mirror of
https://github.com/clockworkpi/PicoCalc.git
synced 2025-12-12 18:28:53 +01:00
144 lines
3.5 KiB
C
144 lines
3.5 KiB
C
/**
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* PicoCalc SD Firmware Loader
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*
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* Author: Hsuan Han Lai
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* Email: hsuan.han.lai@gmail.com
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* Website: https://hsuanhanlai.com
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* Year: 2025
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*
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* key_event.c
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*
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* Wrapper for post processing dispatch keyboard events
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*
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*/
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#include "i2ckbd.h"
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#include <stdio.h>
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#include <string.h>
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#include <pico/stdio.h>
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#include "key_event.h"
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#include "debug.h"
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void keypad_init(void)
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{
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init_i2c_kbd();
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}
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int keypad_get_key(void)
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{
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int r = read_i2c_kbd();
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if (r < 0) {
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return 0;
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}
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int act_key = 0;
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/* Translate the keys to LVGL control characters according to your key definitions */
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switch (r) {
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case 0xb5: // Arrow Up
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act_key = KEY_ARROW_UP;
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break;
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case 0xb6: // Arrow Down
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act_key = KEY_ARROW_DOWN;
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break;
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case 0xb4: // Arrow Left
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act_key = KEY_ARROW_LEFT;
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break;
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case 0xb7: // Arrow Right
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act_key = KEY_ARROW_RIGHT;
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break;
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case 0x0A: // Enter
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act_key = KEY_ENTER;
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break;
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// Special Keys
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case 0x81: case 0x82: case 0x83: case 0x84: case 0x85:
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case 0x86: case 0x87: case 0x88: case 0x89: case 0x90: // F1-F10 Keys
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DEBUG_PRINT("Warn: F-key unmapped\n");
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act_key = 0;
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break;
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case 0xB1: // ESC
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act_key = 0;
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break;
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case 0x09: // TAB
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act_key = 0;
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break;
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case 0xC1: // Caps Lock
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act_key = 0;
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break;
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case 0xD4: // DEL
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act_key = 0;
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break;
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case 0x08: // Backspace
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act_key = KEY_BACKSPACE;
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break;
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case 0xD0: // brk
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act_key = 0;
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break;
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case 0xD2: // Home
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act_key = 0;
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break;
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case 0xD5: // End
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act_key = 0;
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break;
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case 0x60: case 0x2F: case 0x5C: case 0x2D: case 0x3D:
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case 0x5B: case 0x5D: // `/\-=[] Keys
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act_key = r;
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break;
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case 0x7E: act_key = '~'; break;
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case 0x3F: act_key = '?'; break;
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case 0x7C: act_key = '|'; break;
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case 0x5F: act_key = '_'; break;
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case 0x2B: act_key = '+'; break;
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case 0x7B: act_key = '{'; break;
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case 0x7D: act_key = '}'; break;
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case 0x30: case 0x31: case 0x32: case 0x33: case 0x34:
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case 0x35: case 0x36: case 0x37: case 0x38: case 0x39: // 0-9 Keys
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act_key = r;
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break;
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case 0x21: case 0x40: case 0x23: case 0x24: case 0x25:
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case 0x5E: case 0x26: case 0x2A: case 0x28: case 0x29: // !@#$%^&*() Keys
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act_key = r;
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break;
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case 0xD1: // Insert
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DEBUG_PRINT("Warn: Insert unmapped\n");
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act_key = 0;
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break;
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case 0x3C: act_key = '<'; break;
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case 0x3E: act_key = '>'; break;
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case 0x3B: case 0x27: case 0x3A: case 0x22: // ;:'"" Keys
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act_key = r;
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break;
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case 0xA5: // CTL
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DEBUG_PRINT("Warn: CTL unmapped\n");
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act_key = 0;
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break;
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case 0x20: // SPACE
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act_key = r;
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break;
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case 0xA1: // ALT
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DEBUG_PRINT("Warn: ALT unmapped\n");
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act_key = 0;
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break;
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case 0xA2: case 0xA3: // RIGHT/LEFT SHIFT
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break;
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default:
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act_key = r;
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break;
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}
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return act_key;
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}
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