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PASII/CandeII_1.4/Hardware/lis2dw.c

142 lines
3.7 KiB
C

/*****************************************************************
;Project:
;MCU:
;Date:
;File:
;Function:
******************************************************************/
#include "lis2dw.h"
#include "gpio.h"
#include "i2c.h"
#include "lis2dw12_reg.h"
#include "delay.h"
#include "DebugLog.h"
stmdev_ctx_t dev_ctx1;
static void platform1_delay(uint16_t ms);
static int32_t platform1_write(uint8_t I2C_addr, uint8_t addr, uint8_t* value, uint16_t len);
static int32_t platform1_read(uint8_t I2C_addr,uint8_t regAddress, uint8_t * data, uint16_t len);
/*---------------------------------------------------------------*/
//Lis2dw IO 初始化
void Lis2dw_IO_Init(void)
{
//IIC IO初始化
i2c_Init(I2C1,U32BIT(I2C1_SCLK),U32BIT(I2C1_SDA));
}
/*---------------------------------------------------------------*/
//Lis2dw 初始化
void Lis2dw_Init(void)
{
uint8_t temp = 0;
lis2dw12_ctrl4_int1_pad_ctrl_t int_route;
dev_ctx1.write_reg = platform1_write;
dev_ctx1.read_reg = platform1_read;
dev_ctx1.mdelay = platform1_delay;
dev_ctx1.master_addr = LIS2DW_ADDRESS;
Lis2dw_IO_Init();
//获取设置Id
lis2dw12_device_id_get(&dev_ctx1, &temp);
if(temp == LIS2DW_ID)
{
dbg_printf("device exist\r\n");
}
else
{
dbg_printf("device not exist\r\n");
}
//软件复位, 寄存器到默认配值
lis2dw12_reset_set(&dev_ctx1, PROPERTY_ENABLE);
do {
lis2dw12_reset_get(&dev_ctx1, &temp);
} while (temp);
//设置满量程范围
lis2dw12_full_scale_set(&dev_ctx1, LIS2DW12_2g);
//设置低通滤波和滤波器带宽
lis2dw12_filter_path_set(&dev_ctx1, LIS2DW12_LPF_ON_OUT);
lis2dw12_filter_bandwidth_set(&dev_ctx1,LIS2DW12_ODR_DIV_4);
//配置电源模式
lis2dw12_power_mode_set(&dev_ctx1, LIS2DW12_CONT_LOW_PWR_12bit);
//设置加速度计的唤醒持续时间
lis2dw12_wkup_dur_set(&dev_ctx1,2);
//设置进入睡眠模式前的持续时间
lis2dw12_act_sleep_dur_set(&dev_ctx1,2);
//设置唤醒加速度计所需的活动阈值
lis2dw12_wkup_threshold_set(&dev_ctx1,2);
lis2dw12_wkup_feed_data_set(&dev_ctx1,LIS2DW12_HP_FEED);
//设置加速度计检测活动或静止的模式
lis2dw12_act_mode_set(&dev_ctx1, LIS2DW12_DETECT_ACT_INACT);
//使能活动检测中断
lis2dw12_pin_int1_route_get(&dev_ctx1, &int_route);
int_route.int1_wu = PROPERTY_ENABLE;
lis2dw12_pin_int1_route_set(&dev_ctx1, &int_route);
//设置加速度计的数据输出速率
lis2dw12_data_rate_set(&dev_ctx1, LIS2DW12_XL_ODR_200Hz);
}
/*---------------------------------------------------------------*/
//判断是在静止或者运动状态
void Act_State_Judge(void)
{
lis2dw12_all_sources_t all_source;
/* Read status register */
lis2dw12_all_sources_get(&dev_ctx1, &all_source);
/* Check if Activity/Inactivity events */
if(all_source.wake_up_src.sleep_state_ia)
{
dbg_printf("Inactivity Detected\r\n");
}
if(all_source.wake_up_src.wu_ia)
{
dbg_printf("Activity Detected\r\n");
}
}
/*---------------------------------------------------------------*/
//寄存器写
static int32_t platform1_write(uint8_t I2C_addr, uint8_t addr, uint8_t* value, uint16_t len)
{
ErrorStatus bret = SUCCESS;
bret = i2c_1_write(I2C_addr, 1, addr, value, len);
return (int32_t)(!bret);
}
/*---------------------------------------------------------------*/
//寄存器读
static int32_t platform1_read(uint8_t I2C_addr,uint8_t regAddress, uint8_t * data, uint16_t len)
{
ErrorStatus bret = SUCCESS;
bret = i2c_1_read(I2C_addr, 1, regAddress, data, len);
return (int32_t)(!bret);
}
/*---------------------------------------------------------------*/
//延时
static void platform1_delay(uint16_t ms)
{
delay_ms(ms);
}
/*---------------------------------------------------------------*/