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sara_u2.c
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sara_u2.c
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#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include <string.h>
#include "sara_u2.h"
#include "board_define.h"
#include "protocol.h"
#include "nrf_gpio.h"
#include "app_uart.h"
#include "nrf_delay.h"
#include "nrf_pwr_mgmt.h"
#include "nrf_log.h"
#include "nrf_log_ctrl.h"
#ifdef SARA_U2
#define SARA_UART_WRITE_READ_DATA_SIZE 256
static volatile uint8_t sara_ack = 0x00;
static volatile sara_state_t sara_evt_state = SARA_NONE_EVT;
static volatile uint8_t sara_signal_qual = 0x00;
static volatile uint8_t sara_signal_power = 0x00;
static volatile uint8_t sara_gatt_state = 0x00;
static volatile uint8_t sara_pdp_state = 0x00;
static volatile uint8_t sara_tcp_socket_number = 0x00;
static volatile uint8_t sara_tcp_server_ip_address_size = 0;
static uint8_t sara_tcp_server_ip_address[20] = { 0x00 };
static uint8_t sara_tcp_read_socket_number = 0;
static uint16_t sara_tcp_read_socket_data_size = 0;
static volatile uint8_t sara_sim_number_size = 0;
static char sara_sim_serial_number[32] = { 0x00 };
static char sara_write_command[128] = { 0x00 };
static uint16_t sara_write_command_size = 0;
static volatile uint8_t sara_tcp_read_data_step = 0x00;
static uint8_t sara_tcp_read_data[255] = { 0x00 };
static volatile uint8_t sara_tcp_read_data_size = 0;
static uint16_t data_array_index = 0;
static uint8_t data_array[SARA_UART_WRITE_READ_DATA_SIZE] = { 0x00 };
static sara_u2_data_t sara_data;
static sara_u2_callback sara_callback;
static uint32_t POWER_GPIO_PIN = 0;
static uint32_t PWR_GPIO_PIN = 0;
void set_sara_u2_gpio_instance(uint32_t POWER_PIN, uint32_t PWR_PIN) {
POWER_GPIO_PIN = POWER_PIN;
PWR_GPIO_PIN = PWR_PIN;
}
static void wait_us(uint32_t wait) {
nrf_delay_us(wait);
}
static void wait_100_ms() {
sara_u2_timer = 0x00;
while (!sara_u2_timer) {
if (NRF_LOG_PROCESS() == false) {
nrf_pwr_mgmt_run();
}
}
}
static void wait_100_ms_timer(uint32_t wait) {
for (uint32_t i = 0; i < wait; i++) {
wait_100_ms();
}
}
static uint8_t sara_data_write(uint8_t *data, uint16_t size, uint16_t wait) {
sara_ack = 0x00;
data_array_index = 0;
memset(data_array, 0x00, sizeof(data_array));
for (uint16_t i = 0; i < size; i++) {
while (app_uart_put(data[i]) != NRF_SUCCESS) {
}
}
while (app_uart_put('\r') != NRF_SUCCESS) {
}
while (app_uart_put('\n') != NRF_SUCCESS) {
}
for (uint16_t i = 0; i < wait; i++) {
if (sara_ack) {
return 0x01;
}
wait_100_ms();
}
return 0x00;
}
static uint8_t sara_tcp_buffer_write(uint8_t *data, uint16_t size,
uint16_t wait) {
sara_ack = 0x00;
data_array_index = 0;
memset(data_array, 0x00, sizeof(data_array));
for (uint16_t i = 0; i < size; i++) {
while (app_uart_put(data[i]) != NRF_SUCCESS) {
}
}
for (uint16_t i = 0; i < wait; i++) {
if (sara_ack) {
return 0x01;
}
wait_100_ms();
}
return 0x00;
}
void set_sara_callback(sara_u2_callback callback) {
sara_callback = callback;
}
uint8_t set_sara_power_on(uint8_t retry, uint16_t wait) {
nrf_gpio_pin_set(POWER_GPIO_PIN);
