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authorFrançois Cartegnie <281376+fcartegnie@users.noreply.github.com>2024-08-20 13:43:09 +0700
committerGitHub <noreply@github.com>2024-08-20 13:43:09 +0700
commitf5874d607315ff88b27414299089b8528b5bb07c (patch)
tree9db23b8e6cdfb06d8bab77e83224e604f20c4629 /src/usb/debug.c
parentb25d62d1362cfd711e6617a9212e3eddc4e9fddd (diff)
parentc3912e01a2767334103cd139d875d50c834f3f05 (diff)
Merge pull request #35 from kienvo/usb
feat: Receive data over USB
Diffstat (limited to 'src/usb/debug.c')
-rw-r--r--src/usb/debug.c82
1 files changed, 82 insertions, 0 deletions
diff --git a/src/usb/debug.c b/src/usb/debug.c
new file mode 100644
index 0000000..0c9f443
--- /dev/null
+++ b/src/usb/debug.c
@@ -0,0 +1,82 @@
+#include "CH58x_common.h"
+
+void print_setuppk(USB_SETUP_REQ *request)
+{
+ PRINT("Setup request:\n");
+
+ char *dir[] = {"OUT", "IN"};
+ char *type[] = {"Standard", "Class", "Vendor", "Reserved Type"};
+ char *recipient[] = {
+ "Device", "Interface", "Endpoint", "Other","Reserved Recipient"
+ };
+ char *bRequest[] = {
+ "GET_STATUS",
+ "CLEAR_FEATURE",
+ "Reserved",
+ "SET_FEATURE",
+ "Reserved",
+ "SET_ADDRESS",
+ "GET_DESCRIPTOR",
+ "SET_DESCRIPTOR",
+ "GET_CONFIGURATION",
+ "SET_CONFIGURATION",
+ "GET_INTERFACE",
+ "SET_INTERFACE",
+ "SYNCH_FRAME",
+ };
+
+ uint8_t t = request->bRequestType;
+ uint8_t req = request->bRequest;
+ uint8_t type_val = (t & USB_REQ_TYP_MASK) >> 5;
+ uint8_t recip_val = t & USB_REQ_RECIP_MASK;
+ if (recip_val > 4)
+ recip_val = 4;
+
+ PRINT("\t- bRequestType: 0x%02x (%s|%s|%s)\n", t, dir[t>>7],
+ type[type_val],
+ recipient[recip_val]);
+
+ PRINT("\t- bRequest: 0x%02x (%s)\n", req, req > 12 ?
+ "N/A" : bRequest[req]);
+ PRINT("\t- wValue: 0x%04x\n", request->wValue);
+
+ PRINT("\t- wIndex%s: 0x%04x\n",
+ recip_val == USB_REQ_RECIP_INTERF ? " (wInterfaceNumber)" : "",
+ request->wIndex);
+
+ PRINT("\t- wLength: 0x%04x\n", request->wLength);
+}
+
+void print_status_reg()
+{
+ char *token_type[] = {
+ "OUT", "SOF","IN", "SETUP",
+ };
+ uint8_t reg = R8_USB_INT_ST;
+ uint8_t is_setup = reg & RB_UIS_SETUP_ACT;
+ uint8_t toggle = reg & RB_UIS_TOG_OK;
+ uint8_t token = (reg & MASK_UIS_TOKEN) >> 4;
+ uint8_t ep_num = reg & MASK_UIS_ENDP;
+ PRINT("usb: Status reg: 0x%02x (%s|%s|%s|EP:%d)\n", reg,
+ is_setup ? "SETUP??" : "0",
+ toggle ? "TOGGLE OK" : "0", token_type[token], ep_num);
+}
+
+void print_intflag_reg()
+{
+ uint8_t reg = R8_USB_INT_FG;
+ uint8_t is_nak = reg & RB_U_IS_NAK;
+ uint8_t tog_ok = reg & RB_U_TOG_OK;
+ uint8_t sie = reg & RB_U_SIE_FREE;
+ uint8_t overflow = reg & RB_UIF_FIFO_OV;
+ uint8_t suspend = reg & RB_UIF_SUSPEND;
+ uint8_t xfer_complete = reg & RB_UIF_TRANSFER;
+ uint8_t bus_reset = reg & RB_UIF_BUS_RST;
+ PRINT("usb: Interrupt reg: 0x%02x (%s|%s|%s|%s|%s|%s)\n", reg,
+ is_nak ? "NAK received" : "0",
+ tog_ok ? "Toggle ok" : "0",
+ sie ? "SIE" : "0",
+ overflow ? "FIFO overflow" : "0",
+ suspend ? "Suspend" : "0",
+ xfer_complete ? "Xfer completed" : "0");
+} \ No newline at end of file