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#244 add API call getPinModeAlt

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This commit is contained in:
mstroh76
2024-05-30 16:52:04 +02:00
parent d7debf2875
commit 4db79da55b
4 changed files with 113 additions and 9 deletions
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60
wiringPi/test/wiringpi_test5_default.c
View File

@@ -10,6 +10,34 @@
const int GPIO = 19;
const int GPIOIN = 26;
const int ToggleValue = 4;
int RaspberryPiModel = -1;
void SetAndCheckMode(int pin, int mode) {
enum WPIPinALT AltGpio = WPI_ALT_UNKNOWN;
switch(mode) {
case INPUT:
pinMode(pin, INPUT);
AltGpio = getPinModeAlt(pin);
CheckSame("Pin mode input", AltGpio, WPI_ALT_INPUT);
break;
case OUTPUT:
pinMode(pin, OUTPUT);
AltGpio = getPinModeAlt(pin);
CheckSame("Pin mode output", AltGpio, WPI_ALT_OUTPUT);
break;
case PM_OFF:
pinMode(pin, PM_OFF);
AltGpio = getPinModeAlt(pin);
CheckSame("Pin mode off(input)", AltGpio, (PI_MODEL_5 == RaspberryPiModel) ? WPI_NONE : WPI_ALT_INPUT);
break;
default:
pinMode(pin, mode);
printf("pinmode %d of pin %d not checked", mode, pin);
break;
}
}
int main (void) {
@@ -21,8 +49,23 @@ int main (void) {
printf("wiringPiSetupGpio failed\n\n");
exit(EXIT_FAILURE);
}
pinMode(GPIOIN, INPUT);
pinMode(GPIO, OUTPUT);
int rev, mem, maker, overVolted;
piBoardId(&RaspberryPiModel, &rev, &mem, &maker, &overVolted);
CheckNotSame("Model: ", RaspberryPiModel, -1);
if (PI_MODEL_5 == RaspberryPiModel) {
printf("Raspberry Pi 5 with RP1 found\n");
} else {
printf("Raspberry Pi with BCM GPIO found (not Pi 5)\n");
}
enum WPIPinAlt AltGpio = WPI_ALT_UNKNOWN;
AltGpio = getPinModeAlt(23);
CheckSame("Pin mode default", AltGpio, PI_MODEL_5 == RaspberryPiModel ? WPI_NONE : WPI_ALT_INPUT);
SetAndCheckMode(GPIOIN, INPUT);
SetAndCheckMode(GPIO, OUTPUT);
printf("toggle %d times ...\n", ToggleValue);
for (int loop=1; loop<ToggleValue; loop++) {
@@ -36,7 +79,9 @@ int main (void) {
printf("\nWiringPi GPIO test program (using GPIO%d (input pull up/down) and GPIO%d (input))\n", GPIO, GPIOIN);
pullUpDnControl (GPIO, PUD_UP);
pinMode(GPIO, INPUT);
SetAndCheckMode(GPIO, INPUT);
delayMicroseconds(3000000);
pullUpDnControl (GPIOIN, PUD_OFF);
@@ -50,6 +95,11 @@ int main (void) {
//Error wrong direction - only for fun
digitalWrite(GPIO, LOW);
return UnitTestState();
}
SetAndCheckMode(GPIO, OUTPUT);
SetAndCheckMode(GPIO, PM_OFF);
//pinModeAlt (GPIO, 0x1F);
//AltGpio = getPinModeAlt(GPIO);
//CheckSame("Pin mode off(default)", AltGpio, 0x1F);
return UnitTestState();
}

20
wiringPi/test/wpi_test.h
View File

@@ -60,6 +60,16 @@ void pullUpDnControlEx (int GPIO, int GPIOIN, int mode) {
}
void CheckSameText(const char* msg, const char* value, const char* expect) {
if (!strcmp(value, expect)) {
printf("%39s (%10s==%10s) -> %spassed%s\n", msg, value, expect, COLORGRN, COLORDEF);
} else {
printf("%39s (%10s<>%10s) -> %sfailed%s\n", msg, value, expect, COLORRED, COLORDEF);
globalError=1;
}
}
void CheckSame(const char* msg, int value, int expect) {
if (value==expect) {
printf("%39s (% 3d==% 3d) -> %spassed%s\n", msg, value, expect, COLORGRN, COLORDEF);
@@ -70,6 +80,16 @@ void CheckSame(const char* msg, int value, int expect) {
}
void CheckNotSame(const char* msg, int value, int expect) {
if (value!=expect) {
printf("%39s (% 3d<>% 3d) -> %spassed%s\n", msg, value, expect, COLORGRN, COLORDEF);
} else {
printf("%39s (% 3d==% 3d) -> %sfailed%s\n", msg, value, expect, COLORRED, COLORDEF);
globalError=1;
}
}
void CheckSameFloat(const char* msg, float value, float expect) {
if (fabs(value-expect)<0.08) {
printf("%35s (%.3f==%.3f) -> %spassed%s \n", msg, value, expect, COLORGRN, COLORDEF);

22
wiringPi/wiringPi.c
View File

@@ -156,8 +156,12 @@ const unsigned int RP1_DEBOUNCE_DEFAULT_VALUE = 4;
const unsigned int RP1_DEBOUNCE_MASK = 0x7f;
const unsigned int RP1_DEBOUNCE_DEFAULT = (RP1_DEBOUNCE_DEFAULT_VALUE << 5);
const unsigned int RP1_IRQRESET = 0x10000000; //CTRL Bit 28
const unsigned int RP1_PAD_DEFAULT_0TO8 = (0x0B | 0x70); //Slewfast, Schmitt, PullUp, | 12mA, Input enable
const unsigned int RP1_PAD_DEFAULT_FROM9 = (0x07 | 0x70); //Slewfast, Schmitt, PullDown, | 12mA, Input enable
const unsigned int RP1_PAD_IC_DEFAULT_0TO8 = 0x9A; //pull-up, Schmitt
const unsigned int RP1_PAD_IC_DEFAULT_FROM9 = 0x96; //pull-down, Schmitt
const unsigned int RP1_PAD_DRIVE_MASK = 0x00000030;
const unsigned int RP1_INV_PAD_DRIVE_MASK = ~(RP1_PAD_DRIVE_MASK);
@@ -1314,6 +1318,11 @@ int getAlt (int pin)
}
enum WPIPinALT getPinModeAlt(int pin) {
return (enum WPIPinALT) getAlt(pin);
}
/*
* pwmSetMode:
* Select the native "balanced" mode, or standard mark:space mode
@@ -1727,11 +1736,16 @@ void pinMode (int pin, int mode)
fSel = gpioToGPFSEL [pin] ;
shift = gpioToShift [pin] ;
if (mode == INPUT) {
if (INPUT==mode || PM_OFF==mode) {
if (PI_MODEL_5 == RaspberryPiModel) {
pads[1+pin] = (pin<=8) ? RP1_PAD_DEFAULT_0TO8 : RP1_PAD_DEFAULT_FROM9;
gpio[2*pin+1] = RP1_FSEL_GPIO | RP1_DEBOUNCE_DEFAULT; // GPIO
rio[RP1_RIO_OE + RP1_CLR_OFFSET] = 1<<pin; // Input
if (INPUT==mode) {
pads[1+pin] = (pin<=8) ? RP1_PAD_DEFAULT_0TO8 : RP1_PAD_DEFAULT_FROM9;
gpio[2*pin+1] = RP1_FSEL_GPIO | RP1_DEBOUNCE_DEFAULT; // GPIO
rio[RP1_RIO_OE + RP1_CLR_OFFSET] = 1<<pin; // Input
} else { //PM_OFF
pads[1+pin] = (pin<=8) ? RP1_PAD_IC_DEFAULT_0TO8 : RP1_PAD_IC_DEFAULT_FROM9;
gpio[2*pin+1] = RP1_IRQRESET | RP1_FSEL_NONE_HW | RP1_DEBOUNCE_DEFAULT; // default but with irq reset
}
} else {
*(gpio + fSel) = (*(gpio + fSel) & ~(7 << shift)) ; // Sets bits to zero = input
}

20
wiringPi/wiringPi.h
View File

@@ -225,8 +225,28 @@ extern int wiringPiSetupPhys (void) ;
extern int wiringPiSetupPinType (enum WPIPinType pinType); //Interface V3.3
extern int wiringPiSetupGpioDevice(enum WPIPinType pinType); //Interface V3.3
enum WPIPinAlt {
WPI_ALT_UNKNOWN = -1,
WPI_ALT_INPUT = 0,
WPI_ALT_OUTPUT,
WPI_ALT5,
WPI_ALT4,
WPI_ALT0,
WPI_ALT1,
WPI_ALT2,
WPI_ALT3,
WPI_ALT6,
WPI_ALT7,
WPI_ALT8,
WPI_ALT9,
WPI_NONE = 0x1F, // Pi5 default
};
extern int wiringPiGpioDeviceGetFd(); //Interface V3.3
extern void pinModeAlt (int pin, int mode) ;
extern enum WPIPinAlt getPinModeAlt (int pin) ; // Interface V3.5, same as getAlt but wie enum
extern void pinMode (int pin, int mode) ;
extern void pullUpDnControl (int pin, int pud) ;
extern int digitalRead (int pin) ;