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/*
* Copyright (c) 2020 Analog Life LLC
*
* SPDX-License-Identifier: Apache-2.0
*/
#ifndef QUECTEL_BG9X_H
#define QUECTEL_BG9X_H
#include <zephyr/kernel.h>
#include <ctype.h>
#include <errno.h>
#include <zephyr/drivers/gpio.h>
#include <zephyr/device.h>
#include <zephyr/init.h>
#include <zephyr/net/net_if.h>
#include <zephyr/net/offloaded_netdev.h>
#include <zephyr/net/net_offload.h>
#include <zephyr/net/socket_offload.h>
#include "modem_context.h"
#include "modem_socket.h"
#include "modem_cmd_handler.h"
#include "modem_iface_uart.h"
#define MDM_UART_NODE DT_INST_BUS(0)
#define MDM_UART_DEV DEVICE_DT_GET(MDM_UART_NODE)
#define MDM_CMD_TIMEOUT K_SECONDS(10)
#define MDM_CMD_CONN_TIMEOUT K_SECONDS(120)
#define MDM_REGISTRATION_TIMEOUT K_SECONDS(180)
#define MDM_SENDMSG_SLEEP K_MSEC(1)
#define MDM_MAX_DATA_LENGTH 1024
#define MDM_RECV_MAX_BUF 30
#define MDM_RECV_BUF_SIZE 1024
#define MDM_MAX_SOCKETS 5
#define MDM_BASE_SOCKET_NUM 0
#define MDM_NETWORK_RETRY_COUNT 10
#define MDM_INIT_RETRY_COUNT 10
#define MDM_PDP_ACT_RETRY_COUNT 3
#define MDM_WAIT_FOR_RSSI_COUNT 10
#define MDM_WAIT_FOR_RSSI_DELAY K_SECONDS(2)
#define BUF_ALLOC_TIMEOUT K_SECONDS(1)
#define MDM_MAX_BOOT_TIME K_SECONDS(50)
/* Default lengths of certain things. */
#define MDM_MANUFACTURER_LENGTH 10
#define MDM_MODEL_LENGTH 16
#define MDM_REVISION_LENGTH 64
#define MDM_IMEI_LENGTH 16
#define MDM_IMSI_LENGTH 16
#define MDM_ICCID_LENGTH 32
#define MDM_APN_LENGTH 32
#define RSSI_TIMEOUT_SECS 30
#define MDM_UNSOL_RDY CONFIG_MODEM_QUECTEL_BG9X_UNSOL_RDY
#define MDM_APN CONFIG_MODEM_QUECTEL_BG9X_APN
#define MDM_USERNAME CONFIG_MODEM_QUECTEL_BG9X_USERNAME
#define MDM_PASSWORD CONFIG_MODEM_QUECTEL_BG9X_PASSWORD
/* Modem ATOI routine. */
#define ATOI(s_, value_, desc_) modem_atoi(s_, value_, desc_, __func__)
/* pin settings */
enum mdm_control_pins {
MDM_POWER = 0,
MDM_RESET,
#if DT_INST_NODE_HAS_PROP(0, mdm_dtr_gpios)
MDM_DTR,
#endif
#if DT_INST_NODE_HAS_PROP(0, mdm_wdisable_gpios)
MDM_WDISABLE,
#endif
};
/* driver data */
struct modem_data {
struct net_if *net_iface;
uint8_t mac_addr[6];
/* modem interface */
struct modem_iface_uart_data iface_data;
uint8_t iface_rb_buf[MDM_MAX_DATA_LENGTH];
/* modem cmds */
struct modem_cmd_handler_data cmd_handler_data;
uint8_t cmd_match_buf[MDM_RECV_BUF_SIZE + 1];
/* socket data */
struct modem_socket_config socket_config;
struct modem_socket sockets[MDM_MAX_SOCKETS];
/* RSSI work */
struct k_work_delayable rssi_query_work;
/* modem data */
char mdm_manufacturer[MDM_MANUFACTURER_LENGTH];
char mdm_model[MDM_MODEL_LENGTH];
char mdm_revision[MDM_REVISION_LENGTH];
char mdm_imei[MDM_IMEI_LENGTH];
#if defined(CONFIG_MODEM_SIM_NUMBERS)
char mdm_imsi[MDM_IMSI_LENGTH];
char mdm_iccid[MDM_ICCID_LENGTH];
#endif /* #if defined(CONFIG_MODEM_SIM_NUMBERS) */
int mdm_rssi;
/* bytes written to socket in last transaction */
int sock_written;
/* Socket from which we are currently reading data. */
int sock_fd;
/* Semaphore(s) */
struct k_sem sem_response;
struct k_sem sem_tx_ready;
struct k_sem sem_sock_conn;
#if !DT_INST_NODE_HAS_PROP(0, mdm_reset_gpios)
struct k_sem sem_pin_busy;
#endif
};
/* Socket read callback data */
struct socket_read_data {
char *recv_buf;
size_t recv_buf_len;
struct sockaddr *recv_addr;
uint16_t recv_read_len;
};
#endif /* QUECTEL_BG9X_H */