From 62949cf58f69ccd67fb38bb1aedcfe6a667265c1 Mon Sep 17 00:00:00 2001 From: Nélio Laranjeiro Date: Wed, 17 Jun 2009 23:47:12 +0200 Subject: *digital/avr/modules/flash: * Coded a flash simulation for host. --- digital/avr/modules/flash/flash.c | 66 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 66 insertions(+) create mode 100644 digital/avr/modules/flash/flash.c (limited to 'digital/avr/modules/flash/flash.c') diff --git a/digital/avr/modules/flash/flash.c b/digital/avr/modules/flash/flash.c new file mode 100644 index 00000000..b8f9143c --- /dev/null +++ b/digital/avr/modules/flash/flash.c @@ -0,0 +1,66 @@ +/* flash.c */ +/* avr.flash - AVR Flash SPI use. {{{ + * + * Copyright (C) 2009 Nélio Laranjeiro + * + * APBTeam: + * Web: http://apbteam.org/ + * Email: team AT apbteam DOT org + * + * This program 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 of the License, or + * (at your option) any later version. + * + * This program 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 this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * + * }}} */ +#include "flash.h" +#include "modules/proto/proto.h" + +int8_t +flash_log (uint8_t size, uint8_t *args) +{ + uint8_t buf[FLASH_LOG_BUFFER_SIZE+1]; + int8_t error = 0x0; + uint32_t addr = 0; + + if (size >= 4) + addr = (((uint32_t) args[1]) << 16) + | (((uint32_t) args[2]) << 8) | args[3]; + + switch (args[0]) + { + case FLASH_CMD_INIT: + error = !flash_init (); + proto_send1b ('s', error ? 0 : 1); + break; + case FLASH_CMD_READ: + if ((size == 5) + && (args[4] <= sizeof(buf))) + { + flash_read_array (addr, buf, args[4]); + proto_send ('r', args[4], buf); + error = 0; + } + else if (size == 4) + { + proto_send1b ('r', flash_read (addr)); + error = 0; + } + else + error = 2; + break; + default: + return 3; + } + + return error; +} -- cgit v1.2.3