Added a print class for USB, works identically to the Serial object. Bugs out if you try and pump more than 64 bytes through it in a single packet (which is really the OS's decision). This can be fixed

git-svn-id: https://leaflabs.googlecode.com/svn/trunk/library@93 749a229e-a60e-11de-b98f-4500b42dc123

3 files changed, 78 insertions, 26 deletions

diff --git a/src/lib/bootVect.h b/src/lib/bootVect.h
new file mode 100644
index 0000000..5bcb42b
--- /dev/null
+++ b/src/lib/bootVect.h
@@ -0,0 +1,52 @@
+/* *****************************************************************************
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * ****************************************************************************/
+
+/**
+ *  @file HardwareUsb.h
+ *
+ *  @brief Defines the maple boot vector structure
+ */
+
+#ifndef _BOOTVECT_H_
+#define _BOOTVECT_H_
+
+#define BOOTLOADER_VECT_TABLE ((uint32_t*)0x20000000)
+
+#ifdef __cplusplus
+extern "C"{
+#endif
+
+typedef void (*FuncPtr)(void);
+
+typedef struct {
+  FuncPtr serial_tx_cb;
+  FuncPtr serial_rx_cb;
+  FuncPtr serial_linecoding_cb;
+  uint32_t* serial_count_in;
+  uint32_t* serial_count_out;
+  uint8_t* serial_buffer_out;
+  void* linecoding;
+  uint8_t major_rev;
+  uint8_t minor_rev;
+  void* usb_device_ptr;
+  void* usb_local_obj_ptr;
+} BootVectTable;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // _BOOTVECT_H_
diff --git a/src/lib/usb.c b/src/lib/usb.c
index 17c8c8d..8c312f8 100644
--- a/src/lib/usb.c
+++ b/src/lib/usb.c
@@ -1,8 +1,6 @@
 #include <inttypes.h>
 #include "usb.h"
 
-BootVectTable* bootVect = ((BootVectTable*) BOOTLOADER_VECT_TABLE);
-
 void usb_lpIRQHandler(void)
 {
   typedef void (*funcPtr)(void);
@@ -60,8 +58,26 @@ void usb_serialWriteStr(const char* outStr) {
 
 }
 
+void usb_serialWriteChar(unsigned char ch) {
+  BootVectTable *bootVector = ((BootVectTable*)BOOTLOADER_VECT_TABLE);
+
+  delay(1);
+
+  *(bootVector->serial_count_in) = 1;
+  usb_userToPMABufferCopy((u8*)(&ch),USB_SERIAL_ENDP_TXADDR,1);
+  _SetEPTxCount(USB_SERIAL_ENDP_TX,1);
+  _SetEPTxValid(USB_SERIAL_ENDP_TX);
+
+}
+
 uint8_t usb_serialGetRecvLen() {
-  uint8_t count_out = _GetEPRxCount(USB_SERIAL_ENDP_RX);
-  _SetEPRxValid(USB_SERIAL_ENDP_RX);
+  uint8_t count_out =_GetEPRxCount(USB_SERIAL_ENDP_RX); 
   return count_out;
 }
+
+void usb_copyRecvBuffer(unsigned char* dest, uint8_t len) {
+  ASSERT(len < USB_SERIAL_BUF_SIZE);
+  usb_PMAToUserBufferCopy((u8*)(dest),USB_SERIAL_ENDP_RXADDR,len);
+  _SetEPRxValid(USB_SERIAL_ENDP_RX);
+}
+
diff --git a/src/lib/usb.h b/src/lib/usb.h
index 3a7e92b..3b7a971 100644
--- a/src/lib/usb.h
+++ b/src/lib/usb.h
@@ -5,10 +5,7 @@
 #include "util.h"
 #include "cortexm3_macro.h"
 #include "usb_regs.h"
-
-#ifdef __cplusplus
-extern "C" {
-#endif
+#include "bootVect.h"
 
 #define USB_ISR_ADDR              (0x08000090)
 #define USB_SERIAL_ENDP_TXADDR    ((uint32_t) 0xC0)
@@ -17,30 +14,17 @@ extern "C" {
 #define USB_SERIAL_ENDP_RX        ((uint16_t) 0x3)
 #define USB_SERIAL_BUF_SIZE       (0x40)
 
-#define BOOTLOADER_VECT_TABLE ((uint32_t*)0x20000000)
-
-typedef void (*FuncPtr)(void);
-
-typedef struct {
-  FuncPtr serial_tx_cb;
-  FuncPtr serial_rx_cb;
-  FuncPtr serial_linecoding_cb;
-  uint32_t* serial_count_in;
-  uint32_t* serial_count_out;
-  uint8_t* serial_buffer_out;
-  void* linecoding;
-  uint8_t major_rev;
-  uint8_t minor_rev;
-  void* usb_device_ptr;
-} BootVectTable;
-
-extern BootVectTable* bootVect;
+#ifdef __cplusplus
+extern "C" {
+#endif
 
 void usb_lpIRQHandler(void);  
 void usb_userToPMABufferCopy(u8  *pbUsrBuf,u16 wPMABufAddr,u16 wNBytes);
 void usb_PMAToUserBufferCopy(u8  *pbUsrBuf,u16 wPMABufAddr,u16 wNBytes);
 void usb_serialWriteStr(const char *outStr);
+void usb_serialWriteChar(unsigned char ch);
 uint8_t usb_serialGetRecvLen();
+void usb_copyRecvBuffer(unsigned char* dest, uint8_t len);
 
 #ifdef __cplusplus
 } // extern "C"