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Diffstat (limited to 'digital/avr/modules/flash/flash.c')
-rw-r--r--digital/avr/modules/flash/flash.c66
1 files changed, 66 insertions, 0 deletions
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 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 "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;
+}