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