Guillermo Torijano
Starting library to get the SI1143 Gesture Sensor to work. Currently only works in forced conversion mode.
Dependents: Gesture_Sensor Gesture_Arm_Robot mbed_gesture Gesture_Sensor_Sample ... more
Revision 1:28beeb2f209b, committed 2013-10-17
- Comitter:
- GAT27
- Date:
- Thu Oct 17 20:52:40 2013 +0000
- Parent:
- 0:18ebb7348150
- Child:
- 2:21381f11a5af
- Commit message:
- working, shows all 3 led in forced mode
Changed in this revision
| SI1143.cpp | Show annotated file Show diff for this revision Revisions of this file |
| SI1143.h | Show annotated file Show diff for this revision Revisions of this file |
--- a/SI1143.cpp Thu Oct 17 12:53:08 2013 +0000
+++ b/SI1143.cpp Thu Oct 17 20:52:40 2013 +0000
@@ -4,73 +4,23 @@
{
wait_ms(30);
i2c_ = new I2C(sda, scl);
- //3.4MHz, as specified by the datasheet.
- i2c_->frequency(3400000);
+ //3.4MHz, as specified by the datasheet. (DO NOT USE)
+ //i2c_->frequency(3400000);
command(RESET);
wait_ms(30);
- //bias1=0;
- //bias2=0;
- //bias3=0;
- //PS1=0;
- //PS2=0;
- //PS3=0;
write_reg(HW_KEY,HW_KEY_VAL0); // Setting up LED Power to full
- //write_reg(PS_LED21,0xFF);
write_reg(PS_LED21,0xAA);
- //write_reg(PS_LED3, 0x0F);
write_reg(PS_LED3,0x0A);
- //param_set(CHLIST,0b00010111);
- //param_set(CHLIST,0x17);
- //write_reg(PARAM_WR, 0x17);
write_reg(PARAM_WR, ALS_IR_TASK + ALS_VIS_TASK + PS1_TASK + PS2_TASK + PS3_TASK);
- //write_reg(COMMAND, 0xA0|CHLIST);
command(PARAM_SET + (CHLIST & 0x1F));
write_reg(INT_CFG,0);
write_reg(IRQ_ENABLE,0);
write_reg(IRQ_MODE1,0);
write_reg(IRQ_MODE2,0);
-
- //void write_reg(byte address, byte val) { // Write a resigter
- //Wire.beginTransmission(IR_ADDRESS);
- //Wire.write(address);
- //Wire.write(val);
- //Wire.endTransmission();
-//}
-
- //char parameter = read_reg(PARAM_RD,1);
- // Serial.print("CHLIST = ");
- // Serial.println(parameter,BIN);
- //delay(1000);
- //wait(2);
- /*
- for (int i=0; i<20; i++)
- {
- //write_reg(COMMAND,0b00000101);
- write_reg(COMMAND,0x05);
- //delay(50);
- //wait(0.05);
-
- //char LowB = read_reg(PS1_DATA0,1);
- //char HighB = read_reg(PS1_DATA1,1);
- LowB = read_reg(PS1_DATA0,1);
- HighB = read_reg(PS1_DATA1,1);
-
- bias1 = bias1 + (((HighB * 255) + LowB) / 20);
-
- LowB = read_reg(PS2_DATA0,1);
- HighB = read_reg(PS2_DATA1,1);
-
- bias2 = bias2 + (((HighB * 255) + LowB) / 20);
-
- LowB = read_reg(PS3_DATA0,1);
- HighB = read_reg(PS3_DATA1,1);
-
- bias3 = bias3 + (((HighB * 255) + LowB) / 20);
- }*/
}
void SI1143::command(char cmd)
@@ -82,86 +32,48 @@
{
write_reg(COMMAND,NOP);
val = read_reg(RESPONSE,1);
- printf("%d\r\n",val);
}
do{
write_reg(COMMAND,cmd);
if(cmd==RESET) break;
val = read_reg(RESPONSE,1);
- //printf("%d\r\n",val);
}while(val==0);
}
-char SI1143::read_reg(/*unsigned*/ char address, int num_data) // Read a Register
+char SI1143::read_reg(/*unsigned*/ char address, int num_data) // Read a register
{
- //
- //unsigned char data;
- //char cmd[2]={address,num_data};
- //int data;
-
- //i2c_->start();
- //data = i2c_->read(IR_ADDRESS,cmd,2);
