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Added USB example for stm32f4.

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Moved clock enable for OTG_FS back into applications.  This and gpio config
are the only differences between f107 and f2xx/f4xx.
This commit is contained in:
Gareth McMullin
2011-12-17 14:11:39 +13:00
parent d630d83972
commit 651917aeb4
10 changed files with 275 additions and 2 deletions
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1
lib/stm32/f4/Makefile
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@@ -30,6 +30,7 @@ CFLAGS = -Os -g -Wall -Wextra -I../../../include -fno-common \
ARFLAGS = rcs
OBJS = vector.o rcc.o gpio.o usart.o spi.o flash.o nvic.o \
i2c.o systick.o exti.o scb.o pwr.o timer.o \
usb.o usb_standard.o usb_control.o usb_f107.o \
VPATH += ../../usb:../

2
lib/usb/usb_f107.c
View File

@@ -18,7 +18,6 @@
*/
#include <string.h>
#include <libopencm3/stm32/f1/rcc.h>
#include <libopencm3/cm3/common.h>
#include <libopencm3/stm32/tools.h>
#include <libopencm3/stm32/otg_fs.h>
@@ -66,7 +65,6 @@ const struct _usbd_driver stm32f107_usb_driver = {
/** Initialize the USB device controller hardware of the STM32. */
static void stm32f107_usbd_init(void)
{
rcc_peripheral_enable_clock(&RCC_AHBENR, RCC_AHBENR_OTGFSEN);
OTG_FS_GINTSTS = OTG_FS_GINTSTS_MMIS;
OTG_FS_GUSBCFG |= OTG_FS_GUSBCFG_PHYSEL;