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 ---------------------------------------------------------*/
59 volatile byte timer_ticked;
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_DMA_Init(void);
67 static void MX_USB_PCD_Init(void);
68 static void MX_TIM4_Init(void);
69 static void MX_USART1_UART_Init(void);
70 static void MX_TIM3_Init(void);
72 /* USER CODE BEGIN PFP */
73 /* Private function prototypes -----------------------------------------------*/
75 /* USER CODE END PFP */
77 /* USER CODE BEGIN 0 */
79 static void process_packet(void)
81 uint cmd = get_u32_be(rx_packet);
82 uint arg = get_u32_be(rx_packet+4);
83 debug_printf("<< cmd %08x %08x\n", cmd, arg);
85 memset(tx_packet, 0, sizeof(tx_packet));
86 put_u32_be(tx_packet, 1);
94 LL_GPIO_ResetOutputPin(SSR1_GPIO_Port, SSR1_Pin);
96 LL_GPIO_SetOutputPin(SSR1_GPIO_Port, SSR1_Pin);
98 LL_GPIO_ResetOutputPin(SSR2_GPIO_Port, SSR2_Pin);
100 LL_GPIO_SetOutputPin(SSR2_GPIO_Port, SSR2_Pin);
102 LL_GPIO_ResetOutputPin(SSR3_GPIO_Port, SSR3_Pin);
104 LL_GPIO_SetOutputPin(SSR3_GPIO_Port, SSR3_Pin);
106 LL_GPIO_ResetOutputPin(SSR4_GPIO_Port, SSR4_Pin);
108 LL_GPIO_SetOutputPin(SSR4_GPIO_Port, SSR4_Pin);
109 put_u32_be(tx_packet, 0);
114 put_u32_be(tx_packet, 0);
115 put_u32_be(tx_packet+4, ds_current_temp);
119 debug_printf(">> status %08x\n", get_u32_be(tx_packet));
122 /* USER CODE END 0 */
125 * @brief The application entry point.
131 /* USER CODE BEGIN 1 */
133 /* USER CODE END 1 */
135 /* MCU Configuration----------------------------------------------------------*/
137 /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
140 /* USER CODE BEGIN Init */
142 /* USER CODE END Init */
144 /* Configure the system clock */
145 SystemClock_Config();
147 /* USER CODE BEGIN SysInit */
148 usb_init(&usb, &hpcd_USB_FS);
150 /* USER CODE END SysInit */
152 /* Initialize all configured peripherals */
156 // A hack to let USB host reset us
157 LL_GPIO_InitTypeDef gpio;
158 gpio.Pin = LL_GPIO_PIN_12 | LL_GPIO_PIN_13;
159 gpio.Mode = LL_GPIO_MODE_OUTPUT;
160 gpio.Speed = LL_GPIO_SPEED_FREQ_HIGH;
161 gpio.OutputType = LL_GPIO_OUTPUT_OPENDRAIN;
162 LL_GPIO_Init(GPIOA, &gpio);
163 LL_GPIO_ResetOutputPin(GPIOA, LL_GPIO_PIN_12);
164 LL_GPIO_ResetOutputPin(GPIOA, LL_GPIO_PIN_13);
169 MX_USART1_UART_Init();
171 /* USER CODE BEGIN 2 */
174 LL_TIM_EnableCounter(TIM4);
175 LL_TIM_EnableIT_UPDATE(TIM4);
176 LL_TIM_GenerateEvent_UPDATE(TIM4);
180 /* USER CODE END 2 */
183 /* USER CODE BEGIN WHILE */
189 static byte led_state;
191 LL_GPIO_SetOutputPin(LED_GPIO_Port, LED_Pin);
193 LL_GPIO_ResetOutputPin(LED_GPIO_Port, LED_Pin);
198 if (rx_packet_state == 1 && !tx_packet_state)
202 usb_ep_send(&usb, 0x82, tx_packet, 12);
204 usb_ep_receive(&usb, 0x01, rx_packet, 64);
209 debug_printf("Counter = %d\n", cnt);
216 /* USER CODE END WHILE */
218 /* USER CODE BEGIN 3 */
221 /* USER CODE END 3 */
226 * @brief System Clock Configuration
229 void SystemClock_Config(void)
