hwa/atmegax8__fuses_8h_source.html

/* This file is part of the HWA project.

 * Copyright (c) 2020 Christophe Duparquet.

 * All rights reserved. Read LICENSE.TXT for details.

 */


/*  FIXME: there's a problem with avrdude reading/writing unprogrammed fuses of

 *  extended byte as 0 instead of 1.

 */

#define HW_DEVICE_FUSE_EB                       \

  /* 0xF8 | */                                  \

  HW_DEVICE_FUSE_BODLEVEL


#define HW_DEVICE_FUSE_HB                       \

  HW_DEVICE_FUSE_RSTDISBL<<7 |                  \

  HW_DEVICE_FUSE_DWEN<<6 |                      \

  HW_DEVICE_FUSE_SPIEN<<5 |                     \

  HW_DEVICE_FUSE_WDTON<<4 |                     \

  HW_DEVICE_FUSE_EESAVE<<3 |                    \

  HW_DEVICE_FUSE_BOOTSZ<<1 |                    \

  HW_DEVICE_FUSE_BOOTRST


#define HW_DEVICE_FUSE_LB                       \

  HW_DEVICE_FUSE_CKDIV8<<7 |                    \

  HW_DEVICE_FUSE_CKOUT<<6 |                     \

  HW_DEVICE_FUSE_SUT10<<4 |                     \

  HW_DEVICE_FUSE_CKSEL31<<1 |                   \

  HW_DEVICE_FUSE_CKSEL0


#if !defined HW_DEVICE_BOOTSECTION_SIZE

#  define HW_DEVICE_BOOTSECTION_SIZE                    4096

#endif


#ifndef HW_DEVICE_CLK_SRC

#  define HW_DEVICE_CLK_SRC                     rc_8MHz

#  define HW_DEVICE_CLK_SRC_HZ                  8000000

#endif


#if defined DOXYGEN

#  define HW_DEVICE_STARTUP_DELAYS

#endif


#if !defined HW_DEVICE_CLOCK_OUTPUT

#  define HW_DEVICE_CLOCK_OUTPUT                        disabled

#endif


#if !defined HW_DEVICE_EXTERNAL_RESET

#  define HW_DEVICE_EXTERNAL_RESET                      enabled

#endif


#if !defined HW_DEVICE_DEBUG_WIRE

#  define HW_DEVICE_DEBUG_WIRE                          disabled

#endif


#if !defined HW_DEVICE_SERIAL_PROGRAMMING

#  define HW_DEVICE_SERIAL_PROGRAMMING                  enabled

#endif


#if !defined HW_DEVICE_WATCHDOG_ALWAYS_ON

#  define HW_DEVICE_WATCHDOG_ALWAYS_ON                  no

#endif


#if !defined HW_DEVICE_PRESERVE_EEPROM_THROUGH_CHIP_ERASE

#  define HW_DEVICE_PRESERVE_EEPROM_THROUGH_CHIP_ERASE  no

#endif


#if !defined HW_DEVICE_BROWNOUT_DETECTION

#  define HW_DEVICE_BROWNOUT_DETECTION                  off

#endif


#if !defined HW_DEVICE_BOOT

#  define HW_DEVICE_BOOT                                application

#endif


#if HW_DEVICE_BOOTSECTION_SIZE == 512

#  define HW_DEVICE_FUSE_BOOTSZ                 3

#elif HW_DEVICE_BOOTSECTION_SIZE == 1024

#  define HW_DEVICE_FUSE_BOOTSZ                 2

#elif HW_DEVICE_BOOTSECTION_SIZE == 2048

#  define HW_DEVICE_FUSE_BOOTSZ                 1

#elif HW_DEVICE_BOOTSECTION_SIZE == 4096

#  define HW_DEVICE_FUSE_BOOTSZ                 0

#else

#  error HW_EM_VSL(HW_DEVICE_BOOTSECTION_SIZE, (512, 1024, 2048, 4096))

#endif


#ifndef HW_DEVICE_CLK_SRC_HZ

#  define HW_DEVICE_CLK_SRC_HZ

#endif


#define _hw_is_rc_8MHz_rc_8MHz                  , 1

#define _hw_is_rc_128kHz_rc_128kHz              , 1

#define _hw_is_low_freq_xosc_low_freq_xosc      , 1

#define _hw_is_low_power_xosc_low_power_xosc    , 1

#define _hw_is_full_swing_xosc_full_swing_xosc  , 1


#if HW_IS(external,HW_DEVICE_CLK_SRC)

