forked from mirrors/qmk_userspace
fdc38ef3f9
57d27a8 Merge branch 'core_update_150924' into core
024abe3 core: Fix NKRO ifdef
7aa2d30 core: Fix for disabling NKRO in Boot protocol
95651fd core: Fix message print of debug command
c20cd29 lufa: Fix endpoint bank mode for ATMega32u2
82ac21f next_usb: Fix next_kbd_set_leds()
537d9c7 Change to KC_BOOTLOADER(KC_BTLD)
f2b3772 Add an assignable RESET key
fc99257 Fix parenthesis
e852582 Fix weak modifier clear in action macro
c2a6c5c core: Fix lufa suspend callback(#234)
fa548c5 usb_usb: Ignore error usage(0x01-03) report
513d95c usb_usb: Support locking key indicator LED
cd78802 core: Add keymap section ldscript for ATMega32U2
70c9abd Add description for non-US keys on keycode.h
538c192 lufa: Fix console flush #223
87628c9 Revert "Make action_for_key a weak symbol"
3c0a1ba Make action_for_key a weak symbol
6bb0d7d ibm4704_usb: Fix protocol handling
b6ef5cf Add keyboard_setup() and matrix_setup()
f4bb8b2 ibm4704_usb: Fix interrupt of clock(rising edge)
0c1fcc1 usb_usb: Change debug LED pin config
595710d Reduce code size of magic commands
6bed174 Add description of AVR bootloader and boot section
54c6a01 Merge commit 'f6d56675f9'
d18d42e Merge branch 'core-update2' into core
febec88 Add compile options '-fdata-sections'
git-subtree-dir: tmk_core
git-subtree-split: 57d27a8e39173a589b4abae74851f95c39940174
124 lines
2.6 KiB
C
124 lines
2.6 KiB
C
#include <stdbool.h>
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#include <avr/sleep.h>
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#include <avr/wdt.h>
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#include <avr/interrupt.h>
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#include "matrix.h"
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#include "action.h"
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#include "backlight.h"
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#include "suspend_avr.h"
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#include "suspend.h"
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#include "timer.h"
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#ifdef PROTOCOL_LUFA
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#include "lufa.h"
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#endif
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#define wdt_intr_enable(value) \
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__asm__ __volatile__ ( \
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"in __tmp_reg__,__SREG__" "\n\t" \
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"cli" "\n\t" \
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"wdr" "\n\t" \
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"sts %0,%1" "\n\t" \
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"out __SREG__,__tmp_reg__" "\n\t" \
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"sts %0,%2" "\n\t" \
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: /* no outputs */ \
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: "M" (_SFR_MEM_ADDR(_WD_CONTROL_REG)), \
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"r" (_BV(_WD_CHANGE_BIT) | _BV(WDE)), \
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"r" ((uint8_t) ((value & 0x08 ? _WD_PS3_MASK : 0x00) | \
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_BV(WDIE) | (value & 0x07)) ) \
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: "r0" \
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)
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void suspend_idle(uint8_t time)
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{
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cli();
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set_sleep_mode(SLEEP_MODE_IDLE);
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sleep_enable();
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sei();
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sleep_cpu();
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sleep_disable();
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}
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/* Power down MCU with watchdog timer
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* wdto: watchdog timer timeout defined in <avr/wdt.h>
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* WDTO_15MS
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* WDTO_30MS
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* WDTO_60MS
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* WDTO_120MS
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* WDTO_250MS
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* WDTO_500MS
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* WDTO_1S
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* WDTO_2S
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* WDTO_4S
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* WDTO_8S
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*/
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static uint8_t wdt_timeout = 0;
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static void power_down(uint8_t wdto)
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{
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#ifdef PROTOCOL_LUFA
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if (USB_DeviceState == DEVICE_STATE_Configured) return;
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#endif
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wdt_timeout = wdto;
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// Watchdog Interrupt Mode
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wdt_intr_enable(wdto);
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// TODO: more power saving
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// See PicoPower application note
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// - I/O port input with pullup
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// - prescale clock
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// - BOD disable
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// - Power Reduction Register PRR
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set_sleep_mode(SLEEP_MODE_PWR_DOWN);
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sleep_enable();
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sei();
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sleep_cpu();
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sleep_disable();
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// Disable watchdog after sleep
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wdt_disable();
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}
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void suspend_power_down(void)
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{
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power_down(WDTO_15MS);
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}
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__attribute__ ((weak)) void matrix_power_up(void) {}
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__attribute__ ((weak)) void matrix_power_down(void) {}
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bool suspend_wakeup_condition(void)
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{
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matrix_power_up();
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matrix_scan();
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matrix_power_down();
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for (uint8_t r = 0; r < MATRIX_ROWS; r++) {
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if (matrix_get_row(r)) return true;
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}
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return false;
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}
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// run immediately after wakeup
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void suspend_wakeup_init(void)
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{
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// clear keyboard state
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clear_keyboard();
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#ifdef BACKLIGHT_ENABLE
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backlight_init();
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#endif
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}
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#ifndef NO_SUSPEND_POWER_DOWN
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/* watchdog timeout */
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ISR(WDT_vect)
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{
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// compensate timer for sleep
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switch (wdt_timeout) {
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case WDTO_15MS:
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timer_count += 15 + 2; // WDTO_15MS + 2(from observation)
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break;
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default:
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;
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}
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}
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#endif
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