- //wait(0.05);
- //i2c_->stop();
-
- //return data;
-
char tx[1];
char rx[1];
- i2c_->start();
+ //i2c_->start();
tx[0] = address;
i2c_->write((IR_ADDRESS << 1) & 0xFE, tx, num_data);
wait_ms(1);
- i2c_->stop();
+ //i2c_->stop();
- i2c_->start();
+ //i2c_->start();
i2c_->read((IR_ADDRESS << 1) | 0x01, rx, num_data);
wait_ms(1);
- i2c_->stop();
+ //i2c_->stop();
return rx[0];
-
- //Wire.beginTransmission(IR_ADDRESS);
- //Wire.write(address);
- //Wire.endTransmission();
-
- //Wire.requestFrom(IR_ADDRESS, num_data);
-
- //while(Wire.available() < num_data);
-
- //return Wire.read();
}
-void SI1143::write_reg(char address, char num_data)
-{ // Write a resigter
- //char cmd[2]={address,val};
-
- //i2c_->start();
- //i2c_->write(IR_ADDRESS,cmd,1);
- //wait(0.05);
- //i2c_->stop();
-
+void SI1143::write_reg(char address, char num_data) // Write a resigter
+{
char tx[2];
tx[0] = address;
tx[1] = num_data;
- //tx[2] = data;
- i2c_->start();
+ //i2c_->start();
i2c_->write((IR_ADDRESS << 1) & 0xFE, tx, 2);
wait_ms(1);
- i2c_->stop();
-
- //Wire.beginTransmission(IR_ADDRESS);
- //Wire.write(address);
- //Wire.write(val);
- //Wire.endTransmission();
+ //i2c_->stop();
}
void SI1143::bias()
{
- //command(PSALS_FORCE);
sample(0);
bias1 = PS1;
bias2 = PS2;
@@ -172,15 +84,12 @@
{
//int data[5];
command(PSALS_FORCE);
- //write_reg(COMMAND,0x05); // Get a reading
- //delay(5);
- //wait(0.5);
- LowB = read_reg(ALS_VIS_DATA0,1); // Read the data for the first LED
+ LowB = read_reg(ALS_VIS_DATA0,1); // Read the data for ambient light
HighB = read_reg(ALS_VIS_DATA1,1);
VIS = (HighB * 256) + LowB;
- LowB = read_reg(ALS_IR_DATA0,1); // Read the data for the first LED
+ LowB = read_reg(ALS_IR_DATA0,1); // Read the data for infrared light
HighB = read_reg(ALS_IR_DATA1,1);
IR = (HighB * 256) + LowB;
@@ -188,11 +97,11 @@
HighB = read_reg(PS1_DATA1,1);
PS1 = (HighB * 256) + LowB;
- LowB = read_reg(PS2_DATA0,1); // Read the data for the first LED
+ LowB = read_reg(PS2_DATA0,1); // Read the data for the second LED
HighB = read_reg(PS2_DATA1,1);
PS2 = (HighB * 256) + LowB;
- LowB = read_reg(PS3_DATA0,1); // Read the data for the first LED
+ LowB = read_reg(PS3_DATA0,1); // Read the data for the third LED
HighB = read_reg(PS3_DATA1,1);
PS3 = (HighB * 256) + LowB;
@@ -228,42 +137,3 @@
//return PS1;
}
-/*
-int SI1143::read1()
-{
- write_reg(COMMAND,0x05); // Get a reading
- //delay(5);
- //wait(0.5);
-
- LowB = read_reg(PS1_DATA0,1); // Read the data for the first LED
- HighB = read_reg(PS1_DATA1,1);
- PS1 = ((HighB * 255) + LowB) - bias1;
-
- return PS1;
-}
-
-int SI1143::read2()
-{
- write_reg(COMMAND,0x05); // Get a reading
- //delay(5);
- //wait(0.5);
-
- LowB = read_reg(PS2_DATA0,1); // Read the data for the second LED
- HighB = read_reg(PS2_DATA1,1);
- PS2 = (HighB * 255) + LowB - bias2;
-
- return PS2;
-}
-
-int SI1143::read3()
-{
- write_reg(COMMAND,0x05); // Get a reading
- //delay(5);
- //wait(0.5);
-
- LowB = read_reg(PS3_DATA0,1); // Read the data for the third LED
