serial.h

来自「Intel PXA270的bootloader程序,在linux环境下运行的.」· C头文件 代码 · 共 76 行

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#ifndef _SERIAL_H#define _SERIAL_H#define USE_FFUART#undef  USE_BTUART#undef  USE_STUART#define UART_BAUDRATE			(115200)//#define LCR_VALUE			(0x03)		// No Parity, 8 bit data, 1 stop bit// Change between BaudRate and DLV (Value of Divisor Latch Registers:DLL,DLH)// PXA255 Processor Developer's Manual//   10.4.2.3 Divisor Latch Registers (DLL and DLH) p 10-7#define BaudToDLV(_baud)				(14745600 / (16 * (_baud)))#define DLVToBaud(_dlv)					(14745600 / (16 * (_dlv)))#define UART_RBR					(0x00)#define UART_THR					(0x00)#define UART_IER					(0x04)#define UART_IIR					(0x08)#define UART_FCR					(0x08)#define UART_LCR					(0x0C)#define UART_MCR					(0x10)#define UART_LSR					(0x14)#define UART_MSR					(0x18)#define UART_SPR					(0x1C)#define UART_ISR					(0x20)#define UART_DLL					(0x00)#define UART_DLH					(0x04)#define UART_IER_DMAE				(0x80)#define UART_IER_UUE				(0x40)#define UART_IER_NRZE				(0x20)#define UART_IER_RTOIE				(0x10)#define UART_IER_MIE				(0x08)#define UART_IER_RLSE				(0x04)#define UART_IER_TIE				(0x02)#define UART_IER_RAVIE				(0x01)#define UART_IIR_FIFOES_MASK		(0x0C)#define UART_IIR_FIFOES_NOT_FIFO	(0x00)#define UART_IIR_FIFOES_FIFO		(0x0C)#define UART_IIR_TOD				(0x08)#define UART_IIR_IID_MASK			(0x06)#define UART_IIR_IID_MODEM_STATUS	(0x00)#define UART_IIR_IID_TRD			(0x02)#define UART_IIR_IID_RDA			(0x04)#define UART_IIR_IID_RERR			(0x06)#define UART_IIR_IP					(0x01)#define UART_LSR_FIFOE				(0x80)#define UART_LSR_TEMT				(0x40)#define UART_LSR_TDRQ				(0x20)#define UART_LSR_BI					(0x10)#define UART_LSR_FE					(0x08)#define UART_LSR_PE					(0x04)#define UART_LSR_OE					(0x02)#define UART_LSR_DR					(0x01)#ifndef __ASSEMBLY__extern bool uart_init(void);extern int uart_putc(int ch);			// put char : \n -> \r\nextern int uart_getc(void);				// get char : \r -> \nextern int uart_puts(const char *s);extern int uart_putb(int ch);			// put byteextern int uart_getb(void);				// get byteextern int uart_write(const void *buff, int count);#endif#endif

serial.h - 源码说明

本页面展示了「Intel PXA270的bootloader程序,在linux环境下运行的.」中的 serial.h 源码文件，采用 C头文件 编程语言编写，共 76 行代码。您可以在线阅读完整代码内容，也可以返回资源详情页下载完整源码包进行本地学习和开发。

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