diff options
Diffstat (limited to 'tinyusb/hw/bsp/rp2040')
| -rwxr-xr-x | tinyusb/hw/bsp/rp2040/board.h | 53 | ||||
| -rwxr-xr-x | tinyusb/hw/bsp/rp2040/boards/adafruit_feather_rp2040/board.cmake | 1 | ||||
| -rwxr-xr-x | tinyusb/hw/bsp/rp2040/boards/adafruit_itsybitsy_rp2040/board.cmake | 1 | ||||
| -rwxr-xr-x | tinyusb/hw/bsp/rp2040/boards/adafruit_qtpy_rp2040/board.cmake | 1 | ||||
| -rwxr-xr-x | tinyusb/hw/bsp/rp2040/boards/pico_sdk/board.cmake | 1 | ||||
| -rwxr-xr-x | tinyusb/hw/bsp/rp2040/boards/raspberry_pi_pico/board.cmake | 1 | ||||
| -rwxr-xr-x | tinyusb/hw/bsp/rp2040/family.c | 199 | ||||
| -rwxr-xr-x | tinyusb/hw/bsp/rp2040/family.cmake | 154 | ||||
| -rwxr-xr-x | tinyusb/hw/bsp/rp2040/family.mk | 19 | ||||
| -rwxr-xr-x | tinyusb/hw/bsp/rp2040/pico_sdk_import.cmake | 62 |
10 files changed, 492 insertions, 0 deletions
diff --git a/tinyusb/hw/bsp/rp2040/board.h b/tinyusb/hw/bsp/rp2040/board.h new file mode 100755 index 00000000..237f29dc --- /dev/null +++ b/tinyusb/hw/bsp/rp2040/board.h @@ -0,0 +1,53 @@ +/* + * The MIT License (MIT) + * + * Copyright (c) 2021, Ha Thach (tinyusb.org) + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + * + * This file is part of the TinyUSB stack. + */ + +#ifndef BOARD_H_ +#define BOARD_H_ + +#ifdef __cplusplus + extern "C" { +#endif + +#ifdef PICO_DEFAULT_LED_PIN +#define LED_PIN PICO_DEFAULT_LED_PIN +#define LED_STATE_ON (!(PICO_DEFAULT_LED_PIN_INVERTED)) +#endif + +// Button pin is BOOTSEL which is flash CS pin +#define BUTTON_BOOTSEL +#define BUTTON_STATE_ACTIVE 0 + +#if defined(PICO_DEFAULT_UART_TX_PIN) && defined(PICO_DEFAULT_UART_RX_PIN) && defined(PICO_DEFAULT_UART) +#define UART_DEV PICO_DEFAULT_UART +#define UART_TX_PIN PICO_DEFAULT_UART_TX_PIN +#define UART_RX_PIN PICO_DEFAULT_UART_RX_PIN +#endif + +#ifdef __cplusplus + } +#endif + +#endif /* BOARD_H_ */ diff --git a/tinyusb/hw/bsp/rp2040/boards/adafruit_feather_rp2040/board.cmake b/tinyusb/hw/bsp/rp2040/boards/adafruit_feather_rp2040/board.cmake new file mode 100755 index 00000000..e527a8ce --- /dev/null +++ b/tinyusb/hw/bsp/rp2040/boards/adafruit_feather_rp2040/board.cmake @@ -0,0 +1 @@ +set(PICO_BOARD adafruit_feather_rp2040)
\ No newline at end of file diff --git a/tinyusb/hw/bsp/rp2040/boards/adafruit_itsybitsy_rp2040/board.cmake b/tinyusb/hw/bsp/rp2040/boards/adafruit_itsybitsy_rp2040/board.cmake new file mode 100755 index 00000000..3fd2dd06 --- /dev/null +++ b/tinyusb/hw/bsp/rp2040/boards/adafruit_itsybitsy_rp2040/board.cmake @@ -0,0 +1 @@ +set(PICO_BOARD adafruit_itsybitsy_rp2040)
\ No newline at end of file diff --git a/tinyusb/hw/bsp/rp2040/boards/adafruit_qtpy_rp2040/board.cmake b/tinyusb/hw/bsp/rp2040/boards/adafruit_qtpy_rp2040/board.cmake new file mode 100755 index 00000000..469929c5 --- /dev/null +++ b/tinyusb/hw/bsp/rp2040/boards/adafruit_qtpy_rp2040/board.cmake @@ -0,0 +1 @@ +set(PICO_BOARD adafruit_qtpy_rp2040)
