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//==========================================================================
//
// devs/wallclock/powerpc/moab/include/devs_wallclock_moab.inl
//
// TAMS MOAB RTC IO definitions
//
//==========================================================================
// ####ECOSGPLCOPYRIGHTBEGIN####
// -------------------------------------------
// This file is part of eCos, the Embedded Configurable Operating System.
// Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
//
// eCos is free software; you can redistribute it and/or modify it under
// the terms of the GNU General Public License as published by the Free
// Software Foundation; either version 2 or (at your option) any later
// version.
//
// eCos is distributed in the hope that it will be useful, but WITHOUT
// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
// for more details.
//
// You should have received a copy of the GNU General Public License
// along with eCos; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
//
// As a special exception, if other files instantiate templates or use
// macros or inline functions from this file, or you compile this file
// and link it with other works to produce a work based on this file,
// this file does not by itself cause the resulting work to be covered by
// the GNU General Public License. However the source code for this file
// must still be made available in accordance with section (3) of the GNU
// General Public License v2.
//
// This exception does not invalidate any other reasons why a work based
// on this file might be covered by the GNU General Public License.
// -------------------------------------------
// ####ECOSGPLCOPYRIGHTEND####
//==========================================================================
//#####DESCRIPTIONBEGIN####
//
// Author(s): rajt
// Contributors:rajt
// Date: 2001-07-19
// Purpose: MOAB RTC definitions for using DS1307
//####DESCRIPTIONEND####
//==========================================================================
#include CYGDAT_DEVS_WALLCLOCK_MOAB_CFG
static __inline__ void
DS_GET(cyg_uint8 *regs)
{
cyg_uint8 addr, page;
// Read RTC
addr = 0x00;
page = 0xD1;
if (!hal_ppc405_i2c_put_bytes(page, &addr, 1)) {
diag_printf("%s - Can't select page %x\n", __FUNCTION__, page);
return;
}
if (!hal_ppc405_i2c_get_bytes(page, regs, DS_REGS_SIZE)) {
diag_printf("%s - Can't read RTC\n", __FUNCTION__);
return;
}
#if 0
diag_printf("RTC data - read\n");
diag_dump_buf(regs, DS_REGS_SIZE);
#endif
#ifdef RTC_TEST
addr = 0x10;
page = 0xD1;
if (!hal_ppc405_i2c_put_bytes(page, &addr, 1)) {
diag_printf("%s - Can't select page %x\n", __FUNCTION__, page);
return;
}
if (!hal_ppc405_i2c_get_bytes(page, regs, DS_REGS_SIZE)) {
diag_printf("%s - Can't read RTC\n", __FUNCTION__);
return;
}
diag_printf("RTC data - test\n");
diag_dump_buf(regs, DS_REGS_SIZE);
#endif
}
static __inline__ void
DS_PUT(cyg_uint8 *regs)
{
cyg_uint8 addr_data[DS_REGS_SIZE+1], page;
int i;
#if 0
diag_printf("RTC data - write\n");
diag_dump_buf(regs, DS_REGS_SIZE);
#endif
// Update RTC in one swoop
addr_data[0] = 0x00; // Starting register address
for (i = 0; i < DS_REGS_SIZE; i++) {
addr_data[i+1] = regs[i];
}
page = 0xD0;
if (!hal_ppc405_i2c_put_bytes(page, addr_data, DS_REGS_SIZE+1)) {
diag_printf("%s - Can't write registers\n", __FUNCTION__);
return;
}
#ifdef RTC_TEST
// Test RTC by copying the registers to some of the RAM
addr_data[0] = 0x10; // Starting register address
for (i = 0; i < DS_REGS_SIZE; i++) {
addr_data[i+1] = regs[i];
}
page = 0xD0;
if (!hal_ppc405_i2c_put_bytes(page, addr_data, DS_REGS_SIZE+1)) {
diag_printf("%s - Can't write registers\n", __FUNCTION__);
return;
}
#endif
}
// EOF devs_wallclock_moab.inl