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MACROS.h
00001 /* 00002 Copyright (c) 2010 Andy Kirkham 00003 00004 Permission is hereby granted, free of charge, to any person obtaining a copy 00005 of this software and associated documentation files (the "Software"), to deal 00006 in the Software without restriction, including without limitation the rights 00007 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 00008 copies of the Software, and to permit persons to whom the Software is 00009 furnished to do so, subject to the following conditions: 00010 00011 The above copyright notice and this permission notice shall be included in 00012 all copies or substantial portions of the Software. 00013 00014 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 00015 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 00016 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 00017 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 00018 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 00019 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 00020 THE SOFTWARE. 00021 */ 00022 00023 #ifndef MODSERIAL_MACROS_H 00024 #define MODSERIAL_MACROS_H 00025 00026 #define MODSERIAL_RBR 0x00 00027 #define MODSERIAL_THR 0x00 00028 #define MODSERIAL_DLL 0x00 00029 #define MODSERIAL_IER 0x04 00030 #define MODSERIAL_DML 0x04 00031 #define MODSERIAL_IIR 0x08 00032 #define MODSERIAL_FCR 0x08 00033 #define MODSERIAL_LCR 0x0C 00034 #define MODSERIAL_LSR 0x14 00035 #define MODSERIAL_SCR 0x1C 00036 #define MODSERIAL_ACR 0x20 00037 #define MODSERIAL_ICR 0x24 00038 #define MODSERIAL_FDR 0x28 00039 #define MODSERIAL_TER 0x30 00040 00041 #define MODSERIAL_LSR_RDR (1UL << 0) 00042 #define MODSERIAL_LSR_OE (1UL << 1) 00043 #define MODSERIAL_LSR_PE (1UL << 2) 00044 #define MODSERIAL_LSR_FE (1UL << 3) 00045 #define MODSERIAL_LSR_BR (1UL << 4) 00046 #define MODSERIAL_LSR_THRE (1UL << 5) 00047 #define MODSERIAL_LSR_TEMT (1UL << 6) 00048 #define MODSERIAL_LSR_RXFE (1UL << 7) 00049 00050 #define MODSERIAL_FIFO_ENABLE 1 00051 #define MODSERIAL_FIFO_RX_RESET 2 00052 #define MODSERIAL_FIFO_TX_RESET 4 00053 00054 #define _RBR *((char *)_base+MODSERIAL_RBR) 00055 #define _THR *((char *)_base+MODSERIAL_THR) 00056 #define _IIR *((char *)_base+MODSERIAL_IIR) 00057 #define _IER *((char *)_base+MODSERIAL_IER) 00058 #define _LSR *((char *)_base+MODSERIAL_LSR) 00059 #define _FCR *((char *)_base+MODSERIAL_FCR) 00060 00061 #define MODSERIAL_TX_BUFFER_EMPTY (buffer_count[TxIrq]==0) 00062 #define MODSERIAL_RX_BUFFER_EMPTY (buffer_count[RxIrq]==0) 00063 #define MODSERIAL_TX_BUFFER_FULL (buffer_count[TxIrq]==buffer_size[TxIrq]) 00064 #define MODSERIAL_RX_BUFFER_FULL (buffer_count[RxIrq]==buffer_size[RxIrq]) 00065 00066 #define MODSERIAL_THR_HAS_SPACE ((int)_LSR&MODSERIAL_LSR_THRE) 00067 #define MODSERIAL_TEMT_IS_EMPTY ((int)_LSR&MODSERIAL_LSR_TEMT) 00068 #define MODSERIAL_RBR_HAS_DATA ((int)_LSR&MODSERIAL_LSR_RDR) 00069 00070 #endif
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