1 files changed, 304 insertions, 0 deletions
diff --git a/mega/drivers/macsc/unit_tests/unit_tests.c b/mega/drivers/macsc/unit_tests/unit_tests.c
new file mode 100644
index 00000000..e9f24fb7
--- /dev/null
+++ b/mega/drivers/macsc/unit_tests/unit_tests.c
@@ -0,0 +1,304 @@
+/**
+ * \file
+ *
+ * \brief Unit tests for MEGARF MAC Symbol Counter
+ *
+ * Copyright (C) 2013-2015 Atmel Corporation. All rights reserved.
+ *
+ * \asf_license_start
+ *
+ * \page License
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * 3. The name of Atmel may not be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * 4. This software may only be redistributed and used in connection with an
+ *    Atmel microcontroller product.
+ *
+ * THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
+ * EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * \asf_license_stop
+ *
+ */
+/*
+ * Support and FAQ: visit <a href="http://www.atmel.com/design-support/">Atmel Support</a>
+ */
+#include <asf.h>
+#include <conf_test.h>
+#include <conf_macsc.h>
+//
+/**
+ * \mainpage
+ *
+ * \section intro Introduction
+ * This is the unit test application for the \ref macsc_group. It will
+ * test overflow,compare and backoff slot counter functionality of the MACSC.
+ *
+ * \section files Main Files
+ * - \ref unit_tests.c
+ * - \ref conf_test.h
+ * - \ref conf_board.h
+ * - \ref conf_clock.h
+ * - \ref conf_macsc.h
+ * - \ref conf_usart_serial.h
+ *
+ * \section device_info Device Info
+ * All AVR MEGARF devices with MACSC can be used
+ *
+ * \section description Description of the unit tests
+ * See the documentation for the individual unit test functions
+ * \ref unit_tests.c "here" for detailed descriptions of the tests.
+ *
+ * \section dependencies Dependencies
+ * This example depends directly on the following modules:
+ * - \ref test_suite_group
+ * - \ref macsc_group
+ *
+ * \section compinfo Compilation info
+ * This software was written for the GNU GCC and IAR for AVR. Other compilers
+ * may or may not work.
+ *
+ * \section contactinfo Contact Information
+ * For further information, visit <a href="http://www.atmel.com/">Atmel</a>.\n
+ * Support and FAQ: http://www.atmel.com/design-support/
+ */
+
+//! \name Unit test configuration
+//@{
+/**
+ * \def CONF_TEST_USART
+ * \brief USART to redirect STDIO to
+ */
+/**
+ * \def CONF_TEST_BAUDRATE
+ * \brief Baudrate of USART
+ */
+/**
+ * \def CONF_TEST_CHARLENGTH
+ * \brief Character length (bits) of USART
+ */
+/**
+ * \def CONF_TEST_PARITY
+ * \brief Parity mode of USART
+ */
+/**
+ * \def CONF_TEST_STOPBITS
+ * \brief Stop bit configuration of USART
+ */
+//@}
+
+//! Variable to keep track of test results
+static bool success = false;
+static struct cntstatus
+{
+  bool cmp1:1;
+  bool cmp2:1;
+  bool cmp3:1;
+  bool backoff:1;
+}check;
+
+/**
+ * \brief Symbol Counter Compare 1 interrupt callback function
+ *
+ * This function is called when a compare match has occured on channel 1 of
+ * symbol counter.
+ */
+static void unit_test_cmp1_int_cb(void)
+{
+	check.cmp1 = true;
+}
+
+/**
+ * \brief Symbol Counter Compare 2 interrupt callback function
+ *
+ * This function is called when a compare match has occured on channel 2 of
+ * symbol counter.
+ */
+static void unit_test_cmp2_int_cb(void)
+{
+	check.cmp2 = true;
+}
+
+/**
+ * \brief Symbol Counter Compare 3 interrupt callback function
+ *
+ * This function is called when a compare match has occured on channel 3 of
+ * symbol counter.
+ */
+static void unit_test_cmp3_int_cb(void)
+{
+	check.cmp3 = true;
+}
+
+/**
+ * \brief Symbol Counter back-off slot counter interrupt callback function
+ *
+ * This function is called when a slot counter interrupt has occured 
+ */
+static void unit_test_backoff_slot_cntr_int_cb(void)
+{
+	check.backoff = true;
+}
+
+/**
+ * \brief Run MACSC enable test
+ *
+ * This test verifies that no timeouts are running after initialization
+ *
+ * \param test Current test case.
