separated into api files/folder

6 files changed, 280 insertions, 4 deletions

diff --git a/quantum/api.c b/quantum/api.c
new file mode 100644
index 0000000000..4ca3b96762
--- /dev/null
+++ b/quantum/api.c
@@ -0,0 +1,178 @@
+#include "api.h"
+#include "quantum.h"
+
+void dword_to_bytes(uint32_t dword, uint8_t * bytes) {
+    bytes[0] = (dword >> 24) & 0xFF;
+    bytes[1] = (dword >> 16) & 0xFF; 
+    bytes[2] = (dword >> 8) & 0xFF; 
+    bytes[3] = (dword >> 0) & 0xFF; 
+}
+
+uint32_t bytes_to_dword(uint8_t * bytes, uint8_t index) {
+    return ((uint32_t)bytes[index + 0] << 24) | ((uint32_t)bytes[index + 1] << 16) | ((uint32_t)bytes[index + 2] << 8) | (uint32_t)bytes[index + 3];
+}
+
+__attribute__ ((weak))
+bool process_api_quantum(uint8_t length, uint8_t * data) {
+    return process_api_keyboard(length, data);
+}
+
+__attribute__ ((weak))
+bool process_api_keyboard(uint8_t length, uint8_t * data) {
+    return process_api_user(length, data);
+}
+
+__attribute__ ((weak))
+bool process_api_user(uint8_t length, uint8_t * data) {
+    return true;
+}
+
+void process_api(uint16_t length, uint8_t * data) {
+    // SEND_STRING("\nRX: ");
+    // for (uint8_t i = 0; i < length; i++) {
+    //     send_byte(data[i]);
+    //     SEND_STRING(" ");
+    // }
+    if (!process_api_quantum(length, data))
+        return;
+
+    switch (data[0]) {
+        case MT_SET_DATA:
+            switch (data[1]) {
+                case DT_DEFAULT_LAYER: {
+                    eeconfig_update_default_layer(data[2]);
+                    default_layer_set((uint32_t)(data[2]));
+                    break;
+                }
+                case DT_KEYMAP_OPTIONS: {
+                    eeconfig_update_keymap(data[2]);
+                    break;
+                }
+                case DT_RGBLIGHT: {
+                    #ifdef RGBLIGHT_ENABLE
+                        uint32_t rgblight = bytes_to_dword(data, 2);
+                        rgblight_update_dword(rgblight);
+                    #endif
+                    break;
+                }
+            }
+        case MT_GET_DATA:
+            switch (data[1]) {
+                case DT_HANDSHAKE: {
+                    MT_GET_DATA_ACK(DT_HANDSHAKE, NULL, 0);
+                    break;
+                }
+                case DT_DEBUG: {
+                    uint8_t debug_bytes[1] = { eeprom_read_byte(EECONFIG_DEBUG) };
+                    MT_GET_DATA_ACK(DT_DEBUG, debug_bytes, 1);
+                    break;
+                }
+                case DT_DEFAULT_LAYER: {
+                    uint8_t default_bytes[1] = { eeprom_read_byte(EECONFIG_DEFAULT_LAYER) };
+                    MT_GET_DATA_ACK(DT_DEFAULT_LAYER, default_bytes, 1);
+                    break;
+                }
+                case DT_CURRENT_LAYER: {
+                    uint8_t layer_state_bytes[4];
+                    dword_to_bytes(layer_state, layer_state_bytes);
+                    MT_GET_DATA_ACK(DT_CURRENT_LAYER, layer_state_bytes, 4);
+                    break;
+                }
+                case DT_AUDIO: {
+                    #ifdef AUDIO_ENABLE
+                        uint8_t audio_bytes[1] = { eeprom_read_byte(EECONFIG_AUDIO) };
+                        MT_GET_DATA_ACK(DT_AUDIO, audio_bytes, 1);
+                    #else
+                        MT_GET_DATA_ACK(DT_AUDIO, NULL, 0);
+                    #endif
+                    break;
+                }
+                case DT_BACKLIGHT: {
+                    #ifdef BACKLIGHT_ENABLE
+                        uint8_t backlight_bytes[1] = { eeprom_read_byte(EECONFIG_BACKLIGHT) };
+                        MT_GET_DATA_ACK(DT_BACKLIGHT, backlight_bytes, 1);
+                    #else
+                        MT_GET_DATA_ACK(DT_BACKLIGHT, NULL, 0);
+                    #endif
+                    break;
+                }
+                case DT_RGBLIGHT: {
+                    #ifdef RGBLIGHT_ENABLE
+                        uint8_t rgblight_bytes[4];
+                        dword_to_bytes(eeconfig_read_rgblight(), rgblight_bytes);
