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52f671c23e
qmk-keychron-q3-colemak-dh/keyboards/infinity60/led_controller.c
jpetermans 52f671c23e small code cleanup
2017-05-08 11:57:40 -07:00

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/*
Copyright 2016 flabbergast <s3+flabbergast@sdfeu.org>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/*
* LED controller code
* WF uses IS31FL3731C matrix LED driver from ISSI
* datasheet: http://www.issi.com/WW/pdf/31FL3731C.pdf
*/
#include "ch.h"
#include "hal.h"
#include "print.h"
#include "led.h"
#include "action_layer.h"
#include "host.h"
#include "led_controller.h"
#include "suspend.h"
#include "usb_main.h"
/* Infinity60 LED MAP
- digits mean "row" and "col", i.e. 45 means C4-5 in the IS31 datasheet, matrix A
11 12 13 14 15 16 17 18 21 22 23 24 25 26 27*
28 31 32 33 34 35 36 37 38 41 42 43 44 45
46 47 48 51 52 53 54 55 56 57 58 61 62
63 64 65 66 67 68 71 72 73 74 75 76 77*
78 81 82 83 84 85 86 87
*Unused in Alphabet Layout
*/
/*
each page has 0xB4 bytes
0 - 0x11: LED control (on/off):
order: CA1, CB1, CA2, CB2, .... (CA - matrix A, CB - matrix B)
CAn controls Cn-8 .. Cn-1 (LSbit)
0x12 - 0x23: blink control (like "LED control")
0x24 - 0xB3: PWM control: byte per LED, 0xFF max on
order same as above (CA 1st row (8bytes), CB 1st row (8bytes), ...)
*/
/* Which LED should be used for CAPS LOCK indicator
* The usual Caps Lock position is C4-6, so the address is
* 0x24 + (4-1)*0x10 + (8-1) = 0x59 */
#if !defined(CAPS_LOCK_LED_ADDRESS)
#define CAPS_LOCK_LED_ADDRESS 46
#endif
#if !defined(NUM_LOCK_LED_ADDRESS)
#define NUM_LOCK_LED_ADDRESS 85
#endif
/* Which LED should breathe during sleep */
#if !defined(BREATHE_LED_ADDRESS)
#define BREATHE_LED_ADDRESS CAPS_LOCK_LED_ADDRESS
#endif
/* =================
* ChibiOS I2C setup
* ================= */
static const I2CConfig i2ccfg = {
400000 // clock speed (Hz); 400kHz max for IS31
};
/* ==============
* variables
* ============== */
// internal communication buffers
uint8_t tx[2] __attribute__((aligned(2)));
uint8_t rx[1] __attribute__((aligned(2)));
// buffer for sending the whole page at once (used also as a temp buffer)
uint8_t full_page[0xB4+1] = {0};
// LED mask (which LEDs are present, selected by bits)
// See page comment above, control alternates CA matrix/CB matrix
// IC60 pcb uses only CA matrix.
// Each byte is a control pin for 8 leds ordered 8-1
const uint8_t all_on_leds_mask[0x12] = {
0xFF, 0x00, 0xFF, 0x00, 0xFF, 0x00, 0xFF, 0x00, 0xFF,
0x00, 0xFF, 0x00, 0xFF, 0x00, 0x7F, 0x00, 0x00, 0x00
};
// array to hold brightness pwm steps
const uint8_t pwm_levels[5] = {
0x00, 0x16, 0x4E, 0xA1, 0xFF
};
// array to write to pwm register
uint8_t pwm_register_array[9] = {0};
/* ============================
* communication functions
* ============================ */
msg_t is31_select_page(uint8_t page) {
tx[0] = IS31_COMMANDREGISTER;
tx[1] = page;
return i2cMasterTransmitTimeout(&I2CD1, IS31_ADDR_DEFAULT, tx, 2, NULL, 0, US2ST(IS31_TIMEOUT));
}
msg_t is31_write_data(uint8_t page, uint8_t *buffer, uint8_t size) {
is31_select_page(page);
return i2cMasterTransmitTimeout(&I2CD1, IS31_ADDR_DEFAULT, buffer, size, NULL, 0, US2ST(IS31_TIMEOUT));
}
msg_t is31_write_register(uint8_t page, uint8_t reg, uint8_t data) {
is31_select_page(page);
tx[0] = reg;
