adding in code
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#include <Arduino.h>
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#include <Wire.h>
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#include "PAJ7620U2.h"
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uint8_t I2C_readByte(uint8_t addr)
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{
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Wire.beginTransmission(PAJ7620U2_I2C_ADDRESS);
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Wire.write(addr);
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Wire.endTransmission();
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Wire.requestFrom(PAJ7620U2_I2C_ADDRESS, 1);
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if (Wire.available()) {
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return Wire.read();
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}
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return 0;
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}
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uint16_t I2C_readU16(uint8_t addr)
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{
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uint16_t x; uint16_t t;
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Wire.beginTransmission(PAJ7620U2_I2C_ADDRESS);
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Wire.write(addr);
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Wire.endTransmission();
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Wire.requestFrom(PAJ7620U2_I2C_ADDRESS, 2);
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t = Wire.read();
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x = Wire.read();
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x <<= 8;
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x |= t;
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return x;
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}
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void I2C_writeByte(uint8_t addr, uint8_t data)
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{
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Wire.beginTransmission(PAJ7620U2_I2C_ADDRESS);
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Wire.write(addr);
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Wire.write(data & 0xFF);
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Wire.endTransmission();
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}
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uint8_t PAJ7620U2_init()
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{
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uint8_t i,State;
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State =I2C_readByte(0x00); //Read State
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if (State != 0x20) return 0; //Wake up failed
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I2C_writeByte(PAJ_BANK_SELECT, 0); //Select Bank 0
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for (i=0;i< Init_Array;i++)
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{
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I2C_writeByte(Init_Register_Array[i][0], Init_Register_Array[i][1]);//Power up initialize
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}
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return 1;
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}
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@@ -0,0 +1,178 @@
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#ifndef _PAJ7620U2_
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#define _PAJ7620U2_
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//i2c address
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#define PAJ7620U2_I2C_ADDRESS 0x73
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//Register Bank select
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#define PAJ_BANK_SELECT 0xEF /*Bank0=0x00,Bank1=0x01*/
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//Register Bank 0
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#define PAJ_SUSPEND 0x03 /*I2C suspend command (Write 0x01 to enter suspend state). I2C wake-up command is slave ID wake-up. Refer to topic ��I2C Bus Timing Characteristics and Protocol��*/
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#define PAJ_INT_FLAG1_MASK 0x41 /*Gesture detection interrupt flag mask*/
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#define PAJ_INT_FLAG2_MASK 0x42 /*Gesture/PS detection interrupt flag mask*/
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#define PAJ_INT_FLAG1 0x43 /*Gesture detection interrupt flag*/
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#define PAJ_INT_FLAG2 0x44 /*Gesture/PS detection interrupt flag*/
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#define PAJ_STATE 0x45 /*State indicator for gesture detection (Only functional at gesture detection mode)*/
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#define PAJ_PS_HIGH_THRESHOLD 0x69 /*PS hysteresis high threshold (Only functional at proximity detection mode)*/
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#define PAJ_PS_LOW_THRESHOLD 0x6A /*PS hysteresis low threshold (Only functional at proximity detection mode)*/
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#define PAJ_PS_APPROACH_STATE 0x6B /*PS approach state, Approach = 1 , (8 bits PS data >= PS high threshold), Not Approach = 0 , (8 bits PS data <= PS low threshold)(Only functional at proximity detection mode)*/
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#define PAJ_PS_DATA 0x6C /*PS 8 bit data(Only functional at gesture detection mode)*/
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#define PAJ_OBJ_BRIGHTNESS 0xB0 /*Object Brightness (Max. 255)*/
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#define PAJ_OBJ_SIZE_L 0xB1 /*Object Size(Low 8 bit)*/
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#define PAJ_OBJ_SIZE_H 0xB2 /*Object Size(High 8 bit)*/
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//Register Bank 1
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#define PAJ_PS_GAIN 0x44 /*PS gain setting (Only functional at proximity detection mode)*/
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#define PAJ_IDLE_S1_STEP_L 0x67 /*IDLE S1 Step, for setting the S1, Response Factor(Low 8 bit)*/
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#define PAJ_IDLE_S1_STEP_H 0x68 /*IDLE S1 Step, for setting the S1, Response Factor(High 8 bit)*/
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#define PAJ_IDLE_S2_STEP_L 0x69 /*IDLE S2 Step, for setting the S2, Response Factor(Low 8 bit)*/
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#define PAJ_IDLE_S2_STEP_H 0x6A /*IDLE S2 Step, for setting the S2, Response Factor(High 8 bit)*/
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#define PAJ_OPTOS1_TIME_L 0x6B /*OPtoS1 Step, for setting the OPtoS1 time of operation state to standby 1 state(Low 8 bit)*/
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#define PAJ_OPTOS2_TIME_H 0x6C /*OPtoS1 Step, for setting the OPtoS1 time of operation state to standby 1 stateHigh 8 bit)*/
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#define PAJ_S1TOS2_TIME_L 0x6D /*S1toS2 Step, for setting the S1toS2 time of standby 1 state to standby 2 state(Low 8 bit)*/
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#define PAJ_S1TOS2_TIME_H 0x6E /*S1toS2 Step, for setting the S1toS2 time of standby 1 state to standby 2 stateHigh 8 bit)*/
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#define PAJ_EN 0x72 /*Enable/Disable PAJ7620U2*/
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//Gesture detection interrupt flag
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#define PAJ_UP 0x01
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#define PAJ_DOWN 0x02
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#define PAJ_LEFT 0x04
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#define PAJ_RIGHT 0x08
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#define PAJ_FORWARD 0x10
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#define PAJ_BACKWARD 0x20
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#define PAJ_CLOCKWISE 0x40
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#define PAJ_COUNT_CLOCKWISE 0x80
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#define PAJ_WAVE 0x100
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//Initialize array size
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#define Init_Array sizeof(Init_Register_Array)/2
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#define PS_Array_SIZE sizeof(Init_PS_Array)/2
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#define Gesture_Array_SIZE sizeof(Init_Gesture_Array)/2
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//Power up initialize array
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const unsigned char Init_Register_Array[][2] = {
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{0xEF,0x00},
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{0x37,0x07},
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{0x38,0x17},
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{0x39,0x06},
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{0x41,0x00},
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{0x42,0x00},
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{0x46,0x2D},
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{0x47,0x0F},
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{0x48,0x3C},
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{0x49,0x00},
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{0x4A,0x1E},
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{0x4C,0x20},
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{0x51,0x10},
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{0x5E,0x10},
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{0x60,0x27},
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{0x80,0x42},
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{0x81,0x44},
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{0x82,0x04},
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{0x8B,0x01},
