osd-contiki/examples/osd/arduino-epaper15/sketch.pde
2018-03-08 11:24:20 +01:00

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/*
* Sample e-paper arduino sketch using contiki features.
* We turn the LED off
*
* Note that for a normal arduino sketch you won't have to include any
* of the contiki-specific files here, the sketch should just work.
*/
extern "C" {
#include "arduino-process.h"
#include "rest-engine.h"
#include "net/netstack.h"
#include <SPI.h>
#include <epd1in54.h>
#include <epdpaint.h>
#include "imagedata.h"
extern resource_t res_led, res_battery, res_cputemp;
uint8_t led_pin=4;
uint8_t led_status;
}
#define COLORED 0
#define UNCOLORED 1
unsigned char image[1024];
Paint paint(image, 0, 0); // width should be the multiple of 8
Epd epd;
long second=-3;
void setup (void)
{
// switch off the led
pinMode(led_pin, OUTPUT);
digitalWrite(led_pin, HIGH);
led_status=0;
// init coap resourcen
rest_init_engine ();
#pragma GCC diagnostic ignored "-Wwrite-strings"
rest_activate_resource (&res_led, "s/led");
rest_activate_resource (&res_battery, "s/battery");
rest_activate_resource (&res_cputemp, "s/cputemp");
#pragma GCC diagnostic pop
// NETSTACK_MAC.off(1);
// mcu_sleep_set(128);
printf("e-Paper init");
// e-paper init
if (epd.Init(lut_full_update) != 0) {
printf(" failed");
return;
}
/**
* there are 2 memory areas embedded in the e-paper display
* and once the display is refreshed, the memory area will be auto-toggled,
* i.e. the next action of SetFrameMemory will set the other memory area
* therefore you have to clear the frame memory twice.
*/
epd.ClearFrameMemory(0xFF); // bit set = white, bit reset = black
epd.DisplayFrame();
epd.ClearFrameMemory(0xFF); // bit set = white, bit reset = black
epd.DisplayFrame();
}
void loop (void)
{
char time_string[] = {'0', '0', ':', '0', '0', '\0'};
second ++;
if(second==-2){
if (epd.Init(lut_partial_update) != 0) {
printf("e-Paper init failed");
return;
}
}
if(second==-1){
epd.SetFrameMemory(IMAGE_DATA);
epd.DisplayFrame();
}
if(second==0){
epd.SetFrameMemory(IMAGE_DATA);
epd.DisplayFrame();
}
if(second > 0){
time_string[0] = second / 60 / 10 + '0';
time_string[1] = second / 60 % 10 + '0';
time_string[3] = second % 60 / 10 + '0';
time_string[4] = second % 60 % 10 + '0';
paint.SetWidth(32);
paint.SetHeight(96);
paint.SetRotate(ROTATE_270);
paint.Clear(UNCOLORED);
paint.DrawStringAt(0, 4, time_string, &Font24, COLORED);
epd.SetFrameMemory(paint.GetImage(), 80, 72, paint.GetWidth(), paint.GetHeight());
epd.DisplayFrame();
}
printf("%d ",second);
}