108 lines
2.8 KiB
C
108 lines
2.8 KiB
C
#include "stm32f0xx_hal.h"
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#include "pcan_timestamp.h"
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#include "pcan_led.h"
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#include "pcan_protocol.h"
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#include "pcan_usb.h"
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void HAL_MspInit( void )
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{
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__HAL_RCC_SYSCFG_CLK_ENABLE();
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__HAL_RCC_PWR_CLK_ENABLE();
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__HAL_RCC_GPIOF_CLK_ENABLE();
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__HAL_RCC_GPIOA_CLK_ENABLE();
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__HAL_RCC_GPIOB_CLK_ENABLE();
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}
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#ifdef EXTERNAL_CLOCK
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void SystemClock_Config(void)
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{
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RCC_OscInitTypeDef RCC_OscInitStruct = {0};
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RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
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RCC_PeriphCLKInitTypeDef PeriphClkInit = {0};
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RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
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RCC_OscInitStruct.HSEState = RCC_HSE_ON;
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RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
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RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
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/* HSE = 16MHZ */
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#if EXTERNAL_CLOCK == 16
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RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL3;
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/* HSE = 8MHZ */
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#elif EXTERNAL_CLOCK == 8
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RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL6;
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#else
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#error invalid HSE_VALUE
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#endif
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RCC_OscInitStruct.PLL.PREDIV = RCC_PREDIV_DIV1;
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HAL_RCC_OscConfig(&RCC_OscInitStruct);
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RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
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|RCC_CLOCKTYPE_PCLK1;
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RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
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RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
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RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
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HAL_RCC_ClockConfig( &RCC_ClkInitStruct, FLASH_LATENCY_1 );
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PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_USB;
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PeriphClkInit.UsbClockSelection = RCC_USBCLKSOURCE_PLL;
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HAL_RCCEx_PeriphCLKConfig( &PeriphClkInit );
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}
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#else
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void SystemClock_Config(void)
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{
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RCC_OscInitTypeDef RCC_OscInitStruct;
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RCC_ClkInitTypeDef RCC_ClkInitStruct;
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RCC_PeriphCLKInitTypeDef PeriphClkInit;
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RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI48;
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RCC_OscInitStruct.HSI48State = RCC_HSI48_ON;
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RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE;
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HAL_RCC_OscConfig(&RCC_OscInitStruct);
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RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
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|RCC_CLOCKTYPE_PCLK1;
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RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_HSI48;
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RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
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RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
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HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_1);
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PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_USB|RCC_PERIPHCLK_I2C1;
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PeriphClkInit.UsbClockSelection = RCC_USBCLKSOURCE_HSI48;
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PeriphClkInit.I2c1ClockSelection = RCC_I2C1CLKSOURCE_HSI;
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HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit);
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}
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#endif
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void SysTick_Handler( void )
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{
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HAL_IncTick();
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}
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int main( void )
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{
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HAL_Init();
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SystemClock_Config();
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pcan_usb_init();
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pcan_led_init();
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pcan_timestamp_init();
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pcan_protocol_init();
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pcan_led_set_mode( LED_CH0_RX, LED_MODE_BLINK_SLOW, 0 );
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pcan_led_set_mode( LED_CH0_TX, LED_MODE_BLINK_SLOW, 0 );
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for(;;)
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{
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pcan_usb_poll();
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pcan_led_poll();
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pcan_protocol_poll();
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}
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}
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