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280 lines
8.3 KiB
280 lines
8.3 KiB
/**
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* Compile time configuration options for the micro:bit runtime.
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*/
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#ifndef MICROBIT_CONFIG_H
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#define MICROBIT_CONFIG_H
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#include "mbed.h"
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//
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// Memory configuration
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//
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// Physical address of the top of SRAM.
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#ifndef MICROBIT_SRAM_END
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#define MICROBIT_SRAM_END 0x20004000
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#endif
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// Physical address of the top of the system stack (on mbed-classic this is the top of SRAM)
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#ifndef CORTEX_M0_STACK_BASE
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#define CORTEX_M0_STACK_BASE MICROBIT_SRAM_END
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#endif
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// Amount of memory reserved for the stack at the end of memory (bytes).
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#ifndef MICROBIT_STACK_SIZE
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#define MICROBIT_STACK_SIZE 2048
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#endif
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// Physical address of the end of heap space.
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#ifndef MICROBIT_HEAP_END
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#define MICROBIT_HEAP_END (CORTEX_M0_STACK_BASE - MICROBIT_STACK_SIZE)
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#endif
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// Block size used by the allocator in bytes.
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// n.b. Currently only 32 bits (4 bytes) is supported.
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#ifndef MICROBIT_HEAP_BLOCK_SIZE
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#define MICROBIT_HEAP_BLOCK_SIZE 4
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#endif
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// The proportion of SRAM available on the mbed heap to reserve for the micro:bit heap.
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#ifndef MICROBIT_HEAP_SIZE
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#define MICROBIT_HEAP_SIZE 0.95
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#endif
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// if defined, reuse the 8K of SRAM reserved for SoftDevice (Nordic's memory resident BLE stack) as heap memory.
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// The amount of memory reused depends upon whether or not BLE is enabled using MICROBIT_BLE_ENABLED.
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// Set '1' to enable.
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#ifndef MICROBIT_HEAP_REUSE_SD
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#define MICROBIT_HEAP_REUSE_SD 1
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#endif
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// The lowest address of memory that is safe to use as heap storage when BLE is DISABLED
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// Used to define the base of the heap when MICROBIT_HEAP_REUSE_SD is defined.
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#ifndef MICROBIT_HEAP_BASE_BLE_DISABLED
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#define MICROBIT_HEAP_BASE_BLE_DISABLED 0x20000008
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#endif
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// The lowest address of memory that is safe to use as heap storage when BLE is ENABLED
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// This is permissable if SD is configured to release some of its internal storage that
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// is normally reserved for its BLE GATT table.
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#ifndef MICROBIT_HEAP_BASE_BLE_ENABLED
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#define MICROBIT_HEAP_BASE_BLE_ENABLED 0x20001C00
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#endif
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// The highest address of memory normally reserved for Soft Device that is safe to use as heap storage
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#ifndef MICROBIT_HEAP_SD_LIMIT
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#define MICROBIT_HEAP_SD_LIMIT 0x20002000
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#endif
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//
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// Fiber scheduler configuration
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//
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// Scheduling quantum (milliseconds)
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// Also used to drive the micro:bit runtime system ticker.
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#ifndef FIBER_TICK_PERIOD_MS
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#define FIBER_TICK_PERIOD_MS 6
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#endif
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//
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// Message Bus:
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// Default behaviour for event handlers, if not specified in the listen() call
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//
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// Permissable values are:
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// MESSAGE_BUS_LISTENER_REENTRANT
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// MESSAGE_BUS_LISTENER_QUEUE_IF_BUSY
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// MESSAGE_BUS_LISTENER_DROP_IF_BUSY
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// MESSAGE_BUS_LISTENER_NONBLOCKING
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#ifndef MESSAGE_BUS_LISTENER_DEFAULT_FLAGS
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#define MESSAGE_BUS_LISTENER_DEFAULT_FLAGS MESSAGE_BUS_LISTENER_REENTRANT
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#endif
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//
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// Core micro:bit services
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//
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// To reduce memory cost and complexity, the micro:bit allows components to register for
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// periodic callback events during interrupt context, which occur every scheduling quantum (FIBER_TICK_PERIOD_MS)
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// This defines the maximum size of interrupt callback list.
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#ifndef MICROBIT_SYSTEM_COMPONENTS
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#define MICROBIT_SYSTEM_COMPONENTS 10
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#endif
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// To reduce memory cost and complexity, the micro:bit allows components to register for
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// periodic callback events when the processor is idle.
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// This defines the maximum size of the idle callback list.
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#ifndef MICROBIT_IDLE_COMPONENTS
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#define MICROBIT_IDLE_COMPONENTS 6
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#endif
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//
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// BLE options
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//
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// The BLE stack is very memory hungry. Each service can therefore be compiled in or out
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// by enabling/disabling the options below.
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//
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// n.b. The minimum set of services to enable over the air programming of the device will
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// still be brought up in 'BLUEZONE' mode regardless of the settings below.
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//
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// Enable/Disable BLE during normal operation.
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// Set '1' to enable.
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#ifndef MICROBIT_BLE_ENABLED
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#define MICROBIT_BLE_ENABLED 1
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#endif
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// Enable/Disable BLUEZONE mode at power up.
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// Set '1' to enable.
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#ifndef MICROBIT_BLE_BLUEZONE
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#define MICROBIT_BLE_BLUEZONE 1
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#endif
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// Enable/Disable BLE Service: MicroBitDFU
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// This allows over the air programming during normal operation.
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// Set '1' to enable.
