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FFT now uses framebuffer

master
Mark 2022-07-09 20:34:43 -07:00
parent 4ad4992000
commit 9c7159dc36
Signed by: Mark
GPG Key ID: AD62BB059C2AAEE4
4 changed files with 135 additions and 97 deletions
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133
keyboards/betalupi_ergodox/animations/fft.h
View File

@ -1,15 +1,35 @@
#ifdef RGB_MATRIX_DATAPOINTER_ENABLED
#ifdef RGB_MATRIX_FRAMEBUFFER_EFFECTS
#ifndef DISABLE_RGB_MATRIX_FFT_ANIM
RGB_MATRIX_EFFECT(FFT_ANIM)
#ifdef RGB_MATRIX_CUSTOM_EFFECT_IMPLS
// Maps fft columns to leds.
// fft_col_to_array[i] returns an array of leds in the ith bin of the fft.
// Negative indices are "invisible" leds.
// Use them when your keyboard has gaps.
//
// This layout is for the Ergodox EZ.
static int8_t fft_array_to_col[4][14] = {
// Each number represets a bin and a height:
// x % bin_height = height,
// x / bin_height = bin
//
// Indices are [col][row].
// Right side
{ 29, 34, 39, 44, 49,
28, 33, 38, 43, 48,
27, 32, 37, 42},{47,
26, 31, 36, 41, 46,
30, 35, 40, 45,
// Left side, mirrored
24, 19, 14, 9},{ 4,
23, 18, 13, 8, 3,
22, 17, 12, 7, 2,
21, 16, 11},{ 6, 1,
20, 15, 10, 5, 0,
// No keys here, fill array length
0, 0, 0, 0, 0, 0, 0}
};
static int8_t fft_col_to_array[10][5] = {
{ 47, 43, 38, 33, 28 },
{ 46, 42, 37, 32, 27 },
@ -23,86 +43,51 @@ static int8_t fft_col_to_array[10][5] = {
{ 23, 19, 14, 9, 4 }
};
// TODO:
// Dynamic color settings
bool FFT_ANIM(effect_params_t* params) {
RGB_MATRIX_USE_LIMITS(led_min, led_max);
uint8_t led_min = RGB_MATRIX_LED_PROCESS_LIMIT * params->iter;
uint8_t led_max = led_min + RGB_MATRIX_LED_PROCESS_LIMIT;
if (led_max > sizeof(g_rgb_frame_buffer)) led_max = sizeof(g_rgb_frame_buffer);
// REQUIRED for any animation that uses this pointer.
// Clears any previous data.
if (params->init) {
rgb_matrix_anim_data = NULL;
return led_max < DRIVER_LED_TOTAL;
};
if (rgb_matrix_anim_data == NULL) {
// If animation data is empty, turn off all leds and exit.
for (uint8_t i = led_min; i < led_max; i++) {
rgb_matrix_set_color(
i,
0x00, 0x00, 0x00
);
rgb_matrix_set_color_all(0, 0, 0);
memset(g_rgb_frame_buffer, 0, sizeof g_rgb_frame_buffer);
}
// Render heatmap & decrease
for (int i = led_min; i < led_max; i++) {
uint8_t row = i % MATRIX_ROWS;
uint8_t col = i / MATRIX_ROWS;
uint8_t val = g_rgb_frame_buffer[row][col];
bool is_topmost = false;
int8_t height = fft_array_to_col[col][row] % 5;
int8_t bin = fft_array_to_col[col][row] / 5;
if (height == 5 - 1) {
is_topmost = true;
} else {
// Data should be a pointer to 10 uint8_ts, each representing
// the height of a bar on the display.
uint8_t* data = (uint8_t*) rgb_matrix_anim_data;
for (uint8_t bin = 0; bin < 10; bin++) {
// Scale data values
uint8_t d = data[bin];
uint8_t bin_height = d / 50;
// Brightness of topmost key
uint8_t last_brightness = ((d % 50)/50.0) * 0xFF;
// Turn off leds that should be off.
// There are 5 keys in each column.
for (uint8_t i = bin_height; i < 6; i++) {
// Ignore negative indices.
// See fft_col_to_array definition.
if (fft_col_to_array[bin][i] < 0) {
continue;
// Row and col of key above this one
if (
g_rgb_frame_buffer[
fft_col_to_array[bin][height + 1] % MATRIX_ROWS
][
fft_col_to_array[bin][height + 1] / MATRIX_ROWS
] == 0
) {
is_topmost = true;
}
}
rgb_matrix_set_color(
fft_col_to_array[bin][i],
0x00, 0x00, 0x00
);
}
// Turn on leds that should be on.
for (uint8_t i = 0; i < bin_height; i++) {
// Ignore negative indices.
// See fft_col_to_array definition.
if (fft_col_to_array[bin][i] < 0) {
continue;
}
// If this is the topmost lit key, its
// brightness depends on the height of the bar.
if (i == bin_height - 1) {
rgb_matrix_set_color(
fft_col_to_array[bin][i],
last_brightness, 0x00, last_brightness
);
// If this isn't the topmost key,
// it has a plain full-brightness color.
if (is_topmost) {
rgb_matrix_set_color(i, val, 0x00, val);
} else {
rgb_matrix_set_color(
fft_col_to_array[bin][i],
0x00, 0x00, 0xFF
);
}
}
rgb_matrix_set_color(i, 0x00, 0x00, val);
}
}
return led_max < DRIVER_LED_TOTAL;
return led_max < sizeof(g_rgb_frame_buffer);
}
#endif

