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Fix usage of USB_VBUS 

USB_VBUS is not an alternate function, it is an additionnal function which is
always enabled.

If configured as an alternate function, it will draw current from VBUS.
This commit is contained in:
Nicolas Schodet 2015-06-23 11:51:56 +02:00
parent 492d6c9cf8
commit b60f5283ae
2 changed files with 4 additions and 5 deletions
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5
src/platforms/f4discovery/platform.c
View File

@ -55,9 +55,8 @@ void platform_init(void)
rcc_peripheral_enable_clock(&RCC_AHB1ENR, RCC_AHB1ENR_CRCEN);
/* Set up USB Pins and alternate function*/
gpio_mode_setup(GPIOA, GPIO_MODE_AF, GPIO_PUPD_NONE,
GPIO9 | GPIO11 | GPIO12);
gpio_set_af(GPIOA, GPIO_AF10, GPIO9 | GPIO11 | GPIO12);
gpio_mode_setup(GPIOA, GPIO_MODE_AF, GPIO_PUPD_NONE, GPIO11 | GPIO12);
gpio_set_af(GPIOA, GPIO_AF10, GPIO11 | GPIO12);
GPIOC_OSPEEDR &=~0xF30;
GPIOC_OSPEEDR |= 0xA20;

4
src/platforms/f4discovery/usbdfu.c
View File

@ -60,8 +60,8 @@ int main(void)
/* Set up USB Pins and alternate function*/
gpio_mode_setup(GPIOA, GPIO_MODE_AF, GPIO_PUPD_NONE,
GPIO9 | GPIO10 | GPIO11 | GPIO12);
gpio_set_af(GPIOA, GPIO_AF10, GPIO9 | GPIO10| GPIO11 | GPIO12);
GPIO10 | GPIO11 | GPIO12);
gpio_set_af(GPIOA, GPIO_AF10, GPIO10 | GPIO11 | GPIO12);
dfu_init(&stm32f107_usb_driver);
dfu_main();