unit_tests.c File Reference

Unit tests for DMAC driver.

Copyright (c) 2012-2018 Microchip Technology Inc. and its subsidiaries.

#include <stdint.h>
#include <stdbool.h>
#include "asf.h"
#include "conf_test.h"
#include "conf_board.h"
#include "conf_clock.h"

Macros
#define	DMA_BUF_SIZE   32
#define	DMA_CH   0

Functions
void	DMAC_Handler (void)
	DMAC interrupt handler. More...
int	main (void)
	Run DMAC driver unit tests. More...
static void	run_multi_buf_xfer_test (const struct test_case *test)
	Test DMA multiple buffer transfer with interrupt mode. More...
static void	run_single_buf_xfer_test (const struct test_case *test)
	Test DMA single buffer transfer with polling mode. More...

Variables
uint32_t	g_dma_buf [6][DMA_BUF_SIZE]
	DMA buffer. More...
volatile uint32_t	g_xfer_done = 0

#define DMA_BUF_SIZE   32

Referenced by run_multi_buf_xfer_test(), and run_single_buf_xfer_test().

#define DMA_CH   0

Referenced by DMAC_Handler(), run_multi_buf_xfer_test(), and run_single_buf_xfer_test().

void DMAC_Handler

(

void

)

DMAC interrupt handler.

References DMA_CH, dmac_get_status(), and g_xfer_done.

int main

(

void

)

Run DMAC driver unit tests.

References uart_rs232_options::baudrate, board_init(), CONF_TEST_BAUDRATE, CONF_TEST_PARITY, CONF_TEST_UART, CONSOLE_UART_ID, DEFINE_TEST_ARRAY, DEFINE_TEST_CASE, DEFINE_TEST_SUITE, run_multi_buf_xfer_test(), run_single_buf_xfer_test(), stdio_serial_init(), sysclk_enable_peripheral_clock(), sysclk_init(), and test_suite_run().

static void run_multi_buf_xfer_test ( const struct test_case *  test )

static

Test DMA multiple buffer transfer with interrupt mode.

Parameters

test	Current test case.

References DMA_BUF_SIZE, DMA_CH, dmac_channel_enable(), dmac_channel_multi_buf_transfer_init(), dmac_channel_set_configuration(), dmac_enable(), dmac_enable_interrupt(), dmac_init(), DMAC_PRIORITY_ROUND_ROBIN, dmac_set_priority_mode(), g_dma_buf, g_xfer_done, pmc_enable_periph_clk(), test_assert_true, dma_transfer_descriptor_t::ul_ctrlA, dma_transfer_descriptor_t::ul_ctrlB, dma_transfer_descriptor_t::ul_descriptor_addr, dma_transfer_descriptor_t::ul_destination_addr, and dma_transfer_descriptor_t::ul_source_addr.

Referenced by main().

static void run_single_buf_xfer_test ( const struct test_case *  test )

static

Test DMA single buffer transfer with polling mode.

Parameters

test	Current test case.

References DMA_BUF_SIZE, DMA_CH, dmac_channel_enable(), dmac_channel_is_transfer_done(), dmac_channel_set_configuration(), dmac_channel_single_buf_transfer_init(), dmac_enable(), dmac_init(), DMAC_PRIORITY_ROUND_ROBIN, dmac_set_priority_mode(), g_dma_buf, pmc_enable_periph_clk(), test_assert_true, dma_transfer_descriptor_t::ul_ctrlA, dma_transfer_descriptor_t::ul_ctrlB, dma_transfer_descriptor_t::ul_descriptor_addr, dma_transfer_descriptor_t::ul_destination_addr, and dma_transfer_descriptor_t::ul_source_addr.

Referenced by main().

uint32_t g_dma_buf[6][DMA_BUF_SIZE]

DMA buffer.

Referenced by run_multi_buf_xfer_test(), and run_single_buf_xfer_test().

volatile uint32_t g_xfer_done = 0

Referenced by DMAC_Handler(), and run_multi_buf_xfer_test().