\ No newline at end of file diff --git a/tinyusb/hw/bsp/rp2040/boards/pico_sdk/board.cmake b/tinyusb/hw/bsp/rp2040/boards/pico_sdk/board.cmake new file mode 100755 index 00000000..d57cbe52 --- /dev/null +++ b/tinyusb/hw/bsp/rp2040/boards/pico_sdk/board.cmake @@ -0,0 +1 @@ +# This builds with settings based purely on the current PICO_BOARD set via the SDK diff --git a/tinyusb/hw/bsp/rp2040/boards/raspberry_pi_pico/board.cmake b/tinyusb/hw/bsp/rp2040/boards/raspberry_pi_pico/board.cmake new file mode 100755 index 00000000..8280c835 --- /dev/null +++ b/tinyusb/hw/bsp/rp2040/boards/raspberry_pi_pico/board.cmake @@ -0,0 +1 @@ +set(PICO_BOARD pico)
\ No newline at end of file diff --git a/tinyusb/hw/bsp/rp2040/family.c b/tinyusb/hw/bsp/rp2040/family.c new file mode 100755 index 00000000..10ead277 --- /dev/null +++ b/tinyusb/hw/bsp/rp2040/family.c @@ -0,0 +1,199 @@ +/* + * The MIT License (MIT) + * + * Copyright (c) 2020 Raspberry Pi (Trading) Ltd. + * Copyright (c) 2021, Ha Thach (tinyusb.org) + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + * + * This file is part of the TinyUSB stack. + */ + +#include "pico/stdlib.h" +#include "pico/binary_info.h" +#include "hardware/gpio.h" +#include "hardware/sync.h" +#include "hardware/structs/ioqspi.h" +#include "hardware/structs/sio.h" + +#include "bsp/board.h" +#include "board.h" + +#ifdef BUTTON_BOOTSEL +// This example blinks the Picoboard LED when the BOOTSEL button is pressed. +// +// Picoboard has a button attached to the flash CS pin, which the bootrom +// checks, and jumps straight to the USB bootcode if the button is pressed +// (pulling flash CS low). We can check this pin in by jumping to some code in +// SRAM (so that the XIP interface is not required), floating the flash CS +// pin, and observing whether it is pulled low. +// +// This doesn't work if others are trying to access flash at the same time, +// e.g. XIP streamer, or the other core. +bool __no_inline_not_in_flash_func(get_bootsel_button)() { + const uint CS_PIN_INDEX = 1; + + // Must disable interrupts, as interrupt handlers may be in flash, and we + // are about to temporarily disable flash access! + uint32_t flags = save_and_disable_interrupts(); + + // Set chip select to Hi-Z + hw_write_masked(&ioqspi_hw->io[CS_PIN_INDEX].ctrl, + GPIO_OVERRIDE_LOW << IO_QSPI_GPIO_QSPI_SS_CTRL_OEOVER_LSB, + IO_QSPI_GPIO_QSPI_SS_CTRL_OEOVER_BITS); + + // Note we can't call into any sleep functions in flash right now + for (volatile int i = 0; i < 1000; ++i); + + // The HI GPIO registers in SIO can observe and control the 6 QSPI pins. + // Note the button pulls the pin *low* when pressed. + bool button_state = (sio_hw->gpio_hi_in & (1u << CS_PIN_INDEX)); + + // Need to restore