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 */
45 /* USER CODE END Includes */
47 /* Private variables ---------------------------------------------------------*/
49 PCD_HandleTypeDef hpcd_USB_FS;
51 /* USER CODE BEGIN PV */
52 /* Private variables ---------------------------------------------------------*/
53 USBD_HandleTypeDef USBD_Device;
55 /* USER CODE END PV */
57 /* Private function prototypes -----------------------------------------------*/
58 void SystemClock_Config(void);
59 static void MX_GPIO_Init(void);
60 static void MX_I2C1_Init(void);
61 static void MX_I2C2_Init(void);
62 static void MX_USB_PCD_Init(void);
64 /* USER CODE BEGIN PFP */
65 /* Private function prototypes -----------------------------------------------*/
67 /* USER CODE END PFP */
69 /* USER CODE BEGIN 0 */
74 * @brief The application entry point.
80 /* USER CODE BEGIN 1 */
84 /* MCU Configuration----------------------------------------------------------*/
86 /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
89 /* USER CODE BEGIN Init */
91 /* USER CODE END Init */
93 /* Configure the system clock */
96 /* USER CODE BEGIN SysInit */
98 /* USER CODE END SysInit */
100 /* Initialize all configured peripherals */
105 /* USER CODE BEGIN 2 */
107 /* USER CODE END 2 */
110 /* USER CODE BEGIN WHILE */
113 LL_GPIO_SetOutputPin(LED_GPIO_Port, LED_Pin);
115 LL_GPIO_ResetOutputPin(LED_GPIO_Port, LED_Pin);
118 /* USER CODE END WHILE */
120 /* USER CODE BEGIN 3 */
123 /* USER CODE END 3 */
128 * @brief System Clock Configuration
131 void SystemClock_Config(void)
134 LL_FLASH_SetLatency(LL_FLASH_LATENCY_2);
136 if(LL_FLASH_GetLatency() != LL_FLASH_LATENCY_2)
142 /* Wait till HSE is ready */
143 while(LL_RCC_HSE_IsReady() != 1)
147 LL_RCC_PLL_ConfigDomain_SYS(LL_RCC_PLLSOURCE_HSE_DIV_1, LL_RCC_PLL_MUL_9);
151 /* Wait till PLL is ready */
152 while(LL_RCC_PLL_IsReady() != 1)
156 LL_RCC_SetAHBPrescaler(LL_RCC_SYSCLK_DIV_1);
158 LL_RCC_SetAPB1Prescaler(LL_RCC_APB1_DIV_2);
160 LL_RCC_SetAPB2Prescaler(LL_RCC_APB2_DIV_1);
162 LL_RCC_SetSysClkSource(LL_RCC_SYS_CLKSOURCE_PLL);
164 /* Wait till System clock is ready */
165 while(LL_RCC_GetSysClkSource() != LL_RCC_SYS_CLKSOURCE_STATUS_PLL)
169 LL_Init1msTick(72000000);
171 LL_SYSTICK_SetClkSource(LL_SYSTICK_CLKSOURCE_HCLK);
173 LL_SetSystemCoreClock(72000000);
175 LL_RCC_SetUSBClockSource(LL_RCC_USB_CLKSOURCE_PLL_DIV_1_5);
177 /* SysTick_IRQn interrupt configuration */
178 NVIC_SetPriority(SysTick_IRQn, NVIC_EncodePriority(NVIC_GetPriorityGrouping(),0, 0));
181 /* I2C1 init function */
182 static void MX_I2C1_Init(void)
185 LL_I2C_InitTypeDef I2C_InitStruct;
187 LL_GPIO_InitTypeDef GPIO_InitStruct;
189 /**I2C1 GPIO Configuration
193 GPIO_InitStruct.Pin = LL_GPIO_PIN_6|LL_GPIO_PIN_7;
194 GPIO_InitStruct.Mode = LL_GPIO_MODE_ALTERNATE;
195 GPIO_InitStruct.Speed = LL_GPIO_SPEED_FREQ_HIGH;
196 GPIO_InitStruct.OutputType = LL_GPIO_OUTPUT_OPENDRAIN;
197 LL_GPIO_Init(GPIOB, &GPIO_InitStruct);
199 /* Peripheral clock enable */
200 LL_APB1_GRP1_EnableClock(LL_APB1_GRP1_PERIPH_I2C1);
202 /**I2C Initialization
204 I2C_InitStruct.PeripheralMode = LL_I2C_MODE_I2C;
205 I2C_InitStruct.ClockSpeed = 100000;
206 I2C_InitStruct.DutyCycle = LL_I2C_DUTYCYCLE_2;
207 I2C_InitStruct.OwnAddress1 = 0;
208 I2C_InitStruct.TypeAcknowledge = LL_I2C_ACK;
209 I2C_InitStruct.OwnAddrSize = LL_I2C_OWNADDRESS1_7BIT;
210 LL_I2C_Init(I2C1, &I2C_InitStruct);
212 LL_I2C_SetOwnAddress2(I2C1, 0);
214 LL_I2C_DisableOwnAddress2(I2C1);
