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@@ -0,0 +1,196 @@
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+/*
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+ * Copyright (c) 2006-2020, RT-Thread Development Team
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+ *
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+ * SPDX-License-Identifier: Apache-2.0
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+ *
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+ * Change Logs:
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+ * Date Author Notes
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+ * 2020-12-19 zhangsz add virtual sensor device
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+ */
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+
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+#include <rtthread.h>
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+
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+#ifdef PKG_USING_VIRTUAL_SENSOR_ACCE
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+
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+#include "sensor.h"
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+#include <stdlib.h>
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+
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+#define DBG_ENABLE
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+#define DBG_SECTION_NAME "v_acce"
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+#define DBG_LEVEL DBG_LOG
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+#include <rtdbg.h>
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+
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+enum SENS_ACCE_ID
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+{
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+ SENS_ACCE_01 = 0, //Accelerometer
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+ SENS_ACCE_MAX,
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+};
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+
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+#define SENS_BUS_NAME "sens_bus"
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+#define SENS_ACCE_01_SENSOR_ID (RT_SENSOR_CLASS_ACCE + 0x10)
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+
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+struct sens_acce
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+{
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+ char* dev_name;
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+ rt_uint8_t sens_id;
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+};
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+
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+static struct sens_acce sens_acce_tbl[SENS_ACCE_MAX] =
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+{
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+ {V_SENS_ACCE_DEV_NAME, 0x00 }, /* Accelerometer */
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+};
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+
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+static struct rt_sensor_info acce_info_tbl[SENS_ACCE_MAX] =
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+{
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+ {RT_SENSOR_CLASS_ACCE, RT_SENSOR_VENDOR_BOSCH, RT_NULL, RT_SENSOR_UNIT_MG, RT_SENSOR_INTF_SPI, 2048, -2048, 1 },
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+};
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+
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+static rt_uint8_t sensor_get_id(rt_uint8_t sens_index)
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+{
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+ rt_uint8_t chip_id = 0x00;
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+
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+ switch (sens_index)
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+ {
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+ case SENS_ACCE_01:
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+ chip_id = SENS_ACCE_01_SENSOR_ID;
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+ break;
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+ default:
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+ break;
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+ }
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+
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+ return chip_id;
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+}
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+
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+static int sensor_init(rt_uint8_t index)
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+{
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+ sens_acce_tbl[index].sens_id = sensor_get_id(index);
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+
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+ return RT_EOK;
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+}
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+
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+static void* _sensor_create(struct rt_sensor_intf* intf, rt_uint8_t index)
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+{
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+ if (sensor_init(index) != RT_EOK)
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+ {
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+ LOG_E("%s:error!", __func__);
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+ }
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+
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+ return 0;
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+}
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+
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+static rt_err_t _sensor_set_odr(rt_sensor_t sensor, rt_uint16_t odr)
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+{
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+ LOG_D("%s:odr=%d", __func__, odr);
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+ return RT_EOK;
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+}
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+static rt_err_t _sensor_set_range(rt_sensor_t sensor, rt_uint16_t range)
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+{
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+ LOG_D("%s:range=%d", __func__, range);
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+ return RT_EOK;
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+}
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+
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+static rt_err_t _sensor_set_power(rt_sensor_t sensor, rt_uint8_t power)
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+{
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+ rt_int8_t rslt = 0;
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+ LOG_D("%s:power=%d", __func__, power);
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+ return rslt;
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+}
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+
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+static rt_size_t acce_sensor_fetch_data(struct rt_sensor_device* sensor, void* buf, rt_size_t len)
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+{
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+ struct rt_sensor_data* data = buf;
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+ rt_int16_t max_range = 0;
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+
