From b07ffffcee53e18051b324eb59a2794044ce6f95 Mon Sep 17 00:00:00 2001 From: Gareth McMullin Date: Mon, 2 Mar 2015 10:16:33 -0800 Subject: Factor out common cdcacm.c from stm32 and tm4c. Cleaned up interface to enter bootloader and read serial number.--- src/platforms/f4discovery/platform.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) (limited to 'src/platforms/f4discovery/platform.c') diff --git a/src/platforms/f4discovery/platform.c b/src/platforms/f4discovery/platform.c index cf6cdf3..6e10ff4 100644 --- a/src/platforms/f4discovery/platform.c +++ b/src/platforms/f4discovery/platform.c @@ -46,7 +46,7 @@ void platform_init(void) /* Check the USER button*/ rcc_peripheral_enable_clock(&RCC_AHB1ENR, RCC_AHB1ENR_IOPAEN); if(gpio_get(GPIOA, GPIO0)) { - assert_boot_pin(); + platform_request_boot(); scb_reset_core(); } @@ -111,8 +111,12 @@ const char *platform_target_voltage(void) return "ABSENT!"; } -void assert_boot_pin(void) +void platform_request_boot(void) { + /* Disconnect USB cable */ + usbd_disconnect(usbdev, 1); + nvic_disable_irq(USB_IRQ); + /* Assert blue LED as indicator we are in the bootloader */ rcc_peripheral_enable_clock(&RCC_AHB1ENR, RCC_AHB1ENR_IOPDEN); gpio_mode_setup(LED_PORT, GPIO_MODE_OUTPUT, -- cgit v1.2.3