+                        MT_GET_DATA_ACK(DT_RGBLIGHT, rgblight_bytes, 4);
+                    #else
+                        MT_GET_DATA_ACK(DT_RGBLIGHT, NULL, 0);
+                    #endif
+                    break;
+                }
+                case DT_KEYMAP_OPTIONS: {
+                    uint8_t keymap_bytes[1] = { eeconfig_read_keymap() };
+                    MT_GET_DATA_ACK(DT_KEYMAP_OPTIONS, keymap_bytes, 1);
+                    break;
+                }
+                case DT_KEYMAP_SIZE: {
+                    uint8_t keymap_size[2] = {MATRIX_ROWS, MATRIX_COLS};
+                    MT_GET_DATA_ACK(DT_KEYMAP_SIZE, keymap_size, 2);
+                    break;
+                }
+                case DT_KEYMAP: {
+                    uint8_t keymap_data[MATRIX_ROWS * MATRIX_COLS * 4 + 3];
+                    keymap_data[0] = data[2];
+                    keymap_data[1] = MATRIX_ROWS;
+                    keymap_data[2] = MATRIX_COLS;
+                    for (int i = 0; i < MATRIX_ROWS; i++) {
+                        for (int j = 0; j < MATRIX_COLS; j++) {
+                            keymap_data[3 + (i*MATRIX_COLS*2) + (j*2)] = pgm_read_word(&keymaps[data[2]][i][j]) >> 8;
+                            keymap_data[3 + (i*MATRIX_COLS*2) + (j*2) + 1] = pgm_read_word(&keymaps[data[2]][i][j]) & 0xFF;
+                        }
+                    }
+                    MT_GET_DATA_ACK(DT_KEYMAP, keymap_data, MATRIX_ROWS * MATRIX_COLS * 4 + 3);
+                    // uint8_t keymap_data[5];
+                    // keymap_data[0] = data[2];
+                    // keymap_data[1] = data[3];
+                    // keymap_data[2] = data[4];
+                    // keymap_data[3] = pgm_read_word(&keymaps[data[2]][data[3]][data[4]]) >> 8;
+                    // keymap_data[4] = pgm_read_word(&keymaps[data[2]][data[3]][data[4]]) & 0xFF;
+
+                    // MT_GET_DATA_ACK(DT_KEYMAP, keymap_data, 5);
+                    break;
+                }
+                default:
+                    break;
+            }
+            break;
+        case MT_SET_DATA_ACK:
+        case MT_GET_DATA_ACK:
+            break;
+        case MT_SEND_DATA:
+            break;
+        case MT_SEND_DATA_ACK:
+            break;
+        case MT_EXE_ACTION:
+            break;
+        case MT_EXE_ACTION_ACK:
+            break;
+        case MT_TYPE_ERROR:
+            break;
+        default: ; // command not recognised
+            SEND_BYTES(MT_TYPE_ERROR, DT_NONE, data, length);
+            break;
+
+        // #ifdef RGBLIGHT_ENABLE
+        // case 0x27: ; // RGB LED functions
+        //     switch (*data++) {
+        //         case 0x00: ; // Update HSV
+        //             rgblight_sethsv((data[0] << 8 | data[1]) % 360, data[2], data[3]);
+        //             break;
+        //         case 0x01: ; // Update RGB
+        //             break;
+        //         case 0x02: ; // Update mode
+        //             rgblight_mode(data[0]);
+        //             break;
+        //     }
+        //     break;
+        // #endif
+    }
+
+}
\ No newline at end of file
diff --git a/quantum/api.h b/quantum/api.h
new file mode 100644
index 0000000000..00dcdb8954
--- /dev/null
+++ b/quantum/api.h
@@ -0,0 +1,59 @@
+#ifndef _API_H_
+#define _API_H_
+
+#include "lufa.h"
+
+enum MESSAGE_TYPE {
+    MT_GET_DATA =      0x10, // Get data from keyboard
+    MT_GET_DATA_ACK =  0x11, // returned data to process (ACK)
+    MT_SET_DATA =      0x20, // Set data on keyboard
+    MT_SET_DATA_ACK =  0x21, // returned data to confirm (ACK)
+    MT_SEND_DATA =     0x30, // Sending data/action from keyboard
+    MT_SEND_DATA_ACK = 0x31, // returned data/action confirmation (ACK)
+    MT_EXE_ACTION =    0x40, // executing actions on keyboard
+    MT_EXE_ACTION_ACK =0x41, // return confirmation/value (ACK)
+    MT_TYPE_ERROR =    0x80 // type not recofgnised (ACK)
+};
+
+enum DATA_TYPE {
+    DT_NONE = 0x00,
+    DT_HANDSHAKE,
+    DT_DEFAULT_LAYER,
+    DT_CURRENT_LAYER,
