adafruit · pdp7 · Aug 23, 2017 · Jul 28, 2017 · Jul 28, 2017 · Jul 28, 2017
diff --git a/Makefile b/Makefile
@@ -1,5 +1,5 @@
 
-all: build # build2 build3
+all: build3 # build2 build3
 
 time:
 	/usr/bin/ntpdate -b -s -u pool.ntp.org
@@ -29,10 +29,10 @@ install2: build2
 	python2 setup.py install --force
 
 build3:
-	python3 setup.py build --force
+	python3 setup.py build # --force
 
 install3: build3
-	python3 setup.py install --force
+	python3 setup.py install # --force
 
 ################################################################################
 # c++ library

diff --git a/source/common.c b/source/common.c
@@ -167,6 +167,21 @@ pins_t table[] = {
   { "DGND", "P9_44", 0, -1, -1},
   { "DGND", "P9_45", 0, -1, -1},
   { "DGND", "P9_46", 0, -1, -1},
+
+  // These are for the Blue
+    { "GPO_0", "GP0_0",  57, -1, -1},
+    { "GP0_1", "GP0_1",  49, -1, -1},
+    { "GP0_2", "GP0_2", 116, -1, -1},
+    { "GP0_3", "GP0_3", 113, -1, -1},
+    { "GP1_0", "GP1_0",  98, -1, -1},
+    { "GP1_1", "GP1_1",  97, -1, -1},
+    { "RED_LED",   "RED",    66, -1, -1},   // LEDs
+    { "GREEN_LED", "GREEN",  67, -1, -1},
+
+    { "UT1_0", "P9_26", 14, 1, -1},
+    { "UT1_1", "P9_24", 15, 1, -1},
+
+
   { NULL, NULL, 0, 0, 0 }
 };
 

diff --git a/source/event_gpio.c b/source/event_gpio.c
@@ -194,6 +194,10 @@ int open_value_file(unsigned int gpio)
     // create file descriptor of value file
     if ((gpio >= USR_LED_GPIO_MIN) && (gpio <=  USR_LED_GPIO_MAX)) {
         snprintf(filename, sizeof(filename), "/sys/class/leds/beaglebone:green:usr%d/brightness", gpio -  USR_LED_GPIO_MIN);
+    } else if(gpio == USR_LED_RED) {     // red LED
+        snprintf(filename, sizeof(filename), "/sys/class/leds/red/brightness");
+    } else if(gpio == USR_LED_GREEN) {     // green LED
+        snprintf(filename, sizeof(filename), "/sys/class/leds/green/brightness");
     } else {
         snprintf(filename, sizeof(filename), "/sys/class/gpio/gpio%d/value", gpio);
     }
@@ -247,7 +251,8 @@ BBIO_err gpio_set_direction(unsigned int gpio, unsigned int in_flag)
         char filename[40];
         char direction[10] = { 0 };
 
-        if ((gpio >= USR_LED_GPIO_MIN) && (gpio <=  USR_LED_GPIO_MAX)) {
+        if (((gpio >= USR_LED_GPIO_MIN) && (gpio <=  USR_LED_GPIO_MAX)) ||
+                (gpio == USR_LED_RED) || (gpio == USR_LED_GREEN)) {
             syslog(LOG_DEBUG, "gpio_set_direction: %u not applicable to the USR LED", gpio);
             return BBIO_OK; // direction is not applicable to the USR LED pins
         }
@@ -324,7 +329,11 @@ BBIO_err gpio_set_value(unsigned int gpio, unsigned int value)
         if (access(filename, W_OK) < 0) {
            snprintf(filename, sizeof(filename), "/sys/class/leds/beaglebone:green:%s/brightness", usr_led_trigger[led]);
         }
-
+
+    } else if(gpio == USR_LED_RED) {
+        snprintf(filename, sizeof(filename), "/sys/class/leds/red/brightness");
+    } else if(gpio == USR_LED_GREEN) {
+        snprintf(filename, sizeof(filename), "/sys/class/leds/green/brightness");
     } else {
         snprintf(filename, sizeof(filename), "/sys/class/gpio/gpio%d/value", gpio);
     }

diff --git a/source/event_gpio.h b/source/event_gpio.h
@@ -48,6 +48,8 @@ SOFTWARE.
 
 #define USR_LED_GPIO_MIN 53
 #define USR_LED_GPIO_MAX 56
+#define USR_LED_RED      66
+#define USR_LED_GREEN    67
 