- HighB = read_reg(PS3_DATA1,1);
- PS3 = (HighB * 255) + LowB - bias3;
-
- return PS3;
-}*/
\ No newline at end of file
--- a/SI1143.h Thu Oct 17 12:53:08 2013 +0000
+++ b/SI1143.h Thu Oct 17 20:52:40 2013 +0000
@@ -3,124 +3,123 @@
#include "mbed.h"
-#define IR_ADDRESS 0x5A
-#define HW_KEY_VAL0 0x17 //Value to write into the HW Key register
+#define IR_ADDRESS 0x5A
+#define HW_KEY_VAL0 0x17 //Value to write into the HW Key register
+
+// Register Addresses
-// register addresses
-#define PART_ID 0x00
-#define REV_ID 0x01
-#define SEQ_ID 0x02 //Si114x-A11 (MAJOR_SEQ=1, MINOR_SEQ=1)
-#define INT_CFG 0x03
-#define IRQ_ENABLE 0x04
-#define IRQ_MODE1 0x05
-#define IRQ_MODE2 0x06
-#define HW_KEY 0x07
+#define PART_ID 0x00
+#define REV_ID 0x01
+#define SEQ_ID 0x02 //Si114x-A11 (MAJOR_SEQ=1, MINOR_SEQ=1)
+#define INT_CFG 0x03
+#define IRQ_ENABLE 0x04
+#define IRQ_MODE1 0x05
+#define IRQ_MODE2 0x06
+#define HW_KEY 0x07
-#define MEAS_RATE 0x08
-#define ALS_RATE 0x09
-#define PS_RATE 0x0A
+#define MEAS_RATE 0x08
+#define ALS_RATE 0x09
+#define PS_RATE 0x0A
-#define ALS_LOW_TH0 0x0B
-#define ALS_LOW_TH1 0x0C
-#define ALS_HI_TH0 0x0D
-#define ALS_HI_TH1 0x0E
-
-#define PS_LED21 0x0F
-#define PS_LED3 0x10
+#define ALS_LOW_TH0 0x0B
+#define ALS_LOW_TH1 0x0C
+#define ALS_HI_TH0 0x0D
+#define ALS_HI_TH1 0x0E
-#define PS1_TH0 0x11
-#define PS1_TH1 0x12
-#define PS2_TH0 0x13
-#define PS2_TH1 0x14
-#define PS3_TH0 0x15
+#define PS_LED21 0x0F
+#define PS_LED3 0x10
-#define PS3_TH1 0x16
-#define PARAM_WR 0x17
-#define COMMAND 0x18
+#define PS1_TH0 0x11
+#define PS1_TH1 0x12
+#define PS2_TH0 0x13
+#define PS2_TH1 0x14
+#define PS3_TH0 0x15
+
+#define PS3_TH1 0x16
+#define PARAM_WR 0x17
+#define COMMAND 0x18
-#define RESPONSE 0x20
-#define IRQ_STATUS 0x21
+#define RESPONSE 0x20
+#define IRQ_STATUS 0x21
-#define ALS_VIS_DATA0 0x22
-#define ALS_VIS_DATA1 0x23
-#define ALS_IR_DATA0 0x24
-#define ALS_IR_DATA1 0x25
+#define ALS_VIS_DATA0 0x22
+#define ALS_VIS_DATA1 0x23
+#define ALS_IR_DATA0 0x24
+#define ALS_IR_DATA1 0x25
-#define PS1_DATA0 0x26
-#define PS1_DATA1 0x27
-#define PS2_DATA0 0x28
-#define PS2_DATA1 0x29
-#define PS3_DATA0 0x2A
-#define PS3_DATA1 0x2B
+#define PS1_DATA0 0x26
+#define PS1_DATA1 0x27
+#define PS2_DATA0 0x28
+#define PS2_DATA1 0x29
+#define PS3_DATA0 0x2A
+#define PS3_DATA1 0x2B
-#define AUX_DATA0 0x2C
-#define AUX_DATA1 0x2D
+#define AUX_DATA0 0x2C
+#define AUX_DATA1 0x2D
-#define PARAM_RD 0x2E
-#define CHIP_STAT 0x30
-#define ANA_IN_KEY 0x3B
+#define PARAM_RD 0x2E
+#define CHIP_STAT 0x30
+#define ANA_IN_KEY 0x3B
// Command Register Values
-#define PARAM_QUERY 0x80 //Value is ORed with Parameter Offset
-#define PARAM_SET 0xA0 //Value is ORed with Parameter Offset
-#define PARAM_AND 0xC0 //Value is ORed with Parameter Offset
-#define PARAM_OR 0xE0 //Value is ORed with Parameter Offset
-#define NOP 0x00
-#define RESET 0x01
-#define BUSADDR 0x02
-#define PS_FORCE 0x05
-#define ALS_FORCE 0x06
-#define PSALS_FORCE 0x07
-#define PS_PAUSE 0x09
-#define ALS_PAUSE 0x0A
-#define PSALS_PAUSE 0x0B