wait_100_ms_timer(60);
nrf_gpio_pin_set(PWR_GPIO_PIN);
wait_us(65);
nrf_gpio_pin_clear(PWR_GPIO_PIN);
wait_100_ms_timer(30);
for (uint8_t i = 0; i < retry; i++) {
sara_evt_state = SARA_ECHO_TEST;
if (sara_data_write((uint8_t*) SARA_AT_ECHO, strlen(SARA_AT_ECHO),
wait)) {
if (sara_evt_state == SARA_OK) {
return 0x01;
}
}
wait_100_ms_timer(10);
}
return 0x00;
}
void set_sara_power_off(uint8_t retry, uint16_t wait) {
for (uint8_t i = 0; i < retry; i++) {
sara_evt_state = SARA_POWER_OFF;
if (sara_data_write((uint8_t*) SARA_AT_POWER_OFF,
strlen(SARA_AT_POWER_OFF), wait)) {
if (sara_evt_state == SARA_OK) {
break;
}
}
wait_100_ms_timer(10);
}
nrf_gpio_pin_clear(POWER_GPIO_PIN);
}
uint8_t set_sara_echo_off(uint16_t wait) {
sara_evt_state = SARA_ECHO_OFF;
if (sara_data_write((uint8_t*) SARA_AT_ECHO_OFF, strlen(SARA_AT_ECHO_OFF),
wait)) {
if (sara_evt_state == SARA_OK) {
return 0x01;
}
}
return 0x00;
}
uint8_t set_sara_power_save_mode_off(uint16_t wait) {
sara_evt_state = SARA_SET_POWER_SAVE_MODE;
if (sara_data_write((uint8_t*) SARA_AT_POWER_SAVE_MODE_OFF,
strlen(SARA_AT_POWER_SAVE_MODE_OFF), wait)) {
if (sara_evt_state == SARA_OK) {
return 0x01;
}
}
return 0x00;
}
uint8_t set_sara_gpio_1(uint16_t wait) {
sara_evt_state = SARA_GPIO_1_SETUP;
if (sara_data_write((uint8_t*) SARA_AT_GPIO_1_NETWORK_STATE,
strlen(SARA_AT_GPIO_1_NETWORK_STATE), wait)) {
if (sara_evt_state == SARA_OK) {
return 0x01;
}
}
return 0x00;
}
uint8_t get_sara_sim_id(uint16_t wait) {
sara_evt_state = SARA_READ_SIM_ID;
if (sara_data_write((uint8_t*) SARA_AT_CHECK_SIM_ID,
strlen(SARA_AT_CHECK_SIM_ID), wait)) {
if (sara_evt_state == SARA_OK) {
sara_data.sara_sim_number_size = sara_sim_number_size;
memcpy(sara_data.sara_sim_serial_number, sara_sim_serial_number,
sara_sim_number_size);
sara_callback(sara_data);
return 0x01;
}
}
return 0x00;
}
uint8_t get_sara_csq_network_state(uint16_t retry, uint16_t wait) {
for (uint16_t i = 0; i < retry; i++) {
sara_evt_state = SARA_CSQ_READ;
if (sara_data_write((uint8_t*) SARA_AT_NET_SIG_QUAL,
strlen(SARA_AT_NET_SIG_QUAL), wait)) {
if (sara_evt_state == SARA_OK) {
sara_data.sara_signal_power = sara_signal_power;
sara_data.sara_signal_qual = sara_signal_qual;
sara_callback(sara_data);
if (sara_signal_qual != 99) {
return 0x01;
}
}
}
wait_100_ms_timer(10);
}
return 0x00;
}
uint8_t get_sara_gatt_state(uint16_t retry, uint16_t wait) {
for (uint16_t i = 0; i < retry; i++) {
sara_evt_state = SARA_GATT_READ;
if (sara_data_write((uint8_t*) SARA_AT_NET_CHECK_GATT,
strlen(SARA_AT_NET_CHECK_GATT), wait)) {
if (sara_evt_state == SARA_OK) {
sara_data.sara_gatt_state = sara_gatt_state;
sara_callback(sara_data);
if (sara_gatt_state != 0x00) {
return 0x01;
}
}
}
wait_100_ms_timer(10);
}
return 0x00;
}
uint8_t get_sara_pdp_state(uint16_t retry, uint16_t wait) {
for (uint16_t i = 0; i < retry; i++) {
sara_evt_state = SARA_PDP_READ;
if (sara_data_write((uint8_t*) SARA_AT_NET_CHECK_GPRS,
strlen(SARA_AT_NET_CHECK_GPRS), wait)) {
if (sara_evt_state == SARA_OK) {
sara_data.sara_pdp_state = sara_pdp_state;
sara_callback(sara_data);
return 0x01;
}
}
wait_100_ms_timer(10);
