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PWM test : Make PWM pin configurable
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PWM_0 is no more hardcoded connected to D2.
The new function is deducting the PinIn depending on the PinOut value.
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@jeromecoutant
jeromecoutant committed Mar 16, 2017
1 parent 7f21491 commit 51dd0c7
Showing 1 changed file with 73 additions and 34 deletions.
107 changes: 73 additions & 34 deletions TESTS/API/Pwm/Pwm.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -51,6 +51,42 @@ void duty_cbfn_fall(void)
}
}

PinName PWM_IN(PinName pwm_out_pin)
{
switch ( pwm_out_pin ) {
case MBED_CONF_APP_DIO_0:
return MBED_CONF_APP_DIO_1;
break;
case MBED_CONF_APP_DIO_1:
return MBED_CONF_APP_DIO_0;
break;
case MBED_CONF_APP_DIO_2:
return MBED_CONF_APP_DIO_3;
break;
case MBED_CONF_APP_DIO_3:
return MBED_CONF_APP_DIO_2;
break;
case MBED_CONF_APP_DIO_4:
return MBED_CONF_APP_DIO_5;
break;
case MBED_CONF_APP_DIO_5:
return MBED_CONF_APP_DIO_4;
break;
case MBED_CONF_APP_DIO_6:
return MBED_CONF_APP_DIO_7;
break;
case MBED_CONF_APP_DIO_7:
return MBED_CONF_APP_DIO_6;
break;
case MBED_CONF_APP_DIO_8:
return MBED_CONF_APP_DIO_9;
break;
case MBED_CONF_APP_DIO_9:
return MBED_CONF_APP_DIO_8;
break;
}
}

// Template to test the Duty cycle API on PWM Pins. This test will collect a sample size of tests and average out the length of the duty cycle
// the averaged duty cycle is then compared against the expected duty cycle.
void PWM_Duty_slave(PinName pwm_out_pin, PinName int_in_pin, int period_in_ms, float duty_cycle_percent)
Expand Down Expand Up @@ -91,13 +127,14 @@ void PWM_Duty_slave(PinName pwm_out_pin, PinName int_in_pin, int period_in_ms, f
}

// Template to iterate through a PWM pin, takes in period and tries 10%-100% duty cycle in intervals of 10%
template <PinName pwm_out_pin, PinName int_in_pin, int period_in_miliseconds>
template <PinName pwm_out_pin, int period_in_miliseconds>
void PWM_DutyCycle_Test()
{
#define DUTY_CYCLE_STEP 0.2f
#define MIN_DUTY_CYCLE 0.1f
#define MAX_DUTY_CYCLE 0.9f

PinName int_in_pin = PWM_IN(pwm_out_pin);
float x = 0;
for(x = MIN_DUTY_CYCLE; x < MAX_DUTY_CYCLE; x = x+DUTY_CYCLE_STEP){ // iterate duty cycle test
PWM_Duty_slave(pwm_out_pin, int_in_pin, period_in_miliseconds, x);
Expand All @@ -121,9 +158,11 @@ void cbfn_fall(void)

// Template to test that a PWM signal has the correct length by measuring the number of rise and fall
// interrupts during a specified number of tests.
template <PinName pwm_out_pin, PinName int_in_pin, int period_in_miliseconds, int num_tests>
template <PinName pwm_out_pin, int period_in_miliseconds, int num_tests>
void PWM_Period_Test()
{
PinName int_in_pin = PWM_IN(pwm_out_pin);

// Initialize PWM, InterruptIn, Timer, and Rising / Falling edge counts
fall_count = 0;
rise_count = 0;
Expand Down Expand Up @@ -217,40 +256,40 @@ Case cases[] = {
Case("Pwm object definable", pwm_define_test,greentea_failure_handler), // test pwm object constructor works

