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Add some defaults for ATmega32A to mcu_selection.mk (#6253)

* Add some defaults for ATmega32A to mcu_selection.mk

* Remove boilerplate from templates

* Relax INTERRUPT_CONTROL_ENDPOINT and PROGRAM_CMD

* Apply suggestions from code review

Co-Authored-By: Drashna Jaelre <drashna@live.com>
This commit is contained in:
fauxpark 2019-08-09 07:09:54 +10:00 committed by Drashna Jaelre
parent 2f6c068e0d
commit 405dea01be
3 changed files with 24 additions and 49 deletions

View file

@ -1,4 +1,3 @@
ifneq ($(findstring STM32F303, $(MCU)),)
## chip/board settings
# - the next two should match the directories in
@ -54,7 +53,7 @@ ifneq (,$(filter $(MCU),atmega32u4 at90usb1286))
# LUFA specific
#
# Target architecture (see library "Board Types" documentation).
ARCH ?= AVR8
ARCH = AVR8
# Input clock frequency.
# This will define a symbol, F_USB, in all source code files equal to the
@ -68,4 +67,27 @@ ifneq (,$(filter $(MCU),atmega32u4 at90usb1286))
# If no clock division is performed on the input clock inside the AVR (via the
# CPU clock adjust registers or the clock division fuses), this will be equal to F_CPU.
F_USB ?= $(F_CPU)
# Interrupt driven control endpoint task
ifeq (,$(filter $(NO_INTERRUPT_CONTROL_ENDPOINT),yes))
OPT_DEFS += -DINTERRUPT_CONTROL_ENDPOINT
endif
endif
ifneq (,$(filter $(MCU),atmega32a))
PROTOCOL = VUSB
# Processor frequency.
# This will define a symbol, F_CPU, in all source code files equal to the
# processor frequency in Hz. You can then use this symbol in your source code to
# calculate timings. Do NOT tack on a 'UL' at the end, this will be done
# automatically to create a 32-bit value in your source code.
F_CPU ?= 12000000
# unsupported features for now
NO_UART ?= yes
NO_SUSPEND_POWER_DOWN ?= yes
# Programming options
PROGRAM_CMD ?= ./util/atmega32a_program.py $(TARGET).hex
endif

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@ -1,42 +1,6 @@
# MCU name
MCU = atmega32u4
# Processor frequency.
# This will define a symbol, F_CPU, in all source code files equal to the
# processor frequency in Hz. You can then use this symbol in your source code to
# calculate timings. Do NOT tack on a 'UL' at the end, this will be done
# automatically to create a 32-bit value in your source code.
#
# This will be an integer division of F_USB below, as it is sourced by
# F_USB after it has run through any CPU prescalers. Note that this value
# does not *change* the processor frequency - it should merely be updated to
# reflect the processor speed set externally so that the code can use accurate
# software delays.
F_CPU = 16000000
#
# LUFA specific
#
# Target architecture (see library "Board Types" documentation).
ARCH = AVR8
# Input clock frequency.
# This will define a symbol, F_USB, in all source code files equal to the
# input clock frequency (before any prescaling is performed) in Hz. This value may
# differ from F_CPU if prescaling is used on the latter, and is required as the
# raw input clock is fed directly to the PLL sections of the AVR for high speed
# clock generation for the USB and other AVR subsections. Do NOT tack on a 'UL'
# at the end, this will be done automatically to create a 32-bit value in your
# source code.
#
# If no clock division is performed on the input clock inside the AVR (via the
# CPU clock adjust registers or the clock division fuses), this will be equal to F_CPU.
F_USB = $(F_CPU)
# Interrupt driven control endpoint task(+60)
OPT_DEFS += -DINTERRUPT_CONTROL_ENDPOINT
# Bootloader selection
# Teensy halfkay

View file

@ -1,13 +1,5 @@
# MCU name
MCU = atmega32a
PROTOCOL = VUSB
# unsupported features for now
NO_UART = yes
NO_SUSPEND_POWER_DOWN = yes
# processor frequency
F_CPU = 12000000
# Bootloader
# This definition is optional, and if your keyboard supports multiple bootloaders of
@ -28,6 +20,3 @@ RGBLIGHT_CUSTOM_DRIVER = yes
OPT_DEFS = -DDEBUG_LEVEL=0
SRC += i2c_master.c
# programming options
PROGRAM_CMD = ./util/atmega32a_program.py $(TARGET).hex