tx[1] = data;
return i2cMasterTransmitTimeout(&I2CD1, IS31_ADDR_DEFAULT, tx, 2, NULL, 0, US2ST(IS31_TIMEOUT));
}
msg_t is31_read_register(uint8_t page, uint8_t reg, uint8_t *result) {
is31_select_page(page);
tx[0] = reg;
return i2cMasterTransmitTimeout(&I2CD1, IS31_ADDR_DEFAULT, tx, 1, result, 1, US2ST(IS31_TIMEOUT));
}
/* ========================
* initialise the IS31 chip
* ======================== */
void is31_init(void) {
// just to be sure that it's all zeroes
__builtin_memset(full_page,0,0xB4+1);
// zero function page, all registers (assuming full_page is all zeroes)
is31_write_data(IS31_FUNCTIONREG, full_page, 0xD + 1);
palSetPadMode(GPIOB, 16, PAL_MODE_OUTPUT_PUSHPULL);
palSetPad(GPIOB, 16);
chThdSleepMilliseconds(10);
// software shutdown
is31_write_register(IS31_FUNCTIONREG, IS31_REG_SHUTDOWN, 0);
chThdSleepMilliseconds(10);
// software shutdown disable (i.e. turn stuff on)
is31_write_register(IS31_FUNCTIONREG, IS31_REG_SHUTDOWN, IS31_REG_SHUTDOWN_ON);
chThdSleepMilliseconds(10);
// zero all LED registers on all 8 pages
uint8_t i;
for(i=0; i<8; i++) {
is31_write_data(i, full_page, 0xB4 + 1);
chThdSleepMilliseconds(1);
}
}
/* ==================
* LED control thread
* ================== */
#define LED_MAILBOX_NUM_MSGS 5
static msg_t led_mailbox_queue[LED_MAILBOX_NUM_MSGS];
mailbox_t led_mailbox;
static THD_WORKING_AREA(waLEDthread, 256);
static THD_FUNCTION(LEDthread, arg) {
(void)arg;
chRegSetThreadName("LEDthread");
uint8_t i;
uint8_t control_register_word[2] = {0};//2 bytes: register address, byte to write
uint8_t led_control_reg[0x13] = {0};//led control register start address + 0x12 bytes
//persistent status variables
uint8_t pwm_step_status, page_status;
//mailbox variables
uint8_t temp, msg_type, msg_pin, msg_col, msg_led;
msg_t msg;
/* //control register variables
uint8_t page, save_page, save_breath1, save_breath2;
msg_t msg, retval;
*/
// initialize persistent variables
pwm_step_status = 4; //full brightness
page_status = 0; //start frame 0 (all off/on)
while(true) {
// wait for a message (asynchronous)
// (messages are queued (up to LED_MAILBOX_NUM_MSGS) if they can't
// be processed right away)
chMBFetch(&led_mailbox, &msg, TIME_INFINITE);
msg_col = (msg >> 24) & 0xFF;//if needed
msg_pin = (msg >> 16) & 0XFF;//if needed (SET_FULL_ROW)
msg_type = (msg >> 8) & 0xFF; //second byte is msg type
msg_led = (msg) & 0xFF; //first byte is action information
xprintf("--------------------\n");
xprintf("mailbox fetch\nmsg: %X\n", msg);
chThdSleepMilliseconds(20);
xprintf("type: %X - pin: %X\n", msg_type, msg_pin);
chThdSleepMilliseconds(20);
xprintf("col: %X - led: %X\n", msg_col, msg_led);
chThdSleepMilliseconds(10);
switch (msg_type){
case KEY_LIGHT:
//TODO: lighting key led on keypress
break;
case SET_FULL_ROW:
//write full byte to pin address, msg_pin = pin #, msg_led = byte to write
//writes only to current page
xprintf("SET_FULL_ROW\n");
write_led_byte(page_status,msg_pin,msg_led);
break;
case OFF_LED:
//on/off/toggle single led, msg_led = row/col of led
xprintf("OFF_LED: %d\n", msg_led);
chThdSleepMilliseconds(10);
set_led_bit(7, control_register_word, msg_led, 0);
is31_write_data (7, control_register_word, 0x02);
break;
case ON_LED:
xprintf("ON_LED: %d\n", msg_led);
chThdSleepMilliseconds(10);
set_led_bit(7, control_register_word, msg_led, 1);
