Fix common files for mbed
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tmk
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ee70fe59ee
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e81c70149e
23 changed files with 323 additions and 110 deletions
148
common/avr/bootloader.c
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148
common/avr/bootloader.c
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#include <stdint.h>
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#include <stdbool.h>
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#include <avr/io.h>
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#include <avr/interrupt.h>
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#include <avr/wdt.h>
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#include <util/delay.h>
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#include "bootloader.h"
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#ifdef PROTOCOL_LUFA
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#include <LUFA/Drivers/USB/USB.h>
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#endif
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/* Boot Section Size in *BYTEs*
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* Teensy halfKay 512
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* Teensy++ halfKay 1024
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* Atmel DFU loader 4096
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* LUFA bootloader 4096
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* USBaspLoader 2048
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*/
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#ifndef BOOTLOADER_SIZE
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#warning To use bootloader_jump() you need to define BOOTLOADER_SIZE in config.h.
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#define BOOTLOADER_SIZE 4096
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#endif
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#define FLASH_SIZE (FLASHEND + 1L)
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#define BOOTLOADER_START (FLASH_SIZE - BOOTLOADER_SIZE)
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/*
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* Entering the Bootloader via Software
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* http://www.fourwalledcubicle.com/files/LUFA/Doc/120730/html/_page__software_bootloader_start.html
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*/
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#define BOOTLOADER_RESET_KEY 0xB007B007
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uint32_t reset_key __attribute__ ((section (".noinit")));
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/* initialize MCU status by watchdog reset */
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void bootloader_jump(void) {
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#ifdef PROTOCOL_LUFA
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USB_Disable();
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cli();
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_delay_ms(2000);
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#endif
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#ifdef PROTOCOL_PJRC
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cli();
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UDCON = 1;
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USBCON = (1<<FRZCLK);
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UCSR1B = 0;
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_delay_ms(5);
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#endif
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// watchdog reset
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reset_key = BOOTLOADER_RESET_KEY;
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wdt_enable(WDTO_250MS);
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for (;;);
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}
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/* this runs before main() */
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void bootloader_jump_after_watchdog_reset(void) __attribute__ ((used, naked, section (".init3")));
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void bootloader_jump_after_watchdog_reset(void)
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{
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if ((MCUSR & (1<<WDRF)) && reset_key == BOOTLOADER_RESET_KEY) {
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reset_key = 0;
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// My custom USBasploader requires this to come up.
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MCUSR = 0;
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// Seems like Teensy halfkay loader requires clearing WDRF and disabling watchdog.
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MCUSR &= ~(1<<WDRF);
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wdt_disable();
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// This is compled into 'icall', address should be in word unit, not byte.
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((void (*)(void))(BOOTLOADER_START/2))();
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}
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}
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#if 0
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/* Jumping To The Bootloader
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* http://www.pjrc.com/teensy/jump_to_bootloader.html
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*
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* This method doen't work when using LUFA. idk why.
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* - needs to initialize more regisers or interrupt setting?
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*/
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void bootloader_jump(void) {
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#ifdef PROTOCOL_LUFA
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USB_Disable();
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cli();
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_delay_ms(2000);
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#endif
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#ifdef PROTOCOL_PJRC
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cli();
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UDCON = 1;
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USBCON = (1<<FRZCLK);
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UCSR1B = 0;
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_delay_ms(5);
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#endif
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/*
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* Initialize
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*/
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#if defined(__AVR_AT90USB162__)
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EIMSK = 0; PCICR = 0; SPCR = 0; ACSR = 0; EECR = 0;
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TIMSK0 = 0; TIMSK1 = 0; UCSR1B = 0;
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DDRB = 0; DDRC = 0; DDRD = 0;
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PORTB = 0; PORTC = 0; PORTD = 0;
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#elif defined(__AVR_ATmega32U4__)
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EIMSK = 0; PCICR = 0; SPCR = 0; ACSR = 0; EECR = 0; ADCSRA = 0;
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TIMSK0 = 0; TIMSK1 = 0; TIMSK3 = 0; TIMSK4 = 0; UCSR1B = 0; TWCR = 0;
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DDRB = 0; DDRC = 0; DDRD = 0; DDRE = 0; DDRF = 0; TWCR = 0;
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PORTB = 0; PORTC = 0; PORTD = 0; PORTE = 0; PORTF = 0;
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#elif defined(__AVR_AT90USB646__)
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EIMSK = 0; PCICR = 0; SPCR = 0; ACSR = 0; EECR = 0; ADCSRA = 0;
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TIMSK0 = 0; TIMSK1 = 0; TIMSK2 = 0; TIMSK3 = 0; UCSR1B = 0; TWCR = 0;
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DDRA = 0; DDRB = 0; DDRC = 0; DDRD = 0; DDRE = 0; DDRF = 0;
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PORTA = 0; PORTB = 0; PORTC = 0; PORTD = 0; PORTE = 0; PORTF = 0;
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#elif defined(__AVR_AT90USB1286__)
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EIMSK = 0; PCICR = 0; SPCR = 0; ACSR = 0; EECR = 0; ADCSRA = 0;
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TIMSK0 = 0; TIMSK1 = 0; TIMSK2 = 0; TIMSK3 = 0; UCSR1B = 0; TWCR = 0;
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DDRA = 0; DDRB = 0; DDRC = 0; DDRD = 0; DDRE = 0; DDRF = 0;
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PORTA = 0; PORTB = 0; PORTC = 0; PORTD = 0; PORTE = 0; PORTF = 0;
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#endif
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/*
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* USBaspLoader
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*/
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#if defined(__AVR_ATmega168__) || defined(__AVR_ATmega168P__) || defined(__AVR_ATmega328P__)
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// This makes custom USBasploader come up.
