common/chibios/suspend.c

   1 /* TODO */
   2
   3 #include "ch.h"
   4 #include "hal.h"
   5
   6 #include "matrix.h"
   7 #include "action.h"
   8 #include "action_util.h"
   9 #include "mousekey.h"
  10 #include "host.h"
  11 #include "backlight.h"
  12 #include "suspend.h"
  13
  14 void suspend_idle(uint8_t time) {
  15         // TODO: this is not used anywhere - what units is 'time' in?
  16         chThdSleepMilliseconds(time);
  17 }
  18
  19 void suspend_power_down(void) {
  20         // TODO: figure out what to power down and how
  21         // shouldn't power down TPM/FTM if we want a breathing LED
  22         // also shouldn't power down USB
  23
  24         // on AVR, this enables the watchdog for 15ms (max), and goes to
  25         // SLEEP_MODE_PWR_DOWN
  26
  27         chThdSleepMilliseconds(17);
  28 }
  29
  30 __attribute__ ((weak)) void matrix_power_up(void) {}
  31 __attribute__ ((weak)) void matrix_power_down(void) {}
  32 bool suspend_wakeup_condition(void)
  33 {
  34     matrix_power_up();
  35     matrix_scan();
  36     matrix_power_down();
  37     for (uint8_t r = 0; r < MATRIX_ROWS; r++) {
  38         if (matrix_get_row(r)) return true;
  39     }
  40     return false;
  41 }
  42
  43 // run immediately after wakeup
  44 void suspend_wakeup_init(void)
  45 {
  46     // clear keyboard state
  47     // need to do it manually, because we're running from ISR
  48     //  and clear_keyboard() calls print
  49     // so only clear the variables in memory
  50     // the reports will be sent from main.c afterwards
  51     // or if the PC asks for GET_REPORT
  52     clear_mods();
  53     clear_weak_mods();
  54     clear_keys();
  55 #ifdef MOUSEKEY_ENABLE
  56     mousekey_clear();
  57 #endif /* MOUSEKEY_ENABLE */
  58 #ifdef EXTRAKEY_ENABLE
  59     host_system_send(0);
  60     host_consumer_send(0);
  61 #endif /* EXTRAKEY_ENABLE */
  62 #ifdef BACKLIGHT_ENABLE
  63     backlight_init();
  64 #endif /* BACKLIGHT_ENABLE */
  65 }