#  define HW_DEVICE_FUSE_CKSEL31                0

#  define HW_DEVICE_FUSE_CKSEL0                 0

#  define HW_NC_PB6                             1

#elif HW_IS(rc_8MHz,HW_DEVICE_CLK_SRC)

#  define HW_DEVICE_FUSE_CKSEL31                1

#  define HW_DEVICE_FUSE_CKSEL0                 0

#  define hw_syshz_base                         8000000

#elif HW_IS(rc_128kHz,HW_DEVICE_CLK_SRC)

#  define HW_DEVICE_FUSE_CKSEL31                1

#  define HW_DEVICE_FUSE_CKSEL0                 1

#  define hw_syshz_base                         128000

#elif HW_IS(HW_DEVICE_CLK_SRC, low_freq_xosc)

#  define hw_syshz_base                         HW_DEVICE_CLK_SRC_HZ

#  define HW_DEVICE_FUSE_CKSEL31                2

#  define HW_NC_PB6                             1

#  define HW_NC_PB7                             1

#elif HW_IS(HW_DEVICE_CLK_SRC, low_power_xosc)

#  define hw_syshz_base                         HW_DEVICE_CLK_SRC_HZ

#  if HW_DEVICE_CLK_SRC_HZ < 900000

#    define HW_DEVICE_FUSE_CKSEL31              4

#  elif HW_DEVICE_CLK_SRC_HZ < 3000000

#    define HW_DEVICE_FUSE_CKSEL31              5

#  elif HW_DEVICE_CLK_SRC_HZ < 8000000

#    define HW_DEVICE_FUSE_CKSEL31              6

#  else

#    define HW_DEVICE_FUSE_CKSEL31              7

#  endif

#  define HW_NC_PB6                             1

#  define HW_NC_PB7                             1

#elif HW_IS(HW_DEVICE_CLK_SRC, full_swing_xosc)

#  ifndef HW_DEVICE_CLK_SRC_HZ

#    error HW_DEVICE_CLK_SRC_HZ must be defined as the frequency of the crystal used for clocking

#  else

#    define hw_syshz_base                       HW_DEVICE_CLK_SRC_HZ

#    define HW_DEVICE_FUSE_CKSEL31              3

#  endif

#  define HW_NC_PB6                             1

#  define HW_NC_PB7                             1

#else

#  error HW_DEVICE_CLK_SRC can be `rc_8MHz`, `rc_128kHz`, `low_freq_xosc`, `low_power_xosc`, `full_swing_xosc`, or `external`.

#endif


/*  Check that we have a valid hw_syshz_base

 */

#if HW_IS(,hw_syshz_base)