the state of chip select, else we are going to have a + // bad time when we return to code in flash! + hw_write_masked(&ioqspi_hw->io[CS_PIN_INDEX].ctrl, + GPIO_OVERRIDE_NORMAL << IO_QSPI_GPIO_QSPI_SS_CTRL_OEOVER_LSB, + IO_QSPI_GPIO_QSPI_SS_CTRL_OEOVER_BITS); + + restore_interrupts(flags); + + return button_state; +} +#endif + +//------------- Segger RTT retarget -------------// +#if defined(LOGGER_RTT) + +// Logging with RTT +// - If RTT Control Block is not found by 'Auto Detection` try to use 'Search Range` with '0x20000000 0x10000' +// - SWD speed is rather slow around 1000Khz + +#include "pico/stdio/driver.h" +#include "SEGGER_RTT.h" + +static void stdio_rtt_write (const char *buf, int length) +{ + SEGGER_RTT_Write(0, buf, length); +} + +static int stdio_rtt_read (char *buf, int len) +{ + return SEGGER_RTT_Read(0, buf, len); +} + +static stdio_driver_t stdio_rtt = +{ + .out_chars = stdio_rtt_write, + .out_flush = NULL, + .in_chars = stdio_rtt_read +}; + +void stdio_rtt_init(void) +{ + stdio_set_driver_enabled(&stdio_rtt, true); +} + +#endif + +#ifdef UART_DEV +static uart_inst_t *uart_inst; +#endif + +void board_init(void) +{ +#ifdef LED_PIN + bi_decl(bi_1pin_with_name(LED_PIN, "LED")); + gpio_init(LED_PIN); + gpio_set_dir(LED_PIN, GPIO_OUT); +#endif + + // Button +#ifndef BUTTON_BOOTSEL +#endif + +#if defined(UART_DEV) && defined(LIB_PICO_STDIO_UART) + bi_decl(bi_2pins_with_func(UART_TX_PIN, UART_TX_PIN, GPIO_FUNC_UART)); + uart_inst = uart_get_instance(UART_DEV); + stdio_uart_init_full(uart_inst, CFG_BOARD_UART_BAUDRATE, UART_TX_PIN, UART_RX_PIN); +#endif + +#if defined(LOGGER_RTT) + stdio_rtt_init(); +#endif + + // todo probably set up device mode? +#if TUSB_OPT_DEVICE_ENABLED + +#endif + +#if TUSB_OPT_HOST_ENABLED + // set portfunc to host !!! +#endif +} + +//--------------------------------------------------------------------+ +// Board porting API +//--------------------------------------------------------------------+ + +void board_led_write(bool state) +{ +#ifdef LED_PIN + gpio_put(LED_PIN, state ? LED_STATE_ON : (1-LED_STATE_ON)); +#endif +} + +uint32_t board_button_read(void) +{ +#ifdef BUTTON_BOOTSEL + return BUTTON_STATE_ACTIVE == get_bootsel_button(); +#else + return 0; +#endif +} + +int board_uart_read(uint8_t* buf, int len) +{ +#ifdef UART_DEV + for(int i=0;i<len;i++) { + buf[i] = uart_getc(uart_inst); + } + return len; +#else + return 0; +#endif +} + +int board_uart_write(void const * buf, int len) +{ +#ifdef UART_DEV + char const* bufch = (char const*) buf; + for(int i=0;i<len;i++) { + uart_putc(uart_inst, bufch[i]); + } + return len; +#else + return 0; +#endif +} + +//--------------------------------------------------------------------+ +// USB Interrupt Handler +// rp2040 implementation will install approriate handler when