int main(void)
{
char sCmd[32];
char sArg[8][32];
/* Init Test Status LED */
TestStatusLedInit();
/* Flash LED for test */
FlashLED ( 1 );
/* Enable GPIOA clock */
RCC_APB2PeriphClock_Enable( RCC_APB2PERIPH_GPIOA , ENABLE );
/* Enable USART1 APB clock */
RCC_APB2PeriphClock_Enable( RCC_APB2PERIPH_USART1 , ENABLE );
/* USART1 Pins configuration **************************************************/
{
/* Configure the GPIO ports */
GPIO_InitPara GPIO_InitStructure;
GPIO_InitStructure.GPIO_Pin = GPIO_PIN_9 ;
GPIO_InitStructure.GPIO_Mode = GPIO_MODE_AF_PP;
GPIO_InitStructure.GPIO_Speed = GPIO_SPEED_50MHZ;
GPIO_Init( GPIOA , &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = GPIO_PIN_10;
GPIO_InitStructure.GPIO_Mode = GPIO_MODE_IN_FLOATING;;
GPIO_Init( GPIOA , &GPIO_InitStructure);
}
{
USART_InitPara USART_InitStructure;
USART_DeInit( USART1 );
USART_InitStructure.USART_BRR = 115200;
USART_InitStructure.USART_WL = USART_WL_8B;
USART_InitStructure.USART_STBits = USART_STBITS_1;
USART_InitStructure.USART_Parity = USART_PARITY_RESET;
USART_InitStructure.USART_HardwareFlowControl = USART_HARDWAREFLOWCONTROL_NONE;
USART_InitStructure.USART_RxorTx = USART_RXORTX_RX | USART_RXORTX_TX;
USART_Init(USART1, &USART_InitStructure);
}
/* USART enable */
USART_Enable(USART1, ENABLE);
/* Output a message on Hyperterminal using printf function */
printf("
USART Printf Example: Please press the Key
");
{
NVIC_InitPara NVIC_InitStructure;
/* Enable the USARTx Interrupt */
NVIC_InitStructure.NVIC_IRQ = USART1_IRQn;
NVIC_InitStructure.NVIC_IRQPreemptPriority = 0;
NVIC_InitStructure.NVIC_IRQSubPriority = 0;
NVIC_InitStructure.NVIC_IRQEnable = ENABLE;
NVIC_Init(&NVIC_InitStructure);
}
/* Enable the USART1 Receive interrupt */
USART_INT_Set( USART1, USART_INT_RBNE, ENABLE );
/* Loop until the end of transmission */
/* The software must wait until TC=1. The TC flag remains cleared during all data
transfers and it is set by hardware at the last frame? end of transmission*/
while ( USART_GetBitState( USART1 , USART_FLAG_TC ) == RESET )
{}
uart_cmd=0;
while (1)
{
if(uart_cmd==1){