Mbed OS Reference | test_utils.h Source File

 /*
  * Copyright (c) 2019, Arm Limited and affiliates.
  * SPDX-License-Identifier: Apache-2.0
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
  * http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
 
 #ifndef TEST_UTILS_H
 #define TEST_UTILS_H
 
 #include <list>
 
 // test function prototypes
 typedef void (*TF1)(PinName p0);
 typedef void (*TF2)(PinName p0, PinName p1);
 typedef void (*TF3)(PinName p0, PinName p1, PinName p2);
 typedef void (*TF4)(PinName p0, PinName p1, PinName p2, PinName p3);
 typedef void (*TF5)(PinName p0, PinName p1, PinName p2, PinName p3, PinName p4);
 
 template<typename PortType, typename FunctionType, FunctionType f>
 struct FunctionCaller {
 
 };
 
 template<typename PortType, TF1 f>
 struct FunctionCaller<PortType, TF1, f> {
     void operator()(PortType &port)
     {
         f(port.pins[0]);
     }
 };
 
 template<typename PortType, TF2 f>
 struct FunctionCaller<PortType, TF2, f> {
     void operator()(PortType &port)
     {
         f(port.pins[0], port.pins[1]);
     }
 };
 
 template<typename PortType, TF3 f>
 struct FunctionCaller<PortType, TF3, f> {
     void operator()(PortType &port)
     {
         f(port.pins[0], port.pins[1], port.pins[2]);
     }
 };
 
 template<typename PortType, TF4 f>
 struct FunctionCaller<PortType, TF4, f> {
     void operator()(PortType &port)
     {
         f(port.pins[0], port.pins[1], port.pins[2], port.pins[3]);
     }
 };
 
 template<typename PortType, TF5 f>
 struct FunctionCaller<PortType, TF5, f> {
     void operator()(PortType &port)
     {
         f(port.pins[0], port.pins[1], port.pins[2], port.pins[3], port.pins[4]);
     }
 };
 
 template <typename PortType>
 bool peripheral_comparator(const PortType &port1, const PortType &port2)
 {
     return port1.peripheral == port2.peripheral;
 }
 
 template <typename PortType>
 bool peripheral_less(const PortType &port1, const PortType &port2)
 {
     return port1.peripheral < port2.peripheral;
 }
 
 template<typename PortType, typename FormFactorType>
 static bool find_port_pins(PortType &port)
 {
     return pinmap_find_peripheral_pins(FormFactorType::pins(), FormFactorType::restricted_pins(),
                                        port.peripheral, PortType::PinMap::maps, port.ppins, PortType::pin_count);
 }
 
 template<typename PortType, typename FormFactorType>
 void find_ports(std::list<PortType> &matched_ports, std::list<PortType> &not_matched_ports)
 {
     // Loop through every pin type
     for (uint32_t i = 0; i < PortType::pin_count; i++) {
         const PinMap *map = PortType::PinMap::maps[i];
         const char *pin_type = PortType::PinMap::pin_type_names[i];
 
         // Loop through each pin of a given type
         for (; map->pin != NC; map++) {
             PortType port;
             // Set pin being tested
             port.pins[i] = map->pin;
             port.peripheral = map->peripheral;
             // Only form factor pins can be tested
             if (!pinmap_list_has_pin(FormFactorType::pins(), port.pins[i])) {
                 continue;
             }
             // Don't test restricted pins
             if (pinmap_list_has_pin(FormFactorType::restricted_pins(), port.pins[i])) {
                 utest_printf("Skipping %s pin %s (%i)\r\n", pin_type,
                              FormFactorType::pin_to_string(port.pins[i]), port.pins[i]);
                 continue;
             }
             // skipp pin searching if single pin port type
             if (PortType::pin_count > 1) {
                 find_port_pins<PortType, FormFactorType>(port);
             }
             if (port.empty()) {
                 not_matched_ports.push_back(port);
             } else {
                 matched_ports.push_back(port);
             }
         }
     }
 }
 
