lpc23xx跟lpc21xx 很多不一样的
- #include <LPC23xx.H> /* LPC24xx definitions */
- /*----------------------------------------------------------------------------
- * init_serial: Initialize Serial Interface
- *---------------------------------------------------------------------------*/
- void init_serial (void) {
- /* Initialize the serial interface */
- /* Configure UART0 for 115200 baud. */
- PINSEL0 &= ~(3 << 4);
- PINSEL0 |= 1 << 4; /* Enable TxD0 pin */
- PINSEL0 &= ~(3 << 6);
- PINSEL0 |= 1 << 6; /* Enable RxD0 pin */
- U0LCR = 0x83; /* 8 bits, no Parity, 1 Stop bit*/
- U0DLL = 26; /* for 11.0592MHz PCLK Clock */
- // U0FDR = 0x67; /* Fractional Divider */
- U0LCR = 0x03; /* DLAB = 0 */
- }
- /*----------------------------------------------------------------------------
- * sendchar: Write a character to Serial Port
- *---------------------------------------------------------------------------*/
- int sendchar (int ch) {
- if (ch == '\n') {
- while (!(U0LSR & 0x20));
- U0THR = '\r';
- }
- while (!(U0LSR & 0x20));
- return (U0THR = ch);
- }
- /*----------------------------------------------------------------------------
- * getkey: Read a character from Serial Port
- *---------------------------------------------------------------------------*/
- int getkey (void) {
- while (!(U0LSR & 0x01));
- return (U0RBR);
- }
- /*----------------------------------------------------------------------------
- * RxDataReady: if U1RBR contains valid data reurn 1, otherwise 0
- *---------------------------------------------------------------------------*/
- int RxDataReady( void )
- {
- return ( U0LSR & 0x01 ); //Receive data ready
- //return ( U0LSR & 0x01 ); //Receive data ready
- }
- /*----------------------------------------------------------------------------
- * end of file
- *---------------------------------------------------------------------------*/
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