initializing +// tinyusb. There is no need to forward IRQ from application +//--------------------------------------------------------------------+ diff --git a/tinyusb/hw/bsp/rp2040/family.cmake b/tinyusb/hw/bsp/rp2040/family.cmake new file mode 100755 index 00000000..41960b6c --- /dev/null +++ b/tinyusb/hw/bsp/rp2040/family.cmake @@ -0,0 +1,154 @@ +cmake_minimum_required(VERSION 3.13) +if (NOT TARGET _rp2040_family_inclusion_marker) + add_library(_rp2040_family_inclusion_marker INTERFACE) + + if (NOT BOARD) + message("BOARD not specified, defaulting to pico_sdk") + set(BOARD pico_sdk) + endif() + + # add the SDK in case we are standalone tinyusb example (noop if already present) + include(${CMAKE_CURRENT_LIST_DIR}/pico_sdk_import.cmake) + + # include basic family CMake functionality + set(FAMILY_MCUS RP2040) + + include(${CMAKE_CURRENT_LIST_DIR}/boards/${BOARD}/board.cmake) + + # TOP is absolute path to root directory of TinyUSB git repo + set(TOP "${CMAKE_CURRENT_LIST_DIR}/../../..") + get_filename_component(TOP "${TOP}" REALPATH) + + if (NOT PICO_TINYUSB_PATH) + set(PICO_TINYUSB_PATH ${TOP}) + endif() + + # Base config for both device and host; wrapped by SDK's tinyusb_common + add_library(tinyusb_common_base INTERFACE) + + target_sources(tinyusb_common_base INTERFACE + ${TOP}/src/tusb.c + ${TOP}/src/common/tusb_fifo.c + ) + + target_include_directories(tinyusb_common_base INTERFACE + ${TOP}/src + ${TOP}/src/common + ${TOP}/hw + ) + + target_link_libraries(tinyusb_common_base INTERFACE + hardware_structs + hardware_irq + hardware_resets + pico_sync + ) + + set(TINYUSB_DEBUG_LEVEL 0) + if (CMAKE_BUILD_TYPE STREQUAL "Debug") + message("Compiling TinyUSB with CFG_TUSB_DEBUG=1") + set(TINYUSB_DEBUG_LEVEL 1) + endif () + + target_compile_definitions(tinyusb_common_base INTERFACE + CFG_TUSB_MCU=OPT_MCU_RP2040 + CFG_TUSB_OS=OPT_OS_PICO + CFG_TUSB_DEBUG=${TINYUSB_DEBUG_LEVEL} + ) + + # Base config for device mode; wrapped by SDK's tinyusb_device + add_library(tinyusb_device_base INTERFACE) + target_sources(tinyusb_device_base INTERFACE + ${TOP}/src/portable/raspberrypi/rp2040/dcd_rp2040.c + ${TOP}/src/portable/raspberrypi/rp2040/rp2040_usb.c + ${TOP}/src/device/usbd.c + ${TOP}/src/device/usbd_control.c + ${TOP}/src/class/audio/audio_device.c + ${TOP}/src/class/cdc/cdc_device.c + ${TOP}/src/class/dfu/dfu_device.c + ${TOP}/src/class/dfu/dfu_rt_device.c + ${TOP}/src/class/hid/hid_device.c + ${TOP}/src/class/midi/midi_device.c + ${TOP}/src/class/msc/msc_device.c + ${TOP}/src/class/net/net_device.c + ${TOP}/src/class/usbtmc/usbtmc_device.c + ${TOP}/src/class/vendor/vendor_device.c + ) + + + # Base config for host mode; wrapped by SDK's tinyusb_host + add_library(tinyusb_host_base INTERFACE) + target_sources(tinyusb_host_base INTERFACE + ${TOP}/src/portable/raspberrypi/rp2040/hcd_rp2040.c + ${TOP}/src/portable/raspberrypi/rp2040/rp2040_usb.c + ${TOP}/src/host/usbh.c + ${TOP}/src/host/usbh_control.c + ${TOP}/src/host/hub.c + ${TOP}/src/class/cdc/cdc_host.c + ${TOP}/src/class/hid/hid_host.c + ${TOP}/src/class/msc/msc_host.c + ${TOP}/src/class/vendor/vendor_host.c + ) + + # Sometimes have to do host specific actions in mostly + # common functions + target_compile_definitions(tinyusb_host_base INTERFACE + RP2040_USB_HOST_MODE=1 + ) + + add_library(tinyusb_bsp INTERFACE) + target_sources(tinyusb_bsp INTERFACE + ${TOP}/hw/bsp/rp2040/family.c + ) +# target_include_directories(tinyusb_bsp INTERFACE +# ${TOP}/hw/bsp/rp2040) + + # tinyusb_additions will hold our extra settings for examples + add_library(tinyusb_additions INTERFACE) + + target_compile_definitions(tinyusb_additions INTERFACE + PICO_RP2040_USB_DEVICE_ENUMERATION_FIX=1 + ) + + if(DEFINED LOG) + target_compile_definitions(tinyusb_additions INTERFACE CFG_TUSB_DEBUG=${LOG} ) + endif() + + if(LOGGER STREQUAL "rtt") + target_compile_definitions(tinyusb_additions INTERFACE + LOGGER_RTT + SEGGER_RTT_MODE_DEFAULT=SEGGER_RTT_MODE_BLOCK_IF_FIFO_FULL + ) + + target_sources(tinyusb_additions INTERFACE + ${TOP}/lib/SEGGER_RTT/RTT/SEGGER_RTT.c + ) + + target_include_directories(tinyusb_additions INTERFACE + ${TOP}/lib/SEGGER_RTT/RTT + ) + endif() + + function(family_configure_target TARGET) + pico_add_extra_outputs(${TARGET}) + pico_enable_stdio_uart(${TARGET} 1) + target_link_libraries(${TARGET} PUBLIC pico_stdlib pico_bootsel_via_double_reset tinyusb_board tinyusb_additions) + endfunction() + + function(family_configure_device_example TARGET) + family_configure_target(${TARGET}) + target_link_libraries(${TARGET} PUBLIC pico_stdlib tinyusb_device) + endfunction() + + function(family_configure_host_example TARGET) + family_configure_target(${TARGET}) + target_link_libraries(${TARGET} PUBLIC pico_stdlib tinyusb_host) + endfunction() + + function(family_initialize_project PROJECT DIR) + # call the original version of this function from family_common.cmake + _family_initialize_project(${PROJECT} ${DIR}) + enable_language(C CXX ASM) + pico_sdk_init() + endfunction() +endif() diff --git a/tinyusb/hw/bsp/rp2040/family.mk b/tinyusb/hw/bsp/rp2040/family.mk new file mode 100755 index 00000000..5db784b1 --- /dev/null +++ b/tinyusb/hw/bsp/rp2040/family.mk @@ -0,0 +1,19 @@ +JLINK_DEVICE = rp2040_m0_0 +PYOCD_TARGET = rp2040 + +ifeq ($(DEBUG), 1) +CMAKE_DEFSYM += -DCMAKE_BUILD_TYPE=Debug +endif + +$(BUILD): + cmake -S . -B $(BUILD) -DFAMILY=$(FAMILY) -DBOARD=$(BOARD) -DPICO_BUILD_DOCS=0 $(CMAKE_DEFSYM) + +all: $(BUILD) + $(MAKE) -C $(BUILD) + +clean: + $(RM) -rf $(BUILD) + +flash: flash-pyocd +flash-uf2: + @$(CP) $(BUILD)/$(PROJECT).uf2 /media/$(USER)/RPI-RP2 diff --git