How to add MRAA library in host PC for C Programming on i.MX 6UL

fahad@mqs189:~$ cd /opt/phytec-yogurt/BSP-Yocto-i.MX6UL-PD19.1.0/

fahad@mqs189:/opt/phytec-yogurt/BSP-Yocto-i.MX6UL-PD19.1.0$ . environment-setup-cortexa7hf-neon-vfpv4-phytec-linux-gnueabi

fahad@mqs189:/opt/phytec-yogurt/BSP-Yocto-i.MX6UL-PD19.1.0$ echo $ARCH

arm

fahad@mqs189:/opt/phytec-yogurt/BSP-Yocto-i.MX6UL-PD19.1.0$ cd

fahad@mqs189:~$ ls

button_gpio.c examples.desktop mraa snap

Desktop excl Music techveda

Documents LinuxPro_New perl5

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EXAMPLE minicom.log Public Videos

fahad@mqs189:~$ echo $ARCH

arm

fahad@mqs189:~$ vi button_gpio.c

fahad@mqs189:~$ $CC button_gpio.c -o button_gpio

button_gpio.c:1:10: fatal error: mraa.h: No such file or directory

#include <mraa.h>

^~~~~~~~

compilation terminated.

fahad@mqs189:~$

button_gpio.c program:

#include <mraa.h>

#include <inttypes.h>

#define LED_PIN 49 /**< The pin where the LED is connected */

#define BTN_PIN 52 /**< Button is connected to this pin */

int main(void)

{

mraa_gpio_context ledPin; /* Will be used to represnt the LED pin */

mraa_gpio_context btnPin; /* Will be used to represnt the button pin */

uint32_t status; /* Used to toggle the LED */

uint32_t btnState; /* Used to capture the state of the button */

mraa_init();

ledPin = mraa_gpio_init(LED_PIN);

btnPin = mraa_gpio_init(BTN_PIN);

mraa_gpio_dir(ledPin, MRAA_GPIO_OUT);

mraa_gpio_dir(btnPin, MRAA_GPIO_IN);

while(1)

{

status = mraa_gpio_read(btnPin);

printf("STATUS = %d..\n\n",status);

if(status == 1)

{

mraa_gpio_write(ledPin, 1);

printf("LED ON \n");

}

else

{

printf("LED OFF \n");

mraa_gpio_write(ledPin, 0); // active low 0 is on the led

}

sleep(2);

}

return 0;

}