android meets a beaglebone in the iot world
TRANSCRIPT
AM335x 1GHz ARM Cortex-A8
• 512MB DDR3 RAM• 4GB 8-bit eMMC
on-board flash storage• 3D graphics accelerator
AM335x 1GHz ARM Cortex-A8
• USB host• USB client
for power & communications
• Ethernet• HDMI (micro)• SD Card• Serial Debug (FTDI 3.3V)• 2x 46 pin headers
Linuxroot@android:/sys/class/gpio/gpio66 # ll -‐rw-‐r-‐-‐r-‐-‐ root root 4096 2000-‐01-‐01 14:33 active_low -‐rw-‐rw-‐rw-‐ root root 4096 2000-‐01-‐01 14:33 direction -‐rw-‐r-‐-‐r-‐-‐ root root 4096 2000-‐01-‐01 14:33 edge drwxr-‐xr-‐x root root 2000-‐01-‐01 14:33 power lrwxrwxrwx root root 2000-‐01-‐01 14:33 subsystem … -‐rw-‐r-‐-‐r-‐-‐ root root 4096 2000-‐01-‐01 14:33 uevent -‐rw-‐rw-‐rw-‐ root root 4096 2000-‐01-‐01 14:33 value
root@android:/sys/class/gpio/gpio66 # cat direction out
root@android:/sys/class/gpio/gpio66 # echo 1 > value
Java// digital OUT GPIO gpio = new GPIO(PIN); gpio.setDirection(GPIO.DIRECTION_OUT); gpio.setValue(true); gpio.close();
// analog IN ADC adc5 = new ADC(ADC.AN5); int value = adc5.getValue(); adc5.close();
ALLToolKit - Android Java Library for Hardware Managementhttp://sourceforge.net/projects/alltoolkit/