keyboard/qmk/tmk_core/common/chibios/suspend.c

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/* TODO */
2020-12-25 20:21:40 +00:00
#include <ch.h>
#include <hal.h>
#include "matrix.h"
#include "action.h"
#include "action_util.h"
#include "mousekey.h"
#include "host.h"
#include "suspend.h"
#include "led.h"
#include "wait.h"
#ifdef BACKLIGHT_ENABLE
# include "backlight.h"
#endif
#if defined(RGBLIGHT_SLEEP) && defined(RGBLIGHT_ENABLE)
# include "rgblight.h"
extern rgblight_config_t rgblight_config;
static bool rgblight_enabled;
static bool is_suspended;
#endif
/** \brief suspend idle
*
* FIXME: needs doc
*/
void suspend_idle(uint8_t time) {
// TODO: this is not used anywhere - what units is 'time' in?
wait_ms(time);
}
/** \brief Run keyboard level Power down
*
* FIXME: needs doc
*/
__attribute__((weak)) void suspend_power_down_user(void) {}
/** \brief Run keyboard level Power down
*
* FIXME: needs doc
*/
__attribute__((weak)) void suspend_power_down_kb(void) { suspend_power_down_user(); }
/** \brief suspend power down
*
* FIXME: needs doc
*/
void suspend_power_down(void) {
#ifdef BACKLIGHT_ENABLE
backlight_set(0);
#endif
// Turn off LED indicators
uint8_t leds_off = 0;
#if defined(BACKLIGHT_CAPS_LOCK) && defined(BACKLIGHT_ENABLE)
if (is_backlight_enabled()) {
// Don't try to turn off Caps Lock indicator as it is backlight and backlight is already off
leds_off |= (1 << USB_LED_CAPS_LOCK);
}
#endif
led_set(leds_off);
// TODO: figure out what to power down and how
// shouldn't power down TPM/FTM if we want a breathing LED
// also shouldn't power down USB
#if defined(RGBLIGHT_SLEEP) && defined(RGBLIGHT_ENABLE)
rgblight_timer_disable();
if (!is_suspended) {
is_suspended = true;
rgblight_enabled = rgblight_config.enable;
rgblight_disable_noeeprom();
}
#endif
suspend_power_down_kb();
// on AVR, this enables the watchdog for 15ms (max), and goes to
// SLEEP_MODE_PWR_DOWN
wait_ms(17);
}
/** \brief suspend wakeup condition
*
* FIXME: needs doc
*/
__attribute__((weak)) void matrix_power_up(void) {}
__attribute__((weak)) void matrix_power_down(void) {}
bool suspend_wakeup_condition(void) {
matrix_power_up();
matrix_scan();
matrix_power_down();
for (uint8_t r = 0; r < MATRIX_ROWS; r++) {
if (matrix_get_row(r)) return true;
}
return false;
}
/** \brief run user level code immediately after wakeup
*
* FIXME: needs doc
*/
__attribute__((weak)) void suspend_wakeup_init_user(void) {}
/** \brief run keyboard level code immediately after wakeup
*
* FIXME: needs doc
*/
__attribute__((weak)) void suspend_wakeup_init_kb(void) { suspend_wakeup_init_user(); }
/** \brief suspend wakeup condition
*
* run immediately after wakeup
* FIXME: needs doc
*/
void suspend_wakeup_init(void) {
// clear keyboard state
// need to do it manually, because we're running from ISR
// and clear_keyboard() calls print
// so only clear the variables in memory
// the reports will be sent from main.c afterwards
// or if the PC asks for GET_REPORT
clear_mods();
clear_weak_mods();
clear_keys();
#ifdef MOUSEKEY_ENABLE
mousekey_clear();
#endif /* MOUSEKEY_ENABLE */
#ifdef EXTRAKEY_ENABLE
host_system_send(0);
host_consumer_send(0);
#endif /* EXTRAKEY_ENABLE */
#ifdef BACKLIGHT_ENABLE
backlight_init();
#endif /* BACKLIGHT_ENABLE */
led_set(host_keyboard_leds());
#if defined(RGBLIGHT_SLEEP) && defined(RGBLIGHT_ENABLE)
is_suspended = false;
if (rgblight_enabled) {
rgblight_enable_noeeprom();
}
rgblight_timer_enable();
#endif
suspend_wakeup_init_kb();
}