Initial vusb console support

tmk_core/common.mk

@@ -10,6 +10,7 @@ TMK_COMMON_SRC +=	$(COMMON_DIR)/host.c \
 	$(COMMON_DIR)/action_util.c \
 	$(COMMON_DIR)/print.c \
 	$(COMMON_DIR)/debug.c \
+	$(COMMON_DIR)/sendchar_null.c \
 	$(COMMON_DIR)/util.c \
 	$(COMMON_DIR)/eeconfig.c \
 	$(COMMON_DIR)/report.c \

tmk_core/common/sendchar_null.c

@@ -16,4 +16,4 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 #include "sendchar.h"
 
-int8_t sendchar(uint8_t c) { return 0; }
+__attribute__((weak)) int8_t sendchar(uint8_t c) { return 0; }

tmk_core/protocol/ibm4704.c

@@ -161,7 +161,9 @@ ISR(IBM4704_INT_VECT) {
         case STOP:
             // Data:Low
             WAIT(data_lo, 100, state);
-            rbuf_enqueue(data);
+            if (!rbuf_enqueue(data)) {
+                print("rbuf: full\n");
+            }
             ibm4704_error = IBM4704_ERR_NONE;
             goto DONE;
             break;

tmk_core/protocol/lufa/lufa.c

@@ -801,8 +801,6 @@ int8_t sendchar(uint8_t c) {
     Endpoint_SelectEndpoint(ep);
     return -1;
 }
-#else
-int8_t sendchar(uint8_t c) { return 0; }
 #endif
 
 /*******************************************************************************

tmk_core/protocol/vusb.mk

@@ -9,13 +9,12 @@ SRC +=	$(VUSB_DIR)/main.c \
 	$(VUSB_DIR)/usbdrv/oddebug.c
 
 
-ifdef NO_UART
-SRC +=	$(COMMON_DIR)/sendchar_null.c
-else
+ifneq ($(strip $(CONSOLE_ENABLE)), yes)
+ifndef NO_UART
 SRC +=	$(COMMON_DIR)/sendchar_uart.c \
 	$(COMMON_DIR)/uart.c
 endif
-
+endif
 
 # Search Path
 VPATH += $(TMK_PATH)/$(VUSB_DIR)

tmk_core/protocol/vusb/main.c

@@ -21,12 +21,23 @@
 #include "uart.h"
 #include "debug.h"
 #include "suspend.h"
+#include "wait.h"
+#include "sendchar.h"
+
 #ifdef SLEEP_LED_ENABLE
 #    include "sleep_led.h"
 #endif
 
 #define UART_BAUD_RATE 115200
 
+#ifdef CONSOLE_ENABLE
+void console_task(void);
+#endif
+
+#ifdef RAW_ENABLE
+void raw_hid_task(void);
+#endif
+
 /* This is from main.c of USBaspLoader */
 static void initForUsbConnectivity(void) {
     uint8_t i = 0;
@@ -39,10 +50,9 @@ static void initForUsbConnectivity(void) {
         _delay_ms(1);
     }
     usbDeviceConnect();
-    sei();
 }
 
-void usb_remote_wakeup(void) {
+static void usb_remote_wakeup(void) {
     cli();
 
     int8_t ddr_orig = USBDDR;
@@ -59,6 +69,23 @@ void usb_remote_wakeup(void) {
     sei();
 }
 
+/** \brief Setup USB
+ *
+ * FIXME: Needs doc
+ */
+static void setup_usb(void) {
+    // debug("initForUsbConnectivity()\n");
+    initForUsbConnectivity();
+
+    // for Console_Task
+    print_set_sendchar(sendchar);
+}
+
+/** \brief Main
+ *
+ * FIXME: Needs doc
+ */
+int main(void) __attribute__((weak));
 int main(void) {
     bool suspended = false;
 #if USB_COUNT_SOF
@@ -76,8 +103,10 @@ int main(void) {
     keyboard_setup();
 
     host_set_driver(vusb_driver());
-    debug("initForUsbConnectivity()\n");
-    initForUsbConnectivity();
+    setup_usb();
+    sei();
+
+    wait_ms(50);
 
     keyboard_init();
 #ifdef SLEEP_LED_ENABLE
@@ -120,18 +149,26 @@ int main(void) {
         if (!suspended) {
             usbPoll();
 
-            // TODO: configuration process is incosistent. it sometime fails.
+            // TODO: configuration process is inconsistent. it sometime fails.
             // To prevent failing to configure NOT scan keyboard during configuration
             if (usbConfiguration && usbInterruptIsReady()) {
                 keyboard_task();
             }
             vusb_transfer_keyboard();
+
 #ifdef RAW_ENABLE
             usbPoll();
 
             if (usbConfiguration && usbInterruptIsReady3()) {
                 raw_hid_task();
             }
+#endif
+#ifdef CONSOLE_ENABLE
+            usbPoll();
+
+            if (usbConfiguration && usbInterruptIsReady3()) {
+                console_task();
+            }
 #endif
         } else if (suspend_wakeup_condition()) {
             usb_remote_wakeup();