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feat(modem): Add support for handling URC

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Closes https://github.com/espressif/esp-protocols/issues/180
This commit is contained in:
David Cermak
2024-07-24 09:33:57 +02:00
parent d2880418e5
commit 1b6a3b3b75
4 changed files with 41 additions and 7 deletions
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15
components/esp_modem/src/esp_modem_dte.cpp
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@@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2021-2023 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2021-2024 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@@ -50,9 +50,11 @@ void DTE::set_command_callbacks()
{
primary_term->set_read_cb([this](uint8_t *data, size_t len) {
Scoped<Lock> l(command_cb.line_lock);
if (command_cb.got_line == nullptr) {
return false;
#ifndef CONFIG_ESP_MODEM_URC_HANDLER
if (command_cb.got_line == nullptr || command_cb.result != command_result::TIMEOUT) {
return false; // this line has been processed already (got OK or FAIL previously)
}
#endif
if (data) {
// For terminals which post data directly with the callback (CMUX)
// we cannot defragment unless we allocate, but
@@ -347,9 +349,14 @@ void DTE::on_read(got_line_cb on_read_cb)
bool DTE::command_cb::process_line(uint8_t *data, size_t consumed, size_t len)
{
if (result != command_result::TIMEOUT) {
#ifdef CONFIG_ESP_MODEM_URC_HANDLER
if (urc_handler) {
urc_handler(data, consumed + len);
}
if (result != command_result::TIMEOUT || got_line == nullptr) {
return false; // this line has been processed already (got OK or FAIL previously)
}
#endif
if (memchr(data + consumed, separator, len)) {
result = got_line(data, consumed + len);
if (result == command_result::OK || result == command_result::FAIL) {