unit_test.c File Reference

SAM Frequency Meter (FREQM) Unit test.

Copyright (c) 2015-2018 Microchip Technology Inc. and its subsidiaries.

#include <asf.h>
#include <stdio_serial.h>
#include <string.h>
#include "conf_test.h"

Macros
#define	FREQM_CLK_FREQ_VAL   4000000
#define	FREQM_OFFSET   200000

Functions
static void	cdc_uart_init (void)
	Initialize the USART for unit test. More...
static void	freqm_complete_callback (void)
	FREQM callback function. More...
int	main (void)
	Run FREQM unit tests. More...
static void	run_freqm_callback_read_test (const struct test_case *test)
	FREQM callback mode test function. More...
static void	run_freqm_polling_read_test (const struct test_case *test)
	Test for FREQM polling mode read. More...

Variables
struct usart_module	cdc_uart_module
struct freqm_module	freqm_instance
volatile bool	interrupt_flag = false

#define FREQM_CLK_FREQ_VAL   4000000

Referenced by run_freqm_callback_read_test(), and run_freqm_polling_read_test().

#define FREQM_OFFSET   200000

Referenced by run_freqm_callback_read_test(), and run_freqm_polling_read_test().

static void cdc_uart_init ( void  )

static

Initialize the USART for unit test.

Initializes the SERCOM USART used for sending the unit test status to the computer via the EDBG CDC gateway.

References usart_config::baudrate, cdc_uart_module, CONF_STDIO_BAUDRATE, CONF_STDIO_MUX_SETTING, CONF_STDIO_PINMUX_PAD0, CONF_STDIO_PINMUX_PAD1, CONF_STDIO_PINMUX_PAD2, CONF_STDIO_PINMUX_PAD3, CONF_STDIO_USART, usart_config::mux_setting, usart_config::pinmux_pad0, usart_config::pinmux_pad1, usart_config::pinmux_pad2, usart_config::pinmux_pad3, usart_enable(), and usart_get_config_defaults().

Referenced by main().

static void freqm_complete_callback ( void  )

static

FREQM callback function.

Called by FREQM driver on interrupt detection.

Parameters

module

Pointer to the FREQM module (not used)

References interrupt_flag.

Referenced by run_freqm_callback_read_test().

int main

(

void

)

Run FREQM unit tests.

Initializes the system and serial output, then sets up the FREQM unit test suite and runs it.

References cdc_uart_init(), DEFINE_TEST_ARRAY, DEFINE_TEST_CASE, DEFINE_TEST_SUITE, run_freqm_callback_read_test(), run_freqm_polling_read_test(), system_init(), and test_suite_run().

static void run_freqm_callback_read_test ( const struct test_case *  test )

static

FREQM callback mode test function.

This test reads three measure data in callback mode and check the result.

Parameters

test	Current test case.

References FREQM_CALLBACK_MEASURE_DONE, FREQM_CLK_FREQ_VAL, freqm_complete_callback(), freqm_disable(), freqm_disable_callback(), freqm_enable_callback(), freqm_get_result_value(), freqm_instance, FREQM_OFFSET, freqm_register_callback(), freqm_start_measure(), FREQM_STATUS_CNT_OVERFLOW, interrupt_flag, and test_assert_true.

Referenced by main().

static void run_freqm_polling_read_test ( const struct test_case *  test )

static

Test for FREQM polling mode read.

This test reads three measure data in polling mode and check the result.

Parameters

test	Current test case

References FREQM_CLK_FREQ_VAL, freqm_enable(), freqm_get_config_defaults(), freqm_get_result_value(), freqm_init(), freqm_instance, FREQM_OFFSET, freqm_start_measure(), FREQM_STATUS_CNT_OVERFLOW, FREQM_STATUS_MEASURE_BUSY, and test_assert_true.

Referenced by main().

struct usart_module cdc_uart_module

Referenced by cdc_uart_init().

struct freqm_module freqm_instance

Referenced by run_freqm_callback_read_test(), and run_freqm_polling_read_test().

volatile bool interrupt_flag = false

Referenced by freqm_complete_callback(), and run_freqm_callback_read_test().