// Test Frequency length by counting rise / fall ticks
Case("PWM_0 Frequency 10ms", PWM_Period_Test< MBED_CONF_APP_PWM_0, MBED_CONF_APP_DIO_2, 10, 1000 >, greentea_failure_handler), // Test at 10ms 100 times, default 50%duty cycle
Case("PWM_0 Frequency 30ms", PWM_Period_Test< MBED_CONF_APP_PWM_0, MBED_CONF_APP_DIO_2, 30, 100 >, greentea_failure_handler), // Test at 30ms 100 times, default 50%duty cycle
Case("PWM_0 Frequency 100ms", PWM_Period_Test< MBED_CONF_APP_PWM_0, MBED_CONF_APP_DIO_2, 100, 100 >, greentea_failure_handler), // Test at 100ms 100 times, default 50%duty cycle
//Case("PWM_0 Frequency 500ms", PWM_Period_Test< MBED_CONF_APP_PWM_0, MBED_CONF_APP_DIO_2, 500, 20 >, greentea_failure_handler), // Test at 500ms 20 times, default 50%duty cycle
Case("PWM_1 Frequency 10ms", PWM_Period_Test< MBED_CONF_APP_PWM_1, MBED_CONF_APP_DIO_4, 10, 1000 >, greentea_failure_handler), // Test at 10ms 100 times, default 50%duty cycle
Case("PWM_1 Frequency 30ms", PWM_Period_Test< MBED_CONF_APP_PWM_1, MBED_CONF_APP_DIO_4, 30, 100 >, greentea_failure_handler), // Test at 30ms 100 times, default 50%duty cycle
Case("PWM_1 Frequency 100ms", PWM_Period_Test< MBED_CONF_APP_PWM_1, MBED_CONF_APP_DIO_4, 100, 100 >, greentea_failure_handler), // Test at 100ms 100 times, default 50%duty cycle
//Case("PWM_1 Frequency 500ms", PWM_Period_Test< MBED_CONF_APP_PWM_1, MBED_CONF_APP_DIO_4, 500, 20 >, greentea_failure_handler), // Test at 500ms 20 times, default 50%duty cycle
Case("PWM_2 Frequency 10ms", PWM_Period_Test< MBED_CONF_APP_PWM_2, MBED_CONF_APP_DIO_7, 10, 1000 >, greentea_failure_handler), // Test at 10ms 100 times, default 50%duty cycle
Case("PWM_2 Frequency 30ms", PWM_Period_Test< MBED_CONF_APP_PWM_2, MBED_CONF_APP_DIO_7, 30, 100 >, greentea_failure_handler), // Test at 30ms 100 times, default 50%duty cycle
Case("PWM_2 Frequency 100ms", PWM_Period_Test< MBED_CONF_APP_PWM_2, MBED_CONF_APP_DIO_7, 100, 100 >, greentea_failure_handler), // Test at 100ms 100 times, default 50%duty cycle
//Case("PWM_2 Frequency 500ms", PWM_Period_Test< MBED_CONF_APP_PWM_2, MBED_CONF_APP_DIO_7, 500, 20 >, greentea_failure_handler), // Test at 500ms 20 times, default 50%duty cycle
Case("PWM_3 Frequency 10ms", PWM_Period_Test< MBED_CONF_APP_PWM_3, MBED_CONF_APP_DIO_8, 10, 1000 >, greentea_failure_handler), // Test at 10ms 100 times, default 50%duty cycle
Case("PWM_3 Frequency 30ms", PWM_Period_Test< MBED_CONF_APP_PWM_3, MBED_CONF_APP_DIO_8, 30, 100 >, greentea_failure_handler), // Test at 30ms 100 times, default 50%duty cycle
Case("PWM_3 Frequency 100ms", PWM_Period_Test< MBED_CONF_APP_PWM_3, MBED_CONF_APP_DIO_8, 100, 100 >, greentea_failure_handler), // Test at 100ms 100 times, default 50%duty cycle
