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checking registration status

pull/7/head
Mateusz Lubecki 2022-01-26 00:16:53 +01:00
rodzic 628b1e1ddd
commit d6909c2cc7
1 zmienionych plików z 61 dodań i 11 usunięć
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72
system/src/gsm/sim800c.c
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@ -10,13 +10,20 @@
#include "main.h"
#include <string.h>
#include <stdlib.h>
static const char * AUTOBAUD_STRING = "AT\r\0";
static const char * GET_SIGNAL_LEVEL = "AT+CSQ\r\0";
static const char * GET_NETWORK_REGISTRATION = "AT+CREG?\r\0";
static const char * GET_PIN_STATUS = "AT+CPIN?\r\0";
static const char * GET_REGISTERED_NETWORK = "AT+COPS?\r\0";
static const char * OK = "OK\r\n\0";
static const char * NETWORK_REGISTRATION = "+CREG\0";
static const char * NETWORK_REGISTRATION = "+CREG:\0";
static const char * CPIN = "+CPIN:\0";
static const char * CPIN_READY = "READY";
static const char * CPIN_SIMPIN = "SIMPIN";
static const char * REGISTERED_NETWORK = "+COPS:\0";
uint32_t gsm_time_of_last_command_send_to_module = 0;
@ -29,13 +36,16 @@ uint8_t gsm_receive_newline_counter = 0;
// first character of non-echo response from the module
uint16_t gsm_response_start_idx = 0;
//
// a pointer to the last command string which sent in SIM800_INITIALIZING state
const char * gsm_at_command_sent_last = 0;
// set to one to lock 'gsm_sim800_pool' in SIM800_INITIALIZING state until the response is received
uint8_t gsm_waiting_for_command_response = 0;
uint8_t gsm_registration_status = 4; // unknown
char gsm_sim_status[10];
void gsm_sim800_init(gsm_sim800_state_t * state, uint8_t enable_echo) {
gsm_at_comm_echo = enable_echo;
@ -72,23 +82,49 @@ void gsm_sim800_pool(srl_context_t * srl_context, gsm_sim800_state_t * state) {
else if (*state == SIM800_INITIALIZING && gsm_waiting_for_command_response == 0) {
// check what command has been sent
switch ((uint32_t)gsm_at_command_sent_last) {
case 0: { // no command has been send so far
//switch ((uint32_t)gsm_at_command_sent_last) {
if (gsm_at_command_sent_last == 0) {
// no command has been send so far
// ask for network registration status
srl_send_data(srl_context, (const uint8_t*) GET_NETWORK_REGISTRATION, SRL_MODE_ZERO, strlen(GET_NETWORK_REGISTRATION), SRL_INTERNAL);
// wait for command completion
srl_wait_for_tx_completion(srl_context);
gsm_at_command_sent_last = GET_NETWORK_REGISTRATION;
gsm_waiting_for_command_response = 1;
srl_receive_data_with_callback(srl_context, gsm_sim800_rx_terminating_callback);
}
else if (gsm_at_command_sent_last == GET_NETWORK_REGISTRATION) {
// ask for network registration status
srl_send_data(srl_context, (const uint8_t*) GET_NETWORK_REGISTRATION, SRL_MODE_ZERO, strlen(GET_NETWORK_REGISTRATION), SRL_INTERNAL);
srl_send_data(srl_context, (const uint8_t*) GET_PIN_STATUS, SRL_MODE_ZERO, strlen(GET_PIN_STATUS), SRL_INTERNAL);
// wait for command completion
srl_wait_for_tx_completion(srl_context);
gsm_at_command_sent_last = GET_NETWORK_REGISTRATION;
gsm_at_command_sent_last = GET_PIN_STATUS;
gsm_waiting_for_command_response = 1;
srl_receive_data_with_callback(srl_context, gsm_sim800_rx_terminating_callback);
break;
}
}
else if (gsm_at_command_sent_last == GET_PIN_STATUS) {
// ask for network registration status
srl_send_data(srl_context, (const uint8_t*) GET_REGISTERED_NETWORK, SRL_MODE_ZERO, strlen(GET_REGISTERED_NETWORK), SRL_INTERNAL);
// wait for command completion
srl_wait_for_tx_completion(srl_context);
gsm_at_command_sent_last = GET_REGISTERED_NETWORK;
gsm_waiting_for_command_response = 1;
srl_receive_data_with_callback(srl_context, gsm_sim800_rx_terminating_callback);
}
}
}
@ -150,10 +186,24 @@ void gsm_sim800_rx_done_event_handler(srl_context_t * srl_context, gsm_sim800_st
}
}
else if (*state == SIM800_INITIALIZING) {
comparision_result = strncmp(NETWORK_REGISTRATION, (const char *)(srl_context->srl_rx_buf_pointer + gsm_response_start_idx), 5);
if (gsm_at_command_sent_last == GET_NETWORK_REGISTRATION) {
comparision_result = strncmp(NETWORK_REGISTRATION, (const char *)(srl_context->srl_rx_buf_pointer + gsm_response_start_idx), 5);
if (comparision_result == 0) {
gsm_registration_status = atoi((const char *)(srl_context->srl_rx_buf_pointer + gsm_response_start_idx + 9));
}
}
else if (gsm_at_command_sent_last == GET_PIN_STATUS) {
comparision_result = strncmp(CPIN, (const char *)(srl_context->srl_rx_buf_pointer + gsm_response_start_idx), 5);
if (comparision_result == 0) {
strncpy(gsm_sim_status, (const char *)(srl_context->srl_rx_buf_pointer + gsm_response_start_idx + 7), 10);
}
}
else if (gsm_at_command_sent_last == GET_REGISTERED_NETWORK) {
comparision_result = strncmp(REGISTERED_NETWORK, (const char *)(srl_context->srl_rx_buf_pointer + gsm_response_start_idx), 5);
if (comparision_result == 0) {
gsm_registration_status = atoi((const char *)(srl_context->srl_rx_buf_pointer + gsm_response_start_idx + 9));
}
}
}