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;
56 /* USER CODE BEGIN PV */
57 /* Private variables ---------------------------------------------------------*/
60 /* USER CODE END PV */
62 /* Private function prototypes -----------------------------------------------*/
63 void SystemClock_Config(void);
64 static void MX_GPIO_Init(void);
65 static void MX_USB_PCD_Init(void);
66 static void MX_TIM4_Init(void);
67 static void MX_USART1_UART_Init(void);
69 /* USER CODE BEGIN PFP */
70 /* Private function prototypes -----------------------------------------------*/
72 /* USER CODE END PFP */
74 /* USER CODE BEGIN 0 */
79 * @brief The application entry point.
85 /* USER CODE BEGIN 1 */
89 /* MCU Configuration----------------------------------------------------------*/
91 /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
94 /* USER CODE BEGIN Init */
96 /* USER CODE END Init */
98 /* Configure the system clock */
101 /* USER CODE BEGIN SysInit */
102 usb_init(&usb, &hpcd_USB_FS);
104 /* USER CODE END SysInit */
106 /* Initialize all configured peripherals */
109 // A hack to let USB host reset us
110 LL_GPIO_InitTypeDef gpio;
111 gpio.Pin = LL_GPIO_PIN_12 | LL_GPIO_PIN_13;
112 gpio.Mode = LL_GPIO_MODE_OUTPUT;
113 gpio.Speed = LL_GPIO_SPEED_FREQ_HIGH;
114 gpio.OutputType = LL_GPIO_OUTPUT_OPENDRAIN;
115 LL_GPIO_Init(GPIOA, &gpio);
116 LL_GPIO_ResetOutputPin(GPIOA, LL_GPIO_PIN_12);
117 LL_GPIO_ResetOutputPin(GPIOA, LL_GPIO_PIN_13);
122 MX_USART1_UART_Init();
123 /* USER CODE BEGIN 2 */
126 LL_TIM_EnableCounter(TIM4);
127 LL_TIM_EnableIT_UPDATE(TIM4);
128 LL_TIM_GenerateEvent_UPDATE(TIM4);
130 /* USER CODE END 2 */
133 /* USER CODE BEGIN WHILE */
136 static byte led_state;
139 LL_GPIO_SetOutputPin(LED_GPIO_Port, LED_Pin);
140 LL_GPIO_SetOutputPin(SSR1_GPIO_Port, SSR1_Pin);
141 LL_GPIO_SetOutputPin(SSR2_GPIO_Port, SSR2_Pin);
142 LL_GPIO_SetOutputPin(SSR3_GPIO_Port, SSR3_Pin);
143 LL_GPIO_SetOutputPin(SSR4_GPIO_Port, SSR4_Pin);
147 LL_GPIO_ResetOutputPin(LED_GPIO_Port, LED_Pin);
152 LL_GPIO_ResetOutputPin(SSR1_GPIO_Port, SSR1_Pin);
155 LL_GPIO_ResetOutputPin(SSR2_GPIO_Port, SSR2_Pin);
158 LL_GPIO_ResetOutputPin(SSR3_GPIO_Port, SSR3_Pin);
161 LL_GPIO_ResetOutputPin(SSR4_GPIO_Port, SSR4_Pin);
168 if (rx_packet_state == 1 && !tx_packet_state)
171 put_u32_be(tx_packet, 42);
172 usb_ep_send(&usb, 0x82, tx_packet, 12);
174 usb_ep_receive(&usb, 0x01, rx_packet, 64);
177 // debug_printf("Counter = %d\n", cnt);
182 /* USER CODE END WHILE */
184 /* USER CODE BEGIN 3 */
187 /* USER CODE END 3 */
192 * @brief System Clock Configuration
195 void SystemClock_Config(void)
198 LL_FLASH_SetLatency(LL_FLASH_LATENCY_2);
200 if(LL_FLASH_GetLatency() != LL_FLASH_LATENCY_2)
206 /* Wait till HSE is ready */
207 while(LL_RCC_HSE_IsReady() != 1)
211 LL_RCC_PLL_ConfigDomain_SYS(LL_RCC_PLLSOURCE_HSE_DIV_1, LL_RCC_PLL_MUL_9);