 
 template<typename PortType, typename FormFactorType, typename FunctionType, FunctionType f>
 void test_all_ports(std::list<PortType> &matched_ports, std::list<PortType> &not_matched_ports)
 {
     typedef typename std::list<PortType>::iterator Iter;
     utest_printf("***Testing %s on all form factor ports***\n", PortType::PinMap::name);
     const PinList *ff_pins = FormFactorType::pins();
     FunctionCaller<PortType, FunctionType, f> call;
 
     if (matched_ports.empty() && not_matched_ports.empty()) {
         utest_printf("Could not find pins for %s testing \n", PortType::PinMap::name);
         return;
     }
 
     for (uint32_t i = 0; i < ff_pins->count; i++) {
         for (Iter it = matched_ports.begin(); it != matched_ports.end(); ++it) {
             PortType &port = *it;
             for (uint32_t j = 0; j < PortType::pin_count; j++) {
                 if (ff_pins->pins[i] == port.pins[j]) {
                     utest_printf("%3s - %s pin tested on port: %s...", FormFactorType::pin_to_string(ff_pins->pins[i]),
                                  PortType::PinMap::pin_type_names[j], port.str());
                     if (port.status == PortType::StatusNotTested) {
                         call(port);
                         port.status = PortType::StatusPass;
                     }
                     utest_printf("%s\n", port.status == PortType::StatusPass ? "succeeded" : "failed");
                     goto end_port_iteration;
                 }
             }
         }
         for (Iter it = not_matched_ports.begin(); it != not_matched_ports.end(); ++it) {
             PortType &port = *it;
             for (uint32_t j = 0; j < PortType::pin_count; j++) {
                 if (ff_pins->pins[i] == port.pins[j]) {
                     utest_printf("%3s - Could not find pins to test %s pin %s (%d)\n",
                                  FormFactorType::pin_to_string(ff_pins->pins[i]),
                                  PortType::PinMap::pin_type_names[j],
                                  FormFactorType::pin_to_string(ff_pins->pins[i]),
                                  ff_pins->pins[i]);
                     goto end_port_iteration;
                 }
             }
         }
 end_port_iteration:
         ;
     }
 }
 
 template<typename PortType, typename FunctionType, FunctionType f>
 void test_peripheral(PortType &port)
 {
     if (port.empty()) {
         utest_printf("%d - Could not find pins to test peripheral\n", port.peripheral);
     } else {
         utest_printf("%d - peripheral tested on port: %s...", port.peripheral, port.str());
         if (port.status == PortType::StatusNotTested) {
             FunctionCaller<PortType, FunctionType, f> call;
             call(port); // run test
             port.status = PortType::StatusPass;
         }
         utest_printf("%s\n", port.status == PortType::StatusPass ? "succeeded" : "failed");
     }
 }
 
 template<typename PortType, typename FunctionType, FunctionType f>
 void test_all_peripherals(std::list<PortType> &matched_ports, std::list<PortType> &not_matched_ports)
 {
     typedef typename std::list<PortType>::iterator Iter;
     utest_printf("***Testing all %s peripherals***\n", PortType::PinMap::name);
 
     if (matched_ports.empty() && not_matched_ports.empty()) {
         utest_printf("Could not find pins for %s testing \n", PortType::PinMap::name);
         return;
     }
 
     matched_ports.sort(peripheral_less<PortType>);
     not_matched_ports.sort(peripheral_less<PortType>);
 
     for (Iter m_it = matched_ports.begin(), nm_it = not_matched_ports.begin();
             m_it != matched_ports.end() || nm_it != not_matched_ports.end();) {
         if (m_it != matched_ports.end() && nm_it != not_matched_ports.end()) {
             if ((*m_it).peripheral < (*nm_it).peripheral) {
                 test_peripheral<PortType, FunctionType, f>(*m_it);
                 ++m_it;
             } else {
                 test_peripheral<PortType, FunctionType, f>(*nm_it);
                 ++nm_it;
             }
         } else if (m_it != matched_ports.end()) {
             test_peripheral<PortType, FunctionType, f>(*m_it);
             ++m_it;
         } else if (nm_it != not_matched_ports.end()) {
             test_peripheral<PortType, FunctionType, f>(*nm_it);
             ++nm_it;
         }
     }
 }
 
