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qmk_firmware/keyboards/system76/launch_beta_1/system76_ec.c
Jeremy Soller 00ea663a1a Refactor
2020-10-21 13:59:03 -06:00

88 lines
2.0 KiB
C

#include <string.h>
#include "dynamic_keymap.h"
#include "raw_hid.h"
#include "version.h"
enum Command {
// Probe for System76 EC protocol
CMD_PROBE = 1,
// Read board string
CMD_BOARD = 2,
// Read version string
CMD_VERSION = 3,
// Get keyboard map index
CMD_KEYMAP_GET = 9,
// Set keyboard map index
CMD_KEYMAP_SET = 10,
};
static bool keymap_get(uint8_t layer, uint8_t output, uint8_t input, uint16_t *value) {
if (layer < dynamic_keymap_get_layer_count()) {
if (output < MATRIX_ROWS) {
if (input < MATRIX_COLS) {
*value = dynamic_keymap_get_keycode(layer, output, input);
return true;
}
}
}
return false;
}
static bool keymap_set(uint8_t layer, uint8_t output, uint8_t input, uint16_t value) {
if (layer < dynamic_keymap_get_layer_count()) {
if (output < MATRIX_ROWS) {
if (input < MATRIX_COLS) {
dynamic_keymap_set_keycode(layer, output, input, value);
return true;
}
}
}
return false;
}
void raw_hid_receive(uint8_t *data, uint8_t length) {
// Error response by default, set to success by commands
data[1] = 1;
switch (data[0]) {
case CMD_PROBE:
// Signature
data[2] = 0x76;
data[3] = 0xEC;
// Version
data[4] = 0x01;
data[1] = 0;
break;
case CMD_BOARD:
strncpy((char *)&data[2], QMK_KEYBOARD, length - 2);
data[1] = 0;
break;
case CMD_VERSION:
strncpy((char *)&data[2], QMK_VERSION, length - 2);
data[1] = 0;
break;
case CMD_KEYMAP_GET:
{
uint16_t value = 0;
if (keymap_get(data[2], data[3], data[4], &value)) {
data[5] = (uint8_t)value;
data[6] = (uint8_t)(value >> 8);
data[1] = 0;
}
}
break;
case CMD_KEYMAP_SET:
{
uint16_t value =
((uint16_t)data[5]) |
(((uint16_t)data[6]) << 8);
if (keymap_set(data[2], data[3], data[4], value)) {
data[1] = 0;
}
}
}
raw_hid_send(data, length);
}