unit_tests.c File Reference

Unit tests for SSC driver.

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

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

Macros
#define	BIT_LEN_PER_CHANNEL   8
	SSC work bit rate. More...
#define	BUFFER_SIZE   10
	Transmitter and receiver buffer size. More...
#define	SAMPLE_RATE   8000
#define	SSC_BIT_RATE   (BIT_LEN_PER_CHANNEL * SAMPLE_RATE)
#define	SSC_IRQ_PRIO   4
	The SSC interrupt IRQ priority. More...

Functions
int	main (void)
	Run SSC driver unit tests. More...
static void	run_ssc_test (const struct test_case *test)
	Test Synchronous Serial Controller. More...
void	SSC_Handler (void)
	Synchronous Serial Controller Handler. More...

Variables
uint8_t	g_uc_rx_buff [BUFFER_SIZE]
	Receiver buffer content. More...
volatile uint8_t	g_uc_rx_done = 0
	Receive done flag. More...
uint8_t	g_uc_rx_index = 0
	Receive index. More...
uint8_t	g_uc_tx_buff [BUFFER_SIZE]
	Transmit buffer content. More...
uint8_t	g_uc_tx_index = 0
	Transmit index. More...

#define BIT_LEN_PER_CHANNEL   8

SSC work bit rate.

Referenced by run_ssc_test().

#define BUFFER_SIZE   10

Transmitter and receiver buffer size.

Referenced by run_ssc_test(), and SSC_Handler().

#define SAMPLE_RATE   8000

#define SSC_BIT_RATE   (BIT_LEN_PER_CHANNEL * SAMPLE_RATE)

Referenced by run_ssc_test().

#define SSC_IRQ_PRIO   4

The SSC interrupt IRQ priority.

Referenced by run_ssc_test().

int main

(

void

)

Run SSC driver unit tests.

References uart_rs232_options::baudrate, board_init(), CONF_TEST_BAUDRATE, CONF_TEST_CHAR_LENGTH, CONF_TEST_PARITY, CONF_TEST_STOP_BITS, CONF_TEST_USART, CONSOLE_UART_ID, DEFINE_TEST_ARRAY, DEFINE_TEST_CASE, DEFINE_TEST_SUITE, run_ssc_test(), stdio_serial_init(), sysclk_enable_peripheral_clock(), sysclk_init(), and test_suite_run().

static void run_ssc_test ( const struct test_case *  test )

static

Test Synchronous Serial Controller.

This test sets SSC module in the loop mode and check the receiver data whether it's the same as the transmit data.

Parameters

test	Current test case.

References BIT_LEN_PER_CHANNEL, BUFFER_SIZE, g_uc_rx_buff, g_uc_rx_done, g_uc_tx_buff, g_uc_tx_index, pmc_enable_periph_clk(), SSC_BIT_RATE, ssc_enable_interrupt(), ssc_enable_rx(), ssc_enable_tx(), SSC_IRQ_PRIO, ssc_reset(), ssc_set_clock_divider(), ssc_set_loop_mode(), ssc_set_receiver(), ssc_set_transmitter(), ssc_write(), sysclk_get_cpu_hz(), test_assert_true, clock_opt_t::ul_ckg, clock_opt_t::ul_cki, clock_opt_t::ul_cko, clock_opt_t::ul_cks, data_frame_opt_t::ul_datlen, data_frame_opt_t::ul_datnb, data_frame_opt_t::ul_fsedge, data_frame_opt_t::ul_fslen, data_frame_opt_t::ul_fslen_ext, data_frame_opt_t::ul_fsos, data_frame_opt_t::ul_msbf, clock_opt_t::ul_period, clock_opt_t::ul_start_sel, and clock_opt_t::ul_sttdly.

Referenced by main().

void SSC_Handler

(

void

)

Synchronous Serial Controller Handler.

References BUFFER_SIZE, g_uc_rx_buff, g_uc_rx_done, g_uc_rx_index, ssc_disable_interrupt(), ssc_get_status(), and ssc_read().

uint8_t g_uc_rx_buff[BUFFER_SIZE]

Receiver buffer content.

Referenced by run_ssc_test(), and SSC_Handler().

volatile uint8_t g_uc_rx_done = 0

Receive done flag.

Referenced by run_ssc_test(), and SSC_Handler().

uint8_t g_uc_rx_index = 0

Receive index.

Referenced by SSC_Handler().

uint8_t g_uc_tx_buff[BUFFER_SIZE]

Initial value:

=
    { 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89 }

Transmit buffer content.

Referenced by run_ssc_test().

uint8_t g_uc_tx_index = 0

Transmit index.

Referenced by run_ssc_test().