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rp2040: Initial support for CANbus

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Add support for CANbus on the rp2040 using the can2040 "software
canbus" implementation.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor
2022-05-23 01:04:32 -04:00
parent f10fd7c2fa
commit a831254e83
4 changed files with 104 additions and 7 deletions
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7
src/rp2040/Makefile
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@@ -3,10 +3,10 @@
# Setup the toolchain
CROSS_PREFIX=arm-none-eabi-
dirs-y += src/rp2040 src/generic lib/rp2040/elf2uf2
dirs-y += src/rp2040 src/generic lib/rp2040/elf2uf2 lib/fast-hash lib/can2040
CFLAGS += -mcpu=cortex-m0plus -mthumb -Ilib/cmsis-core
CFLAGS += -Ilib/rp2040 -Ilib/rp2040/cmsis_include
CFLAGS += -Ilib/rp2040 -Ilib/rp2040/cmsis_include -Ilib/fast-hash -Ilib/can2040
CFLAGS_klipper.elf += --specs=nano.specs --specs=nosys.specs
CFLAGS_klipper.elf += -T $(OUT)src/rp2040/rp2040_link.ld
@@ -19,6 +19,9 @@ src-y += generic/timer_irq.c rp2040/timer.c rp2040/bootrom.c
src-$(CONFIG_USBSERIAL) += rp2040/usbserial.c generic/usb_cdc.c
src-$(CONFIG_USBSERIAL) += rp2040/chipid.c
src-$(CONFIG_SERIAL) += rp2040/serial.c generic/serial_irq.c
src-$(CONFIG_CANSERIAL) += rp2040/can.c rp2040/chipid.c ../lib/can2040/can2040.c
src-$(CONFIG_CANSERIAL) += generic/canserial.c generic/canbus.c
src-$(CONFIG_CANSERIAL) += ../lib/fast-hash/fasthash.c
src-$(CONFIG_HAVE_GPIO_HARD_PWM) += rp2040/hard_pwm.c
src-$(CONFIG_HAVE_GPIO_SPI) += rp2040/spi.c
src-$(CONFIG_HAVE_GPIO_I2C) += rp2040/i2c.c