Question
iis3dwb唤醒中断无法实现
初始化寄存器的参数配置
SPI_write_reg(FIFO_CTRL4, 0x00);//fifo——mode
// SPI_write_reg(INTERRUPTS_EN, 0x00);//inter
SPI_write_reg(CTRL3_C, 0x05); //high_act no_reset
SPI_write_reg(CTRL1_XL, 0xA4); //full_scale
SPI_write_reg(CTRL3_C, 0x04); //high_act no_reset
SPI_write_reg(CTRL4_C, 0x08|0x04); //drdy_1
SPI_write_reg(CTRL5_C, 0x20); //xunhuan20
SPI_write_reg(CTRL7_C, 0x02);
SPI_write_reg(FIFO_CTRL2, 0x00); //81
SPI_write_reg(FIFO_CTRL3, 0x0a); // fifo_rate
SPI_write_reg(FIFO_CTRL4, 0x06); //
SPI_write_reg(WAKE_UP_DUR, 0x08);//0 du du thsw sdu sdu sdu sdu
SPI_write_reg(WAKE_UP_THS, 0x02);//(lsb*32/256)0 wu 00 0000
SPI_write_reg(SLOPE_EN, 0x20);//suocun
SPI_write_reg(INTERRUPTS_EN, 0x80);//inter
// SPI_write_reg(MD1_CFG, 0x20);//
SPI_write_reg(MD2_CFG, 0x80);//
高电平激活,根据文档例程设置,但是无法实现唤醒中断