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MCUSR = 0;
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// initialize ports
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PORTB = 0; PORTC= 0; PORTD = 0;
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DDRB = 0; DDRC= 0; DDRD = 0;
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// disable interrupts
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EIMSK = 0; EECR = 0; SPCR = 0;
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ACSR = 0; SPMCSR = 0; WDTCSR = 0; PCICR = 0;
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TIMSK0 = 0; TIMSK1 = 0; TIMSK2 = 0;
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ADCSRA = 0; TWCR = 0; UCSR0B = 0;
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#endif
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// This is compled into 'icall', address should be in word unit, not byte.
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((void (*)(void))(BOOTLOADER_START/2))();
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}
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#endif
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45
common/avr/eeconfig.c
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45
common/avr/eeconfig.c
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#include <stdint.h>
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#include <stdbool.h>
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#include <avr/eeprom.h>
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#include "eeconfig.h"
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void eeconfig_init(void)
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{
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eeprom_write_word(EECONFIG_MAGIC, EECONFIG_MAGIC_NUMBER);
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eeprom_write_byte(EECONFIG_DEBUG, 0);
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eeprom_write_byte(EECONFIG_DEFAULT_LAYER, 0);
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eeprom_write_byte(EECONFIG_KEYMAP, 0);
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eeprom_write_byte(EECONFIG_MOUSEKEY_ACCEL, 0);
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#ifdef BACKLIGHT_ENABLE
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eeprom_write_byte(EECONFIG_BACKLIGHT, 0);
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#endif
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}
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void eeconfig_enable(void)
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{
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eeprom_write_word(EECONFIG_MAGIC, EECONFIG_MAGIC_NUMBER);
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}
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void eeconfig_disable(void)
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{
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eeprom_write_word(EECONFIG_MAGIC, 0xFFFF);
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}
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bool eeconfig_is_enabled(void)
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{
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return (eeprom_read_word(EECONFIG_MAGIC) == EECONFIG_MAGIC_NUMBER);
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}
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uint8_t eeconfig_read_debug(void) { return eeprom_read_byte(EECONFIG_DEBUG); }
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void eeconfig_write_debug(uint8_t val) { eeprom_write_byte(EECONFIG_DEBUG, val); }
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uint8_t eeconfig_read_default_layer(void) { return eeprom_read_byte(EECONFIG_DEFAULT_LAYER); }
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void eeconfig_write_default_layer(uint8_t val) { eeprom_write_byte(EECONFIG_DEFAULT_LAYER, val); }
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uint8_t eeconfig_read_keymap(void) { return eeprom_read_byte(EECONFIG_KEYMAP); }
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void eeconfig_write_keymap(uint8_t val) { eeprom_write_byte(EECONFIG_KEYMAP, val); }
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#ifdef BACKLIGHT_ENABLE
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uint8_t eeconfig_read_backlight(void) { return eeprom_read_byte(EECONFIG_BACKLIGHT); }
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void eeconfig_write_backlight(uint8_t val) { eeprom_write_byte(EECONFIG_BACKLIGHT, val); }
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#endif
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98
common/avr/suspend.c
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98
common/avr/suspend.c
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@ -0,0 +1,98 @@
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#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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#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_power_down(void)
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{
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#ifdef BACKLIGHT_ENABLE
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backlight_set(0);
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#endif
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#ifndef NO_SUSPEND_POWER_DOWN
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// Enable watchdog to wake from MCU sleep
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cli();
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wdt_reset();
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// Watchdog Interrupt and System Reset Mode
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//wdt_enable(WDTO_1S);
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//WDTCSR |= _BV(WDIE);
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// Watchdog Interrupt Mode
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wdt_intr_enable(WDTO_120MS);
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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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// sleep in power down mode
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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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#endif
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}
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bool suspend_wakeup_condition(void)
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{
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matrix_scan();
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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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/* wakeup from MCU sleep mode */
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/*
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// blink LED
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static uint8_t led_state = 0;
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static uint8_t led_count = 0;
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led_count++;
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if ((led_count & 0x07) == 0) {
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led_set((led_state ^= (1<<USB_LED_CAPS_LOCK)));
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}
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*/
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}
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#endif
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27
common/avr/suspend_avr.h
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27
common/avr/suspend_avr.h
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@ -0,0 +1,27 @@
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#ifndef SUSPEND_AVR_H
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#define SUSPEND_AVR_H
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#include <stdint.h>
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#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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#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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#endif
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