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/************************************************************************/
/* */
/* File: blink.c */
/* Description: the "hello world" for armen OS */
/* Version: 1.0 */
/* Author: Otto Mattik */
/* */
/* (C)Copyright Otto Mattik 2021. */
/* */
/* This file is distributed under the CeCILL-V2.1 licence. */
/* For more details, please visit the website cecill.info */
/* */
/************************************************************************/
#include "armen.h"
#ifndef ARDUINO
#error "no or unaivalable mcu defined"
#endif
/*
* schematic:
* +---+
* P12 >----|220|----+
* +---+ |
* ---
* LED2 \ /
* -----
* |
* ---
* GND
*/
#if defined(__AVR_ATmega2560__)
#define PIN_LED1 GPIO15 /* mega P13 (onboard led) */
#define PIN_LED2 GPIO14 /* mega P12 */
#else
#define PIN_LED1 GPIO5 /* uno P13 (onboard led) */
#define PIN_LED2 GPIO4 /* uno P12 */
#endif
#ifdef DEBUG
extern void uart_printf( uint8_t, char*, ... );
#endif
/*
* 1st thread
*/
void* led1( void* param )
{
for( ;; )
{
sleep( 1000 );
gpio_pin_set( PIN_LED1, 1 - gpio_pin_get( PIN_LED1 ) );
}
}
/*
* 2nd thread
*/
void* led2( void* param )
{
for( ;; )
{
sleep( 1400 );
gpio_pin_set( PIN_LED2, 1 - gpio_pin_get( PIN_LED2 ) );
}
}
/*
* initialization
*/
void setup( void )
{
#ifdef DEBUG
uart_open( 0, B115200 );
#endif
gpio_pin_mode( PIN_LED1, GPIO_OUTPUT, GPIO_LOW );
gpio_pin_mode( PIN_LED2, GPIO_OUTPUT, GPIO_LOW );
}
/*
* program entry point
*/
void main( void )
{
armen_start( );
setup( );
/* run 2nd thread */
thread_create( led2, (void*)0 );
/* run 1st thread */
led1( (void*)0 );
}
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