rel_1.6.0 init

Living_SDK/device/gps/hal/gps_hal.c

@@ -0,0 +1,267 @@
+/*
+* Copyright (C) 2015-2017 Alibaba Group Holding Limited
+*
+*
+*/
+
+#include "gps_hal.h"
+
+static gps_obj_t *g_gps_obj;
+static uint32_t g_gps_sensor_cnt = 0;
+static int      g_gps_init_flag = 0;
+
+static int gps_hal_get_dev_list(void* buf)
+{
+    sensor_list_t* list = buf;
+    if(buf == NULL)
+        return -1;
+    
+    if (list->cnt >= TAG_DEV_SENSOR_NUM_MAX){
+        LOG("list->cnt == %d    %d\n",list->cnt,TAG_DEV_SENSOR_NUM_MAX);
+        return -1;
+    }
+    
+    list->list[list->cnt] = g_gps_obj->tag;
+    
+    list->cnt ++;
+
+    return 0;
+}
+
+  
+static int gps_open(inode_t *node, file_t *file)
+{
+    if((node == NULL)||(file == NULL)){
+        return -1;
+    }
+
+    /* just open the /dev/nodegps node here */
+    if(strncmp(gps_node_path, node->i_name, strlen(node->i_name)) == 0){
+        return 0;
+    }
+    if( g_gps_obj->open == NULL){
+        return -1;
+    }
+
+    if(g_gps_obj->ref == 0){
+        g_gps_obj->open();
+    }
+    g_gps_obj->ref++;
+    
+    LOG("%s %s successfully\n", GPS_STR, __func__);
+    return 0;
+}
+
+
+static int gps_close(file_t *file)
+{
+    if(strncmp(gps_node_path, (file->node->i_name), strlen(file->node->i_name)) == 0){
+        return 0;
+    }    
+    
+    if( g_gps_obj->close == NULL){
+        return -1;
+    }
+    //if the ref counter is less than 2, then close the sensor
+    if(g_gps_obj->ref < 2){
+        g_gps_obj->close();
+    }
+    
+    if(g_gps_obj->ref > 0){
+        g_gps_obj->ref--;
+    }
+    return 0;
+}
+
+
+
+static ssize_t gps_read(file_t *f, void *buf, size_t len)
+{
+    int ret = 0;
+    
+    if(f == NULL){
+        return -1;
+    }
+    
+    if( g_gps_obj->read == NULL){
+        goto error;
+    }
+
+    if(buf == NULL){
+        goto error;
+    }
+    
+    ret = g_gps_obj->read(buf, len);
+    if(ret < 0){
+        goto error;
+    }
+    
+    LOG("%s %s successfully\n", GPS_STR, __func__);
+    return ret;
+    
+error:
+    return -1;
+}
+
+static ssize_t gps_write(file_t *f, const void *buf, size_t len)
+{
+    /* no need this functionality recently */
+    return 0;
+}
+
+
+static int gps_ioctl(file_t *f, int cmd, unsigned long arg)
+{
+    int ret = 0;
+    int index = 0;
+
+    if(f == NULL){
+        return -1;
+    }
+    
+    if(cmd == SENSOR_IOCTL_GET_SENSOR_LIST){
+        ret = gps_hal_get_dev_list(arg);
+        if(ret != 0){
+            return -1;
+        }
+        return 0;
+    }
+    
+    if(g_gps_obj->ioctl == NULL){
+        return -1;
+    }
+
+    ret = g_gps_obj->ioctl(cmd, arg);
+    if(ret != 0){
+        return -1;
+    }
+    LOG("%s %s successfully\n", GPS_STR, __func__);
+    return 0;
+}
+
+static int  gps_register_irq(void)
+{
+    // will implement later
+    return 0;
+}
+
+file_ops_t gps_fops = {
+    .open  = gps_open,
+    .close = gps_close,
+    .read  = gps_read,
+    .write = gps_write,
+    .ioctl = gps_ioctl,
+};
+
+
+static int gps_obj_register( )
+{
+    int ret = 0;
+
+    if((g_gps_obj->mode == DEV_INT)){
+        ret = gps_register_irq();
+        if (ret != 0) {
+            return -1;
+        }
+    }
+
+    ret = aos_register_driver(g_gps_obj->path, &gps_fops, NULL);
+    if (ret != 0) {
+        return -1;
+    }
+    return 0;
+}    
+
+int gps_create_obj(gps_obj_t* gpsobj)
+{   
+    int ret = 0;
+    
+    g_gps_obj = (gps_obj_t*)aos_malloc(sizeof(gps_obj_t));
+    if(g_gps_obj == NULL){
+        return -1;
+    }
+    memset(g_gps_obj, 0, sizeof(gps_obj_t));
+
+    /* install the phy sensor info into the sensor object datebase here */
+    g_gps_obj->io_port    = gpsobj->io_port;
+    g_gps_obj->path       = gpsobj->path;
+    g_gps_obj->tag        = gpsobj->tag;
+    g_gps_obj->open       = gpsobj->open;
+    g_gps_obj->close      = gpsobj->close;
+    g_gps_obj->ioctl      = gpsobj->ioctl;
+    g_gps_obj->read       = gpsobj->read;
+    g_gps_obj->write      = gpsobj->write;
+    g_gps_obj->irq_handle = gpsobj->irq_handle;
+    g_gps_obj->mode       = gpsobj->mode;
+    g_gps_obj->power      = DEV_POWER_OFF; // will update the status later
+    g_gps_obj->ref        = 0; // count the ref of this sensor
+    /* register the sensor object into the irq list and vfs */
+    ret = gps_obj_register();
+    if (ret != 0) {
+        goto error;
+    }
+    LOG("%s %s successfully \n", GPS_STR, __func__);
+    return 0;
+
+error:
+    free(g_gps_obj);
+    return -1;
+}
+
+
+static int gps_hal_register(void)
+{
+    int ret = 0;
+    ret = aos_register_driver(gps_node_path, &gps_fops, NULL);
+    if (ret != 0) {
+        return -1;
+    }
+    return 0;
+}
+
+work_mode_e gps_mode_get(void)
+{
+    if(0 == g_gps_init_flag){
+        LOG("%s : %d\n",__func__,__LINE__);
+        return DEV_MODE_INV;
+    }
+    
+    if(NULL == g_gps_obj){
+        LOG("%s : %d\n",__func__,__LINE__);
+        return DEV_MODE_INV;
+    }
+
+    if(g_gps_obj->mode >= DEV_MODE_INV){
+        LOG("%s : %d\n",__func__,__LINE__);
+        return DEV_MODE_INV;
+    }
+
+    return g_gps_obj->mode;
+}
+
+int gps_init(void)
+{
+    int ret   = 0;
+    
+#ifdef AOS_GPS_SIM868
+    ret = gps_simcom_sim868_init();
+    if(ret != 0){
+        LOG("%s %s fail \n", GPS_STR, __func__);
+        return -1;
+    }
+#endif
+
+    ret = gps_hal_register();
+    if(ret != 0){
+        
+        LOG("%s %s fail \n", GPS_STR, __func__);
+        return -1;
+    }
+    g_gps_init_flag = 1;
+
+    LOG("%s %s successfully\n", GPS_STR, __func__);
+    return 0;
+}
+
+
+

