?? lib_at91sam7s64a.h
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//*----------------------------------------------------------------------------
//* ATMEL Microcontroller Software Support - ROUSSET -
//*----------------------------------------------------------------------------
//* The software is delivered "AS IS" without warranty or condition of any
//* kind, either express, implied or statutory. This includes without
//* limitation any warranty or condition with respect to merchantability or
//* fitness for any particular purpose, or against the infringements of
//* intellectual property rights of others.
//*----------------------------------------------------------------------------
//* File Name : lib_AT91SAM7S64.h
//* Object : AT91SAM7S64 inlined functions
//* Generated : AT91 SW Application Group 09/01/2004 (10:02:06)
//*
//* CVS Reference : /lib_MC_SAM.h/1.3/Wed Apr 28 09:02:36 2004//
//* CVS Reference : /lib_pdc.h/1.2/Tue Jul 02 12:29:40 2002//
//* CVS Reference : /lib_dbgu.h/1.1/Fri Jan 31 12:18:40 2003//
//* CVS Reference : /lib_ssc.h/1.4/Fri Jan 31 12:19:20 2003//
//* CVS Reference : /lib_spi2.h/1.1/Mon Aug 25 13:23:52 2003//
//* CVS Reference : /lib_PWM_SAM.h/1.3/Wed Dec 03 10:23:10 2003//
//* CVS Reference : /lib_tc_1753b.h/1.1/Fri Jan 31 12:20:02 2003//
//* CVS Reference : /lib_pmc_SAM.h/1.6/Wed Apr 14 12:02:52 2004//
//* CVS Reference : /lib_adc.h/1.6/Fri Oct 17 08:12:38 2003//
//* CVS Reference : /lib_pio.h/1.3/Fri Jan 31 12:18:56 2003//
//* CVS Reference : /lib_twi.h/1.3/Mon Jul 19 13:37:30 2004//
//* CVS Reference : /lib_usart.h/1.5/Thu Nov 21 16:01:54 2002//
//* CVS Reference : /lib_udp.h/1.3/Fri Jan 31 12:19:48 2003//
//* CVS Reference : /lib_aic.h/1.3/Fri Jul 12 07:46:12 2002//
//*----------------------------------------------------------------------------
#ifndef lib_AT91SAM7S64_H
#define lib_AT91SAM7S64_H
/* *****************************************************************************
SOFTWARE API FOR MC
***************************************************************************** */
#define AT91C_MC_CORRECT_KEY ((unsigned int) 0x5A << 24) // (MC) Correct Protect Key
//*----------------------------------------------------------------------------
//* \fn AT91F_MC_Remap
//* \brief Make Remap
//*----------------------------------------------------------------------------
__inline static void AT91F_MC_Remap (void) //
{
AT91PS_MC pMC = (AT91PS_MC) AT91C_BASE_MC;
pMC->MC_RCR = AT91C_MC_RCB;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_MC_EFC_CfgModeReg
//* \brief Configure the EFC Mode Register of the MC controller
//*----------------------------------------------------------------------------
__inline static void AT91F_MC_EFC_CfgModeReg (
AT91PS_MC pMC, // pointer to a MC controller
unsigned int mode) // mode register
{
// Write to the FMR register
pMC->MC_FMR = mode;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_MC_EFC_GetModeReg
//* \brief Return MC EFC Mode Regsiter
//*----------------------------------------------------------------------------
__inline static unsigned int AT91F_MC_EFC_GetModeReg(
AT91PS_MC pMC) // pointer to a MC controller
{
return pMC->MC_FMR;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_MC_EFC_ComputeFMCN
//* \brief Return MC EFC Mode Regsiter
//*----------------------------------------------------------------------------
__inline static unsigned int AT91F_MC_EFC_ComputeFMCN(
int master_clock) // master clock in Hz
{
return (master_clock/1000000 +2);
}
//*----------------------------------------------------------------------------
//* \fn AT91F_MC_EFC_PerformCmd
//* \brief Perform EFC Command
//*----------------------------------------------------------------------------
__inline static void AT91F_MC_EFC_PerformCmd (
AT91PS_MC pMC, // pointer to a MC controller
unsigned int transfer_cmd)
{
pMC->MC_FCR = transfer_cmd;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_MC_EFC_GetStatus
//* \brief Return MC EFC Status
//*----------------------------------------------------------------------------
__inline static unsigned int AT91F_MC_EFC_GetStatus(
AT91PS_MC pMC) // pointer to a MC controller
