diff options
Diffstat (limited to 'examples')
| -rw-r--r-- | examples/host/cdc_msc_hid/src/cdc_app.c | 14 |
1 files changed, 5 insertions, 9 deletions
diff --git a/examples/host/cdc_msc_hid/src/cdc_app.c b/examples/host/cdc_msc_hid/src/cdc_app.c index c897bdd06..20033981e 100644 --- a/examples/host/cdc_msc_hid/src/cdc_app.c +++ b/examples/host/cdc_msc_hid/src/cdc_app.c @@ -43,14 +43,10 @@ static size_t console_read(uint8_t *buf, size_t bufsize) { } static size_t console_write(const uint8_t *buf, size_t bufsize) { - size_t count = 0; - while (count < bufsize) { - if (board_putchar((int)buf[count]) < 0) { - break; - } - count++; - } - return count; + // Use board_uart_write directly for non-blocking behavior. + // board_putchar -> sys_write has a blocking retry loop that causes UART RX overrun. + int wr = board_uart_write(buf, (int) bufsize); + return (wr > 0) ? (size_t) wr : 0; } // forward from console to usbh @@ -78,7 +74,7 @@ void cdc_app_task(void) { do { // uart write is slow, while waiting forward uart -> usbh else uart rx can be overflow if (count) { - wr += console_write(buf + wr, count); + wr += console_write(buf + wr, count - wr); } console_to_usbh(idx); } while (wr < count); |