GPIO 16-31 6657

ivgeni kuqw

Intellectual 840 points

Hi,

I want to turn on GPIO18 GPIO19 GPIO20 GPIO21.

can I use this commands ?

gpioSetOutput(18);gpioSetOutput(19);gpioSetOutput(20);gpioSetOutput(21);

Should I write any other commands ?

Thanks,

Ivgeni.

over 11 years ago

0 Ganapathi Dhandapani95 over 11 years ago

TI__Mastermind 28085 points

Hi IVgeni,

gpioSetOutput function sets the specified GPIO's pin state to 1.

You will find a file evmc665x_gpio.c, there you will find the functions definitions.

Path: \ti\pdk_C6657_1_1_2_6\packages\ti\platform\evmc6657l\platform_lib\src

Thanks,

0 ivgeni kuqw over 11 years ago in reply to Ganapathi Dhandapani95

Intellectual 840 points

GPIO 19,20,21,22 are configured as usart , timer pins.

How do I configure them as GPIO (like GPIO 1-15 ) ?

Thanks,

Ivgeni.

0 Ganapathi Dhandapani95 over 11 years ago in reply to ivgeni kuqw

TI__Mastermind 28085 points

Hi Ivgeni,

If you want to test this GPIO 19,20,21,22 pins in EVM6657 board means you need to configure these pins as GPIO.

Thanks,

0 ivgeni kuqw over 11 years ago in reply to Ganapathi Dhandapani95

Intellectual 840 points

Hi,

What is the commands to configure them as GPIO ?

Thanks,

Ivgeni

0 Ganapathi Dhandapani95 over 11 years ago in reply to ivgeni kuqw

TI__Mastermind 28085 points

You will find a file evmc665x_gpio.c, there you will find the functions definitions.

Path: \ti\pdk_C6657_1_1_2_6\packages\ti\platform\evmc6657l\platform_lib\src

Thanks,

0 ivgeni kuqw over 11 years ago in reply to Ganapathi Dhandapani95

Intellectual 840 points

The functions in evmc665x_gpio.c are implemented for GPIO pins 0-15.

for example :

Where are the functions for GPIO pins 16-31 ?

Thanks,

Ivgeni.

0 Ganapathi Dhandapani95 over 11 years ago in reply to ivgeni kuqw

TI__Mastermind 28085 points

GPIO user guide needs to be updated for BINTEN register that bit 0 is for Bank 0 (GPIO pins 15:0) and bit 1 is for Bank 1 (GPIO pins 31-16).

So you need to set bit 1 to 1 in BINTEN to enable the GPIO pins 31-16.

GPIO_BITEN = 0x2 ;

Thanks,

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GPIO 16-31 6657