X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;ds=sidebyside;f=keyboards%2Finfinity60%2Fled_controller.c;h=f319f8c68830b355f9527933d30de58ad0c50cd5;hb=c966da89da613fe6f2f28cc23e4acbb1f43559aa;hp=bc501d9f29636c6b7aad8be9624289a2e841e1fb;hpb=b73c935d3652df58fc573c83986424ab47a2ba14;p=qmk_firmware.git

diff --git a/keyboards/infinity60/led_controller.c b/keyboards/infinity60/led_controller.c
index bc501d9f2..f319f8c68 100644
--- a/keyboards/infinity60/led_controller.c
+++ b/keyboards/infinity60/led_controller.c
@@ -1,5 +1,6 @@
 /*
 Copyright 2016 flabbergast <s3+flabbergast@sdfeu.org>
+Copyright 2017 jpetermans <tibcmhhm@gmail.com>
 
 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
@@ -17,28 +18,32 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 /*
  * LED controller code
- * WF uses IS31FL3731C matrix LED driver from ISSI
+ * 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 "host.h"
 
 #include "led_controller.h"
 
-#include "hook.h"
 #include "suspend.h"
 
 #include "usb_main.h"
 
-/* WF LED MAP
+/* 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  88       91        92  93 (94)  95 96 97
+  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
 */
 
 /*
@@ -51,11 +56,13 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
     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 C4-8, so the address is
- * 0x24 + (4-1)*0x10 + (8-1) = 0x5B */
+// Which LED should be used for CAPS LOCK indicator
 #if !defined(CAPS_LOCK_LED_ADDRESS)
-#define CAPS_LOCK_LED_ADDRESS 0x5B
+#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 */
@@ -81,11 +88,22 @@ uint8_t rx[1] __attribute__((aligned(2)));
 uint8_t full_page[0xB4+1] = {0};
 
 // LED mask (which LEDs are present, selected by bits)
-const uint8_t is31_wf_leds_mask[0x12] = {
+// 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, 0xFF, 0x00, 0x7F, 0x00
+  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
  * ============================ */
@@ -107,8 +125,8 @@ msg_t is31_write_register(uint8_t page, uint8_t reg, uint8_t data) {
   return i2cMasterTransmitTimeout(&I2CD1, IS31_ADDR_DEFAULT, tx, 2, NULL, 0, US2ST(IS31_TIMEOUT));
 }
 
-msg_t is31_read_register(uint8_t b, uint8_t reg, uint8_t *result) {
-  is31_select_page(b);
+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));
@@ -127,19 +145,19 @@ void is31_init(void) {
   palSetPad(GPIOB, 16);
   chThdSleepMilliseconds(10);
   // software shutdown
-  is31_write_register(IS31_FUNCTIONREG, IS31_REG_SHUTDOWN, 0);
+  is31_write_register(IS31_FUNCTIONREG, IS31_REG_SHUTDOWN, IS31_REG_SHUTDOWN_ON);
   chThdSleepMilliseconds(10);
   // zero function page, all registers
   is31_write_data(IS31_FUNCTIONREG, full_page, 0xD + 1);
   chThdSleepMilliseconds(10);
   // software shutdown disable (i.e. turn stuff on)
-  is31_write_register(IS31_FUNCTIONREG, IS31_REG_SHUTDOWN, IS31_REG_SHUTDOWN_ON);
+  is31_write_register(IS31_FUNCTIONREG, IS31_REG_SHUTDOWN, IS31_REG_SHUTDOWN_OFF);
   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);
+    chThdSleepMilliseconds(5);
   }
 }
 
@@ -154,133 +172,278 @@ static THD_FUNCTION(LEDthread, arg) {
   (void)arg;
   chRegSetThreadName("LEDthread");
 