+    DT_KEYMAP_OPTIONS,
+    DT_BACKLIGHT,
+    DT_RGBLIGHT,
+    DT_UNICODE,
+    DT_DEBUG,
+    DT_AUDIO,
+    DT_QUANTUM_ACTION,
+    DT_KEYBOARD_ACTION,
+    DT_USER_ACTION,
+    DT_KEYMAP_SIZE,
+    DT_KEYMAP
+};
+
+void dword_to_bytes(uint32_t dword, uint8_t * bytes);
+uint32_t bytes_to_dword(uint8_t * bytes, uint8_t index);
+
+#define MT_GET_DATA(data_type, data, length) SEND_BYTES(MT_GET_DATA, data_type, data, length)
+#define MT_GET_DATA_ACK(data_type, data, length) SEND_BYTES(MT_GET_DATA_ACK, data_type, data, length)
+#define MT_SET_DATA(data_type, data, length) SEND_BYTES(MT_SET_DATA, data_type, data, length)
+#define MT_SET_DATA_ACK(data_type, data, length) SEND_BYTES(MT_SET_DATA_ACK, data_type, data, length)
+#define MT_SEND_DATA(data_type, data, length) SEND_BYTES(MT_SEND_DATA, data_type, data, length)
+#define MT_SEND_DATA_ACK(data_type, data, length) SEND_BYTES(MT_SEND_DATA_ACK, data_type, data, length)
+#define MT_EXE_ACTION(data_type, data, length) SEND_BYTES(MT_EXE_ACTION, data_type, data, length)
+#define MT_EXE_ACTION_ACK(data_type, data, length) SEND_BYTES(MT_EXE_ACTION_ACK, data_type, data, length)
+
+void process_api(uint16_t length, uint8_t * data);
+
+__attribute__ ((weak))
+bool process_api_quantum(uint8_t length, uint8_t * data);
+
+__attribute__ ((weak))
+bool process_api_keyboard(uint8_t length, uint8_t * data);
+
+__attribute__ ((weak))
+bool process_api_user(uint8_t length, uint8_t * data);
+
+#endif
\ No newline at end of file
diff --git a/quantum/api/api_sysex.c b/quantum/api/api_sysex.c
new file mode 100644
index 0000000000..a4a554e764
--- /dev/null
+++ b/quantum/api/api_sysex.c
@@ -0,0 +1,29 @@
+#include "api_sysex.h"
+
+void send_bytes_sysex(uint8_t message_type, uint8_t data_type, uint8_t * bytes, uint16_t length) {
+    // SEND_STRING("\nTX: ");
+    // for (uint8_t i = 0; i < length; i++) {
+    //     send_byte(bytes[i]);
+    //     SEND_STRING(" ");
+    // }
+    uint8_t * precode = malloc(sizeof(uint8_t) * (length + 2));
+    precode[0] = message_type;
+    precode[1] = data_type;
+    memcpy(precode + 2, bytes, length);
+    uint8_t * encoded = malloc(sizeof(uint8_t) * (sysex_encoded_length(length + 2)));
+    uint16_t encoded_length = sysex_encode(encoded, precode, length + 2);
+    uint8_t * array = malloc(sizeof(uint8_t) * (encoded_length + 5));
+    array[0] = 0xF0;
+    array[1] = 0x00;
+    array[2] = 0x00;
+    array[3] = 0x00;
+    array[encoded_length + 4] = 0xF7;
+    memcpy(array + 4, encoded, encoded_length);
+    midi_send_array(&midi_device, encoded_length + 5, array);
+
+    // SEND_STRING("\nTD: ");
+    // for (uint8_t i = 0; i < encoded_length + 5; i++) {
+    //     send_byte(array[i]);
+    //     SEND_STRING(" ");
+    // }
+}
\ No newline at end of file
diff --git a/quantum/api/api_sysex.h b/quantum/api/api_sysex.h
new file mode 100644
index 0000000000..b947b60e54
--- /dev/null
+++ b/quantum/api/api_sysex.h
@@ -0,0 +1,10 @@
+#ifndef _API_SYSEX_H_
+#define _API_SYSEX_H_
+
+#include "api.h"
+
+void send_bytes_sysex(uint8_t message_type, uint8_t data_type, uint8_t * bytes, uint16_t length);
+
+#define SEND_BYTES(mt, dt, b, l) send_bytes_sysex(mt, dt, b, l)
+
+#endif
\ No newline at end of file
diff --git a/quantum/quantum.c b/quantum/quantum.c
index 8372a7adc5..f653564a67 100644
--- a/quantum/quantum.c
+++ b/quantum/quantum.c
@@ -847,12 +847,12 @@ void send_nibble(uint8_t number) {
     }
 }
 
-void send_unicode_midi(uint32_t unicode) {
-  #ifdef MIDI_ENABLE
+void api_send_unicode(uint32_t unicode) {
+#ifdef API_ENABLE
     uint8_t chunk[4];
     dword_to_bytes(unicode, chunk);
     MT_SEND_DATA(DT_UNICODE, chunk, 5);
-  #endif
+#endif
 }
 
 __attribute__ ((weak))
diff --git a/quantum/quantum.h b/quantum/quantum.h
index 316da15b9a..e6adf974ab 100644
--- a/quantum/quantum.h
+++ b/quantum/quantum.h
@@ -119,6 +119,6 @@ void send_nibble(uint8_t number);
 void led_set_user(uint8_t usb_led);
 void led_set_kb(uint8_t usb_led);
 
-void send_unicode_midi(uint32_t unicode);
+void api_send_unicode(uint32_t unicode);
 
 #endif