+ */
+static void test_macsc_enable(const struct test_case *test)
+{
+	success = true;
+	
+        if(!(is_macsc_enable()))
+		success = false;
+		
+	test_assert_true(test, success, "MAC symbol counter enable failed");
+}
+
+/**
+ * \brief Run MACSC compare test 
+ *
+ * This test verifies compare channel functionality
+ * for all 3 cmp channels of the macsc and if cmp match
+ * occurs after set compare interval
+ * \param test Current test case.
+ */
+static void test_macsc_cmp(const struct test_case *test)
+{
+	success = true;
+	
+	macsc_set_cmp1_int_cb(unit_test_cmp1_int_cb);
+	macsc_set_cmp2_int_cb(unit_test_cmp2_int_cb);
+	macsc_set_cmp3_int_cb(unit_test_cmp3_int_cb);
+
+	/*
+	 * Configure MACSC to generate compare interrupts from channels 1,2,3
+	 * Set compare mode to absolute
+	 */
+	macsc_enable_cmp_int(MACSC_CC1);
+	macsc_enable_cmp_int(MACSC_CC2);
+	macsc_enable_cmp_int(MACSC_CC3);
+	
+	macsc_use_cmp(COMPARE_MODE, (MACSC_READ32(SCCNT) + CONFIG_MACSC_TIMEOUT_TICK_HZ) / 4,
+			MACSC_CC1);
+	macsc_use_cmp(COMPARE_MODE, (MACSC_READ32(SCCNT) + CONFIG_MACSC_TIMEOUT_TICK_HZ / 2),
+			MACSC_CC2);
+	macsc_use_cmp(COMPARE_MODE, (MACSC_READ32(SCCNT) + CONFIG_MACSC_TIMEOUT_TICK_HZ), MACSC_CC3);
+
+	delay_ms(1500);
+        
+        if((check.cmp1 == true)&(check.cmp2 == true) & (check.cmp3 == true))
+          success = true;
+        else 
+          success = false;
+    
+	test_assert_true(test, success,"MACSC compare channels test failed");
+}
+
+/**
+ * \brief Backoff slot counter test
+ *
+ * This test starts the backoff slot counter and verifies that the timeout
+ * occurs as expected 10 times.
+ *
+ * \param test Current test case.
+ */
+static void test_macsc_backoff(const struct test_case *test)
+{
+    success = true;
+	
+	macsc_set_backoff_slot_cntr_int_cb(unit_test_backoff_slot_cntr_int_cb);
+
+	macsc_backoff_slot_cnt_enable();
+	
+	if(!(is_macsc_backoff_enable()))
+		success = false;
+	
+	delay_us(400);
+        
+        if(!check.backoff)
+          success = false;
+        
+        macsc_backoff_slot_cnt_disable();
+    
+	test_assert_true(test, success,"MACSC backoff slot counter test failed");
+}
+
+/**
+ * \brief Run MACSC unit tests
+ */
+int main (void)
+{
+	const usart_serial_options_t usart_serial_options =
+	{
+		.baudrate     = CONF_TEST_BAUDRATE,
+		.charlength   = CONF_TEST_CHARLENGTH,
+		.paritytype   = CONF_TEST_PARITY,
+		.stopbits     = CONF_TEST_STOPBITS,
+	};
+
+	board_init();
+	sysclk_init();
+	ioport_init();
+
+	sysclk_enable_peripheral_clock(&TRX_CTRL_0);
+	
+	stdio_serial_init(CONF_TEST_USART, &usart_serial_options);
+	
+	cpu_irq_enable();
+	
+	macsc_enable();
+	macsc_write_clock_source(SYS_CLK_SRC);
+	
+	// Define all the test cases
+	
+	DEFINE_TEST_CASE(macsc_enable_test, NULL, test_macsc_enable, NULL,
+			"Testing MACSC enable");
+			
+	DEFINE_TEST_CASE(macsc_cmp_test, NULL, test_macsc_cmp, NULL,
+			"Testing MACSC compare channels");
+
+
+	DEFINE_TEST_CASE(macsc_backoff_test, NULL, test_macsc_backoff, NULL,
+			"Testing MACSC backoff slot counter");
+
+	// Put test case addresses in an array
+	DEFINE_TEST_ARRAY(macsc_tests) = {
+		&macsc_enable_test,
+		&macsc_cmp_test,
+		&macsc_backoff_test,
+	};
+
+	// Define the test suite
+	DEFINE_TEST_SUITE(macsc_suite, macsc_tests,
+			"MEGARF MAC Symbol Counter test suite");
+
+	// Run all tests in the test suite
+	test_suite_run(&macsc_suite);
+
+	while (1) {
+		// Loop for infinity
+	}
+}