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Adding 72 MHz clock support for mk20dx256vlh7

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This commit is contained in:
Jacob Alexander 2015-04-20 00:55:58 -07:00
parent a6657c8aed
commit 26b0a7e10d
4 changed files with 40 additions and 16 deletions
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19
Lib/CMake/arm.cmake
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@ -46,26 +46,35 @@ message( "${CHIP}" )
set( MCU "${CHIP}" ) # For loading script compatibility
#| Chip Size Database
#| Chip Size and CPU Frequency Database
#| Processor frequency.
#| Normally the first thing your program should do is set the clock prescaler,
#| so your program will run at the correct speed. You should also set this
#| variable to same clock speed. The _delay_ms() macro uses this, and many
#| examples use this variable to calculate timings. Do not add a "UL" here.
#| MCHCK Based / Kiibohd-dfu
if ( "${CHIP}" MATCHES "mk20dx128vlf5" )
set( SIZE_RAM 16384 )
set( SIZE_FLASH 126976 )
set( F_CPU "48000000" )
#| Kiibohd-dfu
elseif ( "${CHIP}" MATCHES "mk20dx256vlh7" )
set( SIZE_RAM 65536 )
set( SIZE_FLASH 253952 )
set( F_CPU "72000000" )
#| Teensy 3.0
elseif ( "${CHIP}" MATCHES "mk20dx128" )
set( SIZE_RAM 16384 )
set( SIZE_FLASH 131072 )
set( F_CPU "48000000" )
#| Teensy 3.1
elseif ( "${CHIP}" MATCHES "mk20dx256" )
set( SIZE_RAM 65536 )
set( SIZE_FLASH 262144 )
set( F_CPU "48000000" ) # XXX Also supports 72 MHz, but may requires code changes
#| Unknown ARM
else ()
@ -159,14 +168,6 @@ endif()
set( OPT "s" )
#| Processor frequency.
#| Normally the first thing your program should do is set the clock prescaler,
#| so your program will run at the correct speed. You should also set this
#| variable to same clock speed. The _delay_ms() macro uses this, and many
#| examples use this variable to calculate timings. Do not add a "UL" here.
set( F_CPU "48000000" )
#| Dependency Files
#| Compiler flags to generate dependency files.
set( GENDEPFLAGS "-MMD" )