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/* SPDX-License-Identifier: GPL-2.0-or-later */
/* Based on https://github.com/qmk/qmk_firmware/pull/13036 */
#include "vialrgb.h"
#include <inttypes.h>
#include <string.h>
#include "rgb_matrix.h"
#include "vial.h"
typedef struct {
uint16_t vialrgb_id;
uint16_t qmk_id;
} vialrgb_supported_mode_t;
#include "vialrgb_effects.inc"
#define SUPPORTED_MODES_LENGTH (sizeof(supported_modes)/sizeof(*supported_modes))
#ifdef RGB_MATRIX_EFFECT_VIALRGB_DIRECT
HSV g_direct_mode_colors[RGB_MATRIX_LED_COUNT];
#endif
static void get_supported(uint8_t *args, uint8_t length) {
/* retrieve supported effects (VialRGB IDs) with ID > gt */
uint16_t gt;
memcpy(>, args, sizeof(gt));
memset(args, 0xFF, length);
for (size_t i = 0; i < SUPPORTED_MODES_LENGTH; ++i) {
uint16_t id = pgm_read_word(&supported_modes[i].vialrgb_id);
if (id > gt && length >= sizeof(id)) {
memcpy(args, &id, sizeof(id));
length -= sizeof(id);
args += sizeof(id);
}
}
}
static uint16_t qmk_id_to_vialrgb_id(uint16_t id) {
for (size_t i = 0; i < SUPPORTED_MODES_LENGTH; ++i) {
uint16_t qmk_id = pgm_read_word(&supported_modes[i].qmk_id);
uint16_t vialrgb_id = pgm_read_word(&supported_modes[i].vialrgb_id);
if (qmk_id == id)
return vialrgb_id;
}
return 0;
}
static uint16_t vialrgb_id_to_qmk_id(uint16_t id) {
for (size_t i = 0; i < SUPPORTED_MODES_LENGTH; ++i) {
uint16_t qmk_id = pgm_read_word(&supported_modes[i].qmk_id);
uint16_t vialrgb_id = pgm_read_word(&supported_modes[i].vialrgb_id);
if (vialrgb_id == id)
return qmk_id;
}
return 0;
}
static uint16_t get_mode(void) {
/* Get current mode as vialrgb ID */
if (!rgb_matrix_is_enabled())
return VIALRGB_EFFECT_OFF;
return qmk_id_to_vialrgb_id(rgb_matrix_get_mode());
}
static void set_mode(uint16_t mode) {
/* Set a mode as vialrgb ID */
if (mode == VIALRGB_EFFECT_OFF) {
rgb_matrix_disable_noeeprom();
} else {
rgb_matrix_enable_noeeprom();
rgb_matrix_mode_noeeprom(vialrgb_id_to_qmk_id(mode));
}
}
#ifdef RGB_MATRIX_EFFECT_VIALRGB_DIRECT
static void get_matrix_pos_for_led(uint16_t led, uint8_t *output) {
/* reset initially so if we cannot locate the led, it's considered not part of kb matrix */
output[0] = output[1] = 0xFF;
/* this is kinda O(n^2) but what can you do */
for (size_t row = 0; row < MATRIX_ROWS; ++row)
for (size_t col = 0; col < MATRIX_COLS; ++col)
if (g_led_config.matrix_co[row][col] == led) {
output[0] = row;
output[1] = col;
return;
}
}
static void fast_set_leds(uint8_t *args, size_t length) {
/* Set multiple leds HSV, first 2 bytes are index of the first led, then number of leds, followed by HSV for the leds */
/* we have 32-2-2-1=27 total bytes available, so can set up to 9 leds per packet */
if (length < 3) return;
uint16_t first_index = args[0] | (args[1] << 8);
uint8_t num_leds = args[2];
length -= 3;
args += 3;
if (num_leds * 3 > length) return;
for (size_t i = 0; i < num_leds; ++i) {
if (i + first_index >= RGB_MATRIX_LED_COUNT)
break;
g_direct_mode_colors[i + first_index].h = args[i * 3 + 0];
g_direct_mode_colors[i + first_index].s = args[i * 3 + 1];
uint8_t val = args[i * 3 + 2];
g_direct_mode_colors[i + first_index].v = (val > RGB_MATRIX_MAXIMUM_BRIGHTNESS) ? RGB_MATRIX_MAXIMUM_BRIGHTNESS : val;
}
}
#endif
void vialrgb_get_value(uint8_t *data, uint8_t length) {
if (length != VIAL_RAW_EPSIZE) return;
/* data[0] is used by VIA command id */
uint8_t cmd = data[1];
uint8_t *args = &data[2];
switch (cmd) {
case vialrgb_get_info:
args[0] = VIALRGB_PROTOCOL_VERSION & 0xFF;
args[1] = VIALRGB_PROTOCOL_VERSION >> 8;
args[2] = RGB_MATRIX_MAXIMUM_BRIGHTNESS;
break;
case vialrgb_get_mode: {
uint16_t vialrgb_id = get_mode();
args[0] = vialrgb_id & 0xFF;
args[1] = vialrgb_id >> 8;
args[2] = rgb_matrix_get_speed();
args[3] = rgb_matrix_get_hue();
args[4] = rgb_matrix_get_sat();
args[5] = rgb_matrix_get_val();
break;
}
case vialrgb_get_supported: {
get_supported(args, length - 2);
break;
}
#ifdef RGB_MATRIX_EFFECT_VIALRGB_DIRECT
case vialrgb_get_number_leds: {
args[0] = RGB_MATRIX_LED_COUNT & 0xFF;
args[1] = RGB_MATRIX_LED_COUNT >> 8;
break;
}
case vialrgb_get_led_info: {
uint16_t led = (args[0] & 0xFF) | (args[1] >> 8);
if (led >= RGB_MATRIX_LED_COUNT) return;
// x, y
args[0] = g_led_config.point[led].x;
args[1] = g_led_config.point[led].y;
// flags
args[2] = g_led_config.flags[led];
// position in keyboard matrix (if it's keyboard LED, otherwise 0xFF)
get_matrix_pos_for_led(led, &args[3]);
break;
}
#endif
}
}
void vialrgb_set_value(uint8_t *data, uint8_t length) {
if (length != VIAL_RAW_EPSIZE) return;
/* data[0] is used by VIA command id */
uint8_t cmd = data[1];
uint8_t *args = &data[2];
switch (cmd) {
case vialrgb_set_mode: {
uint16_t vialrgb_id = args[0] | (args[1] << 8);
set_mode(vialrgb_id);
rgb_matrix_set_speed_noeeprom(args[2]);
rgb_matrix_sethsv_noeeprom(args[3], args[4], args[5]);
break;
}
#ifdef RGB_MATRIX_EFFECT_VIALRGB_DIRECT
case vialrgb_direct_fastset: {
fast_set_leds(args, length);
break;
}
#endif
}
}
void vialrgb_save(uint8_t *data, uint8_t length) {
(void)data;
(void)length;
eeconfig_update_rgb_matrix();
}
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