mbtk/mbtk_gnssd/gnss_hd8122.c

/*
*    gnss_hd8122.c
*
*    HD8122 GNSS source.
*
*/
/******************************************************************************

                          EDIT HISTORY FOR FILE

  WHEN        WHO       WHAT,WHERE,WHY
--------    --------    -------------------------------------------------------
2024/6/14     LiuBin      Initial version

******************************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <errno.h>
#include <fcntl.h>

#include "mbtk_log.h"
#include "mbtk_type.h"
#include "mbtk_gpio.h"
#include "gnss_utils.h"
#include "gnss_hd8122.h"

#define UART_BITRATE_NMEA_DEF_FW    115200   // Default bitrate.
#define GNSS_POWER_GPIO 43

static pthread_cond_t read_cond;
static pthread_mutex_t read_mutex;


int gnss_8122_dev_open()
{
    return mbtk_gpio_value_set(GNSS_POWER_GPIO, MBTK_GPIO_DIRECT_OUT, 1);
}

int gnss_8122_dev_close()
{
    return mbtk_gpio_value_set(GNSS_POWER_GPIO, MBTK_GPIO_DIRECT_OUT, 0);
}

int gnss_8122_open(const char *dev)
{
    pthread_mutex_init(&read_mutex, NULL);
    pthread_cond_init(&read_cond, NULL);
    return gnss_port_open(dev, O_RDWR | O_NONBLOCK | O_NOCTTY, UART_BITRATE_NMEA_DEF_FW, TRUE);
}

int gnss_8122_close(int fd)
{
    pthread_mutex_destroy(&read_mutex);
    pthread_cond_destroy(&read_cond);
    return gnss_port_close(fd);
}

int gnss_8122_fw_dl()
{
    return 0;
}


gnss_err_enum gnss_8122_set(int fd, const char *cmd, void *cmd_rsp, int cmd_rsp_len)
{
    return GNSS_ERR_OK;
}