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fix(esp_modem): Correction of switching to CMUX

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* BG96 needs a small pause between CMUX command reception and actual use
of the CMUX mode
* Correct CMUX payload reception to check FT_UIH message type (P/F flag
could be cleared or set)

Closes https://github.com/espressif/esp-protocols/issues/33
This commit is contained in:
David Cermak
2022-05-10 17:55:55 +02:00
parent 38149c8d9b
commit 503218b3ba
2 changed files with 6 additions and 2 deletions
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6
components/esp_modem/src/esp_modem_dce.cpp
View File

@ -12,6 +12,8 @@
// See the License for the specific language governing permissions and
// limitations under the License.
#include <unistd.h>
#include "cxx_include/esp_modem_dte.hpp"
#include "cxx_include/esp_modem_dce.hpp"
#include "esp_log.h"
@ -63,7 +65,9 @@ bool DCE_Mode::set(DTE *dte, ModuleIf *device, Netif &netif, modem_mode m)
if (mode == modem_mode::DATA_MODE || mode == modem_mode::CMUX_MODE) {
return false;
}
device->set_mode(modem_mode::CMUX_MODE);
device->set_mode(modem_mode::CMUX_MODE); // switch the device into CMUX mode
usleep(100'000); // some devices need a few ms to switch
if (!dte->set_mode(modem_mode::CMUX_MODE)) {
return false;
}