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power cycling gsm modem if the handshake is not finished in long amount of time

master
Mateusz Lubecki 2024-10-21 21:51:44 +02:00
rodzic b476eccf69
commit e21fc6fea3
1 zmienionych plików z 14 dodań i 1 usunięć
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15
system/src/gsm/sim800c.c
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@ -54,6 +54,9 @@
//!< Registered, home network
#define SIM800_REGISTRATION_STATUS_ROAMING (5u)
//!< It was tested that SIM800C module needs up to 2..3 seconds to be responsive over UART
#define SIM800_MAX_HANDSHAKE_ERRORS (4u)
/// ==================================================================================================
/// LOCAL VARIABLES
/// ==================================================================================================
@ -128,6 +131,8 @@ static sim800_mcc_t gsm_sim800_mcc_from_imsi;
static uint8_t gsm_sim800_mnc_from_imsi;
static uint8_t gsm_sim800_handshaking_errors = 0;
/// ==================================================================================================
/// GLOBAL VARIABLES
/// ==================================================================================================
@ -826,7 +831,15 @@ void gsm_sim800_rx_done_event_handler(srl_context_t * srl_context, gsm_sim800_st
*state = SIM800_INITIALIZING;
}
else {
*state = SIM800_UNKNOWN;
gsm_sim800_handshaking_errors++;
if (gsm_sim800_handshaking_errors > SIM800_MAX_HANDSHAKE_ERRORS) {
*state = SIM800_UNKNOWN;
gsm_sim800_handshaking_errors = 0;
}
else {
*state = SIM800_WAITING_FOR_POWERUP; // go back to sending handshake
}
}
}
else if (*state == SIM800_INITIALIZING) {