csl_nfcaux.h

来自「dsp在音频处理中的运用」· C头文件 代码 · 共 214 行

#ifndef _CSL_NFCAUX_H_
#define _CSL_NFCAUX_H_

#include <csl_nfc.h>
#include <cslr_nfc.h>


#ifdef __cplusplus
extern "C" {
#endif


static inline
void
    CSL_nfcSendCommand (
        CSL_NfcHandle   hNfc, 
        Uint8           command
)
{
    CSL_FINS(hNfc->regs->COMMAND_SEC, NFC_COMMAND_SEC_COMMAND, command);
}


static inline
void
    CSL_nfcSendCommandAddr (
        CSL_NfcHandle   hNfc,
        Uint8           command,
        Uint32          address
)
{
    hNfc->regs->ADDR_SRC = address;
    CSL_FINS(hNfc->regs->COMMAND, NFC_COMMAND_COMMAND, command);
}
    

static inline
Uint32
    CSL_nfcReadData (
        CSL_NfcHandle   hNfc
)
{
    return hNfc->regs->ACCESS;
}


static inline
void
    CSL_nfcWriteData (
        CSL_NfcHandle   hNfc,
        Uint32          data
)
{
    hNfc->regs->ACCESS = data;
}


static inline
void
    CSL_nfcSetFifoMode (
        CSL_NfcHandle   hNfc,
        CSL_NfcFifoMode mode
)
{
    CSL_FINS(hNfc->regs->CTRL, NFC_CTRL_PREFETCH, (mode & 2) >> 1);
    CSL_FINS(hNfc->regs->CTRL, NFC_CTRL_POSTWRITE, mode & 1);
}


static inline
CSL_BitMask16
    CSL_nfcEventEnable (
        CSL_NfcHandle   hNfc,
        CSL_BitMask16   enableMask
)
{
    CSL_BitMask16   prevMask;
    prevMask = hNfc->regs->MASK;
    /* WARNING: writing into the reserved fields as well! */
    hNfc->regs->MASK  = enableMask;
    return prevMask;
}


static inline
CSL_BitMask16
    CSL_nfcEventClear (
        CSL_NfcHandle   hNfc,
        CSL_BitMask16   clearMask
)
{
    CSL_BitMask16   prevStatus;
    prevStatus = hNfc->regs->STATUS;
    hNfc->regs->STATUS |= clearMask;
    return prevStatus;
}


static inline
CSL_BitMask16
    CSL_nfcEventStatus (
        CSL_NfcHandle   hNfc
)
{
    return hNfc->regs->STATUS;
}


static inline
void
    CSL_nfcResetECC (
        CSL_NfcHandle   hNfc
)
{
    CSL_FINS(hNfc->regs->RESET, NFC_RESET_RESET_ECC, 1);
}


static inline
void
    CSL_nfcAssertDmaRq (
        CSL_NfcHandle   hNfc
)
{
    CSL_FINS(hNfc->regs->RESET, NFC_RESET_RESETDMASYNCHRO, 1);
}


static inline
void
    CSL_nfcSoftReset (
        CSL_NfcHandle   hNfc
)
{
    CSL_FINS(hNfc->regs->SYSCFG, NFC_SYSCFG_SOFTRESET, 1);
}


static inline
Bool
    CSL_nfcResetDone (
        CSL_NfcHandle   hNfc
)
{
    return (Bool)CSL_FEXT(hNfc->regs->SYSSTATUS, NFC_SYSSTATUS_RESETDONE);
}


static inline
Uint8
    CSL_nfcReadFifoData (
        CSL_NfcHandle   hNfc
)
{
    return (Uint8)CSL_FEXT(hNfc->regs->FIFO, NFC_FIFO_DATA);
}


static inline
void
    CSL_nfcWriteFifoData (
        CSL_NfcHandle   hNfc,
        Uint8           data
)
{
    CSL_FINS(hNfc->regs->FIFO, NFC_FIFO_DATA, data);
}
            

static inline
CSL_NfcRevision
    CSL_nfcGetRevision (
        CSL_NfcHandle   hNfc
)
{
    return (CSL_NfcRevision)hNfc->regs->REVISION;
}


static inline
Bool
    CSL_nfcIsReady (
        CSL_NfcHandle   hNfc
)
{
    return (Bool)CSL_FEXT(hNfc->regs->READY, NFC_READY_READY);
}


static inline
void
    CSL_nfcReadECC (
        CSL_NfcHandle   hNfc,
        Uint16          eccNumRegs,
        Uint32 *        eccTable
)
{
    register int i;

    for (i = 0; i < eccNumRegs; ++i) {
        eccTable[i] = hNfc->regs->ECC[i];
    }

    return ;
}

#ifdef __cplusplus
}
#endif


#endif