109 lines
2.8 KiB
C
109 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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#include "pcan_varian.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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#if ( HSE_VALUE != 0 )
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void SystemClock_Config(void)
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{
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RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
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/* enable HSE */
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__HAL_RCC_HSE_CONFIG(RCC_HSE_ON);
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while( __HAL_RCC_GET_FLAG(RCC_FLAG_HSERDY) == RESET );
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/* enable PLL */
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__HAL_RCC_PLL_DISABLE();
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while( __HAL_RCC_GET_FLAG(RCC_FLAG_PLLRDY) != RESET );
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#if ( HSE_VALUE == 16000000 )
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__HAL_RCC_PLL_CONFIG( RCC_PLLSOURCE_HSE, RCC_PREDIV_DIV1, RCC_PLL_MUL3 );
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#elif ( HSE_VALUE == 8000000 )
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__HAL_RCC_PLL_CONFIG( RCC_PLLSOURCE_HSE, RCC_PREDIV_DIV1, RCC_PLL_MUL6 );
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#endif
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__HAL_RCC_PLL_ENABLE();
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while( __HAL_RCC_GET_FLAG(RCC_FLAG_PLLRDY) == RESET );
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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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__HAL_RCC_USB_CONFIG( RCC_USBCLKSOURCE_PLL );
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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_ClkInitTypeDef RCC_ClkInitStruct;
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RCC_CRSInitTypeDef RCC_CRSInitStruct = {0};
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__HAL_RCC_HSI48_ENABLE();
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while(__HAL_RCC_GET_FLAG(RCC_FLAG_HSI48RDY) == RESET );
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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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__HAL_RCC_USB_CONFIG( RCC_USBCLKSOURCE_HSI48 );
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/* CRS */
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__HAL_RCC_CRS_CLK_ENABLE();
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RCC_CRSInitStruct.Prescaler = RCC_CRS_SYNC_DIV1;
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RCC_CRSInitStruct.Source = RCC_CRS_SYNC_SOURCE_USB;
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RCC_CRSInitStruct.Polarity = RCC_CRS_SYNC_POLARITY_RISING;
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RCC_CRSInitStruct.ReloadValue = __HAL_RCC_CRS_RELOADVALUE_CALCULATE( 48000000, 1000 );
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RCC_CRSInitStruct.ErrorLimitValue = RCC_CRS_ERRORLIMIT_DEFAULT;
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RCC_CRSInitStruct.HSI48CalibrationValue = RCC_CRS_HSI48CALIBRATION_DEFAULT;
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HAL_RCCEx_CRSConfig( &RCC_CRSInitStruct );
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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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HAL_IncTick();
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SystemClock_Config();
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pcan_variant_io_init();
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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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