215 /* Wait till PLL is ready */
216 while(LL_RCC_PLL_IsReady() != 1)
220 LL_RCC_SetAHBPrescaler(LL_RCC_SYSCLK_DIV_1);
222 LL_RCC_SetAPB1Prescaler(LL_RCC_APB1_DIV_2);
224 LL_RCC_SetAPB2Prescaler(LL_RCC_APB2_DIV_1);
226 LL_RCC_SetSysClkSource(LL_RCC_SYS_CLKSOURCE_PLL);
228 /* Wait till System clock is ready */
229 while(LL_RCC_GetSysClkSource() != LL_RCC_SYS_CLKSOURCE_STATUS_PLL)
233 LL_Init1msTick(72000000);
235 LL_SYSTICK_SetClkSource(LL_SYSTICK_CLKSOURCE_HCLK);
237 LL_SetSystemCoreClock(72000000);
239 LL_RCC_SetUSBClockSource(LL_RCC_USB_CLKSOURCE_PLL_DIV_1_5);
241 /* SysTick_IRQn interrupt configuration */
242 NVIC_SetPriority(SysTick_IRQn, NVIC_EncodePriority(NVIC_GetPriorityGrouping(),0, 0));
245 /* TIM4 init function */
246 static void MX_TIM4_Init(void)
249 LL_TIM_InitTypeDef TIM_InitStruct;
250 LL_TIM_OC_InitTypeDef TIM_OC_InitStruct;
252 /* Peripheral clock enable */
253 LL_APB1_GRP1_EnableClock(LL_APB1_GRP1_PERIPH_TIM4);
255 /* TIM4 interrupt Init */
256 NVIC_SetPriority(TIM4_IRQn, NVIC_EncodePriority(NVIC_GetPriorityGrouping(),0, 0));
257 NVIC_EnableIRQ(TIM4_IRQn);
259 TIM_InitStruct.Prescaler = 7200;
260 TIM_InitStruct.CounterMode = LL_TIM_COUNTERMODE_UP;
261 TIM_InitStruct.Autoreload = 1000;
262 TIM_InitStruct.ClockDivision = LL_TIM_CLOCKDIVISION_DIV1;
263 LL_TIM_Init(TIM4, &TIM_InitStruct);
265 LL_TIM_DisableARRPreload(TIM4);
267 LL_TIM_SetClockSource(TIM4, LL_TIM_CLOCKSOURCE_INTERNAL);
269 TIM_OC_InitStruct.OCMode = LL_TIM_OCMODE_FROZEN;
270 TIM_OC_InitStruct.OCState = LL_TIM_OCSTATE_DISABLE;
271 TIM_OC_InitStruct.OCNState = LL_TIM_OCSTATE_DISABLE;
272 TIM_OC_InitStruct.CompareValue = 0;
273 TIM_OC_InitStruct.OCPolarity = LL_TIM_OCPOLARITY_HIGH;
274 LL_TIM_OC_Init(TIM4, LL_TIM_CHANNEL_CH1, &TIM_OC_InitStruct);
276 LL_TIM_OC_DisableFast(TIM4, LL_TIM_CHANNEL_CH1);
278 LL_TIM_SetTriggerOutput(TIM4, LL_TIM_TRGO_RESET);
280 LL_TIM_DisableMasterSlaveMode(TIM4);
284 /* USART1 init function */
285 static void MX_USART1_UART_Init(void)
288 LL_USART_InitTypeDef USART_InitStruct;
290 LL_GPIO_InitTypeDef GPIO_InitStruct;
292 /* Peripheral clock enable */
293 LL_APB2_GRP1_EnableClock(LL_APB2_GRP1_PERIPH_USART1);
295 /**USART1 GPIO Configuration
296 PA9 ------> USART1_TX
297 PA10 ------> USART1_RX
299 GPIO_InitStruct.Pin = LL_GPIO_PIN_9;
300 GPIO_InitStruct.Mode = LL_GPIO_MODE_ALTERNATE;
301 GPIO_InitStruct.Speed = LL_GPIO_SPEED_FREQ_HIGH;
302 GPIO_InitStruct.OutputType = LL_GPIO_OUTPUT_PUSHPULL;
303 LL_GPIO_Init(GPIOA, &GPIO_InitStruct);
305 GPIO_InitStruct.Pin = LL_GPIO_PIN_10;
306 GPIO_InitStruct.Mode = LL_GPIO_MODE_FLOATING;
307 LL_GPIO_Init(GPIOA, &GPIO_InitStruct);
309 USART_InitStruct.BaudRate = 115200;
310 USART_InitStruct.DataWidth = LL_USART_DATAWIDTH_8B;
311 USART_InitStruct.StopBits = LL_USART_STOPBITS_1;
312 USART_InitStruct.Parity = LL_USART_PARITY_NONE;
