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Kconfig: Add new WANT_HARD_PWM option to reduce code size

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Make it possible to not compile in support for hardware pwm on chips
with small flash sizes.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor 2025-04-09 12:12:19 -04:00
parent 6356e3d35c
commit b0fa36e221
8 changed files with 14 additions and 7 deletions
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7
src/Kconfig
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@ -88,6 +88,10 @@ config USB_SERIAL_NUMBER
endmenu
# Optional features that can be disabled (for devices with small flash sizes)
config WANT_HARD_PWM
bool
depends on HAVE_GPIO_HARD_PWM
default y
config WANT_BUTTONS
bool
depends on HAVE_GPIO
@ -163,6 +167,9 @@ config NEED_SENSOR_BULK
default y
menu "Optional features (to reduce code size)"
depends on HAVE_LIMITED_CODE_SIZE
config WANT_HARD_PWM
bool "Support hardware PWM (pulse width modulation)"
depends on HAVE_GPIO_HARD_PWM
config WANT_BUTTONS
bool "Support GPIO based button reading"
depends on HAVE_GPIO

2
src/Makefile
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@ -7,7 +7,7 @@ src-$(CONFIG_HAVE_GPIO_ADC) += adccmds.c
src-$(CONFIG_HAVE_GPIO_SPI) += spicmds.c
src-$(CONFIG_HAVE_GPIO_SDIO) += sdiocmds.c
src-$(CONFIG_HAVE_GPIO_I2C) += i2ccmds.c
src-$(CONFIG_HAVE_GPIO_HARD_PWM) += pwmcmds.c
src-$(CONFIG_WANT_HARD_PWM) += pwmcmds.c
src-$(CONFIG_WANT_BUTTONS) += buttons.c
src-$(CONFIG_WANT_TMCUART) += tmcuart.c

2
src/atsamd/Makefile
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@ -31,7 +31,7 @@ src-$(CONFIG_HAVE_GPIO_ADC) += atsamd/adc.c
src-$(CONFIG_HAVE_GPIO_I2C) += atsamd/i2c.c
src-$(CONFIG_HAVE_GPIO_SPI) += atsamd/spi.c
src-$(CONFIG_HAVE_SERCOM) += atsamd/sercom.c
src-$(CONFIG_HAVE_GPIO_HARD_PWM) += atsamd/hard_pwm.c
src-$(CONFIG_WANT_HARD_PWM) += atsamd/hard_pwm.c
src-$(CONFIG_MACH_SAMC21) += atsamd/samd51_watchdog.c
src-$(CONFIG_MACH_SAMC21) += atsamd/samc21_clock.c atsamd/timer.c generic/timer_irq.c
src-$(CONFIG_MACH_SAMD21) += atsamd/watchdog.c

2
src/avr/Makefile
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@ -14,7 +14,7 @@ src-$(CONFIG_HAVE_GPIO) += avr/gpio.c
src-$(CONFIG_HAVE_GPIO_ADC) += avr/adc.c
src-$(CONFIG_HAVE_GPIO_SPI) += avr/spi.c
src-$(CONFIG_HAVE_GPIO_I2C) += avr/i2c.c
src-$(CONFIG_HAVE_GPIO_HARD_PWM) += avr/hard_pwm.c
src-$(CONFIG_WANT_HARD_PWM) += avr/hard_pwm.c
src-$(CONFIG_AVR_WATCHDOG) += avr/watchdog.c
src-$(CONFIG_USBSERIAL) += avr/usbserial.c generic/usb_cdc.c
src-$(CONFIG_SERIAL) += avr/serial.c generic/serial_irq.c

2
src/hc32f460/Makefile
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@ -24,7 +24,7 @@ src-y += ../lib/hc32f460/driver/src/hc32f460_gpio.c
src-y += ../lib/hc32f460/driver/src/hc32f460_pwc.c
src-$(CONFIG_HAVE_GPIO_ADC) += hc32f460/adc.c ../lib/hc32f460/driver/src/hc32f460_adc.c
src-$(CONFIG_SERIAL) += hc32f460/serial.c generic/serial_irq.c ../lib/hc32f460/driver/src/hc32f460_usart.c
src-$(CONFIG_HAVE_GPIO_HARD_PWM) += hc32f460/hard_pwm.c ../lib/hc32f460/driver/src/hc32f460_timera.c
src-$(CONFIG_WANT_HARD_PWM) += hc32f460/hard_pwm.c ../lib/hc32f460/driver/src/hc32f460_timera.c
src-y += generic/armcm_boot.c generic/armcm_irq.c generic/armcm_timer.c
src-y += generic/armcm_reset.c generic/crc16_ccitt.c

2
src/lpc176x/Makefile
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@ -22,7 +22,7 @@ src-$(CONFIG_HAVE_GPIO_SPI) += lpc176x/spi.c
src-$(CONFIG_USBSERIAL) += lpc176x/usbserial.c lpc176x/chipid.c
src-$(CONFIG_USBSERIAL) += generic/usb_cdc.c
src-$(CONFIG_SERIAL) += lpc176x/serial.c generic/serial_irq.c
src-$(CONFIG_HAVE_GPIO_HARD_PWM) += lpc176x/hard_pwm.c
src-$(CONFIG_WANT_HARD_PWM) += lpc176x/hard_pwm.c
# Build the additional bin output file
target-y += $(OUT)klipper.bin

2
src/rp2040/Makefile
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@ -28,7 +28,7 @@ src-$(CONFIG_CANSERIAL) += ../lib/fast-hash/fasthash.c
src-$(CONFIG_USBCANBUS) += rp2040/can.c rp2040/chipid.c ../lib/can2040/can2040.c
src-$(CONFIG_USBCANBUS) += generic/canserial.c generic/usb_canbus.c
src-$(CONFIG_USBCANBUS) += ../lib/fast-hash/fasthash.c rp2040/usbserial.c
src-$(CONFIG_HAVE_GPIO_HARD_PWM) += rp2040/hard_pwm.c
src-$(CONFIG_WANT_HARD_PWM) += rp2040/hard_pwm.c
src-$(CONFIG_HAVE_GPIO_SPI) += rp2040/spi.c
src-$(CONFIG_HAVE_GPIO_I2C) += rp2040/i2c.c

2
src/stm32/Makefile
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@ -93,7 +93,7 @@ canbus-src-$(CONFIG_HAVE_STM32_FDCANBUS) += stm32/fdcan.c
src-$(CONFIG_CANSERIAL) += $(canbus-src-y) generic/canbus.c stm32/chipid.c
src-$(CONFIG_USBCANBUS) += $(usb-src-y) $(canbus-src-y)
src-$(CONFIG_USBCANBUS) += stm32/chipid.c generic/usb_canbus.c
src-$(CONFIG_HAVE_GPIO_HARD_PWM) += stm32/hard_pwm.c
src-$(CONFIG_WANT_HARD_PWM) += stm32/hard_pwm.c
# Binary output file rules
target-y += $(OUT)klipper.bin