diff options
Diffstat (limited to 'main/main.ino')
| -rw-r--r-- | main/main.ino | 192 |
1 files changed, 192 insertions, 0 deletions
diff --git a/main/main.ino b/main/main.ino new file mode 100644 index 0000000..55248db --- /dev/null +++ b/main/main.ino @@ -0,0 +1,192 @@ +#define SERIAL_BAUD 115200 +#define MAX_CODE_LEN 1024 + +#define PINOUT_KBM7 1 +#define PINOUT_KBM6 3 +#define PINOUT_KBM5 5 +#define PINOUT_KBM4 7 +#define PINOUT_KBM3 9 +#define PINOUT_KBM2 11 +#define PINOUT_KBM1 13 +#define PINOUT_LED_Y 6 +#define PINOUT_LED_R 8 +#define PINOUT_LED_G 10 +#define PINOUT_BUZZ 12 +#define PINOUT_SET 14 +#define PINOUT_RELAIS 16 + +#define KB_ROW_1 PINOUT_KBM2 +#define KB_ROW_2 PINOUT_KBM3 +#define KB_ROW_3 PINOUT_KBM5 +#define KB_ROW_4 PINOUT_KBM7 +#define KB_COL_1 PINOUT_KBM1 +#define KB_COL_2 PINOUT_KBM4 +#define KB_COL_3 PINOUT_KBM6 + +int kb_rows[] = { KB_ROW_1, KB_ROW_2, KB_ROW_3, KB_ROW_4 }; +int kb_cols[] = { KB_COL_1, KB_COL_2, KB_COL_3 }; + +unsigned char kb[12], kb_old[12]; + +unsigned char correct_code[] = { 0, 0, 0, 0 }; +unsigned char code[MAX_CODE_LEN]; +unsigned int codei = 0; + +typedef struct { + unsigned char key; + bool down; + unsigned long timestamp; +} kb_event; + +void setup() { + // Start serial (vooral voor debugging) + Serial.begin(SERIAL_BAUD); + + // keyboard kolommen als output + pinMode(KB_COL_1, OUTPUT); + pinMode(KB_COL_2, OUTPUT); + pinMode(KB_COL_3, OUTPUT); + + // keyboard rijen als input + pinMode(KB_ROW_1, INPUT_PULLUP); + pinMode(KB_ROW_2, INPUT_PULLUP); + pinMode(KB_ROW_3, INPUT_PULLUP); + pinMode(KB_ROW_4, INPUT_PULLUP); +} + +void kb_scan() { + // kopieer kb naar kb_old + memcpy(&kb_old, kb, sizeof(kb_old)); + + // stel alle indices van kb_old in op 0 + memset(&kb, 0, sizeof(kb)); + + for (int col = 0; col < 3; col++) { + digitalWrite(kb_cols[col], HIGH); + delay(10); + + for (int row = 0; row < 4; row++) { + Serial.print("checking pin "); + Serial.print(kb_cols[col], DEC); + Serial.print(" -> "); + Serial.print(kb_rows[row], DEC); + Serial.print(" ...\n"); + + kb[3 * col + row] = digitalRead(kb_rows[row]); + delay(10); + } + + digitalWrite(kb_cols[col], LOW); + delay(10); + } +} + +void debug_print_arr(unsigned char x[12]) { + Serial.print("["); + for(int i = 0; i < 12; i++) { + Serial.print(x[i], DEC); + if (i != 11) Serial.print(", "); + } + Serial.print("]\n"); +} + +void wrong_code_routine() { + //TODO: buzz; + digitalWrite(PINOUT_LED_R, HIGH); + + delay(1e3); // shorthand voor 1000 + + digitalWrite(PINOUT_LED_R, LOW); +} + +void unlock_routine() { + //TODO: open_solenoid(); + //TODO: buzz; + digitalWrite(PINOUT_LED_G, HIGH); + + delay(2e3); + + digitalWrite(PINOUT_LED_G, LOW); +} + +void kb_onevent(kb_event ev) { + if (!ev.down) return; + + switch (ev.key) { + // C toets (clear) + case 9: { + // TODO: kijk of sizeof() werkt voor arrays + memset(&code, 0, sizeof(code)); + codei = 0; + + break; + } + + // E toets (enter) + case 11: { + //TODO: array length + int correct_code_len = 3; + bool correct = true; + + if (codei != correct_code_len) break; + for (int i = 0; i < correct_code_len; i++) { + if (correct_code[i] == code[i]) continue; + + // dit voert alleen uit als een van + // de getallen in code[] niet gelijk is aan correct_code[] + correct = false; + break; + } + + // debug + Serial.print(correct, DEC); + + // kijk mama geen haakjes + if (correct) + unlock_routine(); + else + wrong_code_routine(); + + break; + } + + // Overige toetsen (nummers) + default: { + // bereken getal op toets + // (key + 1 voor alle toetsen behalve 0) + int num = ev.key == 10 ? 0 : ev.key + 1; + + // voeg getal toe aan het einde van de code + code[codei] = num; + codei++; + + //TODO: beep + } + } +} + +void kb_event_gen() { + for(int i = 0; i < 12; i++) { + // ga door naar de volgende iteratie + // als de toetsen niet veranderd zijn + if (kb[i] == kb_old[i]) continue; + + kb_event event = { + .key = i, + .down = kb[i], + .timestamp = millis() + }; + + kb_onevent(event); + } +} + +void loop() { + kb_scan(); + kb_event_gen(); + debug_print_arr(kb); + Serial.print("time "); + Serial.print(millis(), DEC); + Serial.print("\n"); + delay(1e3); +} |