216 LL_I2C_DisableGeneralCall(I2C1);
218 LL_I2C_EnableClockStretching(I2C1);
222 /* I2C2 init function */
223 static void MX_I2C2_Init(void)
226 LL_I2C_InitTypeDef I2C_InitStruct;
228 LL_GPIO_InitTypeDef GPIO_InitStruct;
230 /**I2C2 GPIO Configuration
231 PB10 ------> I2C2_SCL
232 PB11 ------> I2C2_SDA
234 GPIO_InitStruct.Pin = LL_GPIO_PIN_10|LL_GPIO_PIN_11;
235 GPIO_InitStruct.Mode = LL_GPIO_MODE_ALTERNATE;
236 GPIO_InitStruct.Speed = LL_GPIO_SPEED_FREQ_HIGH;
237 GPIO_InitStruct.OutputType = LL_GPIO_OUTPUT_OPENDRAIN;
238 LL_GPIO_Init(GPIOB, &GPIO_InitStruct);
240 /* Peripheral clock enable */
241 LL_APB1_GRP1_EnableClock(LL_APB1_GRP1_PERIPH_I2C2);
243 /**I2C Initialization
245 I2C_InitStruct.PeripheralMode = LL_I2C_MODE_I2C;
246 I2C_InitStruct.ClockSpeed = 400000;
247 I2C_InitStruct.DutyCycle = LL_I2C_DUTYCYCLE_2;
248 I2C_InitStruct.OwnAddress1 = 0;
249 I2C_InitStruct.TypeAcknowledge = LL_I2C_ACK;
250 I2C_InitStruct.OwnAddrSize = LL_I2C_OWNADDRESS1_7BIT;
251 LL_I2C_Init(I2C2, &I2C_InitStruct);
253 LL_I2C_SetOwnAddress2(I2C2, 0);
255 LL_I2C_DisableOwnAddress2(I2C2);
257 LL_I2C_DisableGeneralCall(I2C2);
259 LL_I2C_EnableClockStretching(I2C2);
263 /* USB init function */
264 static void MX_USB_PCD_Init(void)
267 hpcd_USB_FS.Instance = USB;
268 hpcd_USB_FS.Init.dev_endpoints = 8;
269 hpcd_USB_FS.Init.speed = PCD_SPEED_FULL;
270 hpcd_USB_FS.Init.ep0_mps = DEP0CTL_MPS_64;
271 hpcd_USB_FS.Init.low_power_enable = DISABLE;
272 hpcd_USB_FS.Init.lpm_enable = DISABLE;
273 hpcd_USB_FS.Init.battery_charging_enable = DISABLE;
274 if (HAL_PCD_Init(&hpcd_USB_FS) != HAL_OK)
276 _Error_Handler(__FILE__, __LINE__);
281 /** Configure pins as
288 static void MX_GPIO_Init(void)
291 LL_GPIO_InitTypeDef GPIO_InitStruct;
293 /* GPIO Ports Clock Enable */
294 LL_APB2_GRP1_EnableClock(LL_APB2_GRP1_PERIPH_GPIOC);
295 LL_APB2_GRP1_EnableClock(LL_APB2_GRP1_PERIPH_GPIOD);
296 LL_APB2_GRP1_EnableClock(LL_APB2_GRP1_PERIPH_GPIOB);
297 LL_APB2_GRP1_EnableClock(LL_APB2_GRP1_PERIPH_GPIOA);
300 LL_GPIO_ResetOutputPin(LED_GPIO_Port, LED_Pin);
303 GPIO_InitStruct.Pin = LED_Pin;
304 GPIO_InitStruct.Mode = LL_GPIO_MODE_OUTPUT;
305 GPIO_InitStruct.Speed = LL_GPIO_SPEED_FREQ_HIGH;
306 GPIO_InitStruct.OutputType = LL_GPIO_OUTPUT_OPENDRAIN;
307 LL_GPIO_Init(LED_GPIO_Port, &GPIO_InitStruct);
310 GPIO_InitStruct.Pin = BMP_DONE_Pin;
311 GPIO_InitStruct.Mode = LL_GPIO_MODE_FLOATING;
312 LL_GPIO_Init(BMP_DONE_GPIO_Port, &GPIO_InitStruct);
316 /* USER CODE BEGIN 4 */
318 /* USER CODE END 4 */
321 * @brief This function is executed in case of error occurrence.
322 * @param file: The file name as string.
323 * @param line: The line in file as a number.
326 void _Error_Handler(char *file, int line)
328 /* USER CODE BEGIN Error_Handler_Debug */
329 /* User can add his own implementation to report the HAL error return state */
333 /* USER CODE END Error_Handler_Debug */
336 #ifdef USE_FULL_ASSERT
338 * @brief Reports the name of the source file and the source line number
339 * where the assert_param error has occurred.
340 * @param file: pointer to the source file name
341 * @param line: assert_param error line source number
344 void assert_failed(uint8_t* file, uint32_t line)
346 /* USER CODE BEGIN 6 */
347 /* User can add his own implementation to report the file name and line number,
348 tex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
349 /* USER CODE END 6 */
351 #endif /* USE_FULL_ASSERT */
361 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/