forked from forks/qmk_firmware
Add power control of keyswitch board and tweak scan wait
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tmk
parent
d965822857
commit
0e37dd2ec5
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@ -71,7 +71,7 @@ MCU = atmega32u4
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# does not *change* the processor frequency - it should merely be updated to
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# reflect the processor speed set externally so that the code can use accurate
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# software delays.
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F_CPU = 8000000
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F_CPU = 16000000
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#
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@ -109,7 +109,7 @@ OPT_DEFS += -DBOOTLOADER_SIZE=4096
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# Build Options
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# comment out to disable the options.
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#
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BOOTMAGIC_ENABLE = yes # Virtual DIP switch configuration
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#BOOTMAGIC_ENABLE = yes # Virtual DIP switch configuration
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MOUSEKEY_ENABLE = yes # Mouse keys
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EXTRAKEY_ENABLE = yes # Audio control and System control
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CONSOLE_ENABLE = yes # Console for debug
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48
keyboard/hhkb/doc/Power.txt
Normal file
48
keyboard/hhkb/doc/Power.txt
Normal file
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@ -0,0 +1,48 @@
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HHKB Power consumption
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----------------------
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**Power consumption
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board clock/prescaler keyswitch power ctrl current
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--------------------------------------------------------------------------
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tmk 16MHz no no 26.4mA
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tmk 16MHz pro1 no 45.1mA
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tmk 16MHz/2 no no 18.1mA
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tmk 16MHz/2 pro1 no 37.3mA
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tmk 8MHz no no 18.9mA
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tmk 8MHz pro2 no(w/o FET) 32.1mA
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tmk 8MHz pro2 no(w FET) 32.1mA withou POWER_ON/FF
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tmk 8MHz pro2 no(w FET) 32.6mA with POWR_ON/OFF
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tmk 8MHz pro2 15ms(w FET) 21.3mA with POWR_ON/OFF, enumerated but error -32
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tmk 8MHz pro2 60ms(w FET) 13.3mA with POWR_ON/OFF, not enumerated
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gh60 16MHz 25.8mA
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gh60 16MHz USB suspend w LED breathing 17.6-29.1mA
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gh60 16MHz USB suspend w/o LED 0.2mA(0.231-0.276mA)
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Poker 5.6mA
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Poker USB suspend 0.3mA(0.301mA)
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gh60 16MHz stock firmware by komar 26.8mA
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HHKB pro2 Over All 139.4mA
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HHKB pro2 Controller 115.1mA
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HHKB pro1 Controller 25.9mA
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keyswitch power consumption:
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pro1: 45.1-26.4=18.7mA
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37.3-18.1=19.2mA
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pro2: 32.1-18.9=13.2mA
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**Low Freq Crystal or Prescaler?
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No advantage of Low Freq Crystal against Prescaled.
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Clock routing
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X'tal --+---->Prescaler-------> System Clock
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+---------------------> USB PLL
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Design Decision: Install 16MHz crystal on board with using clock rescaler.
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@ -63,7 +63,7 @@ static matrix_row_t _matrix1[MATRIX_ROWS];
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PORTE |= (1<<6); \
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} while (0)
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#define KEY_SELECT(ROW, COL) (PORTB = (PORTB & 0xC0) | \
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(((COL) & 0x07)<<3) | \
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(((COL) & 0x07)<<3) | \
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((ROW) & 0x07))
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#define KEY_ENABLE() (PORTB &= ~(1<<6))
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#define KEY_UNABLE() (PORTB |= (1<<6))
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@ -79,16 +79,20 @@ static matrix_row_t _matrix1[MATRIX_ROWS];
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// col: PB3-5,6
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// key: PD7(pull-uped)
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// prev: PB7
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// power: PD4(L:off/H:on)
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#define KEY_INIT() do { \
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DDRB = 0xFF; \
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PORTB = 0x00; \
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DDRD &= ~0x80; \
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PORTD |= 0x80; \
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/* keyswitch board power on */ \
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DDRD |= (1<<4); \
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PORTD |= (1<<4); \
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KEY_UNABLE(); \
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KEY_PREV_OFF(); \
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} while (0)
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#define KEY_SELECT(ROW, COL) (PORTB = (PORTB & 0xC0) | \
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(((COL) & 0x07)<<3) | \
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(((COL) & 0x07)<<3) | \
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((ROW) & 0x07))
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#define KEY_ENABLE() (PORTB &= ~(1<<6))
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#define KEY_UNABLE() (PORTB |= (1<<6))
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@ -97,6 +101,20 @@ static matrix_row_t _matrix1[MATRIX_ROWS];
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#define KEY_PREV_OFF() (PORTB &= ~(1<<7))
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#define KEY_POWER_ON()
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#define KEY_POWER_OFF()
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/*
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#define KEY_POWER_ON() do { \
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KEY_INIT(); \
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PORTD |= (1<<4); \
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_delay_ms(1); \
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} while (0)
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#define KEY_POWER_OFF() do { \
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PORTD &= ~(1<<4); \
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DDRB &= ~0xFF; \
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PORTB &= ~0xFF; \
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DDRB &= ~0x80; \
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PORTB &= ~0x80; \
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} while (0)
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*/
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#elif defined(__AVR_ATmega328P__)
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@ -195,16 +213,21 @@ uint8_t matrix_scan(void)
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uint8_t last = TIMER_RAW;
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KEY_ENABLE();
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// Wait for KEY_STATE outputs its value.
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// 1us was ok on one HHKB, but not worked on another.
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// no wait doesn't work on Teensy++ with pro(1us works)
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// no wait does work on tmk PCB(8MHz) with pro2
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// 1us wait does work on both of above
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// 1us wait doesn't work on tmk(16MHz)
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// 5us wait does work on tmk(16MHz)
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// 5us wait does work on tmk(16MHz/2)
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// 5us wait does work on tmk(8MHz)
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// 10us wait does work on Teensy++ with pro
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// 10us wait does work on 328p+iwrap with pro
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// 10us wait doesn't work on tmk PCB(8MHz) with pro2(very lagged scan)
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_delay_us(1);
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// _delay_us(10);
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_delay_us(5);
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if (KEY_STATE()) {
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matrix[row] &= ~(1<<col);
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} else {
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