//Case("PWM_3 Frequency 500ms", PWM_Period_Test< MBED_CONF_APP_PWM_3, MBED_CONF_APP_DIO_8, 500, 20 >, greentea_failure_handler), // Test at 500ms 20 times, default 50%duty cycle
Case("PWM_0 Frequency 10ms", PWM_Period_Test< MBED_CONF_APP_PWM_0, 10, 1000 >, greentea_failure_handler), // Test at 10ms 100 times, default 50%duty cycle
Case("PWM_0 Frequency 30ms", PWM_Period_Test< MBED_CONF_APP_PWM_0, 30, 100 >, greentea_failure_handler), // Test at 30ms 100 times, default 50%duty cycle
Case("PWM_0 Frequency 100ms", PWM_Period_Test< MBED_CONF_APP_PWM_0, 100, 100 >, greentea_failure_handler), // Test at 100ms 100 times, default 50%duty cycle
//Case("PWM_0 Frequency 500ms", PWM_Period_Test< MBED_CONF_APP_PWM_0, 500, 20 >, greentea_failure_handler), // Test at 500ms 20 times, default 50%duty cycle
Case("PWM_1 Frequency 10ms", PWM_Period_Test< MBED_CONF_APP_PWM_1, 10, 1000 >, greentea_failure_handler), // Test at 10ms 100 times, default 50%duty cycle
Case("PWM_1 Frequency 30ms", PWM_Period_Test< MBED_CONF_APP_PWM_1, 30, 100 >, greentea_failure_handler), // Test at 30ms 100 times, default 50%duty cycle
Case("PWM_1 Frequency 100ms", PWM_Period_Test< MBED_CONF_APP_PWM_1, 100, 100 >, greentea_failure_handler), // Test at 100ms 100 times, default 50%duty cycle
//Case("PWM_1 Frequency 500ms", PWM_Period_Test< MBED_CONF_APP_PWM_1, 500, 20 >, greentea_failure_handler), // Test at 500ms 20 times, default 50%duty cycle
Case("PWM_2 Frequency 10ms", PWM_Period_Test< MBED_CONF_APP_PWM_2, 10, 1000 >, greentea_failure_handler), // Test at 10ms 100 times, default 50%duty cycle
Case("PWM_2 Frequency 30ms", PWM_Period_Test< MBED_CONF_APP_PWM_2, 30, 100 >, greentea_failure_handler), // Test at 30ms 100 times, default 50%duty cycle
Case("PWM_2 Frequency 100ms", PWM_Period_Test< MBED_CONF_APP_PWM_2, 100, 100 >, greentea_failure_handler), // Test at 100ms 100 times, default 50%duty cycle
//Case("PWM_2 Frequency 500ms", PWM_Period_Test< MBED_CONF_APP_PWM_2, 500, 20 >, greentea_failure_handler), // Test at 500ms 20 times, default 50%duty cycle
Case("PWM_3 Frequency 10ms", PWM_Period_Test< MBED_CONF_APP_PWM_3, 10, 1000 >, greentea_failure_handler), // Test at 10ms 100 times, default 50%duty cycle
Case("PWM_3 Frequency 30ms", PWM_Period_Test< MBED_CONF_APP_PWM_3, 30, 100 >, greentea_failure_handler), // Test at 30ms 100 times, default 50%duty cycle
Case("PWM_3 Frequency 100ms", PWM_Period_Test< MBED_CONF_APP_PWM_3, 100, 100 >, greentea_failure_handler), // Test at 100ms 100 times, default 50%duty cycle
//Case("PWM_3 Frequency 500ms", PWM_Period_Test< MBED_CONF_APP_PWM_3, 500, 20 >, greentea_failure_handler), // Test at 500ms 20 times, default 50%duty cycle

