#!/usr/bin/env python
# ////////////////////////////////////////
# //	pushbutton.py
# //      Reads P9_42 and prints its value.
# //	Wiring:	Connect a switch between P9_42 and 3.3V
# //	Setup:	
# //	See:	
# ////////////////////////////////////////
import time
import os

ms = 500    # Read time in ms
pin = '7' #  P9_42 is gpio 7
GPIOPATH="/sys/class/gpio"

# Make sure pin is exported
if (not os.path.exists(GPIOPATH+"/gpio"+pin)):
    f = open(GPIOPATH+"/export", "w")
    f.write(pin)
    f.close()

# Make it an input pin
f = open(GPIOPATH+"/gpio"+pin+"/direction", "w")
f.write("in")
f.close()

f = open(GPIOPATH+"/gpio"+pin+"/value", "r")

while True:
    f.seek(0)
    data = f.read()[:-1]
    print("data = " + data)
    time.sleep(ms/1000)

#!/usr/bin/env node
////////////////////////////////////////
//	pushbutton.js
//      Reads P9_42 and prints its value.
//	Wiring:	Connect a switch between P9_42 and 3.3V
//	Setup:	
//	See:	
////////////////////////////////////////
const fs = require("fs");

const ms = 500   // Read time in ms
const pin = '7'; // P9_42 is gpio 7
const GPIOPATH="/sys/class/gpio/";

// Make sure pin is exported
if(!fs.existsSync(GPIOPATH+"gpio"+pin)) {
    fs.writeFileSync(GPIOPATH+"export", pin);
}
// Make it an input pin
fs.writeFileSync(GPIOPATH+"gpio"+pin+"/direction", "in");

// Read every ms
setInterval(readPin, ms);

function readPin() {
    var data = fs.readFileSync(GPIOPATH+"gpio"+pin+"/value").slice(0, -1);
    console.log('data = ' + data);
 }

#!/usr/bin/env python
# //////////////////////////////////////
# //	ultrasonicRange.js
# // 	Reads the analog value of the sensor.
# //////////////////////////////////////
import time
ms = 250;  # Time in milliseconds

pin = "0"        # sensor, A0, P9_39

IIOPATH='/sys/bus/iio/devices/iio:device0/in_voltage'+pin+'_raw'

print('Hit ^C to stop');

f = open(IIOPATH, "r")
while True:
    f.seek(0)
    data = f.read()[:-1]
    print('data= ' + data)
    time.sleep(ms/1000)

# // Bone  | Pocket | AIN
# // ----- | ------ | --- 
# // P9_39 | P1_19  | 0
# // P9_40 | P1_21  | 1
# // P9_37 | P1_23  | 2
# // P9_38 | P1_25  | 3
# // P9_33 | P1_27  | 4
# // P9_36 | P2_35  | 5
# // P9_35 | P1_02  | 6

#!/usr/bin/env node
//////////////////////////////////////
//	ultrasonicRange.js
// 	Reads the analog value of the sensor.
//////////////////////////////////////
const fs = require("fs");
const ms = 250;  // Time in milliseconds

const pin = "0";        // sensor, A0, P9_39

const IIOPATH='/sys/bus/iio/devices/iio:device0/in_voltage'+pin+'_raw';

console.log('Hit ^C to stop');

// Read every ms
setInterval(readPin, ms);

function readPin() {
    var data = fs.readFileSync(IIOPATH);
    console.log('data= ' + data);
 }
// Bone  | Pocket | AIN
// ----- | ------ | --- 
// P9_39 | P1_19  | 0
// P9_40 | P1_21  | 1
// P9_37 | P1_23  | 2
// P9_38 | P1_25  | 3
// P9_33 | P1_27  | 4
// P9_36 | P2_35  | 5
// P9_35 | P1_02  | 6

#!/usr/bin/env python
# // This uses the eQEP hardware to read a rotary encoder
# // bone$ config-pin P8_11 eqep
# // bone$ config-pin P8_12 eqep
import time
    
eQEP = '2'
COUNTERPATH = '/dev/bone/counter/counter'+eQEP+'/count0'
	
ms = 100 	# Time between samples in ms
maxCount = '1000000'

# Set the eEQP maximum count
f = open(COUNTERPATH+'/ceiling', 'w')
f.write(maxCount)
f.close()

# Enable
f = open(COUNTERPATH+'/enable', 'w')
f.write('1')
f.close()

f = open(COUNTERPATH+'/count', 'r')

olddata = -1
while True:
	f.seek(0)
	data = f.read()[:-1]
	# Print only if data changes
	if data != olddata:
		olddata = data
		print("data = " + data)
	time.sleep(ms/1000)

# Black OR Pocket
# eQEP0:	P9.27 and P9.42 OR P1_33 and P2_34
# eQEP1:	P9.33 and P9.35
# eQEP2:	P8.11 and P8.12 OR P2_24 and P2_33

# AI
# eQEP1:	P8.33 and P8.35
# eQEP2:	P8.11 and P8.12 or P9.19 and P9.41
# eQEP3:	P8.24 abd P8.25 or P9.27 and P9.42

#!/usr/bin/env node
// This uses the eQEP hardware to read a rotary encoder
// bone$ config-pin P8_11 eqep
// bone$ config-pin P8_12 eqep
const fs = require("fs");
    
const eQEP = "2";
const COUNTERPATH = '/dev/bone/counter/counter'+eQEP+'/count0';
	
const ms = 100; 	// Time between samples in ms
const maxCount = '1000000';