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{0x90,0x06},
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{0x95,0x0A},
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{0x96,0x0C},
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{0x97,0x05},
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{0x9A,0x14},
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{0x9C,0x3F},
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{0xA5,0x19},
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{0xCC,0x19},
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{0xCD,0x0B},
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{0xCE,0x13},
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{0xCF,0x64},
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{0xD0,0x21},
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{0xEF,0x01},
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{0x02,0x0F},
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{0x03,0x10},
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{0x04,0x02},
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{0x25,0x01},
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{0x27,0x39},
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{0x28,0x7F},
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{0x29,0x08},
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{0x3E,0xFF},
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{0x5E,0x3D},
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{0x65,0x96},
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{0x67,0x97},
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{0x69,0xCD},
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{0x6A,0x01},
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{0x6D,0x2C},
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{0x6E,0x01},
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{0x72,0x01},
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{0x73,0x35},
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{0x74,0x00},
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{0x77,0x01},
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};
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//Approaches register initialization array
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const unsigned char Init_PS_Array[][2] = {
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{0xEF,0x00},
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{0x41,0x00},
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{0x42,0x00},
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{0x48,0x3C},
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{0x49,0x00},
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{0x51,0x13},
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{0x83,0x20},
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{0x84,0x20},
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{0x85,0x00},
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{0x86,0x10},
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{0x87,0x00},
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{0x88,0x05},
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{0x89,0x18},
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{0x8A,0x10},
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{0x9f,0xf8},
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{0x69,0x96},
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{0x6A,0x02},
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{0xEF,0x01},
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{0x01,0x1E},
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{0x02,0x0F},
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{0x03,0x10},
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{0x04,0x02},
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{0x41,0x50},
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{0x43,0x34},
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{0x65,0xCE},
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{0x66,0x0B},
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{0x67,0xCE},
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{0x68,0x0B},
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{0x69,0xE9},
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{0x6A,0x05},
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{0x6B,0x50},
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{0x6C,0xC3},
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{0x6D,0x50},
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{0x6E,0xC3},
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{0x74,0x05},
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};
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//Gesture register initializes array
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const unsigned char Init_Gesture_Array[][2] = {
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{0xEF,0x00},
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{0x41,0x00},
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{0x42,0x00},
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{0xEF,0x00},
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{0x48,0x3C},
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{0x49,0x00},
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{0x51,0x10},
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{0x83,0x20},
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{0x9F,0xF9},
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{0xEF,0x01},
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{0x01,0x1E},
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{0x02,0x0F},
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{0x03,0x10},
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{0x04,0x02},
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{0x41,0x40},
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{0x43,0x30},
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{0x65,0x96},
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{0x66,0x00},
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{0x67,0x97},
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{0x68,0x01},
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{0x69,0xCD},
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{0x6A,0x01},
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{0x6B,0xB0},
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{0x6C,0x04},
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{0x6D,0x2C},
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{0x6E,0x01},
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{0x74,0x00},
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{0xEF,0x00},
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{0x41,0xFF},
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{0x42,0x01},
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};
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uint8_t I2C_readByte(uint8_t addr);
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uint16_t I2C_readU16(uint8_t addr);
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void I2C_writeByte(uint8_t add, uint8_t data);
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uint8_t PAJ7620U2_init();
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#endif
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@@ -0,0 +1,36 @@
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#include <Wire.h>
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#include "PAJ7620U2.h"
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unsigned short Gesture_Data;
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void setup() {
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uint8_t i;
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Serial.begin(115200);
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Serial.print("\nGesture Sensor Test Program ...\n");
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delayMicroseconds(800);
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Wire.begin();
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delayMicroseconds(10);
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while(!PAJ7620U2_init())
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{ Serial.print("\nGesture Sensor Error\n");
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delay(200);
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}
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Serial.print("\nGesture Sensor OK\n");
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I2C_writeByte(PAJ_BANK_SELECT, 0);//Select Bank 0
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for (i = 0; i < PS_Array_SIZE; i++)
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{
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I2C_writeByte(Init_PS_Array[i][0], Init_PS_Array[i][1]);//Gesture register initializes
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}
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I2C_writeByte(PAJ_BANK_SELECT, 0);
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}
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void loop() {
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uint8_t i, OBJ_BRIGHTNESS;
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unsigned short OBJ_SIZE;
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OBJ_BRIGHTNESS = I2C_readByte(PAJ_OBJ_BRIGHTNESS);
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OBJ_SIZE = I2C_readU16(PAJ_OBJ_SIZE_L);
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Serial.print("Object brightness = ");
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Serial.print(OBJ_BRIGHTNESS);
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Serial.print(" , ");
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Serial.print("Object size = ");
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Serial.print(OBJ_SIZE);
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Serial.print("\r\n");
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delay(300);
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}
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