finished the entire low level usb app for virtual com minus the precise handling of get/send data callbacks and toggle line state. completely undebugged for now.

1 files changed, 47 insertions, 0 deletions

diff --git a/core/usb/usb_callbacks.h b/core/usb/usb_callbacks.h
new file mode 100644
index 0000000..4fe287f
--- /dev/null
+++ b/core/usb/usb_callbacks.h
@@ -0,0 +1,47 @@
+#define SET_LINE_CODING        0x20
+#define GET_LINE_CODING        0x21
+#define SET_CONTROL_LINE_STATE 0x22
+#define CONTROL_LINE_DTR       (1 << 0)
+#define CONTROL_LINE_RTS       (1 << 1)
+
+typedef struct {
+  uint32 bitrate;
+  uint8  format;
+  uint8  paritytype;
+  uint8  datatype;
+} USB_Line_Coding;
+
+void vcomDataTxCb(void);
+void vcomDataRxCb(void);
+void vcomManagementCb(void);
+
+u8* vcomGetSetLineCoding(uint16 length);
+void vcomSetLineSate(uint16 wValue);
+
+void usbInit(void);
+/* internal functions (as per the usb_core pProperty structure) */
+void usbInit(void);
+void usbReset(void);
+void usbStatusIn(void);
+void usbStatusOut(void);
+
+RESULT usbDataSetup(u8 request);
+RESULT usbNoDataSetup(u8 request);
+RESULT usbGetInterfaceSetting(u8,u8);
+
+u8* usbGetDeviceDescriptor(u16 length);
+u8* usbGetConfigDescriptor(u16 length);
+u8* usbGetStringDescriptor(u16 length);
+u8* usbGetFunctionalDescriptor(u16 length);
+
+/* internal callbacks to respond to standard requests */
+void usbGetConfiguration(void);
+void usbSetConfiguration(void);
+void usbGetInterface(void);
+void usbSetInterface(void);
+void usbGetStatus(void);
+void usbClearFeature(void);
+void usbSetEndpointFeature(void);
+void usbSetDeviceFeature(void);
+void usbSetDeviceAddress(void);
+