summaryrefslogtreecommitdiff
path: root/tmk_core/common/avr/suspend.c
diff options
context:
space:
mode:
Diffstat (limited to 'tmk_core/common/avr/suspend.c')
-rw-r--r--tmk_core/common/avr/suspend.c152
1 files changed, 0 insertions, 152 deletions
diff --git a/tmk_core/common/avr/suspend.c b/tmk_core/common/avr/suspend.c
deleted file mode 100644
index b614746e6c..0000000000
--- a/tmk_core/common/avr/suspend.c
+++ /dev/null
@@ -1,152 +0,0 @@
-#include <stdbool.h>
-#include <avr/sleep.h>
-#include <avr/wdt.h>
-#include <avr/interrupt.h>
-#include "matrix.h"
-#include "action.h"
-#include "suspend.h"
-#include "timer.h"
-#include "led.h"
-#include "host.h"
-
-#ifdef PROTOCOL_LUFA
-# include "lufa.h"
-#endif
-#ifdef PROTOCOL_VUSB
-# include "vusb.h"
-#endif
-
-/** \brief Suspend idle
- *
- * FIXME: needs doc
- */
-void suspend_idle(uint8_t time) {
- cli();
- set_sleep_mode(SLEEP_MODE_IDLE);
- sleep_enable();
- sei();
- sleep_cpu();
- sleep_disable();
-}
-
-// TODO: This needs some cleanup
-
-#if !defined(NO_SUSPEND_POWER_DOWN) && defined(WDT_vect)
-
-// clang-format off
-#define wdt_intr_enable(value) \
-__asm__ __volatile__ ( \
- "in __tmp_reg__,__SREG__" "\n\t" \
- "cli" "\n\t" \
- "wdr" "\n\t" \
- "sts %0,%1" "\n\t" \
- "out __SREG__,__tmp_reg__" "\n\t" \
- "sts %0,%2" "\n\t" \
- : /* no outputs */ \
- : "M" (_SFR_MEM_ADDR(_WD_CONTROL_REG)), \
- "r" (_BV(_WD_CHANGE_BIT) | _BV(WDE)), \
- "r" ((uint8_t) ((value & 0x08 ? _WD_PS3_MASK : 0x00) | _BV(WDIE) | (value & 0x07))) \
- : "r0" \
-)
-// clang-format on
-
-/** \brief Power down MCU with watchdog timer
- *
- * wdto: watchdog timer timeout defined in <avr/wdt.h>
- * WDTO_15MS
- * WDTO_30MS
- * WDTO_60MS
- * WDTO_120MS
- * WDTO_250MS
- * WDTO_500MS
- * WDTO_1S
- * WDTO_2S
- * WDTO_4S
- * WDTO_8S
- */
-static uint8_t wdt_timeout = 0;
-
-/** \brief Power down
- *
- * FIXME: needs doc
- */
-static void power_down(uint8_t wdto) {
- wdt_timeout = wdto;
-
- // Watchdog Interrupt Mode
- wdt_intr_enable(wdto);
-
- // TODO: more power saving
- // See PicoPower application note
- // - I/O port input with pullup
- // - prescale clock
- // - BOD disable
- // - Power Reduction Register PRR
- set_sleep_mode(SLEEP_MODE_PWR_DOWN);
- sleep_enable();
- sei();
- sleep_cpu();
- sleep_disable();
-
- // Disable watchdog after sleep
- wdt_disable();
-}
-#endif
-
-/** \brief Suspend power down
- *
- * FIXME: needs doc
- */
-void suspend_power_down(void) {
-#ifdef PROTOCOL_LUFA
- if (USB_DeviceState == DEVICE_STATE_Configured) return;
-#endif
-#ifdef PROTOCOL_VUSB
- if (!vusb_suspended) return;
-#endif
-
- suspend_power_down_quantum();
-
-#ifndef NO_SUSPEND_POWER_DOWN
- // Enter sleep state if possible (ie, the MCU has a watchdog timeout interrupt)
-# if defined(WDT_vect)
- power_down(WDTO_15MS);
-# endif
-#endif
-}
-
-__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 immediately after wakeup
- *
- * FIXME: needs doc
- */
-void suspend_wakeup_init(void) {
- // clear keyboard state
- clear_keyboard();
-
- suspend_wakeup_init_quantum();
-}
-
-#if !defined(NO_SUSPEND_POWER_DOWN) && defined(WDT_vect)
-/* watchdog timeout */
-ISR(WDT_vect) {
- // compensate timer for sleep
- switch (wdt_timeout) {
- case WDTO_15MS:
- timer_count += 15 + 2; // WDTO_15MS + 2(from observation)
- break;
- default:;
- }
-}
-#endif