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00001 /* ============================================================================ 00002 * Copyright (c) Texas Instruments Inc 2002, 2003, 2004, 2005, 2008 00003 * 00004 * Use of this software is controlled by the terms and conditions found in the 00005 * license agreement under which this software has been supplied. 00006 * ============================================================================ 00007 */ 00008 00019 /* ============================================================================ 00020 * Revision History 00021 * ================ 00022 * 17-Sep-2008 Created 00023 * ============================================================================ 00024 */ 00025 00026 #ifndef _CSL_UARTAUX_H_ 00027 #define _CSL_UARTAUX_H_ 00028 00029 #include <csl_uart.h> 00030 #ifdef __cplusplus 00031 extern "C" { 00032 #endif 00033 00078 static inline 00079 Bool UART_getDataReadyStatus(CSL_UartHandle hUart) 00080 { 00081 Uint16 DatRdy = 0; 00082 00083 DatRdy = CSL_FEXT(hUart->uartRegs->LSR,UART_LSR_DR); 00084 if( DatRdy ) 00085 return TRUE; 00086 return FALSE; 00087 } 00088 00089 00131 static inline 00132 Bool UART_getXmitHoldRegEmptyStatus(CSL_UartHandle hUart) 00133 { 00134 Uint16 XmitRdy = 0; 00135 00136 XmitRdy = CSL_FEXT(hUart->uartRegs->LSR,UART_LSR_THRE); 00137 00138 if( XmitRdy ) 00139 return TRUE; 00140 return FALSE; 00141 } 00142 00184 static inline 00185 CSL_Status UART_getRecvorResetStatus(CSL_UartHandle hUart) 00186 { 00187 Uint16 UrRst = 0; 00188 00189 UrRst = CSL_FEXT(hUart->uartRegs->PWREMU_MGMT,UART_PWREMU_MGMT_URRST); 00190 if( UrRst ) 00191 return FALSE; 00192 return TRUE; 00193 00194 } 00236 static inline 00237 CSL_Status UART_getXmitorResetState(CSL_UartHandle hUart) 00238 { 00239 Uint16 UtRst = 0; 00240 00241 UtRst = CSL_FEXT(hUart->uartRegs->PWREMU_MGMT,UART_PWREMU_MGMT_UTRST); 00242 if( UtRst ) 00243 return FALSE; 00244 return TRUE; 00245 00246 } 00295 static inline 00296 CSL_UartXferMode UART_getModeOfTransfer(CSL_UartHandle hUart) 00297 { 00298 Uint16 UtRst = 0; 00299 00300 UtRst = CSL_FEXT(hUart->uartRegs->FCR,UART_IIR_FIFOEN); 00301 00302 if( 0 == UtRst ) 00303 { 00304 return CSL_UART_NON_FIFO_MODE; 00305 } 00306 if (3 == UtRst) 00307 { 00308 return CSL_UART_FIFO_MODE; 00309 } 00310 return CSL_UART_MODE_UNDEFINED; 00311 00312 } 00354 static inline 00355 CSL_Status UART_setToIntMode(CSL_UartHandle hUart) 00356 { 00357 CSL_Status status = CSL_SOK; 00358 if( NULL == hUart ) 00359 { 00360 return CSL_ESYS_BADHANDLE; 00361 } 00362 hUart->opmode = UART_INTERRUPT; 00363 return status; 00364 }static inline 00404 CSL_Status UART_setToPollMode(CSL_UartHandle hUart) 00405 { 00406 CSL_Status status = CSL_SOK; 00407 hUart->opmode = UART_POLLED; 00408 return status; 00409 } 00410 00458 static inline 00459 CSL_Status UART_enableFreeRun(CSL_UartHandle hUart) 00460 { 00461 CSL_Status status = CSL_SOK; 00462 CSL_FINST(hUart->uartRegs->PWREMU_MGMT, UART_PWREMU_MGMT_FREE,RUN); 00463 return status; 00464 } 00465 00518 static inline 00519 CSL_Status UART_disableFreeRun(CSL_UartHandle hUart) 00520 { 00521 CSL_Status status = CSL_SOK; 00522 CSL_FINST(hUart->uartRegs->PWREMU_MGMT,UART_PWREMU_MGMT_FREE,STOP); 00523 return status; 00524 } 00525 00528 #ifdef __cplusplus 00529 } 00530 #endif 00531 #endif// _CSL_UARTAUX_H_
1.7.4