1 Harmony 3 Peripheral Library Application Examples for SAM D20 Family
The following applications are provided to demonstrate the typical or interesting usage
models of one or more peripheral libraries.
| Name | Description |
|---|---|
| AC PWM Generation | This example application shows how to use the Analog Comparator Peripheral library to generate a 1 kHz PWM waveform |
| AC Sleepwalking | This example application shows how to use the AC Peripheral library to perform a single shot comparison in standby sleep mode periodically and wake up the device at the end of a successful comparison |
| ADC Sample | This example application shows how to sample an analog input using the ADC and displays the converted samples on a serial terminal |
| ADC Window Sleepwalking | This application shows how to configure ADC in a sleepwalking operation, where input voltage is measured at a fixed interval, but device is not woken from sleep until the measured value is below a given threshold |
| Clock Configuration | This example application shows how to configure the clock system to run the device at maximum frequency. It also outputs a prescaled clock signal on a GPIO pin for measurement and verification |
| DAC Waveform Generation | This example application shows how to use the DAC to generate a 1 kHz Sine or Sawtooth wave with a look up table |
| DSU Compute CRC32 | This example application demonstrates how to use the DSU Peripheral library to compute 32-bit Cyclic Redundancy Checksum (CRC) |
| EIC Interrupt | This example application demonstrates how to generate interrupt using the EIC on switch press and indicate it through an LED |
| NVMCTRL Read Write | This example application demonstrates how to use the NVMCTRL to erase and program the internal Flash memory |
| PM Reset Cause | This example shows how to use the PM peripheral to indicate the cause of the device reset |
| PM Wakeup Using EIC | This application demonstrates entering the low power modes and exiting it using the EIC |
| PM Wakeup Using RTC | This example demonstrates entering the low power modes and exiting it using the RTC |
| PORT Polling | This example application demonstrate how to poll the switch input, and indicate the switch status using the LED |
| RTC Alarm Interrupt | This example shows how to use the RTC to configure the time and generate the alarm |
| RTC Periodic Interrupt | This example application shows how to use the RTC to generate periodic interrupts |
| SERCOM I2C EEPROM Emulation (I2C Client) | This example application demonstrates how to use the SERCOM peripheral in client mode |
| SERCOM I2C EEPROM Read Write | This example application demonstrates how to use the SERCOM peripheral to write and read from the I2C serial EEPROM memory |
| SERCOM SPI Blocking | This example application demonstrates how to use the SERCOM SPI peripheral to transmit and receive a block of data in a blocking manner |
| SERCOM SPI EEPROM Read Write | This example application demonstrates how to use the SERCOM SPI peripheral to write and read from the SPI serial EEPROM memory |
| SERCOM SPI Interrupt | This example application shows how to use SERCOM SPI PLIB with external loop back to write and then read back an array of data in interrupt mode |
| SERCOM SPI Host Read Write Test Application | This is a SPI Host test application which is provided to demonstrate communication between SPI host and the corresponding SPI client application available under - apps/sercom/spi/slave/spi_write_read/firmware |
| SERCOM SPI Client Read Write | This example application demonstrates how to use the SERCOM SPI peripheral in client mode |
| SERCOM USART Blocking | This example application demonstrates how to use the SERCOM peripheral in USART mode to transfer block of data in a blocking manner |
| SERCOM USART Interrupt | This example application demonstrates how to use the SERCOM peripheral in USART mode to transfer data in a non-blocking manner |
| SERCOM USART Ring Buffer | This example application demonstrates how to use the SERCOM peripheral in USART ring buffer mode to transfer data in a non-blocking manner |
| Systick Periodic Interrupt | This example shows how to use the SysTick to generate periodic interrupts |
| TC Capture Mode | This example shows how to use the TC module in capture mode to measure duty cycle and frequency of an external input |
| TC Compare Mode | This example shows how to use the TC module in compare mode to generate an active low, active high, and toggle output on compare match |
| TC Timer Mode | This example shows how to use the TC module in timer mode to generate periodic interrupt |
| WDT Timeout | This example shows how to generate a Watchdog timer reset by emulating a deadlock |