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| author | Paul Sokolovsky <pfalcon@users.sourceforge.net> | 2016-11-12 00:09:20 +0300 |
|---|---|---|
| committer | Paul Sokolovsky <pfalcon@users.sourceforge.net> | 2016-11-12 00:09:43 +0300 |
| commit | 3c0da6a3592c715fa901e100a6d5ad256f19f67f (patch) | |
| tree | d7ce57ed40977f85a38d049b6e8d2ada6cf451ec /examples/hwapi | |
| parent | 1375c52772ad4f07d4bce40bfa114a0f2f0e6cfc (diff) | |
| download | micropython-3c0da6a3592c715fa901e100a6d5ad256f19f67f.tar.gz micropython-3c0da6a3592c715fa901e100a6d5ad256f19f67f.zip | |
examples/hwapi: button_led: Add GPIO pin read example.
Requires BUTTON defined in hwconfig, so far tested on DragonBoard 410c.
Diffstat (limited to 'examples/hwapi')
| -rw-r--r-- | examples/hwapi/button_led.py | 9 | ||||
| -rw-r--r-- | examples/hwapi/hwconfig_dragonboard410c.py | 7 |
2 files changed, 16 insertions, 0 deletions
diff --git a/examples/hwapi/button_led.py b/examples/hwapi/button_led.py new file mode 100644 index 0000000000..bd6fe01729 --- /dev/null +++ b/examples/hwapi/button_led.py @@ -0,0 +1,9 @@ +import utime +from hwconfig import LED, BUTTON + +# Light LED when (and while) a BUTTON is pressed + +while 1: + LED.value(BUTTON.value()) + # Don't burn CPU + utime.sleep_ms(10) diff --git a/examples/hwapi/hwconfig_dragonboard410c.py b/examples/hwapi/hwconfig_dragonboard410c.py index 00f21a658f..32fdb9dd6d 100644 --- a/examples/hwapi/hwconfig_dragonboard410c.py +++ b/examples/hwapi/hwconfig_dragonboard410c.py @@ -1,12 +1,19 @@ from machine import Pin # 96Boards/Qualcomm DragonBoard 410c +# # By default, on-board LEDs are controlled by kernel LED driver. # To make corresponding pins be available as normal GPIO, # corresponding driver needs to be unbound first (as root): # echo -n "soc:leds" >/sys/class/leds/apq8016-sbc:green:user1/device/driver/unbind # Note that application also either should be run as root, or # /sys/class/gpio ownership needs to be changed. +# Likewise, onboard buttons are controlled by gpio_keys driver. +# To release corresponding GPIOs: +# echo -n "gpio_keys" >/sys/class/input/input1/device/driver/unbind # User LED 1 on gpio21 LED = Pin(21, Pin.OUT) + +# Button S3 on gpio107 +BUTTON = Pin(107, Pin.IN) |