Introduction - If you have any usage issues, please Google them yourself
KEY programming on the LED and using the package good " driver library" model, just add the LED and the KEY Project in the driver, you can use with ease. For example, the operation of the LED is simple: LED_Init (LED1) // only initialize the LED1, LED2 and LED3 against GPIO pins where no effect LED_Init (LED1 | LED2 | LED3) // also initialize 3 only LED LED_On (LED2 | LED3) // while light LED2 and LED3, LED1 state remains unchanged while the addition LED_Off () and LED_Toggle () function of the two operations, usage is similar.