IIC.zip_IIC_at91rm9200

//*---------------------------------------------------------------------------- //* 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_AT91RM9200.h //* Object : AT91RM9200 inlined functions //* Generated : AT91 SW Application Group 04/16/2003 (12:30:07) //* //* CVS Reference : /lib_pdc.h/1.2/Tue Jul 02 11:29:40 2002// //* CVS Reference : /lib_dbgu.h/1.1/Fri Jan 31 11:18:40 2003// //* CVS Reference : /lib_rtc_1245d.h/1.1/Fri Jan 31 11:19:12 2003// //* CVS Reference : /lib_ssc.h/1.4/Fri Jan 31 11:19:20 2003// //* CVS Reference : /lib_spi_AT91RMxxxx.h/1.2/Fri Jan 31 11:19:32 2003// //* CVS Reference : /lib_tc_1753b.h/1.1/Fri Jan 31 11:20:02 2003// //* CVS Reference : /lib_pmc.h/1.3/Thu Nov 14 06:40:46 2002// //* CVS Reference : /lib_pio.h/1.3/Fri Jan 31 11:18:56 2003// //* CVS Reference : /lib_twi.h/1.2/Fri Jan 31 11:19:38 2003// //* CVS Reference : /lib_usart.h/1.5/Thu Nov 21 15:01:54 2002// //* CVS Reference : /lib_mci.h/1.2/Wed Nov 20 13:18:56 2002// //* CVS Reference : /lib_aic.h/1.3/Fri Jul 12 06:46:12 2002// //* CVS Reference : /lib_udp.h/1.3/Fri Jan 31 11:19:48 2003// //* CVS Reference : /lib_st.h/1.4/Fri Jan 31 11:20:14 2003// //*---------------------------------------------------------------------------- #include <stdio.h> #include <stdarg.h> #include <string.h> #include "AT91RM9200.H" #ifndef lib_AT91RM9200_H #define lib_AT91RM9200_H /* ***************************************************************************** SOFTWARE API FOR PDC ***************************************************************************** */ //*---------------------------------------------------------------------------- //* \fn AT91F_PDC_SetNextRx //* \brief Set the next receive transfer descriptor //*---------------------------------------------------------------------------- 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 //*---------------------------------------------------------------------------- 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 //*---------------------------------------------------------------------------- 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 //*---------------------------------------------------------------------------- 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 //*---------------------------------------------------------------------------- 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 //*---------------------------------------------------------------------------- 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 //*---------------------------------------------------------------------------- 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 //*---------------------------------------------------------------------------- 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 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 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 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 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 //*---------------------------------------------------------------------------- extern void AT91F_PDC_Open ( AT91PS_PDC pPDC) // \arg pointer