a/tinyusb/hw/bsp/rp2040/pico_sdk_import.cmake b/tinyusb/hw/bsp/rp2040/pico_sdk_import.cmake new file mode 100755 index 00000000..28efe9ea --- /dev/null +++ b/tinyusb/hw/bsp/rp2040/pico_sdk_import.cmake @@ -0,0 +1,62 @@ +# This is a copy of <PICO_SDK_PATH>/external/pico_sdk_import.cmake + +# This can be dropped into an external project to help locate this SDK +# It should be include()ed prior to project() + +if (DEFINED ENV{PICO_SDK_PATH} AND (NOT PICO_SDK_PATH)) + set(PICO_SDK_PATH $ENV{PICO_SDK_PATH}) + message("Using PICO_SDK_PATH from environment ('${PICO_SDK_PATH}')") +endif () + +if (DEFINED ENV{PICO_SDK_FETCH_FROM_GIT} AND (NOT PICO_SDK_FETCH_FROM_GIT)) + set(PICO_SDK_FETCH_FROM_GIT $ENV{PICO_SDK_FETCH_FROM_GIT}) + message("Using PICO_SDK_FETCH_FROM_GIT from environment ('${PICO_SDK_FETCH_FROM_GIT}')") +endif () + +if (DEFINED ENV{PICO_SDK_FETCH_FROM_GIT_PATH} AND (NOT PICO_SDK_FETCH_FROM_GIT_PATH)) + set(PICO_SDK_FETCH_FROM_GIT_PATH $ENV{PICO_SDK_FETCH_FROM_GIT_PATH}) + message("Using PICO_SDK_FETCH_FROM_GIT_PATH from environment ('${PICO_SDK_FETCH_FROM_GIT_PATH}')") +endif () + +set(PICO_SDK_PATH "${PICO_SDK_PATH}" CACHE PATH "Path to the Raspberry Pi Pico SDK") +set(PICO_SDK_FETCH_FROM_GIT "${PICO_SDK_FETCH_FROM_GIT}" CACHE BOOL "Set to ON to fetch copy of SDK from git if not otherwise locatable") +set(PICO_SDK_FETCH_FROM_GIT_PATH "${PICO_SDK_FETCH_FROM_GIT_PATH}" CACHE FILEPATH "location to download SDK") + +if (NOT PICO_SDK_PATH) + if (PICO_SDK_FETCH_FROM_GIT) + include(FetchContent) + set(FETCHCONTENT_BASE_DIR_SAVE ${FETCHCONTENT_BASE_DIR}) + if (PICO_SDK_FETCH_FROM_GIT_PATH) + get_filename_component(FETCHCONTENT_BASE_DIR "${PICO_SDK_FETCH_FROM_GIT_PATH}" REALPATH BASE_DIR "${CMAKE_SOURCE_DIR}") + endif () + FetchContent_Declare( + pico_sdk + GIT_REPOSITORY https://github.com/raspberrypi/pico-sdk + GIT_TAG master + ) + if (NOT pico_sdk) + message("Downloading Raspberry Pi Pico SDK") + FetchContent_Populate(pico_sdk) + set(PICO_SDK_PATH ${pico_sdk_SOURCE_DIR}) + endif () + set(FETCHCONTENT_BASE_DIR ${FETCHCONTENT_BASE_DIR_SAVE}) + else () + message(FATAL_ERROR + "SDK location was not specified. Please set PICO_SDK_PATH or set PICO_SDK_FETCH_FROM_GIT to on to fetch from git." + ) + endif () +endif () + +get_filename_component(PICO_SDK_PATH "${PICO_SDK_PATH}" REALPATH BASE_DIR "${CMAKE_BINARY_DIR}") +if (NOT EXISTS ${PICO_SDK_PATH}) + message(FATAL_ERROR "Directory '${PICO_SDK_PATH}' not found") +endif () + +set(PICO_SDK_INIT_CMAKE_FILE ${PICO_SDK_PATH}/pico_sdk_init.cmake) +if (NOT EXISTS ${PICO_SDK_INIT_CMAKE_FILE}) + message(FATAL_ERROR "Directory '${PICO_SDK_PATH}' does not appear to contain the Raspberry Pi Pico SDK") +endif () + +set(PICO_SDK_PATH ${PICO_SDK_PATH} CACHE PATH "Path to the Raspberry Pi Pico SDK" FORCE) + +include(${PICO_SDK_INIT_CMAKE_FILE}) |