--- /dev/null
+/*
+ * Copyright 2013 Olivier Matz <zer0@droids-corp.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 <string.h>
+#include <stdio.h>
+#include <stdint.h>
+
+#include <aversive/pgmspace.h>
+#include <aversive/eeprom.h>
+#include <aversive/error.h>
+
+#include <uart.h>
+
+
+#include "cmdline.h"
+#include "eeprom_config.h"
+
+/* load configuration from eeprom */
+int8_t eeprom_load_config(void)
+{
+ struct eeprom_config *e = NULL;
+ struct eeprom_cmd cmd;
+ uint32_t magic;
+ uint8_t i, max;
+
+ eeprom_read_block(&magic, &e->magic, sizeof(magic));
+ if (magic != EEPROM_CONFIG_MAGIC) {
+ printf_P(PSTR("no EEPROM config\n"));
+ eeprom_set_ncmds(0);
+ return 0;
+ }
+
+ max = eeprom_get_ncmds();
+ for (i = 0; i < max; i++) {
+ eeprom_get_cmd(&cmd, i);
+ printf_P(PSTR("%s"), cmd.buf);
+ cmdline_valid_buffer(cmd.buf, strlen(cmd.buf));
+ }
+
+ return -1;
+}
+
+uint8_t eeprom_get_ncmds(void)
+{
+ struct eeprom_config *e = NULL;
+ uint8_t ncmds;
+
+ eeprom_read_block(&ncmds, &e->ncmds, sizeof(ncmds));
+ return ncmds;
+}
+
+void eeprom_set_ncmds(uint8_t ncmds)
+{
+ struct eeprom_config *e = NULL;
+ uint32_t magic = EEPROM_CONFIG_MAGIC;
+ eeprom_update_block(&ncmds, &e->ncmds, sizeof(ncmds));
+ eeprom_update_block(&magic, &e->magic, sizeof(magic));
+}
+
+/* fill cmd struct with the n-th command from eeprom, no check is done
+ * on index or size. The \0 is added at the end of the string. */
+void eeprom_get_cmd(struct eeprom_cmd *cmd, uint8_t n)
+{
+ struct eeprom_config *e = NULL;
+
+ eeprom_read_block(cmd, &e->cmds[n], sizeof(*cmd));
+ cmd->buf[EEPROM_CMD_SIZE-1] = '\0';
+}
+
+/* fill n-th command of eeprom from struct, no check is done on index
+ * or size */
+void eeprom_set_cmd(struct eeprom_cmd *cmd, uint8_t n)
+{
+ struct eeprom_config *e = NULL;
+
+ eeprom_update_block(cmd, &e->cmds[n], sizeof(*cmd));
+}
+
+void eeprom_dump_cmds(void)
+{
+ uint8_t i, max;
+ struct eeprom_cmd cmd;
+
+ printf_P(PSTR("init commands:\n"));
+ max = eeprom_get_ncmds();
+ for (i = 0; i < max; i++) {
+ eeprom_get_cmd(&cmd, i);
+ printf_P(PSTR("%.2d: %s"), i, cmd.buf);
+ }
+}
+
+int8_t eeprom_insert_cmd_before(const char *str, uint8_t n)
+{
+ uint8_t i, max;
+ struct eeprom_cmd cmd;
+
+ if (strlen(str) >= EEPROM_CMD_SIZE)
+ return -1;
+
+ max = eeprom_get_ncmds();
+ if (n > max)
+ return -1;
+ if (max >= EEPROM_N_CMD_MAX)
+ return -1;
+
+ for (i = max; i > n; i--) {
+ eeprom_get_cmd(&cmd, i-1);
+ eeprom_set_cmd(&cmd, i);
+ }
+
+ snprintf(cmd.buf, sizeof(cmd.buf), "%s", str);
+ eeprom_set_cmd(&cmd, n);
+ eeprom_set_ncmds(max + 1);
+ return 0;
+}
+
+int8_t eeprom_append_cmd(const char *str)
+{
+ uint8_t max;
+
+ max = eeprom_get_ncmds();
+ return eeprom_insert_cmd_before(str, max);
+}
+
+int8_t eeprom_delete_cmd(uint8_t n)
+{
+ uint8_t i, max;
+ struct eeprom_cmd cmd;
+
+ max = eeprom_get_ncmds();
+ if (n >= max)
+ return -1;
+
+ for (i = n; i < max-1; i++) {
+ eeprom_get_cmd(&cmd, i+1);
+ eeprom_set_cmd(&cmd, i);
+ }
+
+ eeprom_set_ncmds(max - 1);
+ return 0;
+}