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lp55231.h
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#ifndef _LP55231_H_
#define _LP55231_H_
#include <stm32f10x.h>
#define LP55231_SLAVE0 0x32
#define LP55231_SLAVE1 0x33
#define LP55231_SLAVE2 0x34
#define LP55231_SLAVE3 0x35 //同一i2c总线最多连接4个lp55231
//寄存器
#define REG_CNTRL1 0X00
#define REG_CNTRL2 0X01
#define REG_OUT_DIM_MSB 0X02 //使能调光比例输出D9,寄存器值xxxxxxx0
#define REG_OUT_DIM_LSB 0X03 //使能调光比例输出D1——D7
#define REG_OUT_EN_MSB 0X04 //开启/关闭输出D9，寄存器xxxxxxx1
#define REG_OUT_EN_LSB 0X05 //开启/关闭输出D1-D7
#define REG_D1_CONTROL 0X06
#define REG_D2_CONTROL 0X07
#define REG_D3_CONTROL 0X08
#define REG_D4_CONTROL 0X09
#define REG_D5_CONTROL 0X0A
#define REG_D6_CONTROL 0X0B
#define REG_D7_CONTROL 0X0C
#define REG_D8_CONTROL 0X0D
#define REG_D9_CONTROL 0X0E
//0X0F——0X15 reserved
#define REG_D1_PWM 0X16
#define REG_D2_PWM 0X17
#define REG_D3_PWM 0X18
#define REG_D4_PWM 0X19
#define REG_D5_PWM 0X1A
#define REG_D6_PWM 0X1B
#define REG_D7_PWM 0X1C
#define REG_D8_PWM 0X1D
#define REG_D9_PWM 0X1E
//0X1F——0X25 reserved
#define REG_D1_CURRENT 0X26 //电流控制，默认17.5ma
#define REG_D2_CURRENT 0X27
#define REG_D3_CURRENT 0X28
#define REG_D4_CURRENT 0X29
#define REG_D5_CURRENT 0X2A
#define REG_D6_CURRENT 0X2B
#define REG_D7_CURRENT 0X2C
#define REG_D8_CURRENT 0X2D
#define REG_D9_CURRENT 0X2E
//0X2F——0X35 reserved
#define REG_MISC 0X36
#define REG_ENGINE1_PC 0X37
#define REG_ENGINE2_PC 0X38
#define REG_ENGINE3_PC 0X39
#define REG_STATUS 0X3A //状态位
#define REG_INT_GPPO 0X3B //设置gpio引脚
#define REG_VARIABLE 0X3C
#define REG_RESET 0X3D //复位ic
#define REG_TEMP_CONTROL 0X3E //温度转换设定
#define REG_READ_TEMP 0X3F //读取温度
#define REG_WRITE_TEMP 0X3F
#define REG_LED_TEST_CON 0X41
#define REG_LED_TEST_ADC 0X42
//0X43 0X44 reserved
#define REG_ENGINE1_VALUE 0X45
#define REG_ENGINE2_VALUE 0X46
#define REG_ENGINE3_VALUE 0X47
#define REG_MASTER_FADER1 0X48
#define REG_MASTER_FADER2 0X49
#define REG_MASTER_FADER3 0X4A
//0X4B reserved
#define REG_ENG1_START_A 0X4C
#define REG_ENG2_START_A 0X4D
#define REG_ENG3_START_A 0X4E
#define REG_MEM_PAGE_SEL 0X4F
/* Bit description in registers */
#define LP55231_ENABLE 0x40
#define LP55231_AUTO_INC 0x40
#define LP55231_PWR_SAVE 0x20
#define LP55231_PWM_PWR_SAVE 0x04
#define LP55231_CP_AUTO 0x18
#define LP55231_AUTO_CLK 0x02
/*外部函数*/
extern void lp55231_init(void);
extern void lp55231_set_led(u8 lp55231_no,u16 led_bit,u8 led_state);
extern void lp55231_set_led_pwm(u8 lp55231_no,u8 led_no,u8 led_pwm);
extern void lp55231_set_led_current(u8 lp55231_no,u8 led_no,u8 led_current);
extern void light_control(u8 led_no,u8 bright);
#endif