// Set the eEQP maximum count
fs.writeFileSync(COUNTERPATH+'/ceiling', maxCount);

// Enable
fs.writeFileSync(COUNTERPATH+'/enable', '1');

setInterval(readEncoder, ms);    // Check state every ms

var olddata = -1;
function readEncoder() {
	var data = parseInt(fs.readFileSync(COUNTERPATH+'/count'));
	if(data != olddata) {
		// Print only if data changes
		console.log('data = ' + data);
		olddata = data;
	} 
}

// Black OR Pocket
// eQEP0:	P9.27 and P9.42 OR P1_33 and P2_34
// eQEP1:	P9.33 and P9.35
// eQEP2:	P8.11 and P8.12 OR P2_24 and P2_33

// AI
// eQEP1:	P8.33 and P8.35
// eQEP2:	P8.11 and P8.12 or P9.19 and P9.41
// eQEP3:	P8.24 abd P8.25 or P9.27 and P9.42

#!/usr/bin/env python
# ////////////////////////////////////////
# //	i2cTemp.py
# //      Read a TMP101 sensor on i2c bus 2, address 0x49
# //	Wiring:	Attach to i2c as shown in text.
# //	Setup:	echo tmp101 0x49 > /sys/class/i2c-adapter/i2c-2/new_device
# //	See:	
# ////////////////////////////////////////
import time

ms = 1000   # Read time in ms
bus = '2'
addr = '49'
I2CPATH='/sys/class/i2c-adapter/i2c-'+bus+'/'+bus+'-00'+addr+'/hwmon/hwmon0';

f = open(I2CPATH+"/temp1_input", "r")

while True:
    f.seek(0)
    data = f.read()[:-1]    # returns mili-degrees C
    print("data (C) = " + str(int(data)/1000))
    time.sleep(ms/1000)

#!/usr/bin/env node
////////////////////////////////////////
//	i2cTemp.js
//      Read at TMP101 sensor on i2c bus 2, address 0x49
//	Wiring:	Attach to i2c as shown in text.
//	Setup:	echo tmp101 0x49 > /sys/class/i2c-adapter/i2c-2/new_device
//	See:	
////////////////////////////////////////
const fs = require("fs");

const ms = 1000;   // Read time in ms
const bus = '2';
const addr = '49';
I2CPATH='/sys/class/i2c-adapter/i2c-'+bus+'/'+bus+'-00'+addr+'/hwmon/hwmon0';

// Read every ms
setInterval(readTMP, ms);

function readTMP() {
    var data = fs.readFileSync(I2CPATH+"/temp1_input").slice(0, -1);
    console.log('data (C) = ' + data/1000);
 }

#!/usr/bin/env python
# ////////////////////////////////////////
# //	i2ctmp101.py
# //      Read at TMP101 sensor on i2c bus 2, address 0x49
# //	Wiring:	Attach to i2c as shown in text.
# //	Setup:	pip install smbus
# //	See:	
# ////////////////////////////////////////
import smbus
import time

ms = 1000               # Read time in ms
bus = smbus.SMBus(2)    # Using i2c bus 2
addr = 0x49             # TMP101 is at address 0x49

while True:
    data = bus.read_byte_data(addr, 0)
    print("temp (C) = " + str(data))
    time.sleep(ms/1000)

#!/usr/bin/env python
# ////////////////////////////////////////
# //	w1.js
# //      Read a Dallas 1-wire device on P9_12
# //	Wiring:	Attach gnd and 3.3V and data to P9_12
# //	Setup:	Edit /boot/uEnv.txt to include:
# //              uboot_overlay_addr4=BB-W1-P9.12-00A0.dtbo
# //	See:	
# ////////////////////////////////////////
import time

ms = 500   # Read time in ms
#  Do ls /sys/bus/w1/devices and find the address of your device
addr = '28-00000d459c2c' # Must be changed for your device.
W1PATH ='/sys/bus/w1/devices/' + addr

f = open(W1PATH+'/temperature')

while True:
    f.seek(0)
    data = f.read()[:-1]
    print("temp (C) = " + str(int(data)/1000))
    time.sleep(ms/1000)

#!/usr/bin/env node
////////////////////////////////////////
//	w1.js
//      Read a Dallas 1-wire device on P9_12
//	Wiring:	Attach gnd and 3.3V and data to P9_12
//	Setup:	Edit /boot/uEnv.txt to include:
//              uboot_overlay_addr4=BB-W1-P9.12-00A0.dtbo
//	See:	
////////////////////////////////////////
const fs = require("fs");

const ms = 500   // Read time in ms
// Do ls /sys/bus/w1/devices and find the address of your device
const addr = '28-00000d459c2c'; // Must be changed for your device.
const W1PATH ='/sys/bus/w1/devices/' + addr;

// Read every ms
setInterval(readW1, ms);

function readW1() {
    var data = fs.readFileSync(W1PATH+'/temperature').slice(0, -1);
    console.log('temp (C) = ' + data/1000);
 }

pcm.!default {
  type plug
  slave {
    pcm "hw:1,0"
  }
}
ctl.!default {
  type hw
  card 1
}