Cygwin

Pinout

../_images/cygwin-pinout.png

Default system features

The default configuration includes those major features. They are all initialized by sys_start() at the startup of the application.

Library Reference

Read more about board specific functionality in the Cygwin module documentation in the Library Reference.

Memory usage

Below is the memory usage of two applications:

  • The minimal-configuration application is configured to only include the bare minimum of functionality for the low level kernel to run. That is, the thread scheduler and system tick.
  • The default-configuration application is built with the default configuration, including a lot more functionality. See the list of Default system features above for a summary.
Application Flash RAM
minimal-configuration 295242 111680
default-configuration 373098 200160

Default configuration

Default Standard Library configuration.

Name Value
CONFIG_ASSERT 1
CONFIG_DEBUG 1
CONFIG_FS_CMD_DS18B20_LIST 1
CONFIG_FS_CMD_FS_APPEND 1
CONFIG_FS_CMD_FS_COUNTERS_LIST 1
CONFIG_FS_CMD_FS_COUNTERS_RESET 1
CONFIG_FS_CMD_FS_FILESYSTEMS_LIST 1
CONFIG_FS_CMD_FS_LIST 1
CONFIG_FS_CMD_FS_PARAMETERS_LIST 1
CONFIG_FS_CMD_FS_READ 1
CONFIG_FS_CMD_FS_WRITE 1
CONFIG_FS_CMD_I2C_READ 1
CONFIG_FS_CMD_I2C_WRITE 1
CONFIG_FS_CMD_LOG_LIST 1
CONFIG_FS_CMD_LOG_PRINT 1
CONFIG_FS_CMD_LOG_SET_LOG_MASK 1
CONFIG_FS_CMD_NETWORK_INTERFACE_LIST 1
CONFIG_FS_CMD_PING_PING 1
CONFIG_FS_CMD_PIN_READ 1
CONFIG_FS_CMD_PIN_SET_MODE 1
CONFIG_FS_CMD_PIN_WRITE 1
CONFIG_FS_CMD_SETTINGS_LIST 1
CONFIG_FS_CMD_SETTINGS_READ 1
CONFIG_FS_CMD_SETTINGS_RESET 1
CONFIG_FS_CMD_SETTINGS_WRITE 1
CONFIG_FS_CMD_SYS_CONFIG 1
CONFIG_FS_CMD_SYS_INFO 1
CONFIG_FS_CMD_SYS_UPTIME 1
CONFIG_FS_CMD_THRD_LIST 1
CONFIG_FS_CMD_THRD_SET_LOG_MASK 1
CONFIG_FS_CMD_USB_DEVICE_LIST 1
CONFIG_FS_CMD_USB_HOST_LIST 1
CONFIG_FS_PATH_MAX 64
CONFIG_MONITOR_THREAD 1
CONFIG_PREEMPTIVE_SCHEDULER 0
CONFIG_PROFILE_STACK 1
CONFIG_SETTINGS_AREA_SIZE 256
CONFIG_SHELL_COMMAND_MAX 64
CONFIG_SHELL_HISTORY_SIZE 768
CONFIG_SHELL_MINIMAL 0
CONFIG_SHELL_PROMPT “$ “
CONFIG_SPIFFS 1
CONFIG_START_CONSOLE CONFIG_START_CONSOLE_UART
CONFIG_START_CONSOLE_DEVICE_INDEX 0
CONFIG_START_CONSOLE_UART_BAUDRATE 38400
CONFIG_START_CONSOLE_USB_CDC_CONTROL_INTERFACE 0
CONFIG_START_CONSOLE_USB_CDC_ENDPOINT_IN 2
CONFIG_START_CONSOLE_USB_CDC_ENDPOINT_OUT 3
CONFIG_START_CONSOLE_USB_CDC_WAIT_FOR_CONNETION 1
CONFIG_START_FILESYSTEM 1
CONFIG_START_FILESYSTEM_ADDRESS 0
CONFIG_START_FILESYSTEM_SIZE 65536
CONFIG_START_NETWORK 0
CONFIG_START_NETWORK_INTERFACE_WIFI_CONNECT_TIMEOUT 30
CONFIG_START_NETWORK_INTERFACE_WIFI_PASSWORD MyWiFiPassword
CONFIG_START_NETWORK_INTERFACE_WIFI_SSID MyWiFiSSID
CONFIG_START_SHELL 1
CONFIG_START_SHELL_PRIO 30
CONFIG_START_SHELL_STACK_SIZE 768
CONFIG_STD_OUTPUT_BUFFER_MAX 16
CONFIG_SYSTEM_TICK_FREQUENCY 100
CONFIG_SYS_CONFIG_STRING 1
CONFIG_THRD_CPU_USAGE 1
CONFIG_THRD_ENV 1
CONFIG_THRD_TERMINATE 1
CONFIG_USB_DEVICE_PID 0x8037
CONFIG_USB_DEVICE_VID 0x2341

Mcu

linux