mirror of https://github.com/ARMmbed/mbed-os.git
Merge pull request #11012 from c1728p9/remove_analog_out
Remove FPGA analog out testpull/11024/head
Martin Kojtal
GitHub
commit
90aaa83723
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/*
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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_ANALOGOUT
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#error [NOT_SUPPORTED] Analog out 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 !defined(TARGET_FF_ARDUINO) && !defined(MBED_CONF_TARGET_DEFAULT_FORM_FACTOR)
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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 <inttypes.h>
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#include "mbed.h"
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using namespace utest::v1;
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#include "MbedTester.h"
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#include "pinmap.h"
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#include "test_utils.h"
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#if !DEVICE_ANALOGOUT
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#error [NOT_SUPPORTED] Analog out not supported for this target
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#endif
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#define analogout_debug_printf(...)
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#define DELTA_FLOAT 0.03f // 3%
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/* Enable for power analysis */
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#define DEBUG 0
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const PinList *form_factor = pinmap_ff_default_pins();
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const PinList *restricted = pinmap_restricted_pins();
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MbedTester tester(form_factor, restricted);
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void analogout_init_free(PinName pin)
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{
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dac_t analogout;
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analogout_debug_printf("Analog output init/free test on pin=%s (%i)\r\n", pinmap_ff_default_pin_to_string(pin), pin);
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analogout_init(&analogout, pin);
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analogout_free(&analogout);
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}
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void analogout_test(PinName pin)
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{
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analogout_debug_printf("Analog input test on pin %s (%i)\r\n", pinmap_ff_default_pin_to_string(pin), pin);
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tester.reset();
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tester.peripherals_reset();
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/* Test analog input */
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dac_t analogout;
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analogout_init(&analogout, pin);
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tester.set_sample_adc(true);//begin ADC sampling on the FPGA
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float anin;
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float i;
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for (i = 0.0f; i < 0.304f; i += 0.0303f) {//0V-1V, float
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analogout_write(&analogout, i);
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anin = tester.get_analog_in();
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TEST_ASSERT_FLOAT_WITHIN(DELTA_FLOAT, (i * 3.3f), anin);
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}
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i = 0.0f;
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for (uint16_t i_d16 = 0; i_d16 < 19851; i_d16 += 1985) {//0V-1V, 16-bit
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analogout_write_u16(&analogout, i_d16);
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anin = tester.get_analog_in();
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TEST_ASSERT_FLOAT_WITHIN(DELTA_FLOAT, (i * 3.3f), anin);
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i += 0.0303f;
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}
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analogout_free(&analogout);
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tester.set_sample_adc(false);//stop ADC sampling on the FPGA
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#if DEBUG
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// power analysis
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uint64_t sum;
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uint32_t samples;
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uint64_t cycles;
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tester.get_anin_sum_samples_cycles(0, &sum, &samples, &cycles);
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printf("ANIN0\r\n");
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printf("Sum: %llu\r\n", sum);
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printf("Num power samples: %d\r\n", samples);
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printf("Num power cycles: %llu\r\n", cycles);
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printf("ANIN0 voltage: %.6fV\r\n", tester.get_anin_voltage(0));
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#endif
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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("Analogout - init test", all_ports<AnalogoutPort, DefaultFormFactor, analogout_init_free>),
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// This will be run for single pin
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Case("Analogout - write/read test", all_ports<AnalogoutPort, DefaultFormFactor, analogout_test>),
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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(120, "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_ANALOGOUT */
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