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esp32/machine_uart: Handle properly the timeout_char argument.

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Before, it was ignored.  Tested with ESP32, ESP32S3, ESP32C6.

Signed-off-by: robert-hh <robert@hammelrath.com>
This commit is contained in:
robert-hh
2025-08-16 21:26:06 +02:00
committed by Damien George
parent 55ecaf14a0
commit c50f9cbb42
1 changed files with 7 additions and 8 deletions
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15
ports/esp32/machine_uart.c
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@@ -668,19 +668,18 @@ static mp_uint_t mp_machine_uart_read(mp_obj_t self_in, void *buf_in, mp_uint_t
return 0;
}
TickType_t time_to_wait;
if (self->timeout == 0) {
time_to_wait = 0;
} else {
time_to_wait = pdMS_TO_TICKS(self->timeout);
}
TickType_t time_to_wait = self->timeout > 0 ? pdMS_TO_TICKS(self->timeout) : 0;
bool release_gil = time_to_wait > 0;
bool release_gil = (self->timeout + self->timeout_char) > 0;
if (release_gil) {
MP_THREAD_GIL_EXIT();
}
int bytes_read = uart_read_bytes(self->uart_num, buf_in, size, time_to_wait);
int bytes_read = uart_read_bytes(self->uart_num, buf_in, 1, time_to_wait);
if (size > 1 && bytes_read != 0) {
time_to_wait = self->timeout_char > 0 ? pdMS_TO_TICKS(self->timeout_char) : 0;
bytes_read += uart_read_bytes(self->uart_num, buf_in + 1, size - 1, time_to_wait);
}
if (release_gil) {
MP_THREAD_GIL_ENTER();