{
return pMC->MC_FSR;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_MC_EFC_IsInterruptMasked
//* \brief Test if EFC MC Interrupt is Masked
//*----------------------------------------------------------------------------
__inline static unsigned int AT91F_MC_EFC_IsInterruptMasked(
AT91PS_MC pMC, // \arg pointer to a MC controller
unsigned int flag) // \arg flag to be tested
{
return (AT91F_MC_EFC_GetModeReg(pMC) & flag);
}
//*----------------------------------------------------------------------------
//* \fn AT91F_MC_EFC_IsInterruptSet
//* \brief Test if EFC MC Interrupt is Set
//*----------------------------------------------------------------------------
__inline static unsigned int AT91F_MC_EFC_IsInterruptSet(
AT91PS_MC pMC, // \arg pointer to a MC controller
unsigned int flag) // \arg flag to be tested
{
return (AT91F_MC_EFC_GetStatus(pMC) & flag);
}
/* *****************************************************************************
SOFTWARE API FOR PDC
***************************************************************************** */
//*----------------------------------------------------------------------------
//* \fn AT91F_PDC_SetNextRx
//* \brief Set the next receive transfer descriptor
//*----------------------------------------------------------------------------
__inline static void AT91F_PDC_SetNextRx (
AT91PS_PDC pPDC, // \arg pointer to a PDC controller
char *address, // \arg address to the next bloc to be received
unsigned int bytes) // \arg number of bytes to be received
{
pPDC->PDC_RNPR = (unsigned int) address;
pPDC->PDC_RNCR = bytes;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_PDC_SetNextTx
//* \brief Set the next transmit transfer descriptor
//*----------------------------------------------------------------------------
__inline static void AT91F_PDC_SetNextTx (
AT91PS_PDC pPDC, // \arg pointer to a PDC controller
char *address, // \arg address to the next bloc to be transmitted
unsigned int bytes) // \arg number of bytes to be transmitted
{
pPDC->PDC_TNPR = (unsigned int) address;
pPDC->PDC_TNCR = bytes;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_PDC_SetRx
//* \brief Set the receive transfer descriptor
//*----------------------------------------------------------------------------
__inline static void AT91F_PDC_SetRx (
AT91PS_PDC pPDC, // \arg pointer to a PDC controller
char *address, // \arg address to the next bloc to be received
unsigned int bytes) // \arg number of bytes to be received
{
pPDC->PDC_RPR = (unsigned int) address;
pPDC->PDC_RCR = bytes;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_PDC_SetTx
//* \brief Set the transmit transfer descriptor
//*----------------------------------------------------------------------------
__inline static void AT91F_PDC_SetTx (
AT91PS_PDC pPDC, // \arg pointer to a PDC controller
char *address, // \arg address to the next bloc to be transmitted
unsigned int bytes) // \arg number of bytes to be transmitted
{
pPDC->PDC_TPR = (unsigned int) address;
pPDC->PDC_TCR = bytes;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_PDC_EnableTx
//* \brief Enable transmit
//*----------------------------------------------------------------------------
__inline static void AT91F_PDC_EnableTx (
AT91PS_PDC pPDC ) // \arg pointer to a PDC controller
{
pPDC->PDC_PTCR = AT91C_PDC_TXTEN;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_PDC_EnableRx
//* \brief Enable receive
//*----------------------------------------------------------------------------
__inline static void AT91F_PDC_EnableRx (
AT91PS_PDC pPDC ) // \arg pointer to a PDC controller
{
pPDC->PDC_PTCR = AT91C_PDC_RXTEN;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_PDC_DisableTx
//* \brief Disable transmit
//*----------------------------------------------------------------------------
__inline static void AT91F_PDC_DisableTx (
AT91PS_PDC pPDC ) // \arg pointer to a PDC controller
{
pPDC->PDC_PTCR = AT91C_PDC_TXTDIS;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_PDC_DisableRx
//* \brief Disable receive
//*----------------------------------------------------------------------------