-#define PS_AUTO 0x0D
-#define ALS_AUTO 0x0E
-#define PSALS_AUTO 0x0F
+#define PARAM_QUERY 0x80 //Value is ORed with Parameter Offset
+#define PARAM_SET 0xA0 //Value is ORed with Parameter Offset
+#define PARAM_AND 0xC0 //Value is ORed with Parameter Offset
+#define PARAM_OR 0xE0 //Value is ORed with Parameter Offset
+#define NOP 0x00
+#define RESET 0x01
+#define BUSADDR 0x02
+#define PS_FORCE 0x05
+#define ALS_FORCE 0x06
+#define PSALS_FORCE 0x07
+#define PS_PAUSE 0x09
+#define ALS_PAUSE 0x0A
+#define PSALS_PAUSE 0x0B
+#define PS_AUTO 0x0D
+#define ALS_AUTO 0x0E
+#define PSALS_AUTO 0x0F
-// ram addresses
+// Ram Addresses
-#define I2C_ADDR 0x00
-#define CHLIST 0x01
-#define PSLED12_SELECT 0x02
-#define PSLED3_SELECT 0x03
-#define FILTER_EN 0x04
-#define PS_ENCODING 0x05
-#define ALS_ENCODING 0x06
-#define PS1_ADCMUX 0x07
-#define PS2_ADCMUX 0x08
-#define PS3_ADCMUX 0x09
-#define PS_ADC_COUNTER 0x0A
-#define PS_ADC_GAIN 0x0B
-#define PS_ADC_MISC 0x0C
-//#define ALS_IR_ADCMUX 0x0E
-//#define AUX_ADCMUX 0x0F
-#define ALS1_ADCMUX 0x0D
-#define ALS2_ADCMUX 0x0E
-#define ALS3_ADCMUX 0x0F
-#define ALS_VIS_ADC_COUNTER 0x10
-#define ALS_VIS_ADC_GAIN 0x11
-#define ALS_VIS_ADC_MISC 0x12
-#define ALS_HYST 0x16
-#define PS_HYST 0x17
-#define PS_HISTORY 0x18
-#define ALS_HISTORY 0x19
-#define ADC_OFFSET 0x1A
-#define SLEEP_CTRL 0x1B
-#define LED_REC 0x1C
-#define ALS_IR_ADC_COUNTER 0x1D
-#define ALS_IR_ADC_GAIN 0x1E
-#define ALS_IR_ADC_MISC 0x1F
+#define I2C_ADDR 0x00
+#define CHLIST 0x01
+#define PSLED12_SELECT 0x02
+#define PSLED3_SELECT 0x03
+#define FILTER_EN 0x04
+#define PS_ENCODING 0x05
+#define ALS_ENCODING 0x06
+#define PS1_ADCMUX 0x07
+#define PS2_ADCMUX 0x08
+#define PS3_ADCMUX 0x09
+#define PS_ADC_COUNTER 0x0A
+#define PS_ADC_GAIN 0x0B
+#define PS_ADC_MISC 0x0C
+#define ALS1_ADCMUX 0x0D
+#define ALS2_ADCMUX 0x0E
+#define ALS3_ADCMUX 0x0F
+#define ALS_VIS_ADC_COUNTER 0x10
+#define ALS_VIS_ADC_GAIN 0x11
+#define ALS_VIS_ADC_MISC 0x12
+#define ALS_HYST 0x16
+#define PS_HYST 0x17
+#define PS_HISTORY 0x18
+#define ALS_HISTORY 0x19
+#define ADC_OFFSET 0x1A
+#define SLEEP_CTRL 0x1B
+#define LED_REC 0x1C
+#define ALS_IR_ADC_COUNTER 0x1D
+#define ALS_IR_ADC_GAIN 0x1E
+#define ALS_IR_ADC_MISC 0x1F
-//Measurement Channel List
-#define PS1_TASK 0x01
-#define PS2_TASK 0x02
-#define PS3_TASK 0x04
-#define ALS_VIS_TASK 0x10
-#define ALS_IR_TASK 0x20
-#define AUX_TASK 0x40
+// Measurement Channel List
+#define PS1_TASK 0x01
+#define PS2_TASK 0x02
+#define PS3_TASK 0x04
+#define ALS_VIS_TASK 0x10
+#define ALS_IR_TASK 0x20
+#define AUX_TASK 0x40
class SI1143
{
@@ -132,20 +131,12 @@
void bias(void);
- //int read1(void);
-
- //int read2(void);
-
- //int read3(void);
-
private:
I2C* i2c_;
- //int reg, val;
int bias1,bias2,bias3,PS1,PS2,PS3,VIS,IR;
char LowB,HighB;
- //void command(int address, int num_data);
void command(char cmd);
char read_reg(/*unsigned*/ char address, int num_data); // Read a Register
Si1143 Gesture/Proximity/Ambient Light (infrared proximity detector)