Living_SDK/device/gps/hal/gps_hal.h

@@ -0,0 +1,63 @@
+/*
+* Copyright (C) 2015-2017 Alibaba Group Holding Limited
+*
+*
+*/
+
+#ifndef GPS_HAL_H
+#define GPS_HAL_H
+
+#include <stdio.h>
+#include <stdarg.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <ctype.h>
+#include <string.h>
+#include <limits.h>
+    
+#include <aos/aos.h>
+#include <vfs_conf.h>
+#include <vfs_err.h>
+#include <vfs_register.h>
+#include <hal/base.h>
+#include "common.h"
+#include "hal/sensor.h"
+    
+#ifdef AOS_ATCMD
+#include <atparser.h>
+#endif
+
+#define GPS_EV_UDATA            (0x40)
+#define GPS_DEV_READ            (1)
+#define GPS_DEV_PROC            (2)
+#define GPS_DEV_SEND            (3)
+
+#define GPS_RCV_DATA_LEN        (256)
+
+typedef struct _gps_obj_t {
+    char*                    path;
+    sensor_tag_e             tag;
+    dev_io_port_e            io_port;
+    work_mode_e              mode;
+    dev_power_mode_e         power;
+    gpio_dev_t               gpio;
+    dev_sensor_full_info_t   info;
+    uint8_t                  ref;
+    int (*open)(void);
+    int (*close)(void);
+    int (*read)(void *, size_t);
+    int (*write)(const void *buf, size_t len);
+    int (*ioctl)(int cmd, unsigned long arg);
+    void(*irq_handle)(void);
+}gps_obj_t;
+
+extern int gps_simcom_sim868_init(void);
+extern int gps_simcom_sim868_proc(const char* str, gps_data_t* pgpsdata);
+extern int gps_gp_proc(const char* str, gps_data_t* pgpsdata);
+extern work_mode_e gps_mode_get(void);
+extern int gps_create_obj(gps_obj_t* gpsobj);
+
+
+#endif /* GPS_HAL_H */
+
+