#  error HW_DEVICE_CLK_SRC_HZ must be defined as the frequency of the crystal used for clocking

#endif


#if !defined HW_DEVICE_CLK_PSC

#  define HW_DEVICE_CLK_PSC                             8

#endif


#if HW_DEVICE_CLK_PSC == 8

#  define HW_DEVICE_FUSE_CKDIV8                         0

#  define HW_SYSHZ                                      hw_syshz_base/8

#elif HW_DEVICE_CLK_PSC == 1

#  define HW_DEVICE_FUSE_CKDIV8                         1

#  define HW_SYSHZ                                      hw_syshz_base

#else

#  error HW_EM_VAL(HW_DEVICE_CLK_PSC,HW_DEVICE_CLK_PSC,(1,8))

#endif


#define _hw_is_4CK_4CK                                  , 1

#define _hw_is_4CK_4ms_4CK_4ms                          , 1

#define _hw_is_4CK_64ms_4CK_64ms                        , 1

#define _hw_is_6CK_14CK_6CK_14CK                        , 1

#define _hw_is_6CK_14CK_4ms_6CK_14CK_4ms                , 1

#define _hw_is_6CK_14CK_64ms_6CK_14CK_64ms              , 1

#define _hw_is_258CK_14CK_4ms_258CK_14CK_4ms            , 1

#define _hw_is_258CK_14CK_64ms_258CK_14CK_64ms          , 1

#define _hw_is_1KCK_4ms_1KCK_4ms                        , 1

#define _hw_is_1KCK_64ms_1KCK_64ms                      , 1

#define _hw_is_1KCK_14CK_1KCK_14CK                      , 1

#define _hw_is_1KCK_14CK_4ms_1KCK_14CK_4ms              , 1

#define _hw_is_1KCK_14CK_64ms_1KCK_14CK_64ms            , 1

#define _hw_is_16KCK_14CK_16KCK_14CK                    , 1

#define _hw_is_16KCK_14CK_4ms_16KCK_14CK_4ms            , 1

#define _hw_is_16KCK_14CK_64ms_16KCK_14CK_64ms          , 1

#define _hw_is_32KCK_64ms_32KCK_64ms                    , 1


#if defined HW_DEVICE_STARTUP_DELAYS

#  if HW_DEVICE_FUSE_CKSEL31 < 2

#    define HW_DEVICE_FUSE_CKSEL0                               0

#    if HW_IS(HW_DEVICE_STARTUP_DELAYS, 6CK_14CK)

#      define HW_DEVICE_FUSE_SUT10                              0

#    elif HW_IS(HW_DEVICE_STARTUP_DELAYS, 6CK_14CK_4ms)

#      define HW_DEVICE_FUSE_SUT10                              1

#    elif HW_IS(HW_DEVICE_STARTUP_DELAYS, 6CK_14CK_64ms)

#      define HW_DEVICE_FUSE_SUT10                              2

#    else

#      error HW_EM_VSL(HW_DEVICE_STARTUP_DELAYS, (6CK_14CK, 6CK_14CK_4ms, 6CK_14CK_64ms))

#    endif

#  elif HW_DEVICE_FUSE_CKSEL31 == 2

#    if HW_IS(HW_DEVICE_STARTUP_DELAYS, 4CK)

#      define HW_DEVICE_FUSE_SUT10                              0

#    elif HW_IS(HW_DEVICE_STARTUP_DELAYS, 4CK_4ms)

#      define HW_DEVICE_FUSE_SUT10                              1

#    elif HW_IS(HW_DEVICE_STARTUP_DELAYS, 4CK_64ms)

#      define HW_DEVICE_FUSE_SUT10                              2

#    else

#      error HW_EM_VSL(HW_DEVICE_STARTUP_DELAYS, (4CK, 4CK_4ms, 4CK_64ms))

#    endif

#  else

#    if HW_IS(HW_DEVICE_STARTUP_DELAYS, 258CK_14CK_4ms)

#      define HW_DEVICE_FUSE_CKSEL0                             0

#      define HW_DEVICE_FUSE_SUT10                              0

#    elif HW_IS(HW_DEVICE_STARTUP_DELAYS, 258CK_14CK_64ms)

#      define HW_DEVICE_FUSE_CKSEL0                             0

#      define HW_DEVICE_FUSE_SUT10                              1

#    elif HW_IS(HW_DEVICE_STARTUP_DELAYS, 1KCK_14CK)

#      define HW_DEVICE_FUSE_CKSEL0                             0

#      define HW_DEVICE_FUSE_SUT10                              2

#    elif HW_IS(HW_DEVICE_STARTUP_DELAYS, 1KCK_14CK_4ms)

#      define HW_DEVICE_FUSE_CKSEL0                             0

#      define HW_DEVICE_FUSE_SUT10                              3

#    elif HW_IS(HW_DEVICE_STARTUP_DELAYS, 1KCK_14CK_64ms)

#      define HW_DEVICE_FUSE_CKSEL0                             1

#      define HW_DEVICE_FUSE_SUT10                              0

#    elif HW_IS(HW_DEVICE_STARTUP_DELAYS, 16KCK_14CK)

#      define HW_DEVICE_FUSE_CKSEL0                             1

#      define HW_DEVICE_FUSE_SUT10                              1

#    elif HW_IS(HW_DEVICE_STARTUP_DELAYS, 16KCK_14CK_4ms)

#      define HW_DEVICE_FUSE_CKSEL0                             1

#      define HW_DEVICE_FUSE_SUT10                              2

#    elif HW_IS(HW_DEVICE_STARTUP_DELAYS, 16KCK_14CK_64ms)

#      define HW_DEVICE_FUSE_CKSEL0                             1

#      define HW_DEVICE_FUSE_SUT10                              3

#    else

#      error HW_EM_VSL(HW_DEVICE_STARTUP_DELAYS, (258CK_14CK_4ms, 258CK_14CK_64ms, 1KCK_14CK, \

                                                  1KCK_14CK_4ms, 1KCK_14CK_64ms, 16KCK_14CK, \

                                                  16KCK_14CK_4ms, 16KCK_14CK_64ms))

