#ifndef __DAC38J82_H__ #define __DAC38J82_H__ #include "type.h" #define DAC38J82_SPI_NODE "/dev/spidev32766.1" #define WIDTH_32BIT 4 #define WIDTH_24BIT 3 #define WIDTH_16BIT 2 #define WIDTH_8BIT 1 typedef enum _do_cfg_38j82_step{ DAC38J82_CFG_STEP_ONE= 0, DAC38J82_CFG_STEP_TWO= 1, DAC38J82_CFG_STEP_DONE }DAC38J82_CFG_STEP; #define CLR_BIT(x,bitops) (x &= ~(1<