 /**
  * Test function for all pinouts of all peripherals of a given type
  *
  * This template function takes in three template parameters:
  * - PortType - The type of peripheral to test
  * - FormFactorType - The form factor to test on
  * - f - The test function to run.
  *
  * This function calls the test function multiple times with
  * the appropriate combinations of pins.
  */
 template<typename PortType, typename FormFactorType, typename PortType::TestFunctionType f>
 void all_ports()
 {
     std::list<PortType> matched_ports, not_matched_ports;
     find_ports<PortType, FormFactorType>(matched_ports, not_matched_ports);
     matched_ports.unique();
     not_matched_ports.unique();
     test_all_ports<PortType, FormFactorType, typename PortType::TestFunctionType, f>(matched_ports, not_matched_ports);
 }
 
 /**
  * Test function for one pinout of all peripherals of a given type
  *
  * This template function takes in three template parameters:
  * - PortType - The type of peripheral to test
  * - FormFactorType - The form factor to test on
  * - f - The test function to run.
  *
  * This function calls the test function once for each peripheral
  * of the given type.
  */
 template<typename PortType, typename FormFactorType, typename PortType::TestFunctionType f>
 void all_peripherals()
 {
     std::list<PortType> matched_ports, not_matched_ports;
     find_ports<PortType, FormFactorType>(matched_ports, not_matched_ports);
 
     matched_ports.sort(peripheral_less<PortType>);
     not_matched_ports.sort(peripheral_less<PortType>);
     matched_ports.unique(peripheral_comparator<PortType>);
     not_matched_ports.unique(peripheral_comparator<PortType>);
 
     test_all_peripherals<PortType, typename PortType::TestFunctionType, f>(matched_ports, not_matched_ports);
 }
 
 /**
  * Test function for one pinout of one peripheral of a given type
  *
  * This template function takes in three template parameters:
  * - PortType - The type of peripheral to test
  * - FormFactorType - The form factor to test on
  * - f - The test function to run.
  *
  * This function calls the test function once for one peripheral
  * of the given type.
  */
 template<typename PortType, typename FormFactorType, typename PortType::TestFunctionType f>
 void one_peripheral()
 {
     std::list<PortType> matched_ports, not_matched_ports;
     find_ports<PortType, FormFactorType>(matched_ports, not_matched_ports);
 
     utest_printf("***Testing one %s pin configuration***\n", PortType::PinMap::name);
     if (matched_ports.empty()) {
         utest_printf("Could not find pins for %s testing \n", PortType::PinMap::name);
     } else {
         test_peripheral<PortType, typename PortType::TestFunctionType, f>(matched_ports.front());
     }
 }
 
 template <uint32_t N, typename PinMapType, typename FormFactorType, typename TestFunctionType>
 class Port;
 
 template <uint32_t N, typename PinMapType, typename FormFactorType, typename TestFunctionType>
 bool operator== (const Port<N, PinMapType, FormFactorType, TestFunctionType> &port1,
                  const Port<N, PinMapType, FormFactorType, TestFunctionType> &port2);
 
 template <uint32_t N, typename PinMapType, typename FormFactorType, typename FunctionType>
 class Port {
 public:
     int peripheral;
     PinName pins[N];
     PinName *ppins[N];
 
     static const uint32_t pin_count = N;
     typedef PinMapType PinMap;
     typedef FunctionType TestFunctionType;
 
     enum Status { StatusPass, StatusFail, StatusNotTested };
     Status status;
 
     Port(): peripheral(NC), status(StatusNotTested)
     {
         init_pins();
     }
 
