct);
298 LL_TIM_OC_DisableFast(TIM4, LL_TIM_CHANNEL_CH1);
300 LL_TIM_SetTriggerOutput(TIM4, LL_TIM_TRGO_RESET);
302 LL_TIM_DisableMasterSlaveMode(TIM4);
306 /* USART1 init function */
307 static void MX_USART1_UART_Init(void)
310 LL_USART_InitTypeDef USART_InitStruct;
312 LL_GPIO_InitTypeDef GPIO_InitStruct;
314 /* Peripheral clock enable */
315 LL_APB2_GRP1_EnableClock(LL_APB2_GRP1_PERIPH_USART1);
317 /**USART1 GPIO Configuration
318 PA9 ------> USART1_TX
319 PA10 ------> USART1_RX
321 GPIO_InitStruct.Pin = LL_GPIO_PIN_9;
322 GPIO_InitStruct.Mode = LL_GPIO_MODE_ALTERNATE;
323 GPIO_InitStruct.Speed = LL_GPIO_SPEED_FREQ_HIGH;
324 GPIO_InitStruct.OutputType = LL_GPIO_OUTPUT_PUSHPULL;
325 LL_GPIO_Init(GPIOA, &GPIO_InitStruct);
327 GPIO_InitStruct.Pin = LL_GPIO_PIN_10;
328 GPIO_InitStruct.Mode = LL_GPIO_MODE_FLOATING;
329 LL_GPIO_Init(GPIOA, &GPIO_InitStruct);
331 USART_InitStruct.BaudRate = 115200;
332 USART_InitStruct.DataWidth = LL_USART_DATAWIDTH_8B;
333 USART_InitStruct.StopBits = LL_USART_STOPBITS_1;
334 USART_InitStruct.Parity = LL_USART_PARITY_NONE;
335 USART_InitStruct.TransferDirection = LL_USART_DIRECTION_TX_RX;
336 USART_InitStruct.HardwareFlowControl = LL_USART_HWCONTROL_NONE;
337 LL_USART_Init(USART1, &USART_InitStruct);
339 LL_USART_ConfigAsyncMode(USART1);
341 LL_USART_Enable(USART1);
345 /* USB init function */
346 static void MX_USB_PCD_Init(void)
349 hpcd_USB_FS.Instance = USB;
350 hpcd_USB_FS.Init.dev_endpoints = 8;
351 hpcd_USB_FS.Init.speed = PCD_SPEED_FULL;
352 hpcd_USB_FS.Init.ep0_mps = DEP0CTL_MPS_64;
353 hpcd_USB_FS.Init.low_power_enable = DISABLE;
354 hpcd_USB_FS.Init.lpm_enable = DISABLE;
355 hpcd_USB_FS.Init.battery_charging_enable = DISABLE;
356 if (HAL_PCD_Init(&hpcd_USB_FS) != HAL_OK)
358 _Error_Handler(__FILE__, __LINE__);
363 /** Configure pins as
370 static void MX_GPIO_Init(void)
373 LL_GPIO_InitTypeDef GPIO_InitStruct;
375 /* GPIO Ports Clock Enable */
376 LL_APB2_GRP1_EnableClock(LL_APB2_GRP1_PERIPH_GPIOC);
377 LL_APB2_GRP1_EnableClock(LL_APB2_GRP1_PERIPH_GPIOD);
378 LL_APB2_GRP1_EnableClock(LL_APB2_GRP1_PERIPH_GPIOB);
379 LL_APB2_GRP1_EnableClock(LL_APB2_GRP1_PERIPH_GPIOA);
381 /* LED output is OC, active low, defaults to high */
382 LL_GPIO_SetOutputPin(LED_GPIO_Port, LED_Pin);
384 /* SSR outputs are OC, active low, default to high */
385 LL_GPIO_SetOutputPin(GPIOB, SSR3_Pin|SSR4_Pin|SSR1_Pin|SSR2_Pin);
388 GPIO_InitStruct.Pin = LED_Pin;
389 GPIO_InitStruct.Mode = LL_GPIO_MODE_OUTPUT;
390 GPIO_InitStruct.Speed = LL_GPIO_SPEED_FREQ_HIGH;
391 GPIO_InitStruct.OutputType = LL_GPIO_OUTPUT_OPENDRAIN;
392 LL_GPIO_Init(LED_GPIO_Port, &GPIO_InitStruct);
395 GPIO_InitStruct.Pin = SSR3_Pin|SSR4_Pin|SSR1_Pin|SSR2_Pin;
396 GPIO_InitStruct.Mode = LL_GPIO_MODE_OUTPUT;
397 GPIO_InitStruct.Speed = LL_GPIO_SPEED_FREQ_LOW;
398 GPIO_InitStruct.OutputType = LL_GPIO_OUTPUT_OPENDRAIN;
399 LL_GPIO_Init(GPIOB, &GPIO_InitStruct);
403 /* USER CODE BEGIN 4 */
405 /* USER CODE END 4 */
408 * @brief This function is executed in case of error occurrence.
409 * @param file: The file name as string.
410 * @param line: The line in file as a number.
413 void _Error_Handler(char *file, int line)
415 /* USER CODE BEGIN Error_Handler_Debug */
416 /* User can add his own implementation to report the HAL error return state */
420 /* USER CODE END Error_Handler_Debug */
423 #ifdef USE_FULL_ASSERT
425 * @brief Reports the name of the source file and the source line number
426 * where the assert_param error has occurred.
427 * @param file: pointer to the source file name
428 * @param line: assert_param error line source number
431 void assert_failed(uint8_t* file, uint32_t line)
433 /* USER CODE BEGIN 6 */
434 /* User can add his own implementation to report the file name and line number,
435 tex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
436 /* USER CODE END 6 */
438 #endif /* USE_FULL_ASSERT */
448 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/