__inline static void AT91F_PDC_DisableRx (
AT91PS_PDC pPDC ) // \arg pointer to a PDC controller
{
pPDC->PDC_PTCR = AT91C_PDC_RXTDIS;
}
//*----------------------------------------------------------------------------
//* \fn AT91F_PDC_IsTxEmpty
//* \brief Test if the current transfer descriptor has been sent
//*----------------------------------------------------------------------------
__inline static int AT91F_PDC_IsTxEmpty ( // \return return 1 if transfer is complete
AT91PS_PDC pPDC ) // \arg pointer to a PDC controller
{
return !(pPDC->PDC_TCR);
}
//*----------------------------------------------------------------------------
//* \fn AT91F_PDC_IsNextTxEmpty
//* \brief Test if the next transfer descriptor has been moved to the current td
//*----------------------------------------------------------------------------
__inline static int AT91F_PDC_IsNextTxEmpty ( // \return return 1 if transfer is complete
AT91PS_PDC pPDC ) // \arg pointer to a PDC controller
{
return !(pPDC->PDC_TNCR);
}
//*----------------------------------------------------------------------------
//* \fn AT91F_PDC_IsRxEmpty
//* \brief Test if the current transfer descriptor has been filled
//*----------------------------------------------------------------------------
__inline static int AT91F_PDC_IsRxEmpty ( // \return return 1 if transfer is complete
AT91PS_PDC pPDC ) // \arg pointer to a PDC controller
{
return !(pPDC->PDC_RCR);
}
//*----------------------------------------------------------------------------
//* \fn AT91F_PDC_IsNextRxEmpty
//* \brief Test if the next transfer descriptor has been moved to the current td
//*----------------------------------------------------------------------------
__inline static int AT91F_PDC_IsNextRxEmpty ( // \return return 1 if transfer is complete
AT91PS_PDC pPDC ) // \arg pointer to a PDC controller
{
return !(pPDC->PDC_RNCR);
}
//*----------------------------------------------------------------------------
//* \fn AT91F_PDC_Open
//* \brief Open PDC: disable TX and RX reset transfer descriptors, re-enable RX and TX
//*----------------------------------------------------------------------------
__inline static void AT91F_PDC_Open (
AT91PS_PDC pPDC) // \arg pointer to a PDC controller
{
//* Disable the RX and TX PDC transfer requests
AT91F_PDC_DisableRx(pPDC);
AT91F_PDC_DisableTx(pPDC);
//* Reset all Counter register Next buffer first
AT91F_PDC_SetNextTx(pPDC, (char *) 0, 0);
AT91F_PDC_SetNextRx(pPDC, (char *) 0, 0);
AT91F_PDC_SetTx(pPDC, (char *) 0, 0);
AT91F_PDC_SetRx(pPDC, (char *) 0, 0);
//* Enable the RX and TX PDC transfer requests
AT91F_PDC_EnableRx(pPDC);
AT91F_PDC_EnableTx(pPDC);
}
//*----------------------------------------------------------------------------
//* \fn AT91F_PDC_Close
//* \brief Close PDC: disable TX and RX reset transfer descriptors
//*----------------------------------------------------------------------------
__inline static void AT91F_PDC_Close (
AT91PS_PDC pPDC) // \arg pointer to a PDC controller
{
//* Disable the RX and TX PDC transfer requests
AT91F_PDC_DisableRx(pPDC);
AT91F_PDC_DisableTx(pPDC);
//* Reset all Counter register Next buffer first
AT91F_PDC_SetNextTx(pPDC, (char *) 0, 0);
AT91F_PDC_SetNextRx(pPDC, (char *) 0, 0);
AT91F_PDC_SetTx(pPDC, (char *) 0, 0);
AT91F_PDC_SetRx(pPDC, (char *) 0, 0);
}
//*----------------------------------------------------------------------------
//* \fn AT91F_PDC_SendFrame
//* \brief Close PDC: disable TX and RX reset transfer descriptors
//*----------------------------------------------------------------------------
__inline static unsigned int AT91F_PDC_SendFrame(
AT91PS_PDC pPDC,
char *pBuffer,
unsigned int szBuffer,
char *pNextBuffer,
unsigned int szNextBuffer )
{
if (AT91F_PDC_IsTxEmpty(pPDC)) {
//* Buffer and next buffer can be initialized
AT91F_PDC_SetTx(pPDC, pBuffer, szBuffer);
AT91F_PDC_SetNextTx(pPDC, pNextBuffer, szNextBuffer);
return 2;
}
else if (AT91F_PDC_IsNextTxEmpty(pPDC)) {
//* Only one buffer can be initialized
AT91F_PDC_SetNextTx(pPDC, pBuffer, szBuffer);
return 1;
}
else {
//* All buffer are in use...
return 0;
}
}
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