}
return 0x00;
}
uint8_t set_sara_gprs_state(uint16_t wait) {
if (sara_pdp_state == 0x00) {
sara_evt_state = SARA_PDP_CONNECT;
if (sara_data_write((uint8_t*) SARA_AT_NET_ACT_GPRS,
strlen(SARA_AT_NET_ACT_GPRS), wait)) {
if (sara_evt_state != SARA_OK) {
return 0x00;
}
}
}
return 0x01;
}
uint8_t set_sara_socket_close(uint16_t wait) {
sara_write_command_size = 0;
memset(sara_write_command, 0x00, sizeof(sara_write_command));
sara_write_command_size = sprintf(sara_write_command, "AT+USOCL=%d",
sara_tcp_socket_number);
sara_evt_state = SARA_SOCKET_CLOSE;
if (sara_data_write((uint8_t*) sara_write_command, sara_write_command_size,
wait)) {
if (sara_evt_state == SARA_OK) {
return 0x01;
}
}
return 0x00;
}
uint8_t set_sara_socket_create(uint16_t wait) {
sara_evt_state = SARA_SOCKET_CREATE;
if (sara_data_write((uint8_t*) SARA_AT_SOCKET_CMD_CREATE,
strlen(SARA_AT_SOCKET_CMD_CREATE), wait)) {
if (sara_evt_state == SARA_OK) {
sara_data.sara_tcp_socket_number = sara_tcp_socket_number;
sara_callback(sara_data);
return 0x01;
}
}
return 0x00;
}
uint8_t set_sara_socket_connect(char *ip, uint16_t port, uint16_t wait) {
sara_write_command_size = 0;
memset(sara_write_command, 0x00, sizeof(sara_write_command));
sara_write_command_size = sprintf(sara_write_command,
"AT+USOCO=%d,\"%s\",%d", sara_tcp_socket_number, ip, port);
sara_evt_state = SARA_SOCKET_CONNECT;
if (sara_data_write((uint8_t*) sara_write_command, sara_write_command_size,
wait)) {
if (sara_evt_state == SARA_OK) {
return 0x01;
}
}
return 0x00;
}
uint8_t set_sara_socket_write_data_size(uint16_t sara_tcp_data_size,
uint16_t wait) {
sara_write_command_size = 0;
memset(sara_write_command, 0x00, sizeof(sara_write_command));
sara_write_command_size = sprintf(sara_write_command, "AT+USOWR=%d,%d",
sara_tcp_socket_number, sara_tcp_data_size);
sara_evt_state = SARA_TCP_WRITE_REQUEST;
if (sara_data_write((uint8_t*) sara_write_command, sara_write_command_size,
wait)) {
if (sara_evt_state == SARA_OK) {
wait_100_ms();
return 0x01;
}
}
return 0x00;
}
uint8_t set_sara_socket_write_data(uint8_t *sara_tcp_data,
uint16_t sara_tcp_data_size, uint16_t wait) {
sara_write_command_size = 0;
memset(sara_write_command, 0x00, sizeof(sara_write_command));
memcpy(sara_write_command, sara_tcp_data, sara_tcp_data_size);
sara_write_command_size = sara_tcp_data_size;
sara_evt_state = SARA_TCP_WRITE_DATA;
if (sara_tcp_buffer_write((uint8_t*) sara_write_command,
sara_write_command_size, wait)) {
if (sara_evt_state != SARA_OK) {
return 0x00;
}
}
return 0x01;
}
uint8_t get_sara_socket_wait_receive_data(uint16_t wait) {
sara_evt_state = SARA_TCP_READ_WAIT;
data_array_index = 0;
memset(data_array, 0x00, sizeof(data_array));
for (uint16_t i = 0; i < wait; i++) {
if (sara_evt_state == SARA_OK) {
return 0x01;
} else if (sara_evt_state == SARA_ERROR) {
return 0x00;
}
wait_100_ms();
}
return 0x00;
}
uint8_t get_sara_socket_receive_data(uint16_t wait) {
sara_evt_state = SARA_TCP_READ_DATA;
sara_tcp_read_data_step = 0x00;
sara_tcp_read_data_size = 0;
memset(sara_tcp_read_data, 0x00, sizeof(sara_tcp_read_data));
sara_write_command_size = 0;