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+ max_range = acce_info_tbl[SENS_ACCE_01].range_max - acce_info_tbl[SENS_ACCE_01].range_min;
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+ data->type = RT_SENSOR_CLASS_TVOC;
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+ data->data.acce.x = rand() % max_range + acce_info_tbl[SENS_ACCE_01].range_min;
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+ data->data.acce.y = rand() % max_range + acce_info_tbl[SENS_ACCE_01].range_min;
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+ data->data.acce.z = rand() % max_range + acce_info_tbl[SENS_ACCE_01].range_min;
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+ data->timestamp = rt_sensor_get_ts();
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+ LOG_D("%s:%d,%d,%d", __func__, data->data.acce.x,
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+ data->data.acce.y, data->data.acce.z);
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+ return RT_EOK;
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+}
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+
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+static rt_err_t acce_sensor_control(struct rt_sensor_device* sensor, int cmd, void* args)
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+{
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+ rt_err_t result = RT_EOK;
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+
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+ switch (cmd)
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+ {
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+ case RT_SENSOR_CTRL_GET_ID:
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+ *(rt_uint8_t*)args = sens_acce_tbl[SENS_ACCE_01].sens_id;
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+ break;
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+ case RT_SENSOR_CTRL_SET_ODR:
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+ result = _sensor_set_odr(sensor, (rt_uint32_t)args & 0xffff);
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+ break;
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+ case RT_SENSOR_CTRL_SET_RANGE:
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+ result = _sensor_set_range(sensor, (rt_uint32_t)args);
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+ break;
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+ case RT_SENSOR_CTRL_SET_POWER:
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+ result = _sensor_set_power(sensor, (rt_uint32_t)args & 0xff);
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+ break;
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+ case RT_SENSOR_CTRL_SELF_TEST:
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+ /* TODO */
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+ result = -RT_EINVAL;
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+ break;
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+ default:
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+ return -RT_EINVAL;
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+ }
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+ return result;
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+}
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+
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+static struct rt_sensor_ops sensor_ops[] =
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+{
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+ {acce_sensor_fetch_data, acce_sensor_control},
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+};
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+
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+int rt_vd_sens_acce_init(void)
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+{
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+ rt_int8_t result;
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+ rt_uint8_t index = 0;
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+ rt_sensor_t sensor_dat = RT_NULL;
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+ struct rt_sensor_config cfg;
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+
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+ cfg.intf.dev_name = SENS_BUS_NAME;
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+ cfg.intf.user_data = RT_NULL;
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+ cfg.irq_pin.pin = RT_PIN_NONE;
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+
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+ for (index = 0; index < SENS_ACCE_MAX; index++)
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+ {
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+ _sensor_create(&cfg.intf, index);
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+ sensor_dat = rt_calloc(1, sizeof(struct rt_sensor_device));
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+ if (sensor_dat == RT_NULL)
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+ {
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+ LOG_E("rt_hw_sens_init:rt_calloc err!");
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+ return -RT_ERROR;
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+ }
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+
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+ sensor_dat->info.type = acce_info_tbl[index].type;
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+ sensor_dat->info.vendor = acce_info_tbl[index].vendor;
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+ sensor_dat->info.model = acce_info_tbl[index].model;
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+ sensor_dat->info.unit = acce_info_tbl[index].unit;
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+ sensor_dat->info.intf_type = acce_info_tbl[index].intf_type;
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+ sensor_dat->info.range_max = acce_info_tbl[index].range_max;
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+ sensor_dat->info.range_min = acce_info_tbl[index].range_min;
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+ sensor_dat->info.period_min = acce_info_tbl[index].period_min;
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+
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+ rt_memcpy(&sensor_dat->config, &cfg, sizeof(struct rt_sensor_config));
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+ sensor_dat->ops = &sensor_ops[index];
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+
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+ result = rt_hw_sensor_register(sensor_dat, sens_acce_tbl[index].dev_name, RT_DEVICE_FLAG_RDWR, RT_NULL);
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+ if (result != RT_EOK)
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+ {
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+ LOG_E("device register err code: %d", result);
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+ rt_free(sensor_dat);
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+ return -RT_ERROR;
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+ }
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+ }
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+
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+ return RT_EOK;
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+}
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+
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+INIT_DEVICE_EXPORT(rt_vd_sens_acce_init);
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+
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+#endif
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+
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