Template of cmake-variants.json for STM32F429I_DISCOVERY reference target

ST_STM32F429I_DISCOVERY-cmake-variants.json

{
  "buildType": {
    "default": "debug",
      "choices": { 
        "debug": {
          "short": "Debug",
          "long": "Emit debug information without performing optimizations",
          "buildType": "Debug"
        },
        "minsize": {
          "short": "MinSizeRel",
          "long": "Optimize for smallest binary size",
          "buildType": "MinSizeRel"
        },
        "reldeb": {
          "short": "RelWithDebInfo",
          "long": "Perform optimizations AND include debugging information",
          "buildType": "RelWithDebInfo"
        }    
      }
  },

  "linkage": {
    "default": "",
    "choices": {

      "ST_STM32F429I_DISCOVERY": {
        "short": "ST_STM32F429I_DISCOVERY",
        "settings": {
          "BUILD_VERSION" : "0.9.99.999",
          "TOOLCHAIN_PREFIX" : "E:/GNU_Tools_ARM_Embedded/7-2017-q4-major",
          "TARGET_SERIES" : "STM32F4xx",
          "USE_FPU" : "TRUE",
          "USE_RNG" : "TRUE",
          "CHIBIOS_SOURCE" : "E:/GitHub/ChibiOS",
          "CHIBIOS_BOARD" : "ST_STM32F429I_DISCOVERY",
          "SWO_OUTPUT" : "ON",
          "USE_RNG" : "ON",
          "NF_FEATURE_DEBUGGER" : "ON",
          "NF_FEATURE_RTC" : "ON",
          "API_Windows.Devices.Adc" : "ON",
          "API_Windows.Devices.Gpio" : "ON",
          "API_Windows.Devices.Spi" : "ON",
          "API_Windows.Devices.I2c" : "ON"
        }
      }
    }
  }
}