static void wifi_callback(uint8_t value)
{
NABTO_LOG_INFO(("WIFI callback: value = 0x%x", value));
switch(value)
{
case CONN_STATUS_LINKED:
linkIsUp = true;
GPIO_ClrBit(LED_LINK_PORT, LED_LINK_PIN);
break;
case CONN_STATUS_DIS:
linkIsUp = false;
GPIO_SetBit(LED_LINK_PORT, LED_LINK_PIN);
break;
}
}
int main(void)
{
int32_t i32Err;
sysDisableCache();
sysFlushCache(I_D_CACHE);
sysEnableCache(CACHE_WRITE_BACK);
sysInitializeUART();
sysprintf("+-------------------------------------------------+\n");
sysprintf("| GPIO Sample Code |\n");
sysprintf("+-------------------------------------------------+\n\n");
/* Configure Port C to input mode and pull-up */
GPIO_Open(GPIOC, DIR_INPUT, PULL_UP);
/* Set Port C output data to 0xFFF */
GPIO_Set(GPIOC, 0xFFF);
/* Set Port C output data to 0x000 */
GPIO_Clr(GPIOC, 0xFFF);
/* Configure Port C to default value */
GPIO_Close(GPIOC);
i32Err = 0;
sysprintf("GPIO PD.3(output mode) connect to PD.4(input mode) ......");
/* Configure PD3 to output mode */
GPIO_OpenBit(GPIOD, BIT3, DIR_OUTPUT, NO_PULL_UP);
/* Configure PD4 to output mode */
GPIO_OpenBit(GPIOD, BIT4, DIR_INPUT, NO_PULL_UP);
/* Use Pin Data Input/Output Control to pull specified I/O or get I/O pin status */
/* Pull PD.3 to High and check PD.4 status */
GPIO_SetBit(GPIOD, BIT3);
if(GPIO_ReadBit(GPIOD,BIT4)==0)
i32Err = 1;
/* Pull PD.3 to Low and check PD.4 status */
GPIO_ClrBit(GPIOD, BIT3);
if(GPIO_ReadBit(GPIOD,BIT4)==1)
i32Err = 1;
if(i32Err)
{
sysprintf(" [FAIL].\n");
}
else
{
sysprintf(" [OK].\n");
}
/* Configure PD3 to default value */
GPIO_CloseBit(GPIOD, BIT3);
/* Configure PD4 to default value */
GPIO_CloseBit(GPIOD, BIT3);
/* Set MFP_GPF11 to EINT0 */
outpw(REG_SYS_GPF_MFPH,(inpw(REG_SYS_GPF_MFPH) & ~(0xF<<12)) | (0xF<<12));
/* Configure PF11 to input mode and pull-up */
GPIO_OpenBit(GPIOF, BIT11, DIR_INPUT, PULL_UP);
/* Confingure PF11 to rising-edge trigger */
GPIO_EnableTriggerType(GPIOF, BIT11,RISING);
/* Enable external 0 interrupt */
GPIO_EnableEINT(NIRQ0, (GPIO_CALLBACK)EINT0Callback, 0);
/* waiting for external 0 interrupt */
sysprintf("waiting for PF11 rsing-edge trigger...");
while(!eint_complete);
/* Disable PF11 trigger type */
GPIO_DisableTriggerType(GPIOF, BIT11);
/* Enable external 0 interrupt */
GPIO_DisableEINT(NIRQ0);
sysprintf(" [OK].\n");
/* Configure PF11 to default value */
GPIO_CloseBit(GPIOF, BIT11);
/* Configure PE3 to output mode */
GPIO_OpenBit(GPIOE, BIT3, DIR_INPUT, NO_PULL_UP);
/* Confingure PE3 to falling-edge trigger */
GPIO_EnableTriggerType(GPIOE, BIT3,FALLING);
/* Enable GPIOE interrupt */
GPIO_EnableInt(GPIOE, (GPIO_CALLBACK)GPIOECallback, 0);
/* waiting for external 0 interrupt */
sysprintf("waiting for PE3 falling-edge trigger...");
while(!gpio_complete);
/* Disable PE3 to trigger type */
GPIO_DisableTriggerType(GPIOE, BIT3);
/* Disable GPIOE interrupt */
GPIO_DisableInt(GPIOE);
/* Configure PE0 to default value */
GPIO_CloseBit(GPIOE, BIT3);
sysprintf(" [OK].\n");
while(1);
}