232 LL_FLASH_SetLatency(LL_FLASH_LATENCY_2);
234 if(LL_FLASH_GetLatency() != LL_FLASH_LATENCY_2)
240 /* Wait till HSE is ready */
241 while(LL_RCC_HSE_IsReady() != 1)
245 LL_RCC_PLL_ConfigDomain_SYS(LL_RCC_PLLSOURCE_HSE_DIV_1, LL_RCC_PLL_MUL_9);
249 /* Wait till PLL is ready */
250 while(LL_RCC_PLL_IsReady() != 1)
254 LL_RCC_SetAHBPrescaler(LL_RCC_SYSCLK_DIV_1);
256 LL_RCC_SetAPB1Prescaler(LL_RCC_APB1_DIV_2);
258 LL_RCC_SetAPB2Prescaler(LL_RCC_APB2_DIV_1);
260 LL_RCC_SetSysClkSource(LL_RCC_SYS_CLKSOURCE_PLL);
262 /* Wait till System clock is ready */
263 while(LL_RCC_GetSysClkSource() != LL_RCC_SYS_CLKSOURCE_STATUS_PLL)
267 LL_Init1msTick(72000000);
269 LL_SYSTICK_SetClkSource(LL_SYSTICK_CLKSOURCE_HCLK);
271 LL_SetSystemCoreClock(72000000);
273 LL_RCC_SetUSBClockSource(LL_RCC_USB_CLKSOURCE_PLL_DIV_1_5);
275 /* SysTick_IRQn interrupt configuration */
276 NVIC_SetPriority(SysTick_IRQn, NVIC_EncodePriority(NVIC_GetPriorityGrouping(),0, 0));
279 /* TIM3 init function */
280 static void MX_TIM3_Init(void)
283 LL_TIM_InitTypeDef TIM_InitStruct;
284 LL_TIM_OC_InitTypeDef TIM_OC_InitStruct;
286 LL_GPIO_InitTypeDef GPIO_InitStruct;
288 /* Peripheral clock enable */
289 LL_APB1_GRP1_EnableClock(LL_APB1_GRP1_PERIPH_TIM3);
293 /* TIM3_CH1_TRIG Init */
294 LL_DMA_SetDataTransferDirection(DMA1, LL_DMA_CHANNEL_6, LL_DMA_DIRECTION_PERIPH_TO_MEMORY);
296 LL_DMA_SetChannelPriorityLevel(DMA1, LL_DMA_CHANNEL_6, LL_DMA_PRIORITY_VERYHIGH);
298 LL_DMA_SetMode(DMA1, LL_DMA_CHANNEL_6, LL_DMA_MODE_NORMAL);
300 LL_DMA_SetPeriphIncMode(DMA1, LL_DMA_CHANNEL_6, LL_DMA_PERIPH_NOINCREMENT);
302 LL_DMA_SetMemoryIncMode(DMA1, LL_DMA_CHANNEL_6, LL_DMA_MEMORY_INCREMENT);
304 LL_DMA_SetPeriphSize(DMA1, LL_DMA_CHANNEL_6, LL_DMA_PDATAALIGN_HALFWORD);
306 LL_DMA_SetMemorySize(DMA1, LL_DMA_CHANNEL_6, LL_DMA_MDATAALIGN_HALFWORD);
308 /* TIM3 interrupt Init */
309 NVIC_SetPriority(TIM3_IRQn, NVIC_EncodePriority(NVIC_GetPriorityGrouping(),0, 0));
310 NVIC_EnableIRQ(TIM3_IRQn);
312 TIM_InitStruct.Prescaler = 71;
313 TIM_InitStruct.CounterMode = LL_TIM_COUNTERMODE_UP;
314 TIM_InitStruct.Autoreload = 0;
315 TIM_InitStruct.ClockDivision = LL_TIM_CLOCKDIVISION_DIV1;
316 LL_TIM_Init(TIM3, &TIM_InitStruct);
318 LL_TIM_DisableARRPreload(TIM3);
320 LL_TIM_SetClockSource(TIM3, LL_TIM_CLOCKSOURCE_INTERNAL);
322 TIM_OC_InitStruct.OCMode = LL_TIM_OCMODE_FROZEN;
323 TIM_OC_InitStruct.OCState = LL_TIM_OCSTATE_DISABLE;
324 TIM_OC_InitStruct.OCNState = LL_TIM_OCSTATE_DISABLE;
325 TIM_OC_InitStruct.CompareValue = 0;
326 TIM_OC_InitStruct.OCPolarity = LL_TIM_OCPOLARITY_HIGH;
327 LL_TIM_OC_Init(TIM3, LL_TIM_CHANNEL_CH1, &TIM_OC_InitStruct);
329 LL_TIM_OC_DisableFast(TIM3, LL_TIM_CHANNEL_CH1);
331 TIM_OC_InitStruct.OCMode = LL_TIM_OCMODE_ACTIVE;
332 TIM_OC_InitStruct.OCState = LL_TIM_OCSTATE_DISABLE;
333 TIM_OC_InitStruct.OCNState = LL_TIM_OCSTATE_DISABLE;
334 LL_TIM_OC_Init(TIM3, LL_TIM_CHANNEL_CH2, &TIM_OC_InitStruct);
336 LL_TIM_OC_DisableFast(TIM3, LL_TIM_CHANNEL_CH2);
