Intermediate step in the examples tree, looking to get USB working correctly on the

429 still

examples/stm32/f4/stm32f4-discovery/usb_cdcacm/Makefile

@@ -17,6 +17,8 @@
 ## along with this library.  If not, see <http://www.gnu.org/licenses/>.
 ##
 
+OBJS = console.o
+
 BINARY = cdcacm
 
 LDSCRIPT = ../stm32f4-discovery.ld

examples/stm32/f4/stm32f4-discovery/usb_cdcacm/cdcacm.c

@@ -23,6 +23,7 @@
 #include <libopencm3/usb/usbd.h>
 #include <libopencm3/usb/cdc.h>
 #include <libopencm3/cm3/scb.h>
+#include "console.h"
 
 static const struct usb_device_descriptor dev = {
 	.bLength = USB_DT_DEVICE_SIZE,
@@ -208,6 +209,7 @@ static void cdcacm_data_rx_cb(usbd_device *usbd_dev, uint8_t ep)
 
 static void cdcacm_set_config(usbd_device *usbd_dev, uint16_t wValue)
 {
+	console_puts("set config called.\n");
 	(void)wValue;
 
 	usbd_ep_setup(usbd_dev, 0x01, USB_ENDPOINT_ATTR_BULK, 64,
@@ -227,6 +229,8 @@ int main(void)
 	usbd_device *usbd_dev;
 
 	rcc_clock_setup_hse_3v3(&hse_8mhz_3v3[CLOCK_3V3_120MHZ]);
+	console_setup();
+	console_puts("USB demo (orig)\n");
 
 	rcc_periph_clock_enable(RCC_GPIOA);
 	rcc_periph_clock_enable(RCC_OTGFS);