mirror of
https://github.com/clockworkpi/PicoCalc.git
synced 2026-03-19 02:22:37 +01:00
410f8fcd72
This version has the following changes: * return the bios version with REG_ID_VER * Improved backlight setting for LCD and Keyboard * Replaced delay() with a non-blocking delay nbDelay() * Implements monitoring of receive and request events * I2C reset if no events were recorded in previous 2.5 seconds indicating a possible I2C malfunction.
62 lines
1.3 KiB
C++
62 lines
1.3 KiB
C++
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#include "backlight.h"
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#define KBD_BACKLIGHT_SEG 4
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uint8_t kbd_backlight_segs[KBD_BACKLIGHT_SEG] = {20,40,80,110};
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uint8_t kbd_backlight_offset = 0;
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void lcd_backlight_update_reg() {
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uint8_t val;
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val = reg_get_value(REG_ID_BKL);
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val = val & 0xff;
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analogWriteFrequency(10000);
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analogWrite(PA8, val);
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}
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void lcd_backlight_update(int v) {
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int val;
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val = reg_get_value(REG_ID_BKL);
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val += v;
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val = ( val / LCD_BACKLIGHT_STEP ) * LCD_BACKLIGHT_STEP;
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if(val < LCD_BACKLIGHT_STEP) val = LCD_BACKLIGHT_STEP;
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if(val > 240) val = 240;
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analogWriteFrequency(10000);
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analogWrite(PA8, val);
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reg_set_value(REG_ID_BKL,val);
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}
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void kbd_backlight_update(int v){
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int val;
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val = reg_get_value(REG_ID_BK2);
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val += v;
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val = ( val / KBD_BACKLIGHT_STEP ) * KBD_BACKLIGHT_STEP;
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if(val < KBD_BACKLIGHT_STEP) val = 0;
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if(val > 240) val = 0;
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analogWriteFrequency(10000);
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analogWrite(PC8, val);
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reg_set_value(REG_ID_BK2,val);
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}
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void kbd_backlight_update_offset(){
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int val;
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kbd_backlight_offset++;
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kbd_backlight_offset = kbd_backlight_offset % KBD_BACKLIGHT_SEG;
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val = reg_get_value(REG_ID_BK2);
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val += kbd_backlight_segs[kbd_backlight_offset];
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if(val < 0x20) val = 0;
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if(val > 0xf0) val = 0;
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analogWriteFrequency(10000);
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analogWrite(PC8, val);
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reg_set_value(REG_ID_BK2,val);
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}
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