     Port(const Port &port)
     {
         init_pins();
         copy_from(port);
     }
 
     void init_pins()
     {
         for (uint32_t i = 0; i < N; i++) {
             pins[i] = NC;
             ppins[i] = &pins[i];
         }
     }
 
     void copy_from(const Port &port)
     {
         peripheral = port.peripheral;
         status = port.status;
         for (uint32_t i = 0; i < N; i++) {
             pins[i] = port.pins[i];
         }
     }
 
     bool empty()
     {
         if (peripheral == NC) {
             return true;
         }
         for (uint32_t i = 0; i < N; i++) {
             if (pins[i] == NC) {
                 return true;
             }
         }
         return false;
     }
 
     const char *str()
     {
         static char port_str[128];
         char pin_str[32];
         sprintf(port_str, "peripheral=(%d) ", peripheral);
         for (uint32_t i = 0; i < N; i++) {
             sprintf(pin_str, "%s=(%s) ", PinMap::pin_type_names[i], FormFactorType::pin_to_string(pins[i]));
             strcat(port_str, pin_str);
         }
         return port_str;
     }
 
     friend bool operator==<> (const Port<N, PinMapType, FormFactorType, FunctionType> &port1, const Port<N, PinMapType, FormFactorType, FunctionType> &port2);
 };
 
 template <uint32_t N, typename PinMapType, typename FormFactorType, typename FunctionType>
 const uint32_t Port<N, PinMapType, FormFactorType, FunctionType>::pin_count;
 
 template <uint32_t N, typename PinMapType, typename FormFactorType, typename FunctionType>
 bool operator== (const Port<N, PinMapType, FormFactorType, FunctionType> &port1, const Port<N, PinMapType, FormFactorType, FunctionType> &port2)
 {
     if (port1.peripheral != port2.peripheral) {
         return false;
     }
     for (uint32_t i = 0; i < N; i++) {
         if (port1.pins[i] != port2.pins[i]) {
             return false;
         }
     }
     return true;
 }
 
 /**
  * This is a convenience class for use with the above templates
  *
  * This class can be passed as a template parameter to all_ports,
  * all_peripherals or one_peripheral to choose test pins from
  * the default form factor.
  */
 class DefaultFormFactor {
 public:
     static const PinList *pins()
     {
         return pinmap_ff_default_pins();
     }
 
     static const PinList *restricted_pins()
     {
         return pinmap_restricted_pins();
     }
 
     static const char *pin_to_string(PinName pin)
     {
         return pinmap_ff_default_pin_to_string(pin);
     }
 };
 
 /*
  * Peripheral port declarations are given below
  *
  * Each Port type represents a set of pins used by a peripheral.
  * The Port typedef is used as a template parameter to the functions
  * all_ports, all_peripherals and one_peripheral to select the peripheral
  * pin set to use for testing.
  */
 
 #if DEVICE_SPI
 #include "spi_api.h"
 struct SPIMaps {
     static const PinMap *maps[];
     static const char *const pin_type_names[];
     static const char *const name;
 };
 const PinMap *SPIMaps::maps[] = { spi_master_mosi_pinmap(), spi_master_miso_pinmap(), spi_master_clk_pinmap(), spi_master_cs_pinmap() };
 const char *const SPIMaps::pin_type_names[] = { "MOSI", "MISO", "SCLK", "SSEL" };
 const char *const SPIMaps::name = "SPI";
 typedef Port<4, SPIMaps, DefaultFormFactor, TF4> SPIPort;
 
 struct SPINoCSMaps {
     static const PinMap *maps[];
     static const char *const pin_type_names[];
     static const char *const name;
 };
 const PinMap *SPINoCSMaps::maps[] = { spi_master_mosi_pinmap(), spi_master_miso_pinmap(), spi_master_clk_pinmap()};
 const char *const SPINoCSMaps::pin_type_names[] = { "MOSI", "MISO", "SCLK" };
 const char *const SPINoCSMaps::name = "SPI";
 typedef Port<3, SPINoCSMaps, DefaultFormFactor, TF3> SPINoCSPort;
 
