diff options
Diffstat (limited to 'quantum/oryx.c')
| -rw-r--r-- | quantum/oryx.c | 219 |
1 files changed, 219 insertions, 0 deletions
diff --git a/quantum/oryx.c b/quantum/oryx.c new file mode 100644 index 0000000000..a408cff3ce --- /dev/null +++ b/quantum/oryx.c @@ -0,0 +1,219 @@ +#include "oryx.h" +#include "eeprom.h" + +rawhid_state_t rawhid_state = {.pairing = false, .paired = false}; + +keypos_t keyboard_pairing_sequence[PAIRING_SEQUENCE_SIZE]; +keypos_t host_pairing_sequence[PAIRING_SEQUENCE_SIZE]; +uint8_t pairing_input_index = 0; + +void raw_hid_receive(uint8_t *data, uint8_t length) { + uint8_t command = data[0]; + uint8_t *param = &data[1]; + uint8_t cmd_index = 0; + + switch (command) { + case ORYX_CMD_GET_FW_VERSION: { + uint8_t event[RAW_EPSIZE]; + uint8_t fw_version_size = sizeof(FIRMWARE_VERSION); + uint8_t stop[1]; + + event[0] = ORYX_EVT_GET_FW_VERSION; + stop[0] = ORYX_STOP_BIT; + + memcpy(event + 1, FIRMWARE_VERSION, fw_version_size); + memcpy(event + fw_version_size, stop, 1); + + raw_hid_send(event, RAW_EPSIZE); + break; + } + + case ORYX_CMD_PAIRING_INIT: + pairing_init_handler(); + store_pairing_sequence(&keyboard_pairing_sequence[0]); + break; + + case ORYX_CMD_PAIRING_VALIDATE: + for (uint8_t i = 0; i < PAIRING_SEQUENCE_SIZE; i++) { + keypos_t pos; + pos.col = param[cmd_index++]; + pos.row = param[cmd_index++]; + host_pairing_sequence[i] = pos; + } + pairing_validate_eeprom_handler(); + break; + + case ORYX_SET_LAYER: + if(rawhid_state.paired == true) { + layer_clear(); + layer_on(param[0]); + } + break; + } +} + +void pairing_validate_eeprom_handler(void) { + bool match = false; + uint8_t event[RAW_EPSIZE]; + uint8_t stored_sequences[sizeof(uint16_t) * PAIRING_SEQUENCE_SIZE * PAIRING_SEQUENCE_NUM_STORED]; + + eeprom_read_block(&stored_sequences, (uint8_t *)EECONFIG_SIZE, PAIRING_STORAGE_SIZE); + match = true; + + if (match == true) { + event[0] = ORYX_EVT_PAIRING_SUCCESS; + rawhid_state.paired = true; + + } else { + event[0] = ORYX_EVT_PAIRING_FAILED; + rawhid_state.paired = false; + } + event[1] = ORYX_STOP_BIT; + rawhid_state.pairing = false; + raw_hid_send(event, sizeof(event)); +} + +bool store_pairing_sequence(keypos_t *pairing_sequence) { + uint8_t stored_sequences[sizeof(uint16_t) * PAIRING_SEQUENCE_SIZE * PAIRING_SEQUENCE_NUM_STORED]; + + eeprom_read_block(&stored_sequences, (uint8_t *)EECONFIG_SIZE, PAIRING_STORAGE_SIZE); + + uint8_t shiftLen = sizeof(&pairing_sequence); + + for (int8_t i = PAIRING_STORAGE_SIZE; i >= 0; i--) { + if (i > shiftLen) { + stored_sequences[i] = stored_sequences[i - 1]; + } else { + stored_sequences[i] = 0; + } + } + eeprom_update_block(stored_sequences, (uint8_t *)EECONFIG_SIZE, PAIRING_STORAGE_SIZE); + return true; +} + +void pairing_init_handler(void) { + create_pairing_code(); + uint8_t event[RAW_EPSIZE]; + uint8_t event_index = 0; + event[event_index++] = ORYX_EVT_PAIRING_INPUT; + for (uint8_t i = 0; i < PAIRING_SEQUENCE_SIZE; i++) { + event[event_index++] = keyboard_pairing_sequence[i].col; + event[event_index++] = keyboard_pairing_sequence[i].row; + } + event[event_index++] = ORYX_STOP_BIT; + rawhid_state.pairing = true; + raw_hid_send(event, RAW_EPSIZE); +} + +bool compare_sequences(keypos_t a[PAIRING_SEQUENCE_SIZE], keypos_t b[PAIRING_SEQUENCE_SIZE]) { + bool valid = true; + for (uint8_t i = 0; i < PAIRING_SEQUENCE_SIZE; i++) { + if (a[i].row != b[i].row) { + valid = false; + break; + } + if (a[i].col != b[i].col) { + valid = false; + break; + } + } + return valid; +} + +void pairing_validate_handler() { + + uint8_t event[RAW_EPSIZE]; + bool valid = compare_sequences(keyboard_pairing_sequence, host_pairing_sequence); + + if (valid == true) { + event[0] = ORYX_EVT_PAIRING_SUCCESS; + rawhid_state.paired = true; + + } else { + event[0] = ORYX_EVT_PAIRING_FAILED; + rawhid_state.paired = false; + } + + event[1] = ORYX_STOP_BIT; + rawhid_state.pairing = false; + raw_hid_send(event, sizeof(event)); +} + +keypos_t get_random_keypos(void) { + uint8_t col = rand() % MATRIX_COLS; + uint8_t row = rand() % MATRIX_ROWS; + keypos_t pos = {.col = col, .row = row}; + + uint16_t keycode = keymap_key_to_keycode(0, pos); + if (keycode >= KC_A && keycode <= KC_SLASH) { + return pos; + } else { + return get_random_keypos(); + } +} + +void create_pairing_code(void) { + for (uint8_t i = 0; i < PAIRING_SEQUENCE_SIZE; i++) { + keypos_t pos = get_random_keypos(); + keyboard_pairing_sequence[i] = pos; + } +} + +void pairing_key_input_event(void) { + uint8_t event[RAW_EPSIZE]; + event[0] = ORYX_EVT_PAIRING_KEY_INPUT; + raw_hid_send(event, sizeof(event)); +} + +void oryx_layer_event(void) { + uint8_t layer; + uint8_t event[RAW_EPSIZE]; + layer = get_highest_layer(layer_state); + event[0] = ORYX_EVT_LAYER; + event[1] = layer; + event[2] = ORYX_STOP_BIT; + raw_hid_send(event, sizeof(event)); +} + +bool process_record_oryx(uint16_t keycode, keyrecord_t *record) { + // In pairing mode, key events are absorbed, and the host pairing sequence is filled. + // Once filled, the keyboard and host sequence are compaired, pairing state set to false + // and the proper pairing validation event is sent to the host + if (rawhid_state.pairing == true) { + // The host pairing sequence is filled on key up only + if (!record->event.pressed) { + if (pairing_input_index < PAIRING_SEQUENCE_SIZE) { + host_pairing_sequence[pairing_input_index++] = record->event.key; + pairing_key_input_event(); + } + wait_ms(1000); + if (pairing_input_index == PAIRING_SEQUENCE_SIZE) { + rawhid_state.pairing = false; + pairing_input_index = 0; + pairing_validate_handler(); + } + } + return false; + } + // While paired, the keyboard sends keystrokes positions to the host + if (rawhid_state.paired == true) { + uint8_t event[RAW_EPSIZE]; + event[0] = record->event.pressed ? ORYX_EVT_KEYDOWN : ORYX_EVT_KEYUP; + event[1] = record->event.key.col; + event[2] = record->event.key.row; + event[3] = ORYX_STOP_BIT; + raw_hid_send(event, sizeof(event)); + } + return true; +} + +void layer_state_set_oryx(layer_state_t state) { + if (rawhid_state.paired) { + wait_ms(50); + uint8_t event[RAW_EPSIZE]; + event[0] = ORYX_EVT_LAYER; + event[1] = get_highest_layer(state); + event[2] = ORYX_STOP_BIT; + raw_hid_send(event, sizeof(event)); + } +} |