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@@ -32,8 +32,8 @@
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#endif
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// G474RE Nucleo does not has usb connection. We need to manually connect
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-// - PA11 for D+, CN10.14
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-// - PA12 for D-, CN10.12
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+// - PA12 for D+, CN10.12
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+// - PA11 for D-, CN10.14
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// LED
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#define LED_PORT GPIOA
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@@ -61,32 +61,36 @@ static inline void board_clock_init(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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// Configure the main internal regulator output voltage
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HAL_PWREx_ControlVoltageScaling(PWR_REGULATOR_VOLTAGE_SCALE1_BOOST);
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// Initializes the CPU, AHB and APB busses clocks
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- RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
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- RCC_OscInitStruct.HSIState = RCC_HSI_ON;
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- RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;
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- RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
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- RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI;
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- RCC_OscInitStruct.PLL.PLLM = RCC_PLLM_DIV4;
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- RCC_OscInitStruct.PLL.PLLN = 85;
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- RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
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- RCC_OscInitStruct.PLL.PLLQ = RCC_PLLQ_DIV2;
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- RCC_OscInitStruct.PLL.PLLR = RCC_PLLR_DIV2;
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+ RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI48 | RCC_OSCILLATORTYPE_HSE;
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+ RCC_OscInitStruct.HSEState = RCC_HSE_ON;
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+ RCC_OscInitStruct.HSI48State = RCC_HSI48_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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+ RCC_OscInitStruct.PLL.PLLM = RCC_PLLM_DIV4;
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+ RCC_OscInitStruct.PLL.PLLN = 50;
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+ RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
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+ RCC_OscInitStruct.PLL.PLLQ = RCC_PLLQ_DIV2;
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+ RCC_OscInitStruct.PLL.PLLR = RCC_PLLR_DIV2;
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HAL_RCC_OscConfig(&RCC_OscInitStruct);
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// Initializes the CPU, AHB and APB busses clocks
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- RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
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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.ClockType = RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2;
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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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RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
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-
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HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_8);
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+ PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_USB;
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+ PeriphClkInit.UsbClockSelection = RCC_USBCLKSOURCE_HSI48;
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+ HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) ;
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+
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#if 0 // TODO need to check if USB clock is enabled
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/* Enable HSI48 */
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memset(&RCC_OscInitStruct, 0, sizeof(RCC_OscInitStruct));
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