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Merge branch 'fix/fix_usb_ot_rcp_send' into 'master'

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fix(openthread): resolve the RCP data transmission issue over USB Serial JTAG

See merge request espressif/esp-idf!41715
This commit is contained in:
Xu Si Yu
2025-09-12 17:08:58 +08:00
parent 609bf37fa0 132db34cfe
commit 1e0f4d8c82
1 changed files with 8 additions and 0 deletions
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8
components/openthread/src/port/esp_openthread_uart.c
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@@ -25,6 +25,9 @@
#include "utils/uart.h" #include "utils/uart.h"
#include "driver/usb_serial_jtag_vfs.h" #include "driver/usb_serial_jtag_vfs.h"
#include "driver/usb_serial_jtag.h" #include "driver/usb_serial_jtag.h"
#if CONFIG_OPENTHREAD_RCP_USB_SERIAL_JTAG
#include "hal/usb_serial_jtag_ll.h"
#endif
static int s_uart_port; static int s_uart_port;
static int s_uart_fd; static int s_uart_fd;
@@ -51,6 +54,11 @@ otError otPlatUartSend(const uint8_t *buf, uint16_t buf_length)
{ {
int rval = write(s_uart_fd, buf, buf_length); int rval = write(s_uart_fd, buf, buf_length);
// DIG-727
#if CONFIG_OPENTHREAD_RCP_USB_SERIAL_JTAG
usb_serial_jtag_ll_txfifo_flush();
#endif
if (rval != (int)buf_length) { if (rval != (int)buf_length) {
return OT_ERROR_FAILED; return OT_ERROR_FAILED;
} }