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board_stm32h743nucleo: Route USB clock and pins.

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This commit is contained in:
William D. Jones 2019-08-26 16:48:24 -04:00
parent 1ef98e503a
commit 0afbf1a9bb
2 changed files with 36 additions and 2 deletions
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1
hw/bsp/stm32h743nucleo/board.mk
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@ -20,6 +20,7 @@ SRC_C += \
hw/mcu/st/stm32lib/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal.c \
hw/mcu/st/stm32lib/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_cortex.c \
hw/mcu/st/stm32lib/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_rcc.c \
hw/mcu/st/stm32lib/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_rcc_ex.c \
hw/mcu/st/stm32lib/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_gpio.c
SRC_S += \

37
hw/bsp/stm32h743nucleo/board_stm32h743nucleo.c
View File

@ -53,7 +53,8 @@
* PLL1_M = 8
* PLL1_N = 336
* PLL1_P = 2
* PLL1_Q = Unused (TODO: figure out how
* PLL1_Q = 7
* PLL1_R = Unused (TODO: figure out how
* to gate from HAL?)
* VDD(V) = 3.3
* Main regulator output voltage = Scale3 mode
@ -81,6 +82,7 @@ static void SystemClock_Config(void)
RCC_OscInitStruct.PLL.PLLM = 8;
RCC_OscInitStruct.PLL.PLLN = 336;
RCC_OscInitStruct.PLL.PLLP = 2;
RCC_OscInitStruct.PLL.PLLQ = 7;
RCC_OscInitStruct.PLL.PLLRGE = RCC_PLL1VCIRANGE_0;
RCC_OscInitStruct.PLL.PLLVCOSEL = RCC_PLL1VCOMEDIUM;
RCC_OscInitStruct.PLL.PLLFRACN = 0;
@ -107,7 +109,12 @@ static void SystemClock_Config(void)
/* Like on F4, on H7, USB's actual peripheral clock and bus clock are
separate. However, the main system PLL (PLL1) doesn't have a direct
connection to the USB peripheral clock to generate 48 MHz, so we do this
dance. */
dance. This will connect PLL1's Q output to the USB peripheral clock. */
RCC_PeriphCLKInitTypeDef RCC_PeriphCLKInitStruct;
RCC_PeriphCLKInitStruct.PeriphClockSelection = RCC_PERIPHCLK_USB;
RCC_PeriphCLKInitStruct.UsbClockSelection = RCC_USBCLKSOURCE_PLL;
HAL_RCCEx_PeriphCLKConfig(&RCC_PeriphCLKInitStruct);
}
void board_init(void)
@ -123,6 +130,32 @@ void board_init(void)
GPIO_InitTypeDef GPIO_InitStruct;
// USB Pin Init
// PA9- VUSB, PA10- ID, PA11- DM, PA12- DP
__HAL_RCC_GPIOA_CLK_ENABLE();
/* Configure DM DP Pins */
GPIO_InitStruct.Pin = GPIO_PIN_11 | GPIO_PIN_12;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Alternate = GPIO_AF10_OTG2_HS;
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
/* Configure VBUS Pin */
GPIO_InitStruct.Pin = GPIO_PIN_9;
GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
GPIO_InitStruct.Pull = GPIO_NOPULL;
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
/* This for ID line debug */
GPIO_InitStruct.Pin = GPIO_PIN_10;
GPIO_InitStruct.Mode = GPIO_MODE_AF_OD;
GPIO_InitStruct.Pull = GPIO_PULLUP;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
GPIO_InitStruct.Alternate = GPIO_AF10_OTG2_HS;
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
__HAL_RCC_GPIOB_CLK_ENABLE();
GPIO_InitStruct.Pin = LED_PIN;