is31_write_data (7, control_register_word, 0x02);
break;
case TOGGLE_LED:
xprintf("TOGGLE_LED: %d\n", msg_led);
chThdSleepMilliseconds(10);
set_led_bit(7, control_register_word, msg_led, 2);
is31_write_data (7, control_register_word, 0x02);
break;
case BLINK_OFF_LED:
//on/off/toggle single led, msg_led = row/col of led
xprintf("BLINK_ON: %d\n", msg_led);
chThdSleepMilliseconds(10);
set_led_bit(7, control_register_word, msg_led, 4);
is31_write_data (7, control_register_word, 0x02);
break;
case BLINK_ON_LED:
xprintf("BLINK_OFF: %d\n", msg_led);
chThdSleepMilliseconds(10);
set_led_bit(7, control_register_word, msg_led, 5);
is31_write_data (7, control_register_word, 0x02);
break;
case BLINK_TOGGLE_LED:
xprintf("BLINK_TOGGLE: %d\n", msg_led);
chThdSleepMilliseconds(10);
set_led_bit(7, control_register_word, msg_led, 6);
is31_write_data (7, control_register_word, 0x02);
break;
case TOGGLE_ALL:
xprintf("TOGGLE_ALL: %d\n", msg_led);
chThdSleepMilliseconds(10);
//msg_led = unused
is31_read_register(0, 0x00, &temp);//if first byte is on, then toggle frame 0 off
led_control_reg[0] = 0;
if (temp==0 || page_status > 0) {
__builtin_memcpy(led_control_reg+1, all_on_leds_mask, 0x12);
} else {
__builtin_memset(led_control_reg+1, 0, 0x12);
}
is31_write_data(0, led_control_reg, 0x13);
if (page_status > 0) {
is31_write_register(IS31_FUNCTIONREG, IS31_REG_PICTDISP, 0);
page_status=0;
//maintain lock leds
led_set(host_keyboard_leds());
}
break;
case TOGGLE_BACKLIGHT:
//msg_led = on/off
xprintf("TOGGLE_BACKLIGHT\n");
chThdSleepMilliseconds(10);
//populate the 9 byte rows to be written to each pin, first byte is register (pin) address
if (msg_led == 1) {
__builtin_memset(pwm_register_array+1, pwm_levels[pwm_step_status], 8);
} else {
__builtin_memset(pwm_register_array+1, 0, 8);
}
for(i=0; i<8; i++) {
//first byte is register address, every 0x10 9 bytes is A-register pwm pins
pwm_register_array[0] = 0x24 + (i * 0x10);
is31_write_data(0,pwm_register_array,9);
}
break;
case DISPLAY_PAGE://show single layer indicator or full map of layer
//msg_led = page to toggle on
xprintf("DISPLAY_PAGE\n");
chThdSleepMilliseconds(10);
if (page_status != msg_led) {
xprintf(" - new page\n");
chThdSleepMilliseconds(10);
is31_write_register(IS31_FUNCTIONREG, IS31_REG_PICTDISP, msg_led);
page_status = msg_led;
//maintain lock leds
led_set(host_keyboard_leds());
}
break;
case RESET_PAGE:
//led_msg = page to reset
xprintf("RESET_PAGE\n");
chThdSleepMilliseconds(10);
led_control_reg[0] = 0;
__builtin_memset(led_control_reg+1, 0, 0x12);
is31_write_data(msg_led, led_control_reg, 0x13);
break;
case TOGGLE_NUM_LOCK:
//msg_led = 0 or 1, off/on
xprintf("NUMLOCK: %d\n", msg_led);
chThdSleepMilliseconds(10);
set_lock_leds(NUM_LOCK_LED_ADDRESS, msg_led, page_status);
break;
case TOGGLE_CAPS_LOCK:
xprintf("CAPSLOCK: %d\n", msg_led);
chThdSleepMilliseconds(10);
//msg_led = 0 or 1, off/on
set_lock_leds(CAPS_LOCK_LED_ADDRESS, msg_led, page_status);
break;
//TODO: MODE_BREATH
case STEP_BRIGHTNESS:
xprintf("STEP_BACKLIGHT\n");
chThdSleepMilliseconds(10);
//led_msg = step pwm up or down
switch (msg_led) {
case 0:
if (pwm_step_status == 0) {
pwm_step_status = 4;
} else {
pwm_step_status--;
}
break;
case 1:
if (pwm_step_status == 4) {
pwm_step_status = 0;
} else {
pwm_step_status++;
}
break;
