#256 PiFace test

This commit is contained in:
mstroh76
2024-06-16 16:29:58 +02:00
parent 5399409d4a
commit b5a1448624
11 changed files with 237 additions and 67 deletions

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@@ -41,7 +41,7 @@ wiringpi_i2c_test1_pcf8574:
${CC} ${CFLAGS} wiringpi_i2c_test1_pcf8574.c -o wiringpi_i2c_test1_pcf8574 -lwiringPi
wiringpi_piface_test1:
${CC} ${CFLAGS} wiringpi_piface_test1.c -o wiringpi_piface_test1 -lwiringPi
${CC} ${CFLAGS} wiringpi_piface_test1.c -o wiringpi_piface_test1 -lwiringPi -lwiringPiDev
test:
@error_state=false ; \

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@@ -1,17 +1,130 @@
#include "wpi_test.h"
#include "../../version.h"
// WiringPi piface program IN, OUT, PULL
// Compile: gcc -Wall wiringpi_piface_test1.c -o wiringpi_piface_test1 -lwiringPi -lwiringPiDev
// PiFace dummy
#include "wpi_test.h"
#include <piFace.h>
int main (void) {
int major, minor;
// Use 200 as the pin-base for the PiFace board, and change all pins
// for the LED and relays
const int PIFACE = 200; //Mapped wiringpi IO address
const int defaultsleep = 200000; // 200 ms
wiringPiVersion(&major, &minor);
printf("Testing piface functions with WiringPi %d.%d\n",major, minor);
printf("------------------------------------------\n\n");
return UnitTestState();
void ReadUntilTimeout(int GPIO, int expect, int timeoutSec) {
const int intervaluS = 250000; //250ms
int in;
const char* strexpect = expect ? "HIGH" : "LOW";
for(int loop=0, end=(timeoutSec*1000000/intervaluS); loop<end; ++loop) {
in = digitalRead(GPIO);
if (in==expect) {
printf( "took %g sec to set %s\n", loop*intervaluS/1000000.0, strexpect);
break;
}
delayMicroseconds(intervaluS);
printf(".");fflush(stdout);
}
if (in!=expect) {
printf( "timeout reached %d sec to set %s\n", timeoutSec, strexpect);
}
CheckGPIO(GPIO, -1, expect) ;
}
int main (int argc, char *argv []) {
int major, minor;
wiringPiVersion(&major, &minor);
printf("Testing piface functions with WiringPi %d.%d\n",major, minor);
printf("------------------------------------------\n\n");
// initialise wiringPi
if (wiringPiSetupSys() == -1) {
printf("wiringPiSetupSys failed\n\n");
exit(EXIT_FAILURE);
}
piFaceSetup (PIFACE); // Setup the PiFace board with default addr 0, 0
const int RELAY0 = PIFACE+0;
const int RELAY0IN = PIFACE+6;
const int RELAY1 = PIFACE+1;
const int RELAY1IN = PIFACE+7;
printf("\nRelays async:\n");
for (int loop = 0, end=3 ; loop<end ; ++loop) {
int sleep = defaultsleep*(end-loop);
printf("sleep %d ms:\n", sleep/1000);
digitalWrite (RELAY0, HIGH);
delayMicroseconds(sleep);
CheckInversGPIO(RELAY0IN, -1, HIGH) ;
digitalWrite (RELAY0, LOW);
delayMicroseconds(sleep);
CheckInversGPIO(RELAY0IN, -1, LOW);
digitalWrite (RELAY1, HIGH);
delayMicroseconds(sleep);
CheckInversGPIO(RELAY1IN, -1, HIGH);
digitalWrite (RELAY1, LOW);
delayMicroseconds(sleep);
CheckInversGPIO(RELAY1IN, -1, LOW);
}
const int OUT7 = PIFACE+7;
const int OUT7IN = PIFACE+4;
const int OUT6 = PIFACE+6;
const int OUT6IN = PIFACE+5;
printf("\nOUT6/7 sync:\n");
delayMicroseconds(defaultsleep);
for (int loop = 0, end=3 ; loop<end ; ++loop) {
digitalWrite (OUT7, HIGH);
delayMicroseconds(defaultsleep);
CheckInversGPIO(OUT7IN, -1, HIGH);
digitalWrite (OUT7, LOW);
delayMicroseconds(defaultsleep);
CheckInversGPIO(OUT7IN, -1, LOW);
digitalWrite (OUT6, HIGH);
delayMicroseconds(defaultsleep);
CheckInversGPIO(OUT6IN, -1, HIGH);
digitalWrite (OUT6, LOW);
delayMicroseconds(defaultsleep);
CheckInversGPIO(OUT6IN, -1, LOW);
}
printf("\nRelays sync:\n");
for (int loop = 0, end=3 ; loop<end ; ++loop) {
int sleep = defaultsleep*(end-loop);
printf("sleep %d ms:\n", sleep/1000);
digitalWrite (RELAY0, HIGH);
digitalWrite (RELAY1, HIGH);
delayMicroseconds(sleep);
CheckInversGPIO(RELAY0IN, -1, HIGH) ;
CheckInversGPIO(RELAY1IN, -1, HIGH) ;
digitalWrite (RELAY0, LOW);
digitalWrite (RELAY1, LOW);
delayMicroseconds(sleep);
CheckInversGPIO(RELAY0IN, -1, LOW) ;
CheckInversGPIO(RELAY1IN, -1, LOW) ;
}
printf("\nInput pull up/down resistor:\n");
for (int IN = 0 ; IN <= 7 ; ++IN) {
if (4==IN || 5==IN) {
continue; //4 & 5 connected from out to in -> test not possible
}
//6 & 7 connected from relais NO (normaly open) to in -> test possible
delayMicroseconds(defaultsleep);
pullUpDnControl (PIFACE + IN, PUD_UP) ;
ReadUntilTimeout(PIFACE + IN, HIGH, 2) ;
pullUpDnControl (PIFACE + IN, PUD_DOWN) ;
// cool down very slowly, connect 680 kOhm pull down resistor to make ist faster
ReadUntilTimeout(PIFACE + IN, LOW, 60) ;
pullUpDnControl (PIFACE + IN, PUD_UP) ; // finally up
ReadUntilTimeout(PIFACE + IN, HIGH, 2) ;
}
return UnitTestState();
}

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@@ -7,8 +7,8 @@
#include <sys/time.h>
const int GPIO = 19;
const int GPIOIN = 26;
int GPIO = 19;
int GPIOIN = 26;
const int ToggleValue = 4;
@@ -21,6 +21,11 @@ int main (void) {
printf("wiringPiSetupSys failed\n\n");
exit(EXIT_FAILURE);
}
if (!piBoard40Pin()) {
GPIO = 23;
GPIOIN = 24;
}
pinMode(GPIOIN, INPUT);
pinMode(GPIO, OUTPUT);

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@@ -7,8 +7,8 @@
#include <sys/time.h>
const int GPIO = 19;
const int GPIOIN = 26;
int GPIO = 19;
int GPIOIN = 26;
const int ToggleValue = 4;
@@ -21,6 +21,11 @@ int main (void) {
printf("wiringPiSetupSys failed\n\n");
exit(EXIT_FAILURE);
}
if (!piBoard40Pin()) {
GPIO = 23;
GPIOIN = 24;
}
pinMode(GPIOIN, INPUT);
pinMode(GPIO, OUTPUT);

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@@ -7,8 +7,8 @@
#include <sys/time.h>
const int GPIO = 24; //BCM 19
const int GPIOIN = 25; //BCM 26;
int GPIO = 24; //BCM 19
int GPIOIN = 25; //BCM 26;
const int ToggleValue = 4;
@@ -21,6 +21,11 @@ int main (void) {
printf("wiringPiSetupGpioDevice failed\n\n");
exit(EXIT_FAILURE);
}
if (!piBoard40Pin()) {
GPIO = 4; //BCM 23
GPIOIN = 5; //BCM 24
}
pinMode(GPIOIN, INPUT);
pinMode(GPIO, OUTPUT);

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@@ -7,8 +7,8 @@
#include <sys/time.h>
const int GPIO = 35; //BCM 19
const int GPIOIN = 37; //BCM 26;
int GPIO = 35; //BCM 19
int GPIOIN = 37; //BCM 26;
const int ToggleValue = 4;
@@ -21,6 +21,11 @@ int main (void) {
printf("wiringPiSetupGpioDevice failed\n\n");
exit(EXIT_FAILURE);
}
if (!piBoard40Pin()) {
GPIO = 16; //BCM 23
GPIOIN = 18; //BCM 24
}
pinMode(GPIOIN, INPUT);
pinMode(GPIO, OUTPUT);

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@@ -7,8 +7,8 @@
#include <sys/time.h>
const int GPIO = 19;
const int GPIOIN = 26;
int GPIO = 19;
int GPIOIN = 26;
const int ToggleValue = 4;
int RaspberryPiModel = -1;
@@ -58,6 +58,10 @@ int main (void) {
} else {
printf("Raspberry Pi with BCM GPIO found (not Pi 5)\n");
}
if (!piBoard40Pin()) {
GPIO = 23;
GPIOIN = 24;
}
enum WPIPinAlt AltGpio = WPI_ALT_UNKNOWN;

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@@ -8,8 +8,8 @@
#include <sys/time.h>
const int GPIO = 19;
const int GPIOIN = 26;
int GPIO = 19;
int GPIOIN = 26;
const int ToggleValue = 4;
@@ -115,55 +115,61 @@ double DurationTime(int Enge, int OUTpin, int IRQpin) {
return fTime;
}
int main (void) {
const int IRQpin = GPIOIN ;
const int OUTpin = GPIO ;
int major, minor;
wiringPiVersion(&major, &minor);
int main (void) {
int major, minor;
wiringPiVersion(&major, &minor);
printf("WiringPi GPIO test program 1 (using GPIO%d (output) and GPIO%d (input))\n", GPIO, GPIOIN);
printf(" testing irq\n");
printf("\nISR test (WiringPi %d.%d)\n", major, minor);
printf("\nISR test (WiringPi %d.%d)\n", major, minor);
wiringPiSetupGpio() ;
pinMode(IRQpin, INPUT);
pinMode(OUTpin, OUTPUT);
digitalWrite (OUTpin, LOW) ;
wiringPiSetupGpio() ;
if (!piBoard40Pin()) {
GPIO = 23;
GPIOIN = 24;
}
int IRQpin = GPIOIN ;
int OUTpin = GPIO ;
pinMode(IRQpin, INPUT);
pinMode(OUTpin, OUTPUT);
digitalWrite (OUTpin, LOW) ;
printf("Testing IRQ @ GPIO%d with trigger @ GPIO%d rising\n", IRQpin, OUTpin);
wiringPiISR (IRQpin, INT_EDGE_RISING, &wfi) ;
sleep(1);
StartSequence (INT_EDGE_RISING, OUTpin);
printf("Testing close\n");
wiringPiISRStop (IRQpin) ;
printf("Testing IRQ @ GPIO%d with trigger @ GPIO%d rising\n", IRQpin, OUTpin);
wiringPiISR (IRQpin, INT_EDGE_RISING, &wfi) ;
sleep(1);
StartSequence (INT_EDGE_RISING, OUTpin);
printf("Testing close\n");
printf("Testing IRQ @ GPIO%d with trigger @ GPIO%d falling\n", IRQpin, OUTpin);
wiringPiISR (IRQpin, INT_EDGE_FALLING, &wfi) ;
sleep(1);
StartSequence (INT_EDGE_FALLING, OUTpin);
printf("Testing close\n");
wiringPiISRStop (IRQpin) ;
wiringPiISRStop (IRQpin) ;
printf("Testing IRQ @ GPIO%d with trigger @ GPIO%d both\n", IRQpin, OUTpin);
wiringPiISR (IRQpin, INT_EDGE_BOTH, &wfi) ;
sleep(1);
StartSequence (INT_EDGE_BOTH, OUTpin);
printf("Testing close\n");
wiringPiISRStop (IRQpin) ;
printf("Testing IRQ @ GPIO%d with trigger @ GPIO%d falling\n", IRQpin, OUTpin);
wiringPiISR (IRQpin, INT_EDGE_FALLING, &wfi) ;
sleep(1);
StartSequence (INT_EDGE_FALLING, OUTpin);
printf("Testing close\n");
wiringPiISRStop (IRQpin) ;
for (int count=0; count<2; count++) {
printf("Measuring duration IRQ @ GPIO%d with trigger @ GPIO%d rising\n", IRQpin, OUTpin);
DurationTime(INT_EDGE_RISING, OUTpin, IRQpin);
printf("Testing IRQ @ GPIO%d with trigger @ GPIO%d both\n", IRQpin, OUTpin);
wiringPiISR (IRQpin, INT_EDGE_BOTH, &wfi) ;
sleep(1);
StartSequence (INT_EDGE_BOTH, OUTpin);
printf("Testing close\n");
wiringPiISRStop (IRQpin) ;
printf("Measuring duration IRQ @ GPIO%d with trigger @ GPIO%d falling\n", IRQpin, OUTpin);
DurationTime(INT_EDGE_FALLING, OUTpin, IRQpin);
}
pinMode(OUTpin, INPUT);
for (int count=0; count<2; count++) {
printf("Measuring duration IRQ @ GPIO%d with trigger @ GPIO%d rising\n", IRQpin, OUTpin);
DurationTime(INT_EDGE_RISING, OUTpin, IRQpin);
return UnitTestState();
printf("Measuring duration IRQ @ GPIO%d with trigger @ GPIO%d falling\n", IRQpin, OUTpin);
DurationTime(INT_EDGE_FALLING, OUTpin, IRQpin);
}
pinMode(OUTpin, INPUT);
return UnitTestState();
}

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@@ -20,14 +20,14 @@ void CheckGPIO(int GPIO, int GPIOIN, int out) {
int in = out;
if (GPIOIN>=0) {
in = digitalRead(GPIOIN);
in = digitalRead(GPIOIN);
}
int readback = digitalRead(GPIO);
int pass = 0;
if (out==readback && in==out) {
pass = 1;
}
if (out==readback && in==out) {
pass = 1;
}
if (GPIOIN>=0) {
printf("set GPIO%02d = %d (readback %d), in GPIO%02d = %d ", GPIO, out, readback, GPIOIN, in);
@@ -44,6 +44,11 @@ void CheckGPIO(int GPIO, int GPIOIN, int out) {
}
void CheckInversGPIO(int GPIO, int GPIOIN, int out) {
CheckGPIO(GPIO, GPIOIN, out==HIGH ? LOW : HIGH);
}
void digitalWriteEx(int GPIO, int GPIOIN, int mode) {
digitalWrite(GPIO, mode);
delayMicroseconds(5000);

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@@ -557,6 +557,27 @@ int piBoard() {
return RaspberryPiModel<0 ? 0 : 1;
}
int piBoard40Pin() {
if (!piBoard()){
// Board not detected
return -1;
}
switch(RaspberryPiModel){
case PI_MODEL_A:
case PI_MODEL_B:
return 0;
// PI_MODEL_CM
// PI_MODEL_CM3
// PI_MODEL_CM4
// PI_MODEL_CM4S
// ? guess yes
default:
return 1;
}
}
int GetMaxPin() {
return PI_MODEL_5 == RaspberryPiModel ? 27 : 63;
}

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@@ -268,6 +268,7 @@ extern int wiringPiSetupPiFaceForGpioProg (void) ; // Don't use this - for gpio
extern int piGpioLayout (void) ;
extern int piBoardRev (void) ; // Deprecated, but does the same as piGpioLayout
extern void piBoardId (int *model, int *rev, int *mem, int *maker, int *overVolted) ;
extern int piBoard40Pin (void) ; // Interface V3.7
extern int wpiPinToGpio (int wpiPin) ;
extern int physPinToGpio (int physPin) ;
extern void setPadDrive (int group, int value) ;