-  uint8_t temp;
-  uint8_t save_page, save_breath1, save_breath2;
-  msg_t msg, retval;
+  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, capslock_status, numlock_status;
+
+  //mailbox variables
+  uint8_t temp, msg_type;
+  uint8_t msg_args[3];
+  msg_t msg;
+
+  // initialize persistent variables
+  pwm_step_status = 4; //full brightness
+  page_status = 0; //start frame 0 (all off/on)
+  numlock_status = (host_keyboard_leds() & (1<<USB_LED_NUM_LOCK)) ? 1 : 0;
+  capslock_status = (host_keyboard_leds() & (1<<USB_LED_CAPS_LOCK)) ? 1 : 0;
 
   while(true) {
     // wait for a message (asynchronous)
     // (messages are queued (up to LED_MAILBOX_NUM_MSGS) if they can't
-    //  be processed right away)
+    //  be processed right away
     chMBFetch(&led_mailbox, &msg, TIME_INFINITE);
+    msg_type = msg & 0xFF; //first byte is action information
+    msg_args[0] = (msg >> 8) & 0xFF;
+    msg_args[1] = (msg >> 16) & 0XFF;
+    msg_args[2] = (msg >> 24) & 0xFF;
 
-    // process 'msg' here
-    switch(msg) {
-      case LED_MSG_CAPS_ON:
-        // turn caps on on pages 1 and 2
-        is31_write_register(0, CAPS_LOCK_LED_ADDRESS, 0xFF);
-        is31_write_register(1, CAPS_LOCK_LED_ADDRESS, 0xFF);
-        is31_write_register(2, CAPS_LOCK_LED_ADDRESS, 0xFF);
+
+    switch (msg_type){
+      case SET_FULL_ROW:
+      //write full byte to pin address, msg_args[1] = pin #, msg_args[0] = 8 bits to write
+      //writes only to currently displayed page
+        write_led_byte(page_status, msg_args[1], msg_args[0]);
         break;
-      case LED_MSG_CAPS_OFF:
-        // turn caps off on pages 1 and 2
-        is31_write_register(0, CAPS_LOCK_LED_ADDRESS, 0);
-        is31_write_register(1, CAPS_LOCK_LED_ADDRESS, 0);
-        is31_write_register(2, CAPS_LOCK_LED_ADDRESS, 0);
+
+      case OFF_LED:
+      //on/off/toggle single led, msg_args[0] = row/col of led, msg_args[1] = page
+        set_led_bit(msg_args[1], control_register_word, msg_args[0], 0);
         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);
+      case ON_LED:
+        set_led_bit(msg_args[1], control_register_word, msg_args[0], 1);
         break;
-      case LED_MSG_SLEEP_LED_OFF:
-        // should not get here; wakeup should be received in the branch above
+      case TOGGLE_LED:
+        set_led_bit(msg_args[1], control_register_word, msg_args[0], 2);
         break;
-      case LED_MSG_ALL_TOGGLE:
-        // read current page into 'temp'
-        is31_read_register(IS31_FUNCTIONREG, IS31_REG_PICTDISP, &temp);
-        chThdSleepMilliseconds(1);
-        // switch to 'the other' page
-        if(temp==2) {
-          is31_write_register(IS31_FUNCTIONREG, IS31_REG_PICTDISP, 0);
+
+      case BLINK_OFF_LED:
+      //on/off/toggle single led, msg_args[0] = row/col of led
+        set_led_bit(msg_args[1], control_register_word, msg_args[0], 4);
+        break;
+      case BLINK_ON_LED:
+        set_led_bit(msg_args[1], control_register_word, msg_args[0], 5);
+        break;
+      case BLINK_TOGGLE_LED:
+        set_led_bit(msg_args[1], control_register_word, msg_args[0], 6);
+        break;
+
+      case TOGGLE_ALL:
+      //turn on/off all leds, msg_args = unused
+        is31_write_register(IS31_FUNCTIONREG, IS31_REG_SHUTDOWN, IS31_REG_SHUTDOWN_ON);
