general_output.c File Reference

Source code file for General Output module. More...

Go to the source code of this file.

Functions
int16	init_generalOutputPin (Uint16 pin)
	Configuration of GPIO as general output pin. More...
int16	generalOutputPin_setPinHigh (Uint16 pin)
	Set output pin high. More...
int16	generalOutputPin_setPinLow (Uint16 pin)
	Set output pin low. More...

Detailed Description

Source code file for General Output module.

Definition in file general_output.c.

Function Documentation

generalOutputPin_setPinHigh()

int16 generalOutputPin_setPinHigh

(

Uint16

pin

)

Set output pin high.

Parameters

[in]

1) GPIO pin as Uint16 --> valid value: 0-87 (see global_defines.h)

Returns

Result of operations as int16
--> 0 = operation successful
--> -1 = invalid value of GPIO pin

Definition at line 63 of file general_output.c.

                                             {
    EALLOW;                                                                             // Allow register-access
    switch(pin){
    case 0 ... 31:  TMC_BASE_PIO->DATA[0].SET |= ((Uint32)0x1 << pin);                  // Set Output to 1
                    break;
    case 32 ... 63: pin -= 32;
                    TMC_BASE_PIO->DATA[1].SET |= ((Uint32)0x1 << pin);                  // Set Output to 1
                    break;
    case 64 ... 87: pin -= 64;
                    TMC_BASE_PIO->DATA[2].SET |= ((Uint32)0x1 << pin);                  // Set Output to 1
                    break;
    default:        EDIS;
                    return -1;                                                          // Invalid input value
    }
    EDIS;                                                                               // Protect register
    return 0;
}

generalOutputPin_setPinLow()

int16 generalOutputPin_setPinLow

(

Uint16

pin

)

Set output pin low.

Parameters

[in]

1) GPIO pin as Uint16 --> valid value: 0-87 (see global_defines.h)

Returns

Result of operations as int16
--> 0 = operation successful
--> -1 = invalid value of GPIO pin

Definition at line 88 of file general_output.c.

                                            {
    EALLOW;                                                                             // Allow register-access
    switch(pin){
    case 0 ... 31:  TMC_BASE_PIO->DATA[0].CLEAR |= ((Uint32)0x1 << pin);                // Set Output to 0
                    break;
    case 32 ... 63: pin -= 32;
                    TMC_BASE_PIO->DATA[1].CLEAR |= ((Uint32)0x1 << pin);                // Set Output to 0
                    break;
    case 64 ... 87: pin -= 64;
                    TMC_BASE_PIO->DATA[2].CLEAR |= ((Uint32)0x1 << pin);                // Set Output to 0
                    break;
    default:        EDIS;
                    return -1;                                                          // Invalid input value
    }
    EDIS;                                                                               // Protect register
    return 0;
}

init_generalOutputPin()

int16 init_generalOutputPin

(

Uint16

pin

)

Configuration of GPIO as general output pin.

Parameters

[in]

1) GPIO pin as Uint16 --> valid value: 0-87 (see global_defines.h)

Returns

Result of operations as int16
--> 0 = operation successful
--> -1 = invalid value of GPIO pin

Definition at line 15 of file general_output.c.

                                       {
    EALLOW;                                                                             // Allow register-access
    switch(pin){
    case 0 ... 31:  TMC_BASE_PIO->CTL[0].PUD |= ((Uint32)0x1 << pin);                   // Disable the internal pullup on the specified pin.
                    if(pin <=15){
                        TMC_BASE_PIO->CTL[0].MUX1 &= ~((Uint32)0x3 << (pin*2));         // General purpose input/output
                    }
                    else{
                        TMC_BASE_PIO->CTL[0].MUX2 &= ~((Uint32)0x3 << ((pin-16)*2));    // General purpose input/output
                    }
                    TMC_BASE_PIO->CTL[0].DIR |= ((Uint32)0x1 << pin);                   // Configures the GPIO pin as an output
                    break;
    case 32 ... 63: pin -= 32;
                    TMC_BASE_PIO->CTL[1].PUD |= ((Uint32)0x1 << pin);                   // Disable the internal pullup on the specified pin.
                    if(pin <=15){
                        TMC_BASE_PIO->CTL[1].MUX1 &= ~((Uint32)0x3 << (pin*2));         // General purpose input/output
                    }
                    else{
                        TMC_BASE_PIO->CTL[1].MUX2 &= ~((Uint32)0x3 << ((pin-16)*2));    // General purpose input/output
                    }
                    TMC_BASE_PIO->CTL[1].DIR |= ((Uint32)0x1 << pin);                   // Configures the GPIO pin as an output
                    break;
    case 64 ... 87: pin -= 64;
                    TMC_BASE_PIO->CTL[2].PUD |= ((Uint32)0x1 << pin);                   // Disable the internal pullup on the specified pin.
                    if(pin <=15){
                        TMC_BASE_PIO->CTL[2].MUX1 &= ~((Uint32)0x3 << (pin*2));         // General purpose input/output
                    }
                    else{
                        TMC_BASE_PIO->CTL[2].MUX2 &= ~((Uint32)0x3 << ((pin-16)*2));    // General purpose input/output
                    }
                    TMC_BASE_PIO->CTL[2].DIR |= ((Uint32)0x1 << pin);                   // Configures the GPIO pin as an output
                    break;
    default:        EDIS;
                    return -1;                                                          // Invalid input value
    }
    EDIS;                                                                               // Protect register
    return 0;
 
 
}