/*
* 函数名：BSP_Init
* 描 述：时钟初始化、硬件初始化
* 输 入：无
* 输 出：无
*/
void BSP_Init(void)
{
SystemInit(); /* 配置系统时钟为72M */
BSP_LedInit();
BSP_UsartInit();
BSP_EthernetInit();
BSP_NVICConfiguration();
}
/* ------------------------------------------------------------------------------------------------------
* BSP_Init()
*
* Description : MCU sysctl init function.
*
* Argument(s) : none.
*
*/
void BSP_Init(void)
{
/* If running on Rev A2 silicon, turn the LDO voltage up to 2.75V. This is
a workaround to allow the PLL to operate reliably. */
if( DEVICE_IS_REVA2 )
{
SysCtlLDOSet( SYSCTL_LDO_2_75V );
}
//
// Set the clocking to run directly from the crystal.
//
SysCtlClockSet(SYSCTL_SYSDIV_4 | SYSCTL_USE_PLL | SYSCTL_OSC_MAIN |
SYSCTL_XTAL_8MHZ);
//
// Enable the LED.
//
BSP_LedInit();
//
// Enable the peripherals used by this example.
//
SysCtlPeripheralEnable(SYSCTL_PERIPH_UART0);
SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOA);
//
// Set GPIO A0 and A1 as UART.
//
GPIOPinTypeUART(GPIO_PORTA_BASE, GPIO_PIN_0 | GPIO_PIN_1);
//
// Initialize the UART as a console for text I/O.
//
UARTStdioInit(0);
UARTprintf("BSP initialise\n");
}
