/* test-erase.c */ /* avr.flash - AVR Flash SPI use. {{{ * * Copyright (C) 2008 NĂ©lio 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 "common.h" #include "io.h" #include "../flash.h" #include "modules/proto/proto.h" #include "modules/utils/utils.h" #include "modules/utils/byte.h" #include "modules/uart/uart.h" void proto_callback (uint8_t cmd, uint8_t size, uint8_t *args) { /* May be unused. */ uint32_t addr = v8_to_v32 (0, args[0], args[1], args[2]); uint8_t buf[16]; #define c(cmd, size) (cmd << 8 | size) switch (c (cmd, size)) { case c ('z', 0): /* Reset */ utils_reset (); break; case c ('e', 0): /* Erase full */ flash_erase (FLASH_ERASE_FULL, 0); break; case c ('e', 3): /* Erase 4k: * - 3b: address. */ flash_erase (FLASH_ERASE_4K, addr); break; case c ('s', 0): /* print flash status */ proto_send1b ('s', flash_read_status()); break; case c ('w', 0): /* Send the write enable flash command. */ flash_send_command (FLASH_WREN); break; case c ('r', 3): /* Read one byte: * - 3b: address. */ proto_send1b ('r', flash_read (addr)); break; case c ('r', 4): /* Read several bytes: * - 3b: address. * - 1b: number of bytes. */ if (args[3] > sizeof (buf)) { proto_send0 ('?'); return; } else { flash_read_array (addr, buf, args[3]); proto_send ('r', args[3], buf); } break; case c ('w', 4): /* Write one byte: * - 3b: address. * - 1b: byte. */ flash_write (addr, args[3]); break; default: if (cmd == 'w' && size > 4) { /* Write several bytes: * - 3b: address. * - nb: bytes. */ flash_write_array (addr, args + 3, size - 3); } else { /* Error */ proto_send0 ('?'); return; } break; } /* Acknowledge what has been done */ proto_send (cmd, size, args); } int main (void) { uint8_t status; uart0_init (); proto_send0 ('z'); proto_send0 ('c'); status = flash_init (); proto_send1b ('f', status); while (1) proto_accept (uart0_getc ()); }