宏晶STC15系列单片机串口驱动程序
#define COM_TX1_Lenth 128
#define COM_RX1_Lenth 128
#define COM_TX2_Lenth 128
#define COM_RX2_Lenth 128
#define USART1 1
#define USART2 2
#define UART_ShiftRight 0 //同步移位输出
#define UART_8bit_BRTx (1<<6) //8位数据,可变波特率
#define UART_9bit (2<<6) //9位数据,固定波特率
#define UART_9bit_BRTx (3<<6) //9位数据,可变波特率
#define UART1_SW_P30_P31 0
#define UART1_SW_P36_P37 (1<<6)
#define UART1_SW_P16_P17 (2<<6) //必须使用内部时钟
#define UART2_SW_P10_P11 0
#define UART2_SW_P46_P47 1
#define TimeOutSet1 5
#define TimeOutSet2 5
#define BRT_Timer1 1
#define BRT_Timer2 2
