QMK/keyboards/betalupi_ergodox/rawhid.c

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#include "rawhid.h"
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#include "extra_mappings.h"
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// See rawhid.h for prococol documentation
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void raw_hid_receive(uint8_t *data, uint8_t length) {
uint8_t cmd = data[0];
switch (cmd) {
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case CMD_HELLO:
ergodox_right_led_1_on();
_delay_ms(50);
ergodox_right_led_1_off();
hid_send_state();
break;
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#ifdef RGB_MATRIX_FRAMEBUFFER_EFFECTS
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case CMD_ANIM_DATA:
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cmd_animation(data, length);
break;
#endif
default:
break;
}
}
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void hid_send_state() {
uint8_t packet[RAW_EPSIZE] = {
CMD_SEND_STATE
};
if (rgb_matrix_get_flags() != LED_FLAG_ALL) {
// RGB matrix is disabled
packet[1] = 0x00;
} else {
uint8_t mode = rgb_matrix_get_mode();
switch (mode) {
case RGB_MATRIX_CUSTOM_FFT_ANIM:
// FFT Animation is active
packet[1] = 0x02;
break;
default:
// Normal animation is active
packet[1] = 0x01;
break;
}
}
// Note that all sent packets MUST be
// RAW_EPSIZE long.
raw_hid_send(packet, RAW_EPSIZE);
}
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#ifdef RGB_MATRIX_FRAMEBUFFER_EFFECTS
#define FFT_PER_KEY 50
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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) {
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// Data should be a pointer to 10 uint8_ts, each representing
// the height of a bar on the display.
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
);
*/
}
}
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} else {
// If not in fft mode and we receive fft data, send a state packet so host stops sending data.
hid_send_state();
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}
break;
}
}
#endif