 #define PUD_OFF  0
 #define PUD_DOWN 1

diff --git a/source/examples/python/button.py b/source/examples/python/button.py
@@ -0,0 +1,23 @@
+#!/usr/bin/env python3
+# Reads the PAUSE button using interupts and sets the LED
+# Pin table at https://github.com/beagleboard/beaglebone-blue/blob/master/BeagleBone_Blue_Pin_Table.csv
+
+# Import PyBBIO library:
+import Adafruit_BBIO.GPIO as GPIO
+import time
+
+button="GP0_0"  # PAUSE=P8_9, MODE=P8_10
+LED   ="GP0_1"
+
+# Set the GPIO pins:
+GPIO.setup(LED,    GPIO.OUT)
+GPIO.setup(button, GPIO.IN)
+
+print("Running...")
+
+while True:
+  state = GPIO.input(button)
+  GPIO.output(LED, state)
+
+  GPIO.wait_for_edge(button, GPIO.BOTH)
+  print("Pressed")
diff --git a/source/examples/python/gpio.py b/source/examples/python/gpio.py
@@ -0,0 +1,16 @@
+#!/usr/bin/env python3
+# Blinks some gpio pins on the Blue
+import Adafruit_BBIO.GPIO as GPIO
+import time
+
+LEDs = ["GP0_0", "GP0_1", "GP0_2", "GP0_3", "GP1_0", "GP1_1", "UT1_0"]
+for LED in LEDs:
+    print(LED)
+    GPIO.setup(LED, GPIO.OUT)
+
+while True:
+    for LED in LEDs:
+        GPIO.output(LED, GPIO.HIGH)
+        time.sleep(0.1)
+        GPIO.output(LED, GPIO.LOW)
+        time.sleep(0.1)
diff --git a/source/examples/python/i2cmatrix.py b/source/examples/python/i2cmatrix.py
@@ -0,0 +1,37 @@
+#!/usr/bin/env python3
+# Write an 8x8 Red/Green LED matrix
+# https://www.adafruit.com/product/902
+
+import smbus
+import time
+bus = smbus.SMBus(1)
+matrix = 0x70
+
+delay = 1; # Delay between images in s
+
+bus.write_byte_data(matrix, 0x21, 0)   # Start oscillator (p10)
+bus.write_byte_data(matrix, 0x81, 0)   # Disp on, blink off (p11)
+bus.write_byte_data(matrix, 0xe7, 0)   # Full brightness (page 15)
+
+# The first byte is GREEN, the second is RED.
+smile = [0x00, 0x3c, 0x00, 0x42, 0x28, 0x89, 0x04, 0x85,
+    0x04, 0x85, 0x28, 0x89, 0x00, 0x42, 0x00, 0x3c
+]
+frown = [0x3c, 0x00, 0x42, 0x00, 0x85, 0x20, 0x89, 0x00,
+    0x89, 0x00, 0x85, 0x20, 0x42, 0x00, 0x3c, 0x00
+]
+neutral = [0x3c, 0x3c, 0x42, 0x42, 0xa9, 0xa9, 0x89, 0x89,
+    0x89, 0x89, 0xa9, 0xa9, 0x42, 0x42, 0x3c, 0x3c
+]
+
+bus.write_i2c_block_data(matrix, 0, frown)
+for fade in range(0xef, 0xe0, -1):
+    bus.write_byte_data(matrix, fade, 0)
+    time.sleep(delay/10)
+
+bus.write_i2c_block_data(matrix, 0, neutral)
+for fade in range(0xe0, 0xef, 1):
+    bus.write_byte_data(matrix, fade, 0)
+    time.sleep(delay/10)
+
+bus.write_i2c_block_data(matrix, 0, smile)
diff --git a/source/examples/python/i2ctmp101.py b/source/examples/python/i2ctmp101.py
@@ -0,0 +1,12 @@
+#!/usr/bin/env python3
+# Read a TMP101 sensor
+
+import smbus
+import time
+bus = smbus.SMBus(1)
+address = 0x49
+
+while True:
+    temp = bus.read_byte_data(address, 0)
+    print (temp, end="\r")
+    time.sleep(0.25)
diff --git a/source/examples/python/install.sh b/source/examples/python/install.sh
@@ -0,0 +1,3 @@
+# Here's what you need to install to run these.
+
+sudo apt install python3-smbus
diff --git a/source/examples/python/leds.py b/source/examples/python/leds.py
@@ -0,0 +1,16 @@
+#!/usr/bin/env python3
+# Blinks some gpio pins on the Blue
+import Adafruit_BBIO.GPIO as GPIO
+import time
+
+LEDs = ["RED_LED", "GREEN_LED"]
+
+for LED in LEDs:
+    GPIO.setup(LED, GPIO.OUT)
+
+while True:
+    for LED in LEDs:
+        GPIO.output(LED, GPIO.HIGH)
+        time.sleep(0.1)
+        GPIO.output(LED, GPIO.LOW)
+        time.sleep(0.1)
diff --git a/source/examples/python/pwm.old.py b/source/examples/python/pwm.old.py
@@ -0,0 +1,14 @@
+import Adafruit_BBIO.PWM as PWM
+
+#set polarity to 1 on start:
+#PWM.start("P9_14", 50, 2000, 1)
+
+#PWM.start(channel, duty, freq=2000, polarity=0)
+#duty values are valid 0 (off) to 100 (on)
+
+PWM.start("P9_14", 50)
+PWM.set_duty_cycle("P9_14", 25.5)
+PWM.set_frequency("P9_14", 10)
+
+PWM.stop("P9_14")
+PWM.cleanup()
diff --git a/source/examples/python/pwm.py b/source/examples/python/pwm.py
@@ -1,3 +1,4 @@
+#!/usr/bin/env python3
 import Adafruit_BBIO.PWM as PWM
 
 #set polarity to 1 on start:
@@ -6,9 +7,10 @@
 #PWM.start(channel, duty, freq=2000, polarity=0)
 #duty values are valid 0 (off) to 100 (on)
 
-PWM.start("P9_14", 50)
-PWM.set_duty_cycle("P9_14", 25.5)
-PWM.set_frequency("P9_14", 10)
+SERVO="P9_14"
+PWM.start(SERVO, 50)
+PWM.set_duty_cycle(SERVO, 25.5)
+PWM.set_frequency(SERVO, 10)
 
-PWM.stop("P9_14")
+PWM.stop(SERVO)
 PWM.cleanup()
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,3 @@
		# Here's what you need to install to run these.

		sudo apt install python3-smbus