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usb_cdc: Add comments on debugging USB connections via UART 

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor 2021-07-02 12:35:02 -04:00
parent d1bdde56cc
commit 1e11b76379
1 changed files with 9 additions and 0 deletions
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9
src/generic/usb_cdc.c
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@ -15,6 +15,15 @@
#include "sched.h" // sched_wake_task
#include "usb_cdc.h" // usb_notify_ep0
// To debug a USB connection over UART, uncomment the two macros
// below, alter the board KConfig to "select USBSERIAL" on a serial
// UART build (so both USB and UART are enabled in a single build),
// compile the code using serial UART, add output() calls to the USB
// code as needed, deploy the new binary, and then connect via
// console.py using UART to see those output() messages.
//#define console_sendf(ce,va) console_sendf_usb(ce,va)
//#define command_find_and_dispatch(rb, rp, pc) ({*(pc) = rp; 1;})
/****************************************************************
* Message block sending