Software

AN3299

10/13

Doc ID 18113 Rev 1

2.2

Programming guide

Figure 8.

Typical programming flow

2.2.1

Initialization

The following is an example for device initialization based on standard implementation for

GPIO.

●

GPIO initialization (e.g. GPIO to output)

WriteRegister(SYS_CTRL, 0x80);//Issue SW reset

WriteRegister(GPIO_SET_DIR,0x00); //Set port to INPUT

WriteRegister(INT_EN_GPIO_MASK,0xFF); //Enable Input Interrupt

ReadRegister(INT_STA_GPIO);

//Clear all status in GPIO status register

WriteRegister(SYS_CTRL,0x04);

//Active Low, Enable Global Interrupt