mirror of https://github.com/ARMmbed/mbed-os.git
130 lines
4.5 KiB
C++
130 lines
4.5 KiB
C++
/*
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* Copyright (c) 2019, Arm Limited and affiliates.
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#if !DEVICE_SPI
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#error [NOT_SUPPORTED] SPI not supported for this target
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#elif !COMPONENT_FPGA_CI_TEST_SHIELD
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#error [NOT_SUPPORTED] FPGA CI Test Shield is needed to run this test
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#elif !TARGET_FF_ARDUINO
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#error [NOT_SUPPORTED] Test not supported for this form factor
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#else
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#include "utest/utest.h"
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#include "unity/unity.h"
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#include "greentea-client/test_env.h"
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#include "mbed.h"
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using namespace utest::v1;
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#include "SPIMasterTester.h"
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#include "pinmap.h"
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#include "test_utils.h"
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const int TRANSFER_COUNT = 300;
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SPIMasterTester tester(DefaultFormFactor::pins(), DefaultFormFactor::restricted_pins());
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void spi_test_init_free(PinName mosi, PinName miso, PinName sclk, PinName ssel)
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{
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spi_t spi;
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spi_init(&spi, mosi, miso, sclk, ssel);
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spi_format(&spi, 8, SPITester::Mode0, 0);
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spi_frequency(&spi, 1000000);
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spi_free(&spi);
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}
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void spi_test_common(PinName mosi, PinName miso, PinName sclk, PinName ssel, SPITester::SpiMode spi_mode, uint32_t sym_size)
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{
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uint32_t sym_mask = ((1 << sym_size) - 1);
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// Remap pins for test
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tester.reset();
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tester.pin_map_set(mosi, MbedTester::LogicalPinSPIMosi);
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tester.pin_map_set(miso, MbedTester::LogicalPinSPIMiso);
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tester.pin_map_set(sclk, MbedTester::LogicalPinSPISclk);
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tester.pin_map_set(ssel, MbedTester::LogicalPinSPISsel);
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// Initialize mbed SPI pins
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spi_t spi;
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spi_init(&spi, mosi, miso, sclk, ssel);
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spi_format(&spi, sym_size, spi_mode, 0);
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spi_frequency(&spi, 1000000);
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// Configure spi_slave module
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tester.set_mode(spi_mode);
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tester.set_bit_order(SPITester::MSBFirst);
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tester.set_sym_size(sym_size);
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// Reset tester stats and select SPI
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tester.peripherals_reset();
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tester.select_peripheral(SPITester::PeripheralSPI);
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// Send and receive test data
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uint32_t checksum = 0;
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for (int i = 0; i < TRANSFER_COUNT; i++) {
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uint32_t data = spi_master_write(&spi, (0 - i) & sym_mask);
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TEST_ASSERT_EQUAL(i & sym_mask, data);
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checksum += (0 - i) & sym_mask;
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}
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// Verify that the transfer was successful
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TEST_ASSERT_EQUAL(TRANSFER_COUNT, tester.get_transfer_count());
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TEST_ASSERT_EQUAL(checksum, tester.get_receive_checksum());
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spi_free(&spi);
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tester.reset();
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}
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template<SPITester::SpiMode spi_mode, uint32_t sym_size>
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void spi_test_common(PinName mosi, PinName miso, PinName sclk, PinName ssel)
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{
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spi_test_common(mosi, miso, sclk, ssel, spi_mode, sym_size);
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}
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Case cases[] = {
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// This will be run for all pins
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Case("SPI - init/free test all pins", all_ports<SPIPort, DefaultFormFactor, spi_test_init_free>),
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// This will be run for all peripherals
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Case("SPI - basic test", all_peripherals<SPIPort, DefaultFormFactor, spi_test_common<SPITester::Mode0, 8> >),
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// This will be run for single pin configuration
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Case("SPI - mode testing (MODE_1)", one_peripheral<SPIPort, DefaultFormFactor, spi_test_common<SPITester::Mode1, 8> >),
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Case("SPI - mode testing (MODE_2)", one_peripheral<SPIPort, DefaultFormFactor, spi_test_common<SPITester::Mode2, 8> >),
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Case("SPI - mode testing (MODE_3)", one_peripheral<SPIPort, DefaultFormFactor, spi_test_common<SPITester::Mode3, 8> >),
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Case("SPI - symbol size testing (4)", one_peripheral<SPIPort, DefaultFormFactor, spi_test_common<SPITester::Mode0, 4> >),
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Case("SPI - symbol size testing (12)", one_peripheral<SPIPort, DefaultFormFactor, spi_test_common<SPITester::Mode0, 12> >),
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Case("SPI - symbol size testing (16)", one_peripheral<SPIPort, DefaultFormFactor, spi_test_common<SPITester::Mode0, 16> >)
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};
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utest::v1::status_t greentea_test_setup(const size_t number_of_cases)
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{
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GREENTEA_SETUP(60, "default_auto");
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return greentea_test_setup_handler(number_of_cases);
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}
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Specification specification(greentea_test_setup, cases, greentea_test_teardown_handler);
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int main()
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{
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Harness::run(specification);
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}
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#endif /* !DEVICE_SPI */
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