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Merge pull request #234 from hathach/stm32f4-blackpill

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move VBUS sense out of dcd_synosys to bsp
This commit is contained in:
Ha Thach
2019-12-12 10:00:17 +07:00
committed by GitHub
parent fc7f6f0e1e 96a9eca6a0
commit 0b540fa55d
10 changed files with 136 additions and 71 deletions
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hw/bsp/stm32l476disco/stm32l476disco.c
+15 -7
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@@ -38,6 +38,16 @@
#define BUTTON_PIN GPIO_PIN_0
#define BUTTON_STATE_ACTIVE 1
// enable all LED, Button, Uart, USB clock
static void all_rcc_clk_enable(void)
{
__HAL_RCC_GPIOA_CLK_ENABLE(); // USB D+, D-, Button
__HAL_RCC_GPIOB_CLK_ENABLE(); // LED
__HAL_RCC_GPIOC_CLK_ENABLE(); // VBUS pin
}
/**
* @brief System Clock Configuration
* The system Clock is configured as follow :
@@ -117,6 +127,8 @@ void board_init(void)
#endif
SystemClock_Config();
SystemCoreClockUpdate();
all_rcc_clk_enable();
/* Enable Power Clock*/
__HAL_RCC_PWR_CLK_ENABLE();
@@ -124,13 +136,9 @@ void board_init(void)
/* Enable USB power on Pwrctrl CR2 register */
HAL_PWREx_EnableVddUSB();
// Notify runtime of frequency change.
SystemCoreClockUpdate();
GPIO_InitTypeDef GPIO_InitStruct;
// LED
__HAL_RCC_GPIOB_CLK_ENABLE();
GPIO_InitStruct.Pin = LED_PIN;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_PULLUP;
@@ -140,7 +148,6 @@ void board_init(void)
board_led_write(false);
// Button
__HAL_RCC_GPIOA_CLK_ENABLE();
GPIO_InitStruct.Pin = BUTTON_PIN;
GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
GPIO_InitStruct.Pull = GPIO_PULLDOWN;
@@ -149,7 +156,6 @@ void board_init(void)
// USB
/* Configure DM DP Pins */
__HAL_RCC_GPIOA_CLK_ENABLE();
GPIO_InitStruct.Pin = (GPIO_PIN_11 | GPIO_PIN_12);
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
@@ -158,7 +164,6 @@ void board_init(void)
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
/* Configure VBUS Pin */
__HAL_RCC_GPIOC_CLK_ENABLE();
GPIO_InitStruct.Pin = GPIO_PIN_11;
GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
GPIO_InitStruct.Pull = GPIO_NOPULL;
@@ -166,6 +171,9 @@ void board_init(void)
/* Enable USB FS Clock */
__HAL_RCC_USB_OTG_FS_CLK_ENABLE();
// Enable VBUS sense (B device) via pin PA9
USB_OTG_FS->GCCFG |= USB_OTG_GCCFG_VBDEN;
}
//--------------------------------------------------------------------+