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display.cpp
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display.cpp
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#include "display.h"
#include "config.h"
#include <ssd1306.h>
#include <nano_gfx.h>
#include <font6x8.h>
#define CHAR_WIDTH 6.0
#define CHAR_HEIGHT 8.0
static const PROGMEM uint8_t bitmapTemp[] = {
0b00000000,
0b00000000,
0b01100000,
0b10011111,
0b10011111,
0b01100000,
0b00000000,
};
static const PROGMEM uint8_t bitmapFan[3][7] = {
{
0b00110000,
0b00110011,
0b00011111,
0b00011100,
0b01111100,
0b01100110,
0b00000110,
}, {
0b00011100,
0b00011000,
0b01001011,
0b01111111,
0b01101001,
0b00001100,
0b00011100,
}, {
0b00000110,
0b01100110,
0b01111100,
0b00011100,
0b00011111,
0b00110011,
0b00110000,
}
};
static const PROGMEM uint8_t bitmapDegree[] = {
0b00000000,
0b00000110,
0b00001001,
0b00001001,
0b00000110,
};
static const PROGMEM uint8_t deltaIcon[] = {
0b11000000,
0b10110000,
0b10001100,
0b10000011,
0b10001100,
0b10110000,
0b11000000,
};
Display::Display(Sensor* sensors, size_t sensorsLength, Fan* fans, size_t fansLength){
this->sensors = sensors;
this->sensorsLength = sensorsLength;
this->fans = fans;
this->fansLength = fansLength;
ssd1306_128x64_i2c_init();
ssd1306_clearScreen();
ssd1306_setContrast(0);
ssd1306_setFixedFont(ssd1306xled_font6x8);
ssd1306_printFixed(ssd1306_displayWidth() / 2 - 5 * CHAR_WIDTH, ssd1306_displayHeight() / 2 - CHAR_HEIGHT / 2,
"Booting...", STYLE_NORMAL);
lastState.rpm = new uint16_t[fansLength];
}
void Display::update(Mode mode){
//Notes
// Characters are 5 * 7
// They are spaced 6 * 8
if(init){
ssd1306_clearScreen();
}
uint8_t x = 0;
uint8_t y = 0;
if(mode != lastState.mode || init){
if(mode == Mode::Low)
ssd1306_negativeMode();
ssd1306_clearBlock(0, 0, ssd1306_displayWidth(), CHAR_HEIGHT);
x = ssd1306_displayWidth() / 2.0 - (5 + strlen(modeToStr(mode))) * CHAR_WIDTH / 2.0;
ssd1306_printFixed(x, y, "Mode:", STYLE_NORMAL);
ssd1306_printFixed(x + 5 * CHAR_WIDTH, y, modeToStr(mode), STYLE_NORMAL);
if(mode == Mode::Low)
ssd1306_positiveMode();
lastState.mode = mode;
}
y += CHAR_HEIGHT;
char buffer[24];
for(uint8_t i = 0 ; i < sensorsLength ; i++){
auto& sensor = sensors[i];
if(init){
ssd1306_clearBlock(0, y / 8, ssd1306_displayWidth(), y / 8 + 1);
// Icon
ssd1306_drawBitmap(0, y / 8, 7, 8, bitmapTemp);
// Name
ssd1306_printFixed(9, y, sensor.def->name, STYLE_NORMAL);
// °
ssd1306_drawBitmap(ssd1306_displayWidth() - 2 * CHAR_WIDTH + 1, y / 8, 5, 8, bitmapDegree);
// C
ssd1306_printFixed(ssd1306_displayWidth() - 1 * CHAR_WIDTH, y, "C", STYLE_NORMAL);
}
// Temp value
dtostrf(sensor.smoothedTemp(), 6, 1, buffer);
ssd1306_printFixed(
ssd1306_displayWidth() - (2 + 6) * CHAR_WIDTH, y,
buffer, STYLE_NORMAL);
y += CHAR_HEIGHT;
for(uint8_t j = 0 ; j < fansLength ; j++){
auto& fan = fans[j];
if(fan.def->sensorIndex == i){
if(init){
ssd1306_clearBlock(0, y / 8, ssd1306_displayWidth(), y / 8 + 1);
// Name
ssd1306_printFixed(15, y, fan.def->name, STYLE_NORMAL);
// %
ssd1306_printFixed(ssd1306_displayWidth() - CHAR_WIDTH, y, "%", STYLE_NORMAL);
}
// Icon
if(fan.currentSpeed() > 0)
ssd1306_drawBitmap(6, y / 8, 7, 8, bitmapFan[cnt % 3]);
else
ssd1306_drawBitmap(6, y / 8, 7, 8, bitmapFan[0]);
//Speed
sprintf(buffer, "%3d", fan.currentSpeed());
ssd1306_printFixed(ssd1306_displayWidth() - (3 + 1) * CHAR_WIDTH, y,
buffer, STYLE_NORMAL);
//RPM
if(fan.hasTacho()){
auto rpm = fan.getRPM();
auto rpmSave = rpm;
if(init == false){
rpm = (rpm + lastState.rpm[j]) / 2;
}
lastState.rpm[j] = rpmSave;
int digits = rpm == 0 ? 1 : (log10(rpm) + 1);
if(digits <= 4)
sprintf(buffer, "%4u", rpm);
else
sprintf(buffer, "%3uk", rpm / 1000ul);
ssd1306_printFixed(ssd1306_displayWidth() - (5 + 3 + 1) * CHAR_WIDTH, y,
buffer, STYLE_NORMAL);
}
y += CHAR_HEIGHT;
}
}
}
for(uint8_t i = 0 ; i < customLength ; i++){
auto& custom = customDefs[i];
if(init){
ssd1306_clearBlock(0, y / 8, ssd1306_displayWidth(), y / 8 + 1);
// Icon
ssd1306_drawBitmap(0, y / 8, 7, 8, custom.icon);
// Name
ssd1306_printFixed(9, y, custom.name, STYLE_NORMAL);
}
custom.value(buffer, sensors, fans);
ssd1306_printFixed(ssd1306_displayWidth() - (strlen(buffer)) * CHAR_WIDTH, y,
buffer, STYLE_NORMAL);
y += CHAR_HEIGHT;
}
cnt++;
init = false;
}