338 LL_TIM_SetTriggerOutput(TIM3, LL_TIM_TRGO_RESET);
340 LL_TIM_DisableMasterSlaveMode(TIM3);
342 /**TIM3 GPIO Configuration
345 GPIO_InitStruct.Pin = THERMO_Pin;
346 GPIO_InitStruct.Mode = LL_GPIO_MODE_ALTERNATE;
347 GPIO_InitStruct.Speed = LL_GPIO_SPEED_FREQ_HIGH;
348 GPIO_InitStruct.OutputType = LL_GPIO_OUTPUT_OPENDRAIN;
349 LL_GPIO_Init(THERMO_GPIO_Port, &GPIO_InitStruct);
353 /* TIM4 init function */
354 static void MX_TIM4_Init(void)
357 LL_TIM_InitTypeDef TIM_InitStruct;
358 LL_TIM_OC_InitTypeDef TIM_OC_InitStruct;
360 /* Peripheral clock enable */
361 LL_APB1_GRP1_EnableClock(LL_APB1_GRP1_PERIPH_TIM4);
363 /* TIM4 interrupt Init */
364 NVIC_SetPriority(TIM4_IRQn, NVIC_EncodePriority(NVIC_GetPriorityGrouping(),0, 0));
365 NVIC_EnableIRQ(TIM4_IRQn);
367 TIM_InitStruct.Prescaler = 7200;
368 TIM_InitStruct.CounterMode = LL_TIM_COUNTERMODE_UP;
369 TIM_InitStruct.Autoreload = 1000;
370 TIM_InitStruct.ClockDivision = LL_TIM_CLOCKDIVISION_DIV1;
371 LL_TIM_Init(TIM4, &TIM_InitStruct);
373 LL_TIM_DisableARRPreload(TIM4);
375 LL_TIM_SetClockSource(TIM4, LL_TIM_CLOCKSOURCE_INTERNAL);
377 TIM_OC_InitStruct.OCMode = LL_TIM_OCMODE_FROZEN;
378 TIM_OC_InitStruct.OCState = LL_TIM_OCSTATE_DISABLE;
379 TIM_OC_InitStruct.OCNState = LL_TIM_OCSTATE_DISABLE;
380 TIM_OC_InitStruct.CompareValue = 0;
381 TIM_OC_InitStruct.OCPolarity = LL_TIM_OCPOLARITY_HIGH;
382 LL_TIM_OC_Init(TIM4, LL_TIM_CHANNEL_CH1, &TIM_OC_InitStruct);
384 LL_TIM_OC_DisableFast(TIM4, LL_TIM_CHANNEL_CH1);
386 LL_TIM_SetTriggerOutput(TIM4, LL_TIM_TRGO_RESET);
388 LL_TIM_DisableMasterSlaveMode(TIM4);
392 /* USART1 init function */
393 static void MX_USART1_UART_Init(void)
396 LL_USART_InitTypeDef USART_InitStruct;
398 LL_GPIO_InitTypeDef GPIO_InitStruct;
400 /* Peripheral clock enable */
401 LL_APB2_GRP1_EnableClock(LL_APB2_GRP1_PERIPH_USART1);
403 /**USART1 GPIO Configuration
404 PA9 ------> USART1_TX
405 PA10 ------> USART1_RX
407 GPIO_InitStruct.Pin = LL_GPIO_PIN_9;
408 GPIO_InitStruct.Mode = LL_GPIO_MODE_ALTERNATE;
409 GPIO_InitStruct.Speed = LL_GPIO_SPEED_FREQ_HIGH;
410 GPIO_InitStruct.OutputType = LL_GPIO_OUTPUT_PUSHPULL;
411 LL_GPIO_Init(GPIOA, &GPIO_InitStruct);
413 GPIO_InitStruct.Pin = LL_GPIO_PIN_10;
414 GPIO_InitStruct.Mode = LL_GPIO_MODE_FLOATING;
415 LL_GPIO_Init(GPIOA, &GPIO_InitStruct);
417 USART_InitStruct.BaudRate = 115200;
418 USART_InitStruct.DataWidth = LL_USART_DATAWIDTH_8B;
419 USART_InitStruct.StopBits = LL_USART_STOPBITS_1;
420 USART_InitStruct.Parity = LL_USART_PARITY_NONE;
421 USART_InitStruct.TransferDirection = LL_USART_DIRECTION_TX_RX;
422 USART_InitStruct.HardwareFlowControl = LL_USART_HWCONTROL_NONE;
423 LL_USART_Init(USART1, &USART_InitStruct);
425 LL_USART_ConfigAsyncMode(USART1);
427 LL_USART_Enable(USART1);
431 /* USB init function */
432 static void MX_USB_PCD_Init(void)
435 hpcd_USB_FS.Instance = USB;
436 hpcd_USB_FS.Init.dev_endpoints = 8;
437 hpcd_USB_FS.Init.speed = PCD_SPEED_FULL;
438 hpcd_USB_FS.Init.ep0_mps = DEP0CTL_MPS_64;
