Merging pull request #63 Improvements to STM32F1 I2C, CAN, RCC, and USB (f107)

Merge remote-tracking branch 'icd/master'

examples/stm32/f1/lisa-m-1/can/can.c

@@ -135,7 +135,9 @@ void can_setup(void)
 		     CAN_BTR_SJW_1TQ,
 		     CAN_BTR_TS1_3TQ,
 		     CAN_BTR_TS2_4TQ,
-		     12))             /* BRP+1: Baud rate prescaler */
+		     12,		/* BRP+1: Baud rate prescaler */
+		     false,		/* loopback mode */
+		     false))		/* silent mode */
 	{
 		gpio_set(GPIOA, GPIO8);		/* LED0 off */
 		gpio_set(GPIOB, GPIO4);		/* LED1 off */

examples/stm32/f1/other/usb_dfu/usbdfu.c

@@ -249,6 +249,8 @@ int main(void)
 	AFIO_MAPR |= AFIO_MAPR_SWJ_CFG_JTAG_OFF_SW_ON;
 	gpio_set_mode(GPIOA, GPIO_MODE_INPUT, 0, GPIO15);
 
+	rcc_peripheral_enable_clock(&RCC_AHBENR, RCC_AHBENR_OTGFSEN);
+
 	usbd_dev = usbd_init(&stm32f107_usb_driver, &dev, &config, usb_strings);
 	usbd_set_control_buffer_size(usbd_dev, sizeof(usbd_control_buffer));
 	usbd_register_control_callback(