memset(sara_write_command, 0x00, sizeof(sara_write_command));
sara_write_command_size = sprintf(sara_write_command, "AT+USORD=%d,%d",
sara_tcp_read_socket_number, sara_tcp_read_socket_data_size);
if (sara_data_write((uint8_t*) sara_write_command, sara_write_command_size,
wait)) {
if (sara_evt_state == SARA_OK) {
return 0x01;
}
}
return 0x00;
}
uint8_t sara_u2_init_config_setup(void) {
if (!set_sara_echo_off(10)) {
return 0x00;
}
if (!get_sara_sim_id(10)) {
return 0x00;
}
return 0x01;
}
uint8_t sara_u2_init_network_setup(void) {
if (!get_sara_csq_network_state(1000, 10)) {
return 0x00;
}
if (!get_sara_gatt_state(1000, 10)) {
return 0x00;
}
if (!get_sara_pdp_state(1000, 10)) {
return 0x00;
}
if (!set_sara_gprs_state(1000)) {
return 0x00;
}
return 0x01;
}
uint8_t sara_u2_tcp_data_upload(uint8_t *buffer, uint16_t size) {
if (!set_sara_socket_create(100)) {
return 0x00;
}
if (!set_sara_socket_connect("121.130.26.214", 8888, 100)) {
return 0x00;
}
if (!set_sara_socket_write_data_size(size, 10)) {
return 0x00;
}
if (!set_sara_socket_write_data(buffer, size, 100)) {
return 0x00;
}
if (!get_sara_socket_wait_receive_data(100)) {
return 0x00;
}
if (!get_sara_socket_receive_data(50)) {
return 0x00;
}
return 0x01;
}
uint16_t get_sarau2_socket_recevice_buffer_datat(uint8_t *buffer) {
memcpy(buffer, sara_tcp_read_data, sara_tcp_read_socket_data_size);
return sara_tcp_read_socket_data_size;
}
void sara_u2_uart_input(uint8_t data) {
data_array[data_array_index++] = data;
if (sara_evt_state == SARA_TCP_WRITE_REQUEST) {
if (data_array[data_array_index - 1] == '@') {
sara_ack = 0x01;
sara_evt_state = SARA_OK;
}
data_array_index = 0;
} else if (sara_evt_state == SARA_TCP_READ_DATA) {
if (sara_tcp_read_data_step == 0x00) {
if (data_array[data_array_index - 1] == '+') {
sara_tcp_read_data_step = 0x01;
} else {
sara_tcp_read_data_step = 0x00;
}
data_array_index = 0;
} else if (sara_tcp_read_data_step == 0x01) {
if (data_array[data_array_index - 1] == 'U') {
sara_tcp_read_data_step = 0x02;
} else {
sara_tcp_read_data_step = 0x00;
}
data_array_index = 0;
} else if (sara_tcp_read_data_step == 0x02) {
if (data_array[data_array_index - 1] == 'S') {
sara_tcp_read_data_step = 0x03;
} else {
sara_tcp_read_data_step = 0x00;
}
data_array_index = 0;
} else if (sara_tcp_read_data_step == 0x03) {
if (data_array[data_array_index - 1] == 'O') {
sara_tcp_read_data_step = 0x04;
} else {
sara_tcp_read_data_step = 0x00;
}
data_array_index = 0;
} else if (sara_tcp_read_data_step == 0x04) {
if (data_array[data_array_index - 1] == 'R') {
sara_tcp_read_data_step = 0x05;
} else {
sara_tcp_read_data_step = 0x00;
}
data_array_index = 0;
} else if (sara_tcp_read_data_step == 0x05) {
if (data_array[data_array_index - 1] == 'D') {
sara_tcp_read_data_step = 0x06;
} else {
sara_tcp_read_data_step = 0x00;
}
data_array_index = 0;
} else if (sara_tcp_read_data_step == 0x06) {
if (data_array[data_array_index - 1] == ':') {
sara_tcp_read_data_step = 0x07;
} else {
sara_tcp_read_data_step = 0x00;
}
data_array_index = 0;
} else if (sara_tcp_read_data_step == 0x07) {
if (data_array[data_array_index - 1] == '\"') {
