CIAA PROJECT LPC4337 EXAMPLES

Examples working with CIAA project repository.

Supported boards

• CIAA-NXP (LPC4337).
• EDU-CIAA-NXP (LPC4337).

Supported toolchains

• gcc-arm-none-eabi

Usage

• Make sure you have an arm-none-eabi-* toolchain configured in your PATH. If you don't have it, download GCC ARM Embedded.
• Enter to example folder that you want to use and:
  • Compile with make.
  • Clean with make clean.
  • Download to target via OpenOCD with make download.

Examples

Included examples are:

ARM Cortex M4 Asembler

• asm_lpc_open: assembler with LPC Open library
• asm_sapi: assembler with sAPI library

C language

• sAPI library
  • bare_metal
    • adc_dac_01: ADC and DAC example.
    • bluetooth
      • hm10_uart_bridge: Bluettoth HM10 module AT, tx and rx example.
    • cycles_counter_01: clock cycles counter functions, only work in debug mode. Allows execution time trazability.
    • gpio
      • gpio_01_switches_leds: each switch drives the upper led.
      • gpio_02_blinky: the simply led blinky with a blocking delay.
      • gpio_03_blinky_switch: led blinky with a with a non-blocking delay, to allow you to respond to a switch at the same time.
      • gpio_04_led_sequences: led sequences by using a non-blocking delay.
    • i2c:
      • magnetometers. In Chinese GY-273 module you can have one of this magnetometers, that have the same pinout but different register map. To difference them see the chip, ignore the board serigraphy.
        • hmc5883l: HMC5883L magnetometer.
        • qmc5883l: QMC5883L magnetometer.
      • IMUs
        • mpu9250: MPU9250 IMU 9DOF (Gyroscope, Accelerometer and Magnetometer) + Temperature.
    • keypad_7segment_01: Drives a keypad and 7 segment display.
    • lcd_01: Drives a LCD display.
    • pwm
      • pwm_01: PWM applied to LEDs.
      • pwm_02_rgb_controller_uart: RGB LED example.
    • rtc_01: RTC peripheral to have date and time clock.
    • sapi_basic_example: a basic sAPI library example
    • servo_01: angular servomotor PWM control example.
    • spi_01_sd_card_fat_filesystem: ADC logging in a SD/MicroSD Card (SPI connected) by using a FAT File System (ChanFS).
    • temperature_humidity_sensors
      • dht11_01: humidity and temperature sensor.
    • tick_01_tick_hook: periodic tick function (interrupt-based) with periodic callback.
    • uart
      • uart_01_echo: UART echo, it respond the same that you send from PC.
      • uart_02_receive_string_blocking: waits until receive a certain pattern String in a UART or timeout expire (blocking code). Don't save received string.
      • uart_03_receive_string: waits until receive a certain pattern String in a UART or timeout expire (non-blocking code). Don't save received string.
    • ultrasonic_sensors
      • hcsr04_01: HC-SR04 utrasonic distance sensor.
    • wifi_esp01_esp8266
      • 01_uart_bridg: use this to send AT commands directly to ESP01 module.
      • 02_http_server: embedded web server to see sensor values.
      • 03_thingspeak: send data to thingspeak dashboards.
  • operating_systems
    • coperative (see M.J. Pont's book at https://www.safetty.net/publications/pttes )
      • scheduler_01_seos: first cooperative scheduler
      • scheduler_02_seos_background_foreground: second cooperative scheduler
      • seos_pont_2014_01_first_app: third cooperative scheduler
    • free_rtos
      • dynamic_mem
        • freeRTOS_01_blinky
        • freeRTOS_03_ChanFatFS_SPI_SdCard_ADC_log: ADC logging in a SD/MicroSD Card (SPI connected) by using a FAT File System (ChanFS), freeRTOS and sAPI.
      • static_mem
        • freeRTOS_01_blinky
  • statecharts
    • statechart_bare_metal
• LPC Open library
  • bare_metal
    • blinky
    • blinky_input
    • blinky_ram
    • blinky_rit
    • boot
    • i2c
    • lpc_open_basic_example
    • mpu
    • pwm
  • operating_systems
    • freertos_blinky
  • statecharts
    • statechart
• newlib_printf_scanf
• without_libs

C++ language

• cpp_sapi_basic_example: a C++ basic example with sAPI library.

Other examples

Not working yet examples

• adc_fir_dac
• asm_conv
• seos_pont_02_microwave: SEOS Cooperative O.S. from M.J. Pont (2014), microwave example.
• freeRTOS_02_Queue: Queue management with freeRTOS and sAPI.
• freeOSEK_01_blinky: Blinky led with freeOSEK RTOS.
• freeRTOS_book: Richard Barry's book examples with FreeRTOS and sAPI:
  • example_01: Creating tasks
  • example_02: Using the task parameter
  • example_03: Experimenting with priorities
  • example_04: Using the Blocked state to create delay
  • example_05: Converting the example tasks to use vTaskDelayUntil()
  • example_06: Combining blocking and non-blocking tasks
  • example_07: Defining an idle task hook function
  • example_08: Changing task priorities
  • example_09: Deleting tasks
  • example_10: Blocking when receiving from a queue
  • example_11: Blocking when sending to a queue or sending structures on a queue
  • example_12: Using a queue set
  • example_13: Creating one-shot and auto-reload timers
  • Dosen't exist: example_14: Using the callback function parameter and the software timer ID
  • example_15: Resetting a software timer
  • example_16: Using a binary semaphore to synchronize a task with an interrupt
  • example_17: Using a counting semaphore to synchronize a task with an interrupt
  • Dosen't exist: example_18: Centralized deferred interrupt processing
  • example_19: Sending and receiving on a queue from within an interrupt
  • example_20: Re-writing vPrintString() to use a semaphore
  • example_21: Re-writing vPrintString() to use a gatekeeper task
  • example_22: Experimenting with event groups
  • The following dosen't exist:
    • example_23: Synchronizing tasks
    • example_24: Using a task notification in place of a semaphore, method 1
    • example_25: Using a task notification in place of a semaphore, method 2
• LPC4337 LPC Open:
  • blinky_osek
  • multicore
  • sd_spi
  • start_m0
  • tcpecho
  • trilat
  • usb_cdc
  • usb_msc_host
  • usb_rom_cdc

Deprecated examples

• stdio_01_printf_sprintf: printf() and other similar standard C libray functions.