 struct SPISlaveMaps {
     static const PinMap *maps[];
     static const char *const pin_type_names[];
     static const char *const name;
 };
 const PinMap *SPISlaveMaps::maps[] = { spi_slave_mosi_pinmap(), spi_slave_miso_pinmap(), spi_slave_clk_pinmap(), spi_slave_cs_pinmap() };
 const char *const SPISlaveMaps::pin_type_names[] = { "MOSI", "MISO", "SCLK", "SSEL" };
 const char *const SPISlaveMaps::name = "SPISlave";
 typedef Port<4, SPISlaveMaps, DefaultFormFactor, TF4> SPISlavePort;
 #endif
 
 #if DEVICE_I2C
 #include "i2c_api.h"
 struct I2CMaps {
     static const PinMap *maps[];
     static const char *const pin_type_names[];
     static const char *const name;
 };
 const PinMap *I2CMaps::maps[] = { i2c_master_sda_pinmap(), i2c_master_scl_pinmap() };
 const char *const I2CMaps::pin_type_names[] = { "SDA", "SCL" };
 const char *const I2CMaps::name = "I2C";
 typedef Port<2, I2CMaps, DefaultFormFactor, TF2> I2CPort;
 #endif
 
 #if DEVICE_PWMOUT
 #include "pwmout_api.h"
 struct PWMMaps {
     static const PinMap *maps[];
     static const char *const pin_type_names[];
     static const char *const name;
 };
 const PinMap *PWMMaps::maps[] = { pwmout_pinmap() };
 const char *const PWMMaps::pin_type_names[] = { "PWM_OUT" };
 const char *const PWMMaps::name = "PWM";
 typedef Port<1, PWMMaps, DefaultFormFactor, TF1> PWMPort;
 #endif
 
 #if DEVICE_ANALOGIN
 #include "analogin_api.h"
 struct AnaloginMaps {
     static const PinMap *maps[];
     static const char *const pin_type_names[];
     static const char *const name;
 };
 const PinMap *AnaloginMaps::maps[] = { analogin_pinmap() };
 const char *const AnaloginMaps::pin_type_names[] = { "ADC_IN" };
 const char *const AnaloginMaps::name = "ADC";
 typedef Port<1, AnaloginMaps, DefaultFormFactor, TF1> AnaloginPort;
 #endif
 
 #if DEVICE_ANALOGOUT
 #include "analogout_api.h"
 struct AnalogoutMaps {
     static const PinMap *maps[];
     static const char *const pin_type_names[];
     static const char *const name;
 };
 const PinMap *AnalogoutMaps::maps[] = { analogout_pinmap() };
 const char *const AnalogoutMaps::pin_type_names[] = { "DAC_OUT" };
 const char *const AnalogoutMaps::name = "DAC";
 typedef Port<1, AnalogoutMaps, DefaultFormFactor, TF1> AnalogoutPort;
 #endif
 
 #if DEVICE_SERIAL
 struct UARTMaps {
     static const PinMap *maps[];
     static const char *const pin_type_names[];
     static const char *const name;
 };
 const PinMap *UARTMaps::maps[] = { serial_tx_pinmap(), serial_rx_pinmap(), serial_cts_pinmap(), serial_rts_pinmap() };
 const char *const UARTMaps::pin_type_names[] = { "TX", "RX", "CLS", "RTS" };
 const char *const UARTMaps::name = "UART";
 typedef Port<4, UARTMaps, DefaultFormFactor, TF4> UARTPort;
 
 struct UARTNoFCMaps {
     static const PinMap *maps[];
     static const char *const pin_type_names[];
     static const char *const name;
 };
 const PinMap *UARTNoFCMaps::maps[] = { serial_tx_pinmap(), serial_rx_pinmap() };
 const char *const UARTNoFCMaps::pin_type_names[] = { "TX", "RX" };
 const char *const UARTNoFCMaps::name = "UART-no-FC";
 typedef Port<2, UARTNoFCMaps, DefaultFormFactor, TF2> UARTNoFCPort;
 #endif
 
 #endif
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