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#ifndef MICROBIT_BLE_DFU_SERVICE
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#define MICROBIT_BLE_DFU_SERVICE 1
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#endif
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// Enable/Disable BLE Service: MicroBitEventService
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// This allows routing of events from the micro:bit message bus over BLE.
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// Set '1' to enable.
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#ifndef MICROBIT_BLE_EVENT_SERVICE
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#define MICROBIT_BLE_EVENT_SERVICE 1
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#endif
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// Enable/Disable BLE Service: MicroBitDeviceInformationService
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// This enables the standard BLE device information service.
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// Set '1' to enable.
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#ifndef MICROBIT_BLE_DEVICE_INFORMATION_SERVICE
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#define MICROBIT_BLE_DEVICE_INFORMATION_SERVICE 0
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#endif
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// Enable/Disable BLE Service: MicroBitLEDService
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// This enables the control and the LED matrix display via BLE.
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// Set '1' to enable.
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#ifndef MICROBIT_BLE_LED_SERVICE
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#define MICROBIT_BLE_LED_SERVICE 1
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#endif
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// Enable/Disable BLE Service: MicroBitAccelerometerService
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// This enables live access to the on board 3 axis accelerometer.
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// Set '1' to enable.
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#ifndef MICROBIT_BLE_ACCELEROMETER_SERVICE
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#define MICROBIT_BLE_ACCELEROMETER_SERVICE 1
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#endif
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// Enable/Disable BLE Service: MicroBitMagnetometerService
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// This enables live access to the on board 3 axis magnetometer.
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// Set '1' to enable.
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#ifndef MICROBIT_BLE_MAGNETOMETER_SERVICE
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#define MICROBIT_BLE_MAGNETOMETER_SERVICE 1
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#endif
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// Defines the maximum length strong that can be written to the
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// display over BLE.
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#ifndef MICROBIT_BLE_MAXIMUM_SCROLLTEXT
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#define MICROBIT_BLE_MAXIMUM_SCROLLTEXT 20
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#endif
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//
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// Accelerometer options
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//
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// Enable this to read 10 bits of data from the acclerometer.
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// Otherwise, 8 bits are used.
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// Set '1' to enable.
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#ifndef USE_ACCEL_LSB
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#define USE_ACCEL_LSB 0
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#endif
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//
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// Display options
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//
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// Selects the matrix configuration for the display driver.
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// Known, acceptable options are:
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//
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#define MICROBUG_REFERENCE_DEVICE 1
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#define MICROBIT_3X9 2
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#define MICROBIT_SB1 3
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#define MICROBIT_SB2 4
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#ifndef MICROBIT_DISPLAY_TYPE
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#define MICROBIT_DISPLAY_TYPE MICROBIT_SB2
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#endif
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// Selects the minimum permissable brightness level for the device
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// in the region of 0 (off) to 255 (full brightness)
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#ifndef MICROBIT_DISPLAY_MINIMUM_BRIGHTNESS
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#define MICROBIT_DISPLAY_MINIMUM_BRIGHTNESS 2
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#endif
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// Selects the maximum permissable brightness level for the device
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// in the region of 0 (off) to 255 (full brightness)
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#ifndef MICROBIT_DISPLAY_MAXIMUM_BRIGHTNESS
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#define MICROBIT_DISPLAY_MAXIMUM_BRIGHTNESS 255
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#endif
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// Selects the default brightness for the display
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// in the region of zero (off) to 255 (full brightness)
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#ifndef MICROBIT_DISPLAY_DEFAULT_BRIGHTNESS
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#define MICROBIT_DISPLAY_DEFAULT_BRIGHTNESS ((MICROBIT_DISPLAY_MAXIMUM_BRIGHTNESS - MICROBIT_DISPLAY_MINIMUM_BRIGHTNESS) / 2)
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#endif
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// Selects the default scroll speed for the display.
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// The time taken to move a single pixel (ms).
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#ifndef MICROBIT_DEFAULT_SCROLL_SPEED
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#define MICROBIT_DEFAULT_SCROLL_SPEED 120
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#endif
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// Selects the number of pixels a scroll will move in each quantum.
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#ifndef MICROBIT_DEFAULT_SCROLL_STRIDE
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#define MICROBIT_DEFAULT_SCROLL_STRIDE -1
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#endif
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// Selects the time each character will be shown on the display during print operations.
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// The time each character is shown on the screen (ms).
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#ifndef MICROBIT_DEFAULT_PRINT_SPEED
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#define MICROBIT_DEFAULT_PRINT_SPEED 400
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#endif
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//
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// Panic options
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//
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// Enable this to invoke a panic on out of memory conditions.
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// Set '1' to enable.
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#ifndef MICROBIT_PANIC_HEAP_FULL
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#define MICROBIT_PANIC_HEAP_FULL 1
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#endif
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//
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// Debug options
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//
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// Enable this to route debug messages through the USB serial interface.
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// n.b. This also disables the user serial port 'uBit.serial'.
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// Set '1' to enable.
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#ifndef MICROBIT_DBG
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#define MICROBIT_DBG 0
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#endif
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// Enable this to receive diagnostic messages from the heap allocator via the USB serial interface.
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// n.b. This requires MICROBIT_DBG to be defined.
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// Set '1' to enable.
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#ifndef MICROBIT_HEAP_DBG
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#define MICROBIT_HEAP_DBG 0
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#endif
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//
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// Helper macro used by the micro:bit runtime to determine if a boolean configuration option is set.
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//
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#define CONFIG_ENABLED(X) (X == 1)
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#define CONFIG_DISABLED(X) (X != 1)
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#endif
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