313 USART_InitStruct.TransferDirection = LL_USART_DIRECTION_TX_RX;
314 USART_InitStruct.HardwareFlowControl = LL_USART_HWCONTROL_NONE;
315 LL_USART_Init(USART1, &USART_InitStruct);
317 LL_USART_ConfigAsyncMode(USART1);
319 LL_USART_Enable(USART1);
323 /* USB init function */
324 static void MX_USB_PCD_Init(void)
327 hpcd_USB_FS.Instance = USB;
328 hpcd_USB_FS.Init.dev_endpoints = 8;
329 hpcd_USB_FS.Init.speed = PCD_SPEED_FULL;
330 hpcd_USB_FS.Init.ep0_mps = DEP0CTL_MPS_64;
331 hpcd_USB_FS.Init.low_power_enable = DISABLE;
332 hpcd_USB_FS.Init.lpm_enable = DISABLE;
333 hpcd_USB_FS.Init.battery_charging_enable = DISABLE;
334 if (HAL_PCD_Init(&hpcd_USB_FS) != HAL_OK)
336 _Error_Handler(__FILE__, __LINE__);
341 /** Configure pins as
348 static void MX_GPIO_Init(void)
351 LL_GPIO_InitTypeDef GPIO_InitStruct;
353 /* GPIO Ports Clock Enable */
354 LL_APB2_GRP1_EnableClock(LL_APB2_GRP1_PERIPH_GPIOC);
355 LL_APB2_GRP1_EnableClock(LL_APB2_GRP1_PERIPH_GPIOD);
356 LL_APB2_GRP1_EnableClock(LL_APB2_GRP1_PERIPH_GPIOB);
357 LL_APB2_GRP1_EnableClock(LL_APB2_GRP1_PERIPH_GPIOA);
359 /* LED output is OC, active low, defaults to high */
360 LL_GPIO_SetOutputPin(LED_GPIO_Port, LED_Pin);
362 /* SSR outputs are OC, active low, default to high */
363 LL_GPIO_SetOutputPin(GPIOB, SSR3_Pin|SSR4_Pin|SSR1_Pin|SSR2_Pin);
366 GPIO_InitStruct.Pin = LED_Pin;
367 GPIO_InitStruct.Mode = LL_GPIO_MODE_OUTPUT;
368 GPIO_InitStruct.Speed = LL_GPIO_SPEED_FREQ_HIGH;
369 GPIO_InitStruct.OutputType = LL_GPIO_OUTPUT_OPENDRAIN;
370 LL_GPIO_Init(LED_GPIO_Port, &GPIO_InitStruct);
373 GPIO_InitStruct.Pin = SSR3_Pin|SSR4_Pin|SSR1_Pin|SSR2_Pin;
374 GPIO_InitStruct.Mode = LL_GPIO_MODE_OUTPUT;
375 GPIO_InitStruct.Speed = LL_GPIO_SPEED_FREQ_LOW;
376 GPIO_InitStruct.OutputType = LL_GPIO_OUTPUT_OPENDRAIN;
377 LL_GPIO_Init(GPIOB, &GPIO_InitStruct);
381 /* USER CODE BEGIN 4 */
383 /* USER CODE END 4 */
386 * @brief This function is executed in case of error occurrence.
387 * @param file: The file name as string.
388 * @param line: The line in file as a number.
391 void _Error_Handler(char *file, int line)
393 /* USER CODE BEGIN Error_Handler_Debug */
394 /* User can add his own implementation to report the HAL error return state */
398 /* USER CODE END Error_Handler_Debug */
401 #ifdef USE_FULL_ASSERT
403 * @brief Reports the name of the source file and the source line number
404 * where the assert_param error has occurred.
405 * @param file: pointer to the source file name
406 * @param line: assert_param error line source number
409 void assert_failed(uint8_t* file, uint32_t line)
411 /* USER CODE BEGIN 6 */
412 /* User can add his own implementation to report the file name and line number,
413 tex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
414 /* USER CODE END 6 */
416 #endif /* USE_FULL_ASSERT */
426 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/