sara_tcp_read_data_step = 0x08;
}
data_array_index = 0;
} else if (sara_tcp_read_data_step == 0x08) {
if (sara_tcp_read_data_size >= sara_tcp_read_socket_data_size) {
sara_tcp_read_data_step = 0x09;
} else {
sara_tcp_read_data[sara_tcp_read_data_size++] =
data_array[data_array_index - 1];
}
data_array_index = 0;
} else if (sara_tcp_read_data_step == 0x09) {
if ((data_array[data_array_index - 1] == '\n')
&& (data_array[data_array_index - 2] == '\r')) {
if (strncmp("OK", (char*) data_array, 2) == 0) {
sara_ack = 0x01;
sara_evt_state = SARA_OK;
}
data_array_index = 0;
}
}
} else {
if ((data_array[data_array_index - 1] == '\n')
&& (data_array[data_array_index - 2] == '\r')) {
if (sara_evt_state == SARA_ECHO_TEST) {
if (strncmp("OK", (char*) data_array, 2) == 0) {
sara_ack = 0x01;
sara_evt_state = SARA_OK;
}
} else if (sara_evt_state == SARA_GPIO_1_SETUP) {
if (strncmp("OK", (char*) data_array, 2) == 0) {
sara_ack = 0x01;
sara_evt_state = SARA_OK;
} else if (strncmp("ERROR", (char*) data_array, 5) == 0) {
sara_ack = 0x01;
sara_evt_state = SARA_ERROR;
}
} else if (sara_evt_state == SARA_SET_POWER_SAVE_MODE) {
if (strncmp("OK", (char*) data_array, 2) == 0) {
sara_ack = 0x01;
sara_evt_state = SARA_OK;
} else if (strncmp("ERROR", (char*) data_array, 5) == 0) {
sara_ack = 0x01;
sara_evt_state = SARA_ERROR;
}
} else if (sara_evt_state == SARA_ECHO_OFF) {
if (strncmp("OK", (char*) data_array, 2) == 0) {
sara_ack = 0x01;
sara_evt_state = SARA_OK;
} else if (strncmp("ERROR", (char*) data_array, 5) == 0) {
sara_ack = 0x01;
sara_evt_state = SARA_ERROR;
}
} else if (sara_evt_state == SARA_DISABLE_ETC) {
if (strncmp("OK", (char*) data_array, 2) == 0) {
sara_ack = 0x01;
sara_evt_state = SARA_OK;
} else if (strncmp("ERROR", (char*) data_array, 5) == 0) {
sara_ack = 0x01;
sara_evt_state = SARA_ERROR;
}
} else if (sara_evt_state == SARA_READ_SIM_ID) {
if (strncmp("OK", (char*) data_array, 2) == 0) {
sara_ack = 0x01;
sara_evt_state = SARA_OK;
} else if (strncmp("ERROR", (char*) data_array, 5) == 0) {
sara_ack = 0x01;
sara_evt_state = SARA_ERROR;
} else if (strncmp("+CCID: ", (char*) data_array, 7) == 0) {
sara_sim_number_size = 0;
for (uint16_t i = 7; i < data_array_index - 2; i++) {
sara_sim_serial_number[sara_sim_number_size++] =
data_array[i];
}
}
} else if (sara_evt_state == SARA_CSQ_READ) {
if (strncmp("OK", (char*) data_array, 2) == 0) {
sara_ack = 0x01;
sara_evt_state = SARA_OK;
} else if (strncmp("ERROR", (char*) data_array, 5) == 0) {
sara_ack = 0x01;
sara_evt_state = SARA_ERROR;
} else if (strncmp("+CSQ: ", (char*) data_array, 6) == 0) {
char *ptr = (char*) data_array;
sara_signal_power = strtol(ptr + 6, &ptr, 10);
sara_signal_qual = strtol(ptr + 1, &ptr, 10);
}
} else if (sara_evt_state == SARA_GATT_READ) {
if (strncmp("OK", (char*) data_array, 2) == 0) {
sara_ack = 0x01;
sara_evt_state = SARA_OK;
} else if (strncmp("ERROR", (char*) data_array, 5) == 0) {
sara_ack = 0x01;
sara_evt_state = SARA_ERROR;
} else if (strncmp("+CGATT: ", (char*) data_array, 8) == 0) {
char *ptr = (char*) data_array;
sara_gatt_state = strtol(ptr + 8, &ptr, 10);