439 hpcd_USB_FS.Init.low_power_enable = DISABLE;
440 hpcd_USB_FS.Init.lpm_enable = DISABLE;
441 hpcd_USB_FS.Init.battery_charging_enable = DISABLE;
442 if (HAL_PCD_Init(&hpcd_USB_FS) != HAL_OK)
444 _Error_Handler(__FILE__, __LINE__);
450 * Enable DMA controller clock
452 static void MX_DMA_Init(void)
454 /* Init with LL driver */
455 /* DMA controller clock enable */
456 LL_AHB1_GRP1_EnableClock(LL_AHB1_GRP1_PERIPH_DMA1);
458 /* DMA interrupt init */
459 /* DMA1_Channel6_IRQn interrupt configuration */
460 NVIC_SetPriority(DMA1_Channel6_IRQn, NVIC_EncodePriority(NVIC_GetPriorityGrouping(),0, 0));
461 NVIC_EnableIRQ(DMA1_Channel6_IRQn);
465 /** Configure pins as
472 static void MX_GPIO_Init(void)
475 LL_GPIO_InitTypeDef GPIO_InitStruct;
477 /* GPIO Ports Clock Enable */
478 LL_APB2_GRP1_EnableClock(LL_APB2_GRP1_PERIPH_GPIOC);
479 LL_APB2_GRP1_EnableClock(LL_APB2_GRP1_PERIPH_GPIOD);
480 LL_APB2_GRP1_EnableClock(LL_APB2_GRP1_PERIPH_GPIOA);
481 LL_APB2_GRP1_EnableClock(LL_APB2_GRP1_PERIPH_GPIOB);
483 /* LED output is OC, active low, defaults to high */
484 LL_GPIO_SetOutputPin(LED_GPIO_Port, LED_Pin);
486 /* SSR outputs are OC, active low, default to high */
487 LL_GPIO_SetOutputPin(GPIOB, SSR3_Pin|SSR4_Pin|SSR1_Pin|SSR2_Pin);
490 GPIO_InitStruct.Pin = LED_Pin;
491 GPIO_InitStruct.Mode = LL_GPIO_MODE_OUTPUT;
492 GPIO_InitStruct.Speed = LL_GPIO_SPEED_FREQ_HIGH;
493 GPIO_InitStruct.OutputType = LL_GPIO_OUTPUT_OPENDRAIN;
494 LL_GPIO_Init(LED_GPIO_Port, &GPIO_InitStruct);
497 GPIO_InitStruct.Pin = SSR3_Pin|SSR4_Pin|SSR1_Pin|SSR2_Pin;
498 GPIO_InitStruct.Mode = LL_GPIO_MODE_OUTPUT;
499 GPIO_InitStruct.Speed = LL_GPIO_SPEED_FREQ_LOW;
500 GPIO_InitStruct.OutputType = LL_GPIO_OUTPUT_OPENDRAIN;
501 LL_GPIO_Init(GPIOB, &GPIO_InitStruct);
503 // XXX: By some magic, the above initialization does not always work,
504 // so we repeat it here.
505 LL_GPIO_SetOutputPin(GPIOB, SSR3_Pin|SSR4_Pin|SSR1_Pin|SSR2_Pin);
509 /* USER CODE BEGIN 4 */
511 /* USER CODE END 4 */
514 * @brief This function is executed in case of error occurrence.
515 * @param file: The file name as string.
516 * @param line: The line in file as a number.
519 void _Error_Handler(char *file, int line)
521 /* USER CODE BEGIN Error_Handler_Debug */
522 /* User can add his own implementation to report the HAL error return state */
526 /* USER CODE END Error_Handler_Debug */
529 #ifdef USE_FULL_ASSERT
531 * @brief Reports the name of the source file and the source line number
532 * where the assert_param error has occurred.
533 * @param file: pointer to the source file name
534 * @param line: assert_param error line source number
537 void assert_failed(uint8_t* file, uint32_t line)
539 /* USER CODE BEGIN 6 */
540 /* User can add his own implementation to report the file name and line number,
541 tex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
542 /* USER CODE END 6 */
544 #endif /* USE_FULL_ASSERT */
554 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/