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