// Test Duty Cycle width (10%->90%)
Case("PWM_0 Duty Cycle 10ms", PWM_DutyCycle_Test< MBED_CONF_APP_PWM_0, MBED_CONF_APP_DIO_2, 10 >, greentea_failure_handler), // Test 10ms Frequency with 10% to 90% duty cycle
Case("PWM_0 Duty Cycle 30ms", PWM_DutyCycle_Test< MBED_CONF_APP_PWM_0, MBED_CONF_APP_DIO_2, 30 >, greentea_failure_handler), // Test 30ms Frequency with 10% to 90% duty cycle
Case("PWM_0 Duty Cycle 100ms", PWM_DutyCycle_Test< MBED_CONF_APP_PWM_0, MBED_CONF_APP_DIO_2, 100>, greentea_failure_handler), // Test 100ms Frequency with 10% to 90% duty cycle
//Case("PWM_0 Duty Cycle 500ms", PWM_DutyCycle_Test< MBED_CONF_APP_PWM_0, MBED_CONF_APP_DIO_2, 500 >, greentea_failure_handler), // Test 500ms Frequency with 10% to 90% duty cycle
Case("PWM_1 Duty Cycle 10ms", PWM_DutyCycle_Test< MBED_CONF_APP_PWM_1, MBED_CONF_APP_DIO_4, 10 >, greentea_failure_handler), // Test 10ms Frequency with 10% to 90% duty cycle
Case("PWM_1 Duty Cycle 30ms", PWM_DutyCycle_Test< MBED_CONF_APP_PWM_1, MBED_CONF_APP_DIO_4, 30 >, greentea_failure_handler), // Test 30ms Frequency with 10% to 90% duty cycle
Case("PWM_1 Duty Cycle 100ms", PWM_DutyCycle_Test< MBED_CONF_APP_PWM_1, MBED_CONF_APP_DIO_4, 100>, greentea_failure_handler), // Test 100ms Frequency with 10% to 90% duty cycle
//Case("PWM_1 Duty Cycle 500ms", PWM_DutyCycle_Test< MBED_CONF_APP_PWM_1, MBED_CONF_APP_DIO_4, 500>, greentea_failure_handler), // Test 500ms Frequency with 10% to 90% duty cycle
Case("PWM_2 Duty Cycle 10ms", PWM_DutyCycle_Test< MBED_CONF_APP_PWM_2, MBED_CONF_APP_DIO_7, 10 >, greentea_failure_handler), // Test 10ms Frequency with 10% to 90% duty cycle
Case("PWM_2 Duty Cycle 30ms", PWM_DutyCycle_Test< MBED_CONF_APP_PWM_2, MBED_CONF_APP_DIO_7, 30 >, greentea_failure_handler), // Test 30ms Frequency with 10% to 90% duty cycle
Case("PWM_2 Duty Cycle 100ms", PWM_DutyCycle_Test< MBED_CONF_APP_PWM_2, MBED_CONF_APP_DIO_7, 100>, greentea_failure_handler), // Test 100ms Frequency with 10% to 90% duty cycle
//Case("PWM_2 Duty Cycle 500ms", PWM_DutyCycle_Test< MBED_CONF_APP_PWM_2, MBED_CONF_APP_DIO_7, 500>, greentea_failure_handler), // Test 500ms Frequency with 10% to 90% duty cycle
Case("PWM_3 Duty Cycle 10ms", PWM_DutyCycle_Test< MBED_CONF_APP_PWM_3, MBED_CONF_APP_DIO_8, 10 >, greentea_failure_handler), // Test 10ms Frequency with 10% to 90% duty cycle
Case("PWM_3 Duty Cycle 30ms", PWM_DutyCycle_Test< MBED_CONF_APP_PWM_3, MBED_CONF_APP_DIO_8, 30 >, greentea_failure_handler), // Test 30ms Frequency with 10% to 90% duty cycle
Case("PWM_3 Duty Cycle 100ms", PWM_DutyCycle_Test< MBED_CONF_APP_PWM_3, MBED_CONF_APP_DIO_8, 100>, greentea_failure_handler), // Test 100ms Frequency with 10% to 90% duty cycle
