diff options
Diffstat (limited to 'firmware/bootloaderconfig.h')
| -rw-r--r-- | firmware/bootloaderconfig.h | 74 |
1 files changed, 36 insertions, 38 deletions
diff --git a/firmware/bootloaderconfig.h b/firmware/bootloaderconfig.h index 366994d..3133368 100644 --- a/firmware/bootloaderconfig.h +++ b/firmware/bootloaderconfig.h @@ -44,11 +44,11 @@ names BOOTLOADER_INIT and BOOTLOADER_CONDITION for this functionality. If these macros are defined, the boot loader uses them. */ -#define TINY85_HARDWARE_CONFIG_1 1 -#define TINY85_HARDWARE_CONFIG_2 2 +#define TINY85_HARDWARE_CONFIG_1 1 +#define TINY85_HARDWARE_CONFIG_2 2 /* ---------------------------- Hardware Config ---------------------------- */ -#define HARDWARE_CONFIG TINY85_HARDWARE_CONFIG_2 +#define HARDWARE_CONFIG TINY85_HARDWARE_CONFIG_2 #define USB_CFG_IOPORTNAME B /* This is the port where the USB bus is connected. When you configure it to @@ -56,11 +56,11 @@ these macros are defined, the boot loader uses them. */ #ifndef __AVR_ATtiny85__ -# define USB_CFG_DMINUS_BIT 0 +# define USB_CFG_DMINUS_BIT 0 /* This is the bit number in USB_CFG_IOPORT where the USB D- line is connected. * This may be any bit in the port. */ -# define USB_CFG_DPLUS_BIT 2 +# define USB_CFG_DPLUS_BIT 2 /* This is the bit number in USB_CFG_IOPORT where the USB D+ line is connected. * This may be any bit in the port. Please note that D+ must also be connected * to interrupt pin INT0! @@ -68,22 +68,22 @@ these macros are defined, the boot loader uses them. #endif #if (defined __AVR_ATtiny85__) && (HARDWARE_CONFIG == TINY85_HARDWARE_CONFIG_1) -# define USB_CFG_DMINUS_BIT 0 +# define USB_CFG_DMINUS_BIT 0 /* This is the bit number in USB_CFG_IOPORT where the USB D- line is connected. * This may be any bit in the port. */ -# define USB_CFG_DPLUS_BIT 2 +# define USB_CFG_DPLUS_BIT 2 /* This is the bit number in USB_CFG_IOPORT where the USB D+ line is connected. * This may be any bit in the port, but must be configured as a pin change interrupt. */ #endif #if (defined __AVR_ATtiny85__) && (HARDWARE_CONFIG == TINY85_HARDWARE_CONFIG_2) -# define USB_CFG_DMINUS_BIT 3 +# define USB_CFG_DMINUS_BIT 3 /* This is the bit number in USB_CFG_IOPORT where the USB D- line is connected. * This may be any bit in the port. */ -# define USB_CFG_DPLUS_BIT 4 +# define USB_CFG_DPLUS_BIT 4 /* This is the bit number in USB_CFG_IOPORT where the USB D+ line is connected. * This may be any bit in the port, but must be configured as a pin change interrupt. */ @@ -218,36 +218,34 @@ these macros are defined, the boot loader uses them. //#define SET_CLOCK_PRESCALER _BV(CLKPS0) /* divide by 2 for 8mhz */ #ifdef BUILD_JUMPER_MODE - #define START_JUMPER_PIN 5 - #define digitalRead(pin) (PINB & _BV(pin)) - #define bootLoaderStartCondition() (!digitalRead(START_JUMPER_PIN)) - #define bootLoaderCondition() 1 - - #ifndef __ASSEMBLER__ /* assembler cannot parse function definitions */ - static inline void bootLoaderInit(void) { - // DeuxVis pin-5 pullup - DDRB |= _BV(START_JUMPER_PIN); // is an input - PORTB |= _BV(START_JUMPER_PIN); // has pullup enabled - _delay_ms(10); - } - static inline void bootLoaderExit(void) { - // DeuxVis pin-5 pullup - PORTB = 0; - DDRB = 0; - } - #endif /* __ASSEMBLER__ */ + #define START_JUMPER_PIN 5 + #define digitalRead(pin) (PINB & _BV(pin)) + #define bootLoaderStartCondition() (!digitalRead(START_JUMPER_PIN)) + #define bootLoaderCondition() 1 + + #ifndef __ASSEMBLER__ /* assembler cannot parse function definitions */ + static inline void bootLoaderInit(void) { + // DeuxVis pin-5 pullup + PORTB |= _BV(START_JUMPER_PIN); // has pullup enabled + _delay_ms(10); + } + static inline void bootLoaderExit(void) { + // DeuxVis pin-5 pullup + PORTB = 0; + } + #endif /* __ASSEMBLER__ */ #else - #define bootLoaderInit() - #define bootLoaderExit() - #define bootLoaderCondition() (idlePolls < (AUTO_EXIT_MS * 10UL)) - #if LOW_POWER_MODE - // only starts bootloader if USB D- is pulled high on startup - by putting your pullup in to an external connector - // you can avoid ever entering an out of spec clock speed or waiting on bootloader when that pullup isn't there - #define bootLoaderStartCondition() \ - (PINB & (_BV(USB_CFG_DMINUS_BIT) | _BV(USB_CFG_DMINUS_BIT))) == _BV(USB_CFG_DMINUS_BIT) - #else - #define bootLoaderStartCondition() 1 - #endif + #define bootLoaderInit() + #define bootLoaderExit() + #define bootLoaderCondition() (idlePolls < (AUTO_EXIT_MS * 10UL)) + #if LOW_POWER_MODE + // only starts bootloader if USB D- is pulled high on startup - by putting your pullup in to an external connector + // you can avoid ever entering an out of spec clock speed or waiting on bootloader when that pullup isn't there + #define bootLoaderStartCondition() \ + (PINB & (_BV(USB_CFG_DMINUS_BIT) | _BV(USB_CFG_DMINUS_BIT))) == _BV(USB_CFG_DMINUS_BIT) + #else + #define bootLoaderStartCondition() 1 + #endif #endif /* ----------------------- Optional MCU Description ------------------------ */ |