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witnessmenow/PixelTimeAnalog.ino

Last active September 25, 2019 19:09
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PixelTimeAnalog
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PixelTimeAnalog.ino
#include <PxMatrix.h>
#ifdef ESP32
#define P_LAT 22
#define P_A 19
#define P_B 23
#define P_C 18
#define P_D 5
#define P_E 15
//#define P_OE 2
#define P_OE 26 // For the TinyPICO
hw_timer_t * timer = NULL;
portMUX_TYPE timerMux = portMUX_INITIALIZER_UNLOCKED;
#endif
#ifdef ESP8266
#include <Ticker.h>
Ticker display_ticker;
#define P_LAT 16
#define P_A 5
#define P_B 4
#define P_C 15
#define P_D 12
#define P_E 0
#define P_OE 2
#endif
// Pins for LED MATRIX
#define matrix_width 32
#define matrix_height 16
// This defines the 'on' time of the display is us. The larger this number,
// the brighter the display. If too large the ESP will crash
uint8_t display_draw_time = 10; //10-50 is usually fine
//PxMATRIX display(matrix_width,matrix_height,P_LAT, P_OE,P_A,P_B,P_C);
//PxMATRIX display(64,32,P_LAT, P_OE,P_A,P_B,P_C,P_D);
PxMATRIX display(64, 64, P_LAT, P_OE, P_A, P_B, P_C, P_D, P_E);
// Some standard colors
uint16_t myRED = display.color565(255, 0, 0);
uint16_t myGREEN = display.color565(0, 255, 0);
uint16_t myBLUE = display.color565(0, 0, 255);
uint16_t myWHITE = display.color565(255, 255, 255);
uint16_t myYELLOW = display.color565(255, 255, 0);
uint16_t myCYAN = display.color565(0, 255, 255);
uint16_t myMAGENTA = display.color565(255, 0, 255);
uint16_t myBLACK = display.color565(0, 0, 0);
uint16_t myCOLORS[8] = {myRED, myGREEN, myBLUE, myWHITE, myYELLOW, myCYAN, myMAGENTA, myBLACK};
uint8_t static weather_icons[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0x00, 0x00, 0xff, 0xe0, 0x00, 0x00, 0x00, 0x00, 0xff, 0xe0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0xff, 0x07, 0xff, 0x07, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0x00, 0x00, 0x07, 0xff, 0x07, 0xff, 0x07, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xe0, 0xff, 0xe0, 0xff, 0xe0, 0xff, 0xe0, 0x00, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0xff, 0xe0, 0xff, 0xe0, 0xff, 0xe0, 0xff, 0xe0, 0xff, 0xe0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xe0, 0xff, 0xe0, 0xff, 0xe0, 0xff, 0xe0, 0xff, 0xe0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
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};
#ifdef ESP8266
// ISR for display refresh
void display_updater()
{
display.display(display_draw_time);
}
#endif
#ifdef ESP32
void IRAM_ATTR display_updater() {
// Increment the counter and set the time of ISR
portENTER_CRITICAL_ISR(&timerMux);
display.display(display_draw_time);
portEXIT_CRITICAL_ISR(&timerMux);
}
#endif
void display_update_enable(bool is_enable)
{
#ifdef ESP8266
if (is_enable)
display_ticker.attach(0.002, display_updater);
else
display_ticker.detach();
#endif
#ifdef ESP32
if (is_enable)
{
timer = timerBegin(0, 80, true);
timerAttachInterrupt(timer, &display_updater, true);
timerAlarmWrite(timer, 2000, true);
timerAlarmEnable(timer);
}
else
{
timerDetachInterrupt(timer);
timerAlarmDisable(timer);
}
#endif
}
void setup() {
Serial.begin(9600);
// Define your display layout here, e.g. 1/8 step
//display.begin(32);
display.begin(32, SPI_BUS_CLK, 27, SPI_BUS_MISO, SPI_BUS_SS);
// Define your scan pattern here {LINE, ZIGZAG, ZAGGIZ, WZAGZIG, VZAG} (default is LINE)
//display.setScanPattern(LINE);
// Define multiplex implemention here {BINARY, STRAIGHT} (default is BINARY)
//display.setMuxPattern(BINARY);
display.setFastUpdate(true);
display.clearDisplay();
display.setTextColor(myCYAN);
display.setCursor(2, 0);
display.print("Pixel");
display.setTextColor(myMAGENTA);
display.setCursor(2, 8);
display.print("Time");
display_update_enable(true);
delay(3000);
}
union single_double {
uint8_t two[2];
uint16_t one;
} this_single_double;
// This draws the weather icons
void draw_weather_icon (uint8_t icon)
{
if (icon > 10)
icon = 10;
for (int yy = 0; yy < 10; yy++)
{
for (int xx = 0; xx < 10; xx++)
{
uint16_t byte_pos = (xx + icon * 10) * 2 + yy * 220;
this_single_double.two[1] = weather_icons[byte_pos];
this_single_double.two[0] = weather_icons[byte_pos + 1];
display.drawPixel(1 + xx, yy, this_single_double.one);
}
}
}
unsigned long last_draw = 0;
void scroll_text(uint8_t ypos, unsigned long scroll_delay, String text, uint8_t colorR, uint8_t colorG, uint8_t colorB)
{
uint16_t text_length = text.length();
display.setTextWrap(false); // we don't wrap text so it scrolls nicely
display.setTextSize(1);
display.setRotation(0);
display.setTextColor(display.color565(colorR, colorG, colorB));
// Asuming 5 pixel average character width
for (int xpos = matrix_width; xpos > -(matrix_width + text_length * 5); xpos--)
{
int preMap = analogRead(33);
int postMap = map(preMap, 0, 4092, 50, 255);
Serial.print("Pre Map: ");
Serial.println(preMap);
Serial.print("Post Map: ");
Serial.println(postMap);
display.setBrightness(postMap);
display.setTextColor(display.color565(colorR, colorG, colorB));
display.clearDisplay();
display.setCursor(xpos, ypos);
display.println(text);
delay(scroll_delay);
yield();
// This might smooth the transition a bit if we go slow
// display.setTextColor(display.color565(colorR/4,colorG/4,colorB/4));
// display.setCursor(xpos-1,ypos);
// display.println(text);
delay(scroll_delay / 5);
yield();
}
}
uint8_t icon_index = 0;
void loop() {
scroll_text(1, 50, "Welcome to PxMatrix!", 96, 96, 250);
display.clearDisplay();
draw_weather_icon(icon_index);
icon_index++;
if (icon_index > 10)
icon_index = 0;
for (int xx = 0; xx < 16; xx++)
{
display.drawLine(xx + 16, 0, xx + 16, 5, display.color565(xx * 16, 0, 0));
display.drawLine(xx + 16, 6, xx + 16, 10, display.color565(0, xx * 16, 0));
display.drawLine(xx + 16, 11, xx + 16, 15, display.color565(0, 0, xx * 16));
}
int preMap = analogRead(33);
int postMap = map(preMap, 0, 4092, 50, 255);
Serial.print("Pre Map: ");
Serial.println(preMap);
Serial.print("Post Map: ");
Serial.println(postMap);
display.setBrightness(postMap);
delay(10000);
}
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