131 lines
3.9 KiB
Plaintext
131 lines
3.9 KiB
Plaintext
/*
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* Sample e-paper arduino sketch using contiki features.
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* We turn the LED off
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*
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* Note that for a normal arduino sketch you won't have to include any
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* of the contiki-specific files here, the sketch should just work.
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*/
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extern "C" {
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#include "arduino-process.h"
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#include "rest-engine.h"
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#include "net/netstack.h"
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#include <SPI.h>
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#include <epd1in54.h>
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#include <epdpaint.h>
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#include "imagedata.h"
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extern resource_t res_led, res_battery, res_cputemp;
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uint8_t led_pin=4;
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uint8_t led_status;
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}
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#define COLORED 0
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#define UNCOLORED 1
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/**
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* Due to RAM not enough in Arduino UNO, a frame buffer is not allowed.
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* In this case, a smaller image buffer is allocated and you have to
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* update a partial display several times.
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* 1 byte = 8 pixels, therefore you have to set 8*N pixels at a time.
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*/
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unsigned char image[1024];
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Paint paint(image, 0, 0); // width should be the multiple of 8
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Epd epd;
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void setup (void)
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{
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// switch off the led
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pinMode(led_pin, OUTPUT);
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digitalWrite(led_pin, HIGH);
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led_status=0;
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// init coap resourcen
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rest_init_engine ();
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#pragma GCC diagnostic ignored "-Wwrite-strings"
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rest_activate_resource (&res_led, "s/led");
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rest_activate_resource (&res_battery, "s/battery");
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rest_activate_resource (&res_cputemp, "s/cputemp");
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#pragma GCC diagnostic pop
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// NETSTACK_MAC.off(1);
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// mcu_sleep_set(128);
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printf("e-Paper init");
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// e-paper init
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if (epd.Init(lut_full_update) != 0) {
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printf(" failed");
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return;
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}
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/**
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* there are 2 memory areas embedded in the e-paper display
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* and once the display is refreshed, the memory area will be auto-toggled,
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* i.e. the next action of SetFrameMemory will set the other memory area
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* therefore you have to clear the frame memory twice.
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*/
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epd.ClearFrameMemory(0xFF); // bit set = white, bit reset = black
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epd.DisplayFrame();
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epd.ClearFrameMemory(0xFF); // bit set = white, bit reset = black
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epd.DisplayFrame();
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paint.SetRotate(ROTATE_0);
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paint.SetWidth(200);
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paint.SetHeight(24);
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/* For simplicity, the arguments are explicit numerical coordinates */
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paint.Clear(COLORED);
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paint.DrawStringAt(30, 4, "Hello world!", &Font16, UNCOLORED);
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epd.SetFrameMemory(paint.GetImage(), 0, 10, paint.GetWidth(), paint.GetHeight());
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paint.Clear(UNCOLORED);
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paint.DrawStringAt(30, 4, "e-Paper Demo", &Font16, COLORED);
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epd.SetFrameMemory(paint.GetImage(), 0, 30, paint.GetWidth(), paint.GetHeight());
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paint.SetWidth(64);
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paint.SetHeight(64);
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paint.Clear(UNCOLORED);
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paint.DrawRectangle(0, 0, 40, 50, COLORED);
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paint.DrawLine(0, 0, 40, 50, COLORED);
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paint.DrawLine(40, 0, 0, 50, COLORED);
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epd.SetFrameMemory(paint.GetImage(), 16, 60, paint.GetWidth(), paint.GetHeight());
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paint.Clear(UNCOLORED);
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paint.DrawCircle(32, 32, 30, COLORED);
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epd.SetFrameMemory(paint.GetImage(), 120, 60, paint.GetWidth(), paint.GetHeight());
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paint.Clear(UNCOLORED);
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paint.DrawFilledRectangle(0, 0, 40, 50, COLORED);
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epd.SetFrameMemory(paint.GetImage(), 16, 130, paint.GetWidth(), paint.GetHeight());
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paint.Clear(UNCOLORED);
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paint.DrawFilledCircle(32, 32, 30, COLORED);
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epd.SetFrameMemory(paint.GetImage(), 120, 130, paint.GetWidth(), paint.GetHeight());
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epd.DisplayFrame();
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delay(2000);
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if (epd.Init(lut_partial_update) != 0) {
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printf("e-Paper init failed");
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return;
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}
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/**
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* there are 2 memory areas embedded in the e-paper display
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* and once the display is refreshed, the memory area will be auto-toggled,
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* i.e. the next action of SetFrameMemory will set the other memory area
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* therefore you have to set the frame memory and refresh the display twice.
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*/
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epd.SetFrameMemory(IMAGE_DATA);
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epd.DisplayFrame();
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epd.SetFrameMemory(IMAGE_DATA);
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epd.DisplayFrame();
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}
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void loop (void)
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{
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}
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