11
keyboards/betalupi_ergodox/keymaps/default/config.h
View File

@ -11,9 +11,15 @@
//#define RGBLIGHT_EFFECT_STATIC_GRADIENT
//#define RGBLIGHT_EFFECT_TWINKLE
// Special effects
#define RGB_MATRIX_FRAMEBUFFER_EFFECTS
//#define RGB_MATRIX_KEYPRESSES
// Custom effects
#define RGB_MATRIX_DATAPOINTER_ENABLED
//#def DISABLE_RGB_MATRIX_FFT_ANIM // FFT Display (Requires framebuffer)
// Normal matrix effects
@ -49,14 +55,13 @@
#define DISABLE_RGB_MATRIX_PIXEL_RAIN // Randomly light keys with random hues
// Framebuffer matrix effects
//#define RGB_MATRIX_FRAMEBUFFER_EFFECTS
#ifdef RGB_MATRIX_FRAMEBUFFER_EFFECTS
#define DISABLE_RGB_MATRIX_TYPING_HEATMAP
#define DISABLE_RGB_MATRIX_DIGITAL_RAIN
#endif
// Keypress matrix effects
//#define RGB_MATRIX_KEYPRESSES
#ifdef RGB_MATRIX_KEYPRESSES
#define DISABLE_RGB_MATRIX_SOLID_REACTIVE_SIMPLE // Pulses keys hit to hue & value then fades value out
#define DISABLE_RGB_MATRIX_SOLID_REACTIVE // Static single hue, pulses keys hit to shifted hue then fades to current hue

70
keyboards/betalupi_ergodox/rawhid.c
View File

@ -15,7 +15,7 @@ void raw_hid_receive(uint8_t *data, uint8_t length) {
hid_send_state();
break;
#ifdef RGB_MATRIX_DATAPOINTER_ENABLED
#ifdef RGB_MATRIX_FRAMEBUFFER_EFFECTS
case CMD_ANIM_DATA:
cmd_animation(data, length);
break;
@ -58,23 +58,75 @@ void hid_send_state() {
raw_hid_send(packet, RAW_EPSIZE);
}
#ifdef RGB_MATRIX_FRAMEBUFFER_EFFECTS
// Maps fft columns to leds.
// fft_col_to_array[i] returns an array of leds in the ith bin of the fft.
// Negative indices are "invisible" leds.
// Use them when your keyboard has gaps.
//
// This layout is for the Ergodox EZ.
static int8_t fft_col_to_array[10][5] = {
{ 47, 43, 38, 33, 28 },
{ 46, 42, 37, 32, 27 },
{ 45, 41, 36, 31, 26 },
{ 44, 40, 35, 30, 25 },
{ -1, 39, 34, 29, 24 },
{ -1, 15, 10, 5, 0 },
{ 20, 16, 11, 6, 1 },
{ 21, 17, 12, 7, 2 },
{ 22, 18, 13, 8, 3 },
{ 23, 19, 14, 9, 4 }
};
#ifdef RGB_MATRIX_DATAPOINTER_ENABLED
#define FFT_PER_KEY 50
void cmd_animation(uint8_t *data, uint8_t length) {
switch (data[1]) {
case CMD_ANIM_DATA_fft:
// Only read data if animation is in fft mode
if (rgb_matrix_get_mode() == RGB_MATRIX_CUSTOM_FFT_ANIM) {
// rgb_matrix_anim_data is set to NULL at animation init.
if (rgb_matrix_anim_data == NULL) { rgb_matrix_anim_data = hid_anim_data; }
// Data should be a pointer to 10 uint8_ts, each representing
// the height of a bar on the display.
// Copy data into rgb matrix array
memcpy(
hid_anim_data,
data + 2,
sizeof(uint8_t) + 10
for (uint8_t bin = 0; bin < 10; bin++) {
// Scale data values
uint8_t d = data[bin + 2];
for (uint8_t i = 0; i < 5; i++) {
// Ignore negative indices.
// See fft_col_to_array definition.
if (fft_col_to_array[bin][i] < 0) {
if (d >= FFT_PER_KEY) {
d -= FFT_PER_KEY;
} else {
d = 0;
}
continue;
}
uint8_t row = fft_col_to_array[bin][i] % MATRIX_ROWS;
uint8_t col = fft_col_to_array[bin][i] / MATRIX_ROWS;
if (d >= FFT_PER_KEY) {
g_rgb_frame_buffer[row][col] = 0xFF;
d -= FFT_PER_KEY;
} else if (d > 0) {
g_rgb_frame_buffer[row][col] = ((double) d / FFT_PER_KEY) * 0xFF;
d = 0;
} else {
g_rgb_frame_buffer[row][col] = 0;
}
/*
rgb_matrix_set_color(
fft_col_to_array[bin][i],
last_brightness, 0x00, last_brightness
);
*/
}
}
} else {
// If not in fft mode and we receive fft data, send a state packet so host stops sending data.
hid_send_state();

12
keyboards/betalupi_ergodox/rawhid.h
View File

@ -6,20 +6,16 @@
void raw_hid_receive(uint8_t *data, uint8_t length);
void hid_send_state(void);
#ifdef RGB_MATRIX_DATAPOINTER_ENABLED
void cmd_animation(uint8_t *data, uint8_t length);
// Animation data.
// Data received from host is saved here,
// and rgb_matrix_anim_data points to this array when necessary.
extern uint8_t hid_anim_data[32];
void cmd_animation(uint8_t *data, uint8_t length);
// Datapointer
extern void* rgb_matrix_anim_data;
#ifdef RGB_MATRIX_FRAMEBUFFER_EFFECTS
extern uint8_t g_rgb_frame_buffer[MATRIX_ROWS][MATRIX_COLS];
#endif
// Sent by host when connection is initiated.
//
// Packet structure: