Flashing LEDs with K22F - debugged and tested

jverive — Mon, 06 Oct 2014 15:32:40 GMT

#include "fsl_device_registers.h"

#include "board.h"

static int i = 0;

// LEDs are common-anode, with cathodes connected to port pins.

// Therefore, logic high (1) turns them off, and logic low

// (0) turns them on.

short OFF = 1;

short ON = 0;

int main(void)

{

hardware_init();

GPIO_DRV_SetPinDir(kGpioLED1, kGpioDigitalOutput); //Green LED

GPIO_DRV_SetPinDir(kGpioLED2, kGpioDigitalOutput); //Red LED

GPIO_DRV_SetPinDir(kGpioLED3, kGpioDigitalOutput); //Blue LED

GPIO_DRV_WritePinOutput(kGpioLED1, OFF); //Green LED initially off

GPIO_DRV_WritePinOutput(kGpioLED2, OFF); //Red LED initially off

GPIO_DRV_WritePinOutput(kGpioLED3, OFF); //Blue LED initially off

while (1)

{

for (i = 0; i<0xFFFFFF; i++)

{

}

GPIO_DRV_WritePinOutput(kGpioLED1, ON); //Green LED on

for (i = 0; i<0xFFFFFF; i++)

{

}

GPIO_DRV_WritePinOutput(kGpioLED1, OFF); //Green LED off

for (i = 0; i<0xFFFFFF; i++)

{

}

GPIO_DRV_WritePinOutput(kGpioLED2, ON); //Red LED on

for (i = 0; i<0xFFFFFF; i++)

{

}

GPIO_DRV_WritePinOutput(kGpioLED2, OFF); //Red LED off

for (i = 0; i<0xFFFFFF; i++)

{

};

GPIO_DRV_WritePinOutput(kGpioLED3, ON); //Blue LED on

for (i = 0; i<0xFFFFFF; i++)

{

}

GPIO_DRV_WritePinOutput(kGpioLED3, OFF); //Blue LED off

}

return 0;

}

Re: Flashing LEDs with K22F - debugged and tested

adriancano — Sat, 11 Oct 2014 02:14:18 GMT

Hi,

Thank you for the contribution. Here is the link of your Document in the community

Working GPIO flash demo for FRDM-K22F

This is just to inform some other members about your contributions because this is posted as a question.

Best regards,

Adrian

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Flashing LEDs with K22F - debugged and tested

Re: Flashing LEDs with K22F - debugged and tested