drivers/trng/unit_test/unit_test.c File Reference

SAM True Random Number Generator (TRNG) Unit test.

Copyright (c) 2014-2018 Microchip Technology Inc. and its subsidiaries.

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

Functions
static void	cdc_uart_init (void)
	Initialize the USART for unit test. More...
int	main (void)
	Run TRNG unit tests. More...
static void	run_trng_callback_read_test (const struct test_case *test)
	TRNG callback mode test function. More...
static void	run_trng_polling_read_test (const struct test_case *test)
	Test for TRNG polling mode read. More...
static void	trng_complete_callback (struct trng_module *const module_inst)
	TRNG callback function. More...

Variables
struct usart_module	cdc_uart_module
volatile bool	interrupt_flag = false
struct trng_module	trng_instance

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, 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().

int main

(

void

)

Run TRNG unit tests.

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

References cdc_uart_init(), DEFINE_TEST_ARRAY, DEFINE_TEST_CASE, DEFINE_TEST_SUITE, NULL, run_trng_callback_read_test(), run_trng_polling_read_test(), system_init(), and test_suite_run().

static void run_trng_callback_read_test ( const struct test_case *  test )

static

TRNG callback mode test function.

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

Parameters

test	Current test case.

References interrupt_flag, test_assert_true, TRNG_CALLBACK_READ_BUFFER, trng_complete_callback(), trng_disable(), trng_disable_callback(), trng_enable_callback(), trng_instance, trng_read_buffer_job(), and trng_register_callback().

Referenced by main().

static void run_trng_polling_read_test ( const struct test_case *  test )

static

Test for TRNG polling mode read.

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

Parameters

test	Current test case

References i, STATUS_OK, test_assert_true, trng_enable(), trng_get_config_defaults(), trng_init(), trng_instance, and trng_read().

Referenced by main().

static void trng_complete_callback ( struct trng_module *const  module_inst )

static

TRNG callback function.

Called by TRNG driver on interrupt detection.

Parameters

module

Pointer to the TRNG module (not used)

References interrupt_flag, and UNUSED.

struct usart_module cdc_uart_module

volatile bool interrupt_flag = false

struct trng_module trng_instance

Referenced by run_trng_callback_read_test(), and run_trng_polling_read_test().