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net: openthread: Remove waiting for DTR in openthread UART. #1369

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merged 1 commit into from
Nov 24, 2023
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net: openthread: Remove waiting for DTR in openthread UART. #1369

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15 changes: 0 additions & 15 deletions modules/openthread/platform/uart.c
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Original file line number Diff line number Diff line change
Expand Up @@ -170,28 +170,13 @@ otError otPlatUartEnable(void)

if (DT_NODE_HAS_COMPAT(DT_CHOSEN(zephyr_ot_uart), zephyr_cdc_acm_uart)) {
int ret;
uint32_t dtr = 0U;

ret = usb_enable(NULL);
if (ret != 0 && ret != -EALREADY) {
LOG_ERR("Failed to enable USB");
return OT_ERROR_FAILED;
}

LOG_INF("Waiting for host to be ready to communicate");

/* Data Terminal Ready - check if host is ready to communicate */
while (!dtr) {
ret = uart_line_ctrl_get(ot_uart.dev,
UART_LINE_CTRL_DTR, &dtr);
if (ret) {
LOG_ERR("Failed to get Data Terminal Ready line state: %d",
ret);
continue;
}
k_msleep(100);
}

/* Data Carrier Detect Modem - mark connection as established */
(void)uart_line_ctrl_set(ot_uart.dev, UART_LINE_CTRL_DCD, 1);
/* Data Set Ready - the NCP SoC is ready to communicate */
Expand Down