Initial commit

.gitignore

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+.cache/

.gitmodules

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+[submodule "lib/pico-ice-sdk"]
+	path = lib/pico-ice-sdk
+	url = https://github.com/tinyvision-ai-inc/pico-ice-sdk.git
+[submodule "lib/--recurse-submodules"]
+	path = lib/--recurse-submodules
+	url = https://github.com/tinyvision-ai-inc/pico-ice-sdk.git

CMakeLists.txt

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+cmake_minimum_required(VERSION 3.13...3.27)
+
+set(PICO_BOARD pico2_ice)
+list(APPEND PICO_BOARD_HEADER_DIRS lib/pico-ice-sdk/include/boards)
+file(WRITE "${CMAKE_BINARY_DIR}/.gitignore" "*")
+set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
+
+include(lib/pico-ice-sdk/cmake/preinit_pico_ice_sdk.cmake)
+set(PICO_SDK_PATH ${CMAKE_SOURCE_DIR}/lib/pico-ice-sdk/lib/pico-sdk)
+include(${PICO_SDK_PATH}/external/pico_sdk_import.cmake)
+
+project(pico2-ice-projects C CXX ASM)
+
+set(CMAKE_C_STANDARD 11)
+set(CMAKE_CXX_STANDARD 17)
+
+pico_sdk_init()
+
+add_subdirectory(lib/pico-ice-sdk)
+
+add_subdirectory(blinky)

blinky/CMakeLists.txt

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+cmake_minimum_required(VERSION 3.13...3.27)
+
+add_executable(blinky src/main.cpp)
+
+target_link_libraries(blinky
+  pico_ice_sdk
+  hardware_pwm
+)
+pico_add_extra_outputs(blinky)

blinky/src/main.cpp

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+#include <hardware/gpio.h>
+#include <hardware/irq.h>
+#include <hardware/pwm.h>
+
+void on_pwm_wrap()
+{
+  static int fade = 0;
+  static bool going_up = true;
+
+  pwm_clear_irq(pwm_gpio_to_slice_num(ICE_LED_RED_PIN));
+
+  if (going_up)
+  {
+    if (++fade > 255)
+    {
+      fade = 255;
+      going_up = false;
+    }
+  }
+  else
+  {
+    if (--fade < 0)
+    {
+      fade = 0;
+      going_up = true;
+    }
+  }
+
+  pwm_set_gpio_level(ICE_LED_RED_PIN, fade * fade);
+}
+
+int main()
+{
+  gpio_set_function(ICE_LED_RED_PIN, GPIO_FUNC_PWM);
+  uint slice_num = pwm_gpio_to_slice_num(ICE_LED_RED_PIN);
+
+  pwm_clear_irq(slice_num);
+  pwm_set_irq_enabled(slice_num, true);
+  irq_set_exclusive_handler(PWM_DEFAULT_IRQ_NUM(), on_pwm_wrap);
+  irq_set_enabled(PWM_DEFAULT_IRQ_NUM(), true);
+
+  pwm_config config = pwm_get_default_config();
+  pwm_config_set_clkdiv(&config, 1.0f);
+
+  pwm_init(slice_num, &config, true);
+
+  while (true);
+}

compile_commands.json

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+build/compile_commands.json

lib/pico-ice-sdk

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+Subproject commit 8de8106296b09d4db68638a7eb32280f8c09a654