#    endif

#  endif

#else

#  define HW_DEVICE_FUSE_SUT10                          2

#endif


#if HW_IS(HW_DEVICE_CLOCK_OUTPUT, enabled)

#  define HW_DEVICE_FUSE_CKOUT                          0

#  define HW_NC_PB0                                     1

#elif HW_IS(HW_DEVICE_CLOCK_OUTPUT, disabled)

#  define HW_DEVICE_FUSE_CKOUT                          1

#else

#  error HW_EM_VSL(HW_DEVICE_EXTERNAL_RESET, (enabled, disabled))

#endif


#if HW_IS(HW_DEVICE_EXTERNAL_RESET, enabled)

#  define HW_DEVICE_FUSE_RSTDISBL                       1

#  define HW_NC_PC6                                     1

#elif HW_IS(HW_DEVICE_EXTERNAL_RESET, disabled)

#  define HW_DEVICE_FUSE_RSTDISBL                       0

#else

#  error HW_EM_VSL(HW_DEVICE_EXTERNAL_RESET, (enabled, disabled))

#endif


#if HW_IS(HW_DEVICE_DEBUG_WIRE, enabled)

#  define HW_DEVICE_FUSE_DWEN                           0

#  define HW_NC_PC6                                     1

#elif HW_IS(HW_DEVICE_DEBUG_WIRE, disabled)

#  define HW_DEVICE_FUSE_DWEN                           1

#else

#  error HW_EM_VSL(HW_DEVICE_DEBUG_WIRE, (enabled, disabled))

#endif


#if HW_IS(HW_DEVICE_SERIAL_PROGRAMMING, enabled)

#  define HW_DEVICE_FUSE_SPIEN                          0

#elif HW_IS(HW_DEVICE_SERIAL_PROGRAMMING, disabled)

#  define HW_DEVICE_FUSE_SPIEN                          1

#else

#  error HW_EM_VSL(HW_DEVICE_SERIAL_PROGRAMMING, (enabled, disabled))

#endif


#define _hw_is_1700_2000mV_1700_2000mV                  , 1

#define _hw_is_2500_2900mV_2500_2900mV                  , 1

#define _hw_is_4100_4500mV_4100_4500mV                  , 1


#if HW_IS(HW_DEVICE_BROWNOUT_DETECTION, off)

#  define HW_DEVICE_FUSE_BODLEVEL                       7

#elif HW_IS(HW_DEVICE_BROWNOUT_DETECTION, 1700_2000mV)

#  define HW_DEVICE_FUSE_BODLEVEL                       6

#elif HW_IS(HW_DEVICE_BROWNOUT_DETECTION, 2500_2900mV)

#  define HW_DEVICE_FUSE_BODLEVEL                       5

#elif HW_IS(HW_DEVICE_BROWNOUT_DETECTION, 4100_4500mV)

#  define HW_DEVICE_FUSE_BODLEVEL                       4

#else

#  error HW_EM_VSL(HW_DEVICE_BROWNOUT_DETECTION, (1700_2000mV, 2500_2900mV, 4100_4500mV, off))

#endif


#define _hw_is_application_application  , 1

#define _hw_is_bootloader_bootloader    , 1


#if HW_IS(HW_DEVICE_WATCHDOG_ALWAYS_ON, yes)

#  define HW_DEVICE_FUSE_WDTON                          0

#elif HW_IS(HW_DEVICE_WATCHDOG_ALWAYS_ON, no)

#  define HW_DEVICE_FUSE_WDTON                          1

#else

#  error HW_EM_VSL(HW_DEVICE_WATCHDOG_ALWAYS_ON, (yes, no))

#endif


#if HW_IS(HW_DEVICE_PRESERVE_EEPROM_THROUGH_CHIP_ERASE, yes)

#  define HW_DEVICE_FUSE_EESAVE                         0

#elif HW_IS(HW_DEVICE_PRESERVE_EEPROM_THROUGH_CHIP_ERASE, no)

#  define HW_DEVICE_FUSE_EESAVE                         1

#else

#  error HW_EM_VSL(HW_DEVICE_PRESERVE_EEPROM_FROM_CHIP_ERASE, (yes, no))

#endif


#if HW_IS(HW_DEVICE_BOOT, application)

#  define HW_DEVICE_FUSE_BOOTRST                        1

#elif HW_IS(HW_DEVICE_BOOT, bootloader)

#  define HW_DEVICE_FUSE_BOOTRST                        0

#else

#  error HW_EM_VSL(HW_DEVICE_BOOT, (application, bootloader))

#endif