//Case("PWM_3 Duty Cycle 500ms", PWM_DutyCycle_Test< MBED_CONF_APP_PWM_3, MBED_CONF_APP_DIO_8, 500>, greentea_failure_handler), // Test 500ms Frequency with 10% to 90% duty cycle
Case("PWM_0 Duty Cycle 10ms", PWM_DutyCycle_Test< MBED_CONF_APP_PWM_0, 10 >, greentea_failure_handler), // Test 10ms Frequency with 10% to 90% duty cycle
Case("PWM_0 Duty Cycle 30ms", PWM_DutyCycle_Test< MBED_CONF_APP_PWM_0, 30 >, greentea_failure_handler), // Test 30ms Frequency with 10% to 90% duty cycle
Case("PWM_0 Duty Cycle 100ms", PWM_DutyCycle_Test< MBED_CONF_APP_PWM_0, 100>, greentea_failure_handler), // Test 100ms Frequency with 10% to 90% duty cycle
//Case("PWM_0 Duty Cycle 500ms", PWM_DutyCycle_Test< MBED_CONF_APP_PWM_0, 500 >, greentea_failure_handler), // Test 500ms Frequency with 10% to 90% duty cycle
Case("PWM_1 Duty Cycle 10ms", PWM_DutyCycle_Test< MBED_CONF_APP_PWM_1, 10 >, greentea_failure_handler), // Test 10ms Frequency with 10% to 90% duty cycle
Case("PWM_1 Duty Cycle 30ms", PWM_DutyCycle_Test< MBED_CONF_APP_PWM_1, 30 >, greentea_failure_handler), // Test 30ms Frequency with 10% to 90% duty cycle
Case("PWM_1 Duty Cycle 100ms", PWM_DutyCycle_Test< MBED_CONF_APP_PWM_1, 100>, greentea_failure_handler), // Test 100ms Frequency with 10% to 90% duty cycle
//Case("PWM_1 Duty Cycle 500ms", PWM_DutyCycle_Test< MBED_CONF_APP_PWM_1, 500>, greentea_failure_handler), // Test 500ms Frequency with 10% to 90% duty cycle
Case("PWM_2 Duty Cycle 10ms", PWM_DutyCycle_Test< MBED_CONF_APP_PWM_2, 10 >, greentea_failure_handler), // Test 10ms Frequency with 10% to 90% duty cycle
Case("PWM_2 Duty Cycle 30ms", PWM_DutyCycle_Test< MBED_CONF_APP_PWM_2, 30 >, greentea_failure_handler), // Test 30ms Frequency with 10% to 90% duty cycle
Case("PWM_2 Duty Cycle 100ms", PWM_DutyCycle_Test< MBED_CONF_APP_PWM_2, 100>, greentea_failure_handler), // Test 100ms Frequency with 10% to 90% duty cycle
//Case("PWM_2 Duty Cycle 500ms", PWM_DutyCycle_Test< MBED_CONF_APP_PWM_2, 500>, greentea_failure_handler), // Test 500ms Frequency with 10% to 90% duty cycle
Case("PWM_3 Duty Cycle 10ms", PWM_DutyCycle_Test< MBED_CONF_APP_PWM_3, 10 >, greentea_failure_handler), // Test 10ms Frequency with 10% to 90% duty cycle
Case("PWM_3 Duty Cycle 30ms", PWM_DutyCycle_Test< MBED_CONF_APP_PWM_3, 30 >, greentea_failure_handler), // Test 30ms Frequency with 10% to 90% duty cycle
Case("PWM_3 Duty Cycle 100ms", PWM_DutyCycle_Test< MBED_CONF_APP_PWM_3, 100>, greentea_failure_handler), // Test 100ms Frequency with 10% to 90% duty cycle
//Case("PWM_3 Duty Cycle 500ms", PWM_DutyCycle_Test< MBED_CONF_APP_PWM_3, 500>, greentea_failure_handler), // Test 500ms Frequency with 10% to 90% duty cycle
};

Specification specification(test_setup, cases);
Expand Down

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