110 lines
2.5 KiB
C
110 lines
2.5 KiB
C
#ifdef RGB_MATRIX_DATAPOINTER_ENABLED
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#ifndef DISABLE_RGB_MATRIX_FFT_ANIM
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RGB_MATRIX_EFFECT(FFT_ANIM)
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#ifdef RGB_MATRIX_CUSTOM_EFFECT_IMPLS
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// Maps fft columns to leds.
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// col_to_array[i] returns an array of leds in the ith bin of the fft.
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// Negative indices are "invisible" leds.
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// Use them when your keyboard has gaps.
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//
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// This layout is for the Ergodox EZ.
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static int8_t col_to_array[10][5] = {
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{ 47, 43, 38, 33, 28 },
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{ 46, 42, 37, 32, 27 },
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{ 45, 41, 36, 31, 26 },
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{ 44, 40, 35, 30, 25 },
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{ -1, 39, 34, 29, 24 },
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{ -1, 15, 10, 5, 0 },
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{ 20, 16, 11, 6, 1 },
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{ 21, 17, 12, 7, 2 },
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{ 22, 18, 13, 8, 3 },
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{ 23, 19, 14, 9, 4 }
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};
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// TODO:
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// Dynamic color settings
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bool FFT_ANIM(effect_params_t* params) {
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RGB_MATRIX_USE_LIMITS(led_min, led_max);
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// REQUIRED for any animation that uses this pointer.
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// Clears any previous data.
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if (params->init) {
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rgb_matrix_anim_data = NULL;
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return led_max < DRIVER_LED_TOTAL;
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};
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if (rgb_matrix_anim_data == NULL) {
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// If animation data is empty, turn off all leds and exit.
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for (uint8_t i = led_min; i < led_max; i++) {
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rgb_matrix_set_color(
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i,
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0x00, 0x00, 0x00
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);
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}
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} else {
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// Data should be a pointer to 10 uint8_ts, each representing
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// the height of a bar on the display.
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uint8_t* data = (uint8_t*) rgb_matrix_anim_data;
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for (uint8_t bin = 0; bin < 10; bin++) {
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// Scale data values
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uint8_t d = data[bin];
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uint8_t bin_height = d / 50;
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// Brightness of topmost key
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uint8_t last_brightness = ((d % 50)/50.0) * 0xFF;
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// Turn off leds that should be off.
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// There are 5 keys in each column.
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for (uint8_t i = bin_height; i < 6; i++) {
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// Ignore negative indices.
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// See col_to_array definition.
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if (col_to_array[bin][i] < 0) {
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continue;
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}
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rgb_matrix_set_color(
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col_to_array[bin][i],
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0x00, 0x00, 0x00
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);
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}
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// Turn on leds that should be on.
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for (uint8_t i = 0; i < bin_height; i++) {
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// Ignore negative indices.
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// See col_to_array definition.
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if (col_to_array[bin][i] < 0) {
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continue;
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}
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// If this is the topmost lit key, its
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// brightness depends on the height of the bar.
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if (i == bin_height - 1) {
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rgb_matrix_set_color(
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col_to_array[bin][i],
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last_brightness, 0x00, last_brightness
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);
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// If this isn't the topmost key,
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// it has a plain full-brightness color.
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} else {
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rgb_matrix_set_color(
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col_to_array[bin][i],
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0x00, 0x00, 0xFF
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);
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}
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}
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}
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}
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return led_max < DRIVER_LED_TOTAL;
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}
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#endif
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#endif
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#endif |