}
//populate 8 byte rows to write on each pin
//first byte is register address, every 0x10 9 bytes are A-register pwm pins
__builtin_memset(pwm_register_array+1, pwm_levels[pwm_step_status], 8);
for(i=0; i<8; i++) {
pwm_register_array[0] = 0x24 + (i * 0x10);
is31_write_data(0,pwm_register_array,9);
}
break;
/* case LED_MSG_SLEEP_LED_ON:
// save current settings
is31_read_register(IS31_FUNCTIONREG, IS31_REG_PICTDISP, &save_page);
is31_read_register(IS31_FUNCTIONREG, IS31_REG_BREATHCTRL1, &save_breath1);
is31_read_register(IS31_FUNCTIONREG, IS31_REG_BREATHCTRL2, &save_breath2);
// use pages 7 and 8 for (hardware) breathing (assuming they're empty)
is31_write_register(6, BREATHE_LED_ADDRESS, 0xFF);
is31_write_register(7, BREATHE_LED_ADDRESS, 0x00);
is31_write_register(IS31_FUNCTIONREG, IS31_REG_BREATHCTRL1, (6<<4)|6);
is31_write_register(IS31_FUNCTIONREG, IS31_REG_BREATHCTRL2, IS31_REG_BREATHCTRL2_ENABLE|3);
retval = MSG_TIMEOUT;
temp = 6;
while(retval == MSG_TIMEOUT) {
// switch to the other page
is31_write_register(IS31_FUNCTIONREG, IS31_REG_PICTDISP, temp);
temp = (temp == 6 ? 7 : 6);
// the times should be sufficiently long for IS31 to finish switching pages
retval = chMBFetch(&led_mailbox, &msg, MS2ST(temp == 6 ? 4000 : 6000));
}
// received a message (should be a wakeup), so restore previous state
chThdSleepMilliseconds(3000); // need to wait until the page change finishes
// note: any other messages are queued
is31_write_register(IS31_FUNCTIONREG, IS31_REG_BREATHCTRL1, save_breath1);
is31_write_register(IS31_FUNCTIONREG, IS31_REG_BREATHCTRL2, save_breath2);
is31_write_register(IS31_FUNCTIONREG, IS31_REG_PICTDISP, save_page);
break;
case LED_MSG_SLEEP_LED_OFF:
// should not get here; wakeup should be received in the branch above break;
break;
*/
xprintf("--------------------\n");
chThdSleepMilliseconds(10);
}
}
}
/* ==============================
* debug function
* ============================== */
void print_debug(uint8_t page) {
uint8_t j, debug_temp;
//debugging code - print full led/blink/pwm registers on each frame
xprintf("----layer state----: %X\n", layer_state);
xprintf("page: %d\n", page);
chThdSleepMilliseconds(10);
for(j=0;j<0x24;j++){
if(j > 0 && j % 9 == 0){
xprintf("\n");
}
switch (j) {
case 0:
xprintf("\n--on-off--\n");
chThdSleepMilliseconds(10);
break;
case 0x12:
xprintf("\n--blink--\n");
chThdSleepMilliseconds(10);
break;
}
is31_read_register(page,j,&debug_temp);
xprintf("%02X, ", debug_temp);
chThdSleepMilliseconds(10);
}
xprintf("\n--pwm--\n");
chThdSleepMilliseconds(10);
for(j=0x24;j<0xB4;j++) {
is31_read_register(page,j,&debug_temp);
xprintf("%02X, ", debug_temp);
chThdSleepMilliseconds(10);
if(j > 0x24 && (j-3) % 8 == 0){
xprintf("\n");
}
}
xprintf("\n");
//Function Register
xprintf("\n--FUNCTION--\n");
chThdSleepMilliseconds(10);
for(j=0;j<0x0D;j++) {
is31_read_register(0x0B,j,&debug_temp);
switch(j) {
case 0:
xprintf("Config %02X", debug_temp);
chThdSleepMilliseconds(2);
break;
case 1:
xprintf(" - Pict %02X\n", debug_temp);
chThdSleepMilliseconds(2);
break;
case 2:
xprintf("Auto1 %02X", debug_temp);
chThdSleepMilliseconds(2);
break;
case 3:
xprintf(" - Auto2 %02X\n", debug_temp);
chThdSleepMilliseconds(2);
break;
case 5:
xprintf("Disp %02X", debug_temp);
chThdSleepMilliseconds(2);
break;
case 6:
xprintf(" - Audio %02X\n", debug_temp);
chThdSleepMilliseconds(2);
break;
case 7:
xprintf("Frame %02X", debug_temp);
chThdSleepMilliseconds(2);
break;
case 8:
xprintf(" - Breath1 %02X\n", debug_temp);
chThdSleepMilliseconds(2);
break;
case 9:
xprintf("Breath2 %02X - ", debug_temp);
chThdSleepMilliseconds(2);
break;
case 10:
xprintf(" - Shut %02X\n", debug_temp);
chThdSleepMilliseconds(2);
break;
case 11:
xprintf("AGC %02X", debug_temp);
chThdSleepMilliseconds(2);
break;
case 12:
xprintf(" - ADC %02X\n", debug_temp);
chThdSleepMilliseconds(2);
break;
}
}
}
/* ==============================
* led processing functions
* ============================== */
void set_led_bit (uint8_t page, uint8_t *led_control_reg, uint8_t led_addr, uint8_t action) {
//returns 2 bytes led control register address and byte to write
//0 - bit off, 1 - bit on, 2 - toggle bit
uint8_t control_reg_addr, column_bit, column_byte, bit_temp, blink_on;
//check for valid led address
if (led_addr < 0 || led_addr > 87 || led_addr % 10 > 8) {
xprintf("Invalid address: %d\n", led_addr);
return;
}
xprintf("set_led_bit: %d\n", led_addr);
xprintf("action: %d\n", action);
chThdSleepMilliseconds(10);
//check blink bit
blink_on = action>>2;
action &= ~(1<<2); //strip blink bit
//first byte is led control register address 0x00
//msg_led tens column is pin#, ones column is bit position in 8-bit mask
control_reg_addr = ((led_addr / 10) % 10 - 1 ) * 0x02;// A-register is every other byte
xprintf("pre-reg_addr: %2X\n", control_reg_addr);
chThdSleepMilliseconds(10);
control_reg_addr += blink_on == 1 ? 0x12 : 0x00;//shift 12 bytes to blink register
xprintf("blink-reg_addr: %2X\n", control_reg_addr);
chThdSleepMilliseconds(10);
xprintf("page: %2X\n", page);
chThdSleepMilliseconds(10);
is31_read_register(page, 0x06, &bit_temp);//maintain status of leds on this byte
xprintf("reg 06: %2X\n", bit_temp);
is31_read_register(page, 0x17, &bit_temp);//maintain status of leds on this byte
xprintf("reg 17: %2X\n", bit_temp);
is31_read_register(page, 0x18, &bit_temp);//maintain status of leds on this byte
xprintf("reg 18: %2X\n", bit_temp);
is31_read_register(page, 0x19, &bit_temp);//maintain status of leds on this byte
xprintf("reg 19: %2X\n", bit_temp);
is31_read_register(page, control_reg_addr, &bit_temp);//maintain status of leds on this byte
column_bit = 1<<(led_addr % 10 - 1);
column_byte = bit_temp;
xprintf("column_byte read: %2X\n", column_byte);
chThdSleepMilliseconds(10);
switch(action) {
case 0:
column_byte &= ~column_bit;
break;
case 1:
column_byte |= column_bit;
break;
case 2:
column_byte ^= column_bit;
break;
}
xprintf("column_byte write: %2X\n", column_byte);
chThdSleepMilliseconds(10);
//return word to be written in register
led_control_reg[0] = control_reg_addr;
led_control_reg[1] = column_byte;
}
void write_led_byte (uint8_t page, uint8_t row, uint8_t led_byte) {
uint8_t led_control_word[2] = {0};//register address and on/off byte
led_control_word[0] = (row - 1 ) * 0x02;// A-register is every other byte
led_control_word[1] = led_byte;
is31_write_data(page, led_control_word, 0x02);
}
void write_led_page (uint8_t page, uint8_t *user_led_array, uint8_t led_count) {
uint8_t i;
uint8_t pin, col;
uint8_t led_control_register[0x13] = {0};//control register start address + 0x12 bytes
__builtin_memset(led_control_register,0,13);
for(i=0;i<led_count;i++){
// 1 byte shift for led register 0x00 address
pin = ((user_led_array[i] / 10) % 10 - 1 ) * 2 + 1;
col = user_led_array[i] % 10 - 1;
led_control_register[pin] |= 1<<(col);
}
is31_write_data(page, led_control_register, 0x13);
}
void set_lock_leds(uint8_t led_addr, uint8_t led_action, uint8_t page) {
uint8_t lock_temp;
uint8_t led_control_word[2] = {0};
xprintf("---set lock---\n");
chThdSleepMilliseconds(10);
//blink if all leds are on
if (page == 0) {
is31_read_register(0, 0x00, &lock_temp);
xprintf("AllOnReg: %2X\n", lock_temp);
chThdSleepMilliseconds(10);
if (lock_temp == 0xFF) {
xprintf("AllOntrue\n");
chThdSleepMilliseconds(10);
led_action |= (1<<2); //set blink bit
} else {
xprintf("AllOnfalse\n");
chThdSleepMilliseconds(10);
}
}
set_led_bit(page,led_control_word,led_addr,led_action);
xprintf("led_word: %2X", led_control_word[0]);
xprintf("%X\n", led_control_word[1]);
chThdSleepMilliseconds(10);
is31_write_data(page, led_control_word, 0x02);
}
/* =====================
* hook into user keymap
* ===================== */
void led_controller_init(void) {
uint8_t i;
/* initialise I2C */
/* I2C pins */
palSetPadMode(GPIOB, 0, PAL_MODE_ALTERNATIVE_2); // PTB0/I2C0/SCL
palSetPadMode(GPIOB, 1, PAL_MODE_ALTERNATIVE_2); // PTB1/I2C0/SDA
/* start I2C */
i2cStart(&I2CD1, &i2ccfg);
// try high drive (from kiibohd)
I2CD1.i2c->C2 |= I2Cx_C2_HDRS;
// try glitch fixing (from kiibohd)
I2CD1.i2c->FLT = 4;
chThdSleepMilliseconds(10);
/* initialise IS31 chip */
is31_init();
//set Display Option Register so all pwm intensity is controlled from page 0
//enable blink and set blink period to 0.27s x rate
is31_write_register(IS31_FUNCTIONREG, IS31_REG_DISPLAYOPT, IS31_REG_DISPLAYOPT_INTENSITY_SAME + IS31_REG_DISPLAYOPT_BLINK_ENABLE + 4);
/* set full pwm on page 1 */
pwm_register_array[0] = 0;
__builtin_memset(pwm_register_array+1, 0xFF, 8);
for(i=0; i<8; i++) {
pwm_register_array[0] = 0x24 + (i * 0x10);//first byte of 9 bytes must be register address
is31_write_data(0, pwm_register_array, 9);
chThdSleepMilliseconds(5);
}
/* enable breathing when the displayed page changes */
// Fade-in Fade-out, time = 26ms * 2^N, N=3
is31_write_register(IS31_FUNCTIONREG, IS31_REG_BREATHCTRL1, (3<<4)|3);
is31_write_register(IS31_FUNCTIONREG, IS31_REG_BREATHCTRL2, IS31_REG_BREATHCTRL2_ENABLE|3);
/* more time consuming LED processing should be offloaded into
* a thread, with asynchronous messaging. */
chMBObjectInit(&led_mailbox, led_mailbox_queue, LED_MAILBOX_NUM_MSGS);
chThdCreateStatic(waLEDthread, sizeof(waLEDthread), LOWPRIO, LEDthread, NULL);
}
//TODO: Don't know equivalent QMK hooks for these
//
//void hook_usb_suspend_entry(void) {
//#ifdef SLEEP_LED_ENABLE
// chSysLockFromISR();
// chMBPostI(&led_mailbox, LED_MSG_SLEEP_LED_ON);
// chSysUnlockFromISR();
//#endif /* SLEEP_LED_ENABLE */
//}
//
//void hook_usb_suspend_loop(void) {
// chThdSleepMilliseconds(100);
// /* Remote wakeup */
// if((USB_DRIVER.status & 2) && suspend_wakeup_condition()) {
// send_remote_wakeup(&USB_DRIVER);
// }
//}
//
//void hook_usb_wakeup(void) {
//#ifdef SLEEP_LED_ENABLE
// chSysLockFromISR();
// chMBPostI(&led_mailbox, LED_MSG_SLEEP_LED_OFF);
// chSysUnlockFromISR();
//#endif /* SLEEP_LED_ENABLE */
//}
//*/
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