sam/drivers/pwm/unit_tests/unit_tests.c File Reference

Unit tests for PWM driver.

Copyright (c) 2011-2018 Microchip Technology Inc. and its subsidiaries.

#include <stdint.h>
#include <stdbool.h>
#include <board.h>
#include <sysclk.h>
#include <pwm.h>
#include <pdc.h>
#include <string.h>
#include <unit_test/suite.h>
#include <stdio_serial.h>
#include <conf_test.h>
#include <conf_board.h>

Macros
#define	PERIOD_VALUE   50
	PWM period value. More...
#define	PWM_FREQUENCY   50
	PWM frequency in Hz. More...

Functions
static void	delay_ms (uint32_t ul_dly_ticks)
	Delay number of tick Systicks (happens every 1 ms). More...
int	main (void)
	Run PWM driver unit tests. More...
void	PWM_Handler (void)
	PWM interrupt handler. More...
static void	run_pwm_test (const struct test_case *test)
	Test PWM setting. More...
void	SysTick_Handler (void)
	SysTick handler. More...

Variables
pdc_packet_t	g_pdc_tx_packet
	PDC transfer packet. More...
static volatile int32_t	gs_l_pwm_period_int_flag = 0U
static volatile uint32_t	gs_ul_ms_ticks = 0U

#define PERIOD_VALUE   50

PWM period value.

Referenced by run_pwm_test().

#define PWM_FREQUENCY   50

PWM frequency in Hz.

Referenced by run_pwm_test().

static void delay_ms ( uint32_t  ul_dly_ticks )

static

Delay number of tick Systicks (happens every 1 ms).

References gs_ul_ms_ticks.

Referenced by run_pwm_test().

int main

(

void

)

Run PWM driver unit tests.

References uart_rs232_options::baudrate, board_init(), DEFINE_TEST_ARRAY, DEFINE_TEST_CASE, DEFINE_TEST_SUITE, NULL, run_pwm_test(), stdio_serial_init(), sysclk_enable_peripheral_clock(), sysclk_get_cpu_hz(), sysclk_init(), test_suite_run(), and usart_serial_options.

void PWM_Handler

(

void

)

PWM interrupt handler.

References gs_l_pwm_period_int_flag, and pwm_channel_get_interrupt_status().

static void run_pwm_test ( const struct test_case *  test )

static

Test PWM setting.

This test sets the PWM APIs.

Parameters

test	Current test case.

References pwm_channel_t::channel, delay_ms(), gs_l_pwm_period_int_flag, gs_ul_ms_ticks, pdc_enable_transfer(), pdc_tx_init(), PERIOD_VALUE, pmc_enable_periph_clk(), pwm_channel_disable(), pwm_channel_disable_interrupt(), pwm_channel_enable(), pwm_channel_enable_interrupt(), pwm_channel_init(), PWM_FREQUENCY, pwm_init(), sysclk_get_cpu_hz(), test_assert_true, pdc_packet::ul_addr, pwm_clock_t::ul_clka, pwm_channel_t::ul_prescaler, and pdc_packet::ul_size.

Referenced by main().

void SysTick_Handler

(

void

)

SysTick handler.

References gs_ul_ms_ticks.

pdc_packet_t g_pdc_tx_packet

PDC transfer packet.

volatile int32_t gs_l_pwm_period_int_flag = 0U

static

Referenced by PWM_Handler(), and run_pwm_test().

volatile uint32_t gs_ul_ms_ticks = 0U

static

Referenced by delay_ms(), run_pwm_test(), and SysTick_Handler().