diff options
Diffstat (limited to 'cpukit/score/cpu/avr/avr/common.h')
| -rw-r--r-- | cpukit/score/cpu/avr/avr/common.h | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/cpukit/score/cpu/avr/avr/common.h b/cpukit/score/cpu/avr/avr/common.h index ab464ab1b8..1df2bf7e72 100644 --- a/cpukit/score/cpu/avr/avr/common.h +++ b/cpukit/score/cpu/avr/avr/common.h @@ -36,9 +36,9 @@ #include <avr/sfr_defs.h> -/* -This purpose of this header is to define registers that have not been -previously defined in the individual device IO header files, and to define +/* +This purpose of this header is to define registers that have not been +previously defined in the individual device IO header files, and to define other symbols that are common across AVR device families. This file is designed to be included in <avr/io.h> after the individual @@ -48,7 +48,7 @@ device IO header files, and after <avr/sfr_defs.h> /*------------ Registers Not Previously Defined ------------*/ -/* +/* These are registers that are not previously defined in the individual IO header files, OR they are defined here because they are used in parts of avr-libc even if a device is not selected but a general architecture has @@ -59,7 +59,7 @@ been selected. /* Stack pointer register. -AVR architecture 1 has no RAM, thus no stack pointer. +AVR architecture 1 has no RAM, thus no stack pointer. All other architectures do have a stack pointer. Some devices have only less than 256 bytes of possible RAM locations (128 Bytes of SRAM @@ -76,7 +76,7 @@ for them. # ifndef SP # define SP _SFR_MEM16(0x3D) # endif -#elif __AVR_ARCH__ != 1 +#elif __AVR_ARCH__ != 1 # ifndef SPL # define SPL _SFR_IO8(0x3D) # endif @@ -193,7 +193,7 @@ keep the EEPROM-related definitions here. /*------------ Common Symbols ------------*/ -/* +/* Generic definitions for registers that are common across multiple AVR devices and families. */ |