+        chThdSleepMilliseconds(5);
+        is31_read_register(0, 0x00, &temp);
+        is31_write_register(IS31_FUNCTIONREG, IS31_REG_SHUTDOWN, IS31_REG_SHUTDOWN_OFF);
+
+        led_control_reg[0] = 0;
+
+        //toggle led mask based on current state (temp)
+        if (temp==0 || page_status > 0) {
+          __builtin_memcpy(led_control_reg+1, all_on_leds_mask, 0x12);
         } else {
-          is31_write_register(IS31_FUNCTIONREG, IS31_REG_PICTDISP, 2);
+          __builtin_memset(led_control_reg+1, 0, 0x12);
         }
-        break;
-      case LED_MSG_GAME_TOGGLE:
-        // read current page into 'temp'
-        is31_read_register(IS31_FUNCTIONREG, IS31_REG_PICTDISP, &temp);
-        chThdSleepMilliseconds(1);
-        // switch to 'the other' page
-        if(temp==1) {
+        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, reset to off and force recheck to blink of all leds toggled on
+          numlock_status = 0;
+          capslock_status = 0;
+          led_set(host_keyboard_leds());
+        }
+        break;
+
+      case TOGGLE_BACKLIGHT:
+        //msg_args[0] = on/off
+
+        //populate 9 byte rows to be written to each pin, first byte is register (pin) address
+        if (msg_args[0] == 1) {
+          __builtin_memset(pwm_register_array+1, pwm_levels[pwm_step_status], 8);
         } else {
-          is31_write_register(IS31_FUNCTIONREG, IS31_REG_PICTDISP, 1);
+          __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-matrix pwm pins
+          pwm_register_array[0] = 0x24 + (i * 0x10);
+          is31_write_data(0,pwm_register_array,9);
+        }
+        break;
+
+      case DISPLAY_PAGE:
+      //msg_args[0] = page to toggle on
+        if (page_status != msg_args[0]) {
+          is31_write_register(IS31_FUNCTIONREG, IS31_REG_PICTDISP, msg_args[0]);
+          page_status = msg_args[0];
+
+          //maintain lock leds, reset to off and force recheck for new page
+          numlock_status = 0;
+          capslock_status = 0;
+          led_set(host_keyboard_leds());
+        }
+        break;
+
+      case RESET_PAGE:
+      //led_args[0] = page to reset
+        led_control_reg[0] = 0;
+        __builtin_memset(led_control_reg+1, 0, 0x12);
+        is31_write_data(msg_args[0], led_control_reg, 0x13);
+
+        //repeat for blink register
+        led_control_reg[0] = 0x12;
+        is31_write_data(msg_args[0], led_control_reg, 0x13);
+        break;
+
+      case TOGGLE_NUM_LOCK:
+      //msg_args[0] = 0 or 1, off/on
+        if (numlock_status != msg_args[0]) {
+          set_lock_leds(NUM_LOCK_LED_ADDRESS, msg_args[0], page_status);
+          numlock_status = msg_args[0];
+        }
+        break;
+      case TOGGLE_CAPS_LOCK:
+      //msg_args[0] = 0 or 1, off/on
+        if (capslock_status != msg_args[0]) {
+          set_lock_leds(CAPS_LOCK_LED_ADDRESS, msg_args[0], page_status);
+          capslock_status = msg_args[0];
+        }
+        break;
+
+      case STEP_BRIGHTNESS:
+      //led_args[0] = step up (1) or down (0)
+        switch (msg_args[0]) {
+          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 arrays to write on each pin
+        //first byte is register address, every 0x10 9 bytes are A-matrix 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;
     }
   }
 }
 
-/* LED game mode */
-const uint8_t led_game[83] = {
-  0x24,
-  0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-  0x34,
-  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-  0x44,
-  0x00, 0x00, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
-  0x54,
-  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-  0x64,
-  0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
-  0x74,
-  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-  0x84,
-  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-  0x94,
-  0x00, 0x00, 0x00, 0xFF, 0x00, 0x00, 0x00, 0x00,
-  0xA4,
-  0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0x00,
-};
+/* ==============================
+ *    led processing functions
+ * ============================== */
 
-/* ALL LEDs */
-const uint8_t led_all[83] = {
-  0x24,
-  0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0,
-  0x34,
-  0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0,
-  0x44,
-  0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0,
-  0x54,
-  0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0,
-  0x64,
-  0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0,
-  0x74,
-  0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0,
-  0x84,
-  0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0,
-  0x94,
-  0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0,
-  0xA4,
-  0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0,
-};
+void set_led_bit (uint8_t page, uint8_t *led_control_word, uint8_t led_addr, uint8_t action) {
+  //returns 2 bytes: led control register address and byte to write
+  //action: 0 - off, 1 - on, 2 - toggle, 4 - blink on, 5 - blink off, 6 - toggle blink
+
+  uint8_t control_reg_addr, column_bit, column_byte, temp, blink_bit;
+
+  //check for valid led address
+  if (led_addr < 0 || led_addr > 87 || led_addr % 10 > 8) {
+    return;
+  }
+
+  blink_bit = action>>2;//check for blink bit
+  action &= ~(1<<2); //strip blink bit
+
+  //led_addr tens column is pin#, ones column is bit position in 8-bit mask
+  control_reg_addr = ((led_addr / 10) % 10 - 1 ) * 0x02;// A-matrix is every other byte
+  control_reg_addr += blink_bit == 1 ? 0x12 : 0x00;//if blink_bit, shift 12 bytes to blink register
+
+  is31_write_register(IS31_FUNCTIONREG, IS31_REG_SHUTDOWN, IS31_REG_SHUTDOWN_ON);
+  chThdSleepMilliseconds(5);
+  is31_read_register(page, control_reg_addr, &temp);//maintain status of leds on this byte
+  is31_write_register(IS31_FUNCTIONREG, IS31_REG_SHUTDOWN, IS31_REG_SHUTDOWN_OFF);
+
+  column_bit = 1<<(led_addr % 10 - 1);
+  column_byte = temp;
+
+  switch(action) {
+    case 0:
+      column_byte &= ~column_bit;
+      break;
+    case 1:
+      column_byte |= column_bit;
+      break;
+    case 2:
+      column_byte ^= column_bit;
+      break;
+  }
+
+  //return word to be written in register
+  led_control_word[0] = control_reg_addr;
+  led_control_word[1] = column_byte;
+  is31_write_data (page, led_control_word, 0x02);
+}
+
+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-matrix 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};
+
+  __builtin_memset(led_control_register,0,13);
+
+  for(i=0;i<led_count;i++){
+    //shift pin by 1 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);
+  }
 
-/* =============
- * hook into TMK
- * ============= */
-void hook_early_init(void) {
+  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 temp;
+  uint8_t led_control_word[2] = {0};
+
+  //blink if all leds are on
+  if (page == 0) {
+    is31_write_register(IS31_FUNCTIONREG, IS31_REG_SHUTDOWN, IS31_REG_SHUTDOWN_ON);
+    chThdSleepMilliseconds(5);
+    is31_read_register(0, 0x00, &temp);
+    is31_write_register(IS31_FUNCTIONREG, IS31_REG_SHUTDOWN, IS31_REG_SHUTDOWN_OFF);
+
+    if (temp == 0xFF) {
+      led_action |= (1<<2); //set blink bit
+    }
+  }
+
+  set_led_bit(page,led_control_word,led_addr,led_action);
+}
+
+/* =====================
+ * hook into user keymap
+ * ===================== */
+void led_controller_init(void) {
   uint8_t i;
 
   /* initialise I2C */
@@ -299,11 +462,17 @@ void hook_early_init(void) {
   /* initialise IS31 chip */
   is31_init();
 
-  /* enable WF LEDs on all pages */
-  full_page[0] = 0;
-  __builtin_memcpy(full_page+1, is31_wf_leds_mask, 0x12);
+  //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++) {
-    is31_write_data(i, full_page, 1+0x12);
+    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 */
@@ -311,44 +480,8 @@ void hook_early_init(void) {
   is31_write_register(IS31_FUNCTIONREG, IS31_REG_BREATHCTRL1, (3<<4)|3);
   is31_write_register(IS31_FUNCTIONREG, IS31_REG_BREATHCTRL2, IS31_REG_BREATHCTRL2_ENABLE|3);
 
-  /* Write pages */
-  for(i=0; i<9; i++) {
-    is31_write_data(1,(uint8_t *)(led_game+(9*i)),9);
-    chThdSleepMilliseconds(5);
-    is31_write_data(2,(uint8_t *)(led_all+(9*i)),9);
-    chThdSleepMilliseconds(5);
-  }
-
-  // clean up the capslock LED
-  is31_write_register(1, CAPS_LOCK_LED_ADDRESS, 0);
-  is31_write_register(2, CAPS_LOCK_LED_ADDRESS, 0);
-
   /* 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);
 }
-
-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 */
-}