summaryrefslogtreecommitdiffhomepage
diff options
context:
space:
mode:
-rw-r--r--digital/avr/modules/flash/flash.c36
-rw-r--r--digital/avr/modules/flash/flash.h15
-rw-r--r--digital/avr/modules/flash/test/flash-dump.c69
3 files changed, 120 insertions, 0 deletions
diff --git a/digital/avr/modules/flash/flash.c b/digital/avr/modules/flash/flash.c
index 4c528421..2a4b2493 100644
--- a/digital/avr/modules/flash/flash.c
+++ b/digital/avr/modules/flash/flash.c
@@ -237,3 +237,39 @@ flash_write_array (uint32_t addr, uint8_t *data, uint32_t length)
}
}
+uint8_t
+flash_log (uint8_t size, uint8_t *args)
+{
+ uint8_t buf[128];
+ uint8_t status = 0x0;
+ uint32_t addr;
+
+ if (size >= 4)
+ addr = (((uint32_t) args[1]) << 16)
+ | (((uint32_t) args[2]) << 8) | args[3];
+
+ switch (args[0])
+ {
+ case FLASH_CMD_INIT:
+ status = flash_init ();
+ 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);
+ status = 0x1;
+ }
+ else if (size == 4)
+ {
+ proto_send1b ('r', flash_read (addr));
+ status = 0x1;
+ }
+ break;
+ default:
+ status = 0x0;
+ }
+
+ return status;
+}
diff --git a/digital/avr/modules/flash/flash.h b/digital/avr/modules/flash/flash.h
index 0468ebdc..47cc882e 100644
--- a/digital/avr/modules/flash/flash.h
+++ b/digital/avr/modules/flash/flash.h
@@ -53,6 +53,13 @@
#define FLASH_TBP_US 10
+enum
+{
+ FLASH_CMD_INIT,
+ FLASH_CMD_READ,
+ FLASH_CMD_NB
+};
+
/** Flash access.
* The flash contains an address of 21 bits in a range from 0x0-0x1fffff.
* This function shall access the memory directly by the SPI.
@@ -141,4 +148,12 @@ flash_read_array (uint32_t addr, uint8_t *buffer, uint32_t length);
void
flash_write_array (uint32_t addr, uint8_t *data, uint32_t length);
+/** Process the logs
+ * \param size the number of arguments.
+ * \param an array of arguments.
+ * \return true on success.
+ */
+uint8_t
+flash_log (uint