100 lines
3.3 KiB
C
100 lines
3.3 KiB
C
#include <stdio.h>
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#include <string.h>
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#include "pico/stdlib.h"
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#include "hardware/gpio.h"
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#include "pico/binary_info.h"
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const uint LED_PIN = 0;
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// Define hash table for letter matrix
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#define TABLE_SIZE 256
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typedef struct {
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char key;
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int l_value;
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int r_value;
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} Entry;
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typedef struct {
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Entry entries[TABLE_SIZE];
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int count;
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} LetterMatrix;
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void init_matrix(LetterMatrix* mt) {
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mt->count = 0;
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mt->entries[mt->count++] = (Entry){'a', 3, 16};
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mt->entries[mt->count++] = (Entry){'b', 4, 15};
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mt->entries[mt->count++] = (Entry){'c', 1, 9};
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mt->entries[mt->count++] = (Entry){'d', 2, 13};
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mt->entries[mt->count++] = (Entry){'e', 2, 14};
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mt->entries[mt->count++] = (Entry){'f', 1, 13};
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mt->entries[mt->count++] = (Entry){'g', 1, 16};
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mt->entries[mt->count++] = (Entry){'h', 4, 16};
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mt->entries[mt->count++] = (Entry){'i', 5, 13};
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mt->entries[mt->count++] = (Entry){'j', 4, 13};
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mt->entries[mt->count++] = (Entry){'k', 5, 14};
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mt->entries[mt->count++] = (Entry){'l', 5, 16};
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mt->entries[mt->count++] = (Entry){'m', 5, 10};
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mt->entries[mt->count++] = (Entry){'n', 5, 9};
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mt->entries[mt->count++] = (Entry){'o', 5, 18};
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mt->entries[mt->count++] = (Entry){'p', 6, 17};
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mt->entries[mt->count++] = (Entry){'q', 3, 18};
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mt->entries[mt->count++] = (Entry){'r', 1, 14};
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mt->entries[mt->count++] = (Entry){'s', 2, 18};
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mt->entries[mt->count++] = (Entry){'t', 1, 18};
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mt->entries[mt->count++] = (Entry){'u', 4, 14};
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mt->entries[mt->count++] = (Entry){'v', 1, 15};
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mt->entries[mt->count++] = (Entry){'w', 2, 16};
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mt->entries[mt->count++] = (Entry){'x', 2, 9};
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mt->entries[mt->count++] = (Entry){'y', 3, 15};
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mt->entries[mt->count++] = (Entry){'z', 4, 18};
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mt->entries[mt->count++] = (Entry){'1', 3, 13};
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mt->entries[mt->count++] = (Entry){'2', 3, 14};
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mt->entries[mt->count++] = (Entry){'3', 2, 15};
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mt->entries[mt->count++] = (Entry){'4', 2, 10};
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mt->entries[mt->count++] = (Entry){'5', 1, 10};
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mt->entries[mt->count++] = (Entry){'6', 1, 17};
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mt->entries[mt->count++] = (Entry){'7', 4, 17};
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mt->entries[mt->count++] = (Entry){'8', 4, 10};
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mt->entries[mt->count++] = (Entry){'9', 5, 17};
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mt->entries[mt->count++] = (Entry){'0', 5, 15};
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mt->entries[mt->count++] = (Entry){'ß', 6, 15};
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mt->entries[mt->count++] = (Entry){'+', 7, 14};
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mt->entries[mt->count++] = (Entry){'#', 7, 15};
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mt->entries[mt->count++] = (Entry){''', 6, 16};
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mt->entries[mt->count++] = (Entry){'.', 6, 9};
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mt->entries[mt->count++] = (Entry){'-', 7, 18};
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mt->entries[mt->count++] = (Entry){' ', 4, 9};
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mt->entries[mt->count++] = (Entry){'´', 6, 10};
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};
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// Lookup function to get left and right pin values for the letter
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Entry* lookup(LetterMatrix* mt, char key) {
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for (int i = 0; i < ht->count; i++) {
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if (ht->entries[i].key == key) {
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return &ht->entries[i];
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}
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}
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return NULL; // Not found
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};
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// TODO: Implement special keys
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int main () {
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bi_decl(bi_program_description("Blink"));
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bi_decl(bi_1pin_with_name(LED_PIN, "Onboard LED"));
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stdio_init_all();
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gpio_init(LED_PIN);
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gpio_set_dir(LED_PIN, GPIO_OUT);
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while (1) {
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gpio_put(LED_PIN, 1);
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sleep_ms(1000);
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gpio_put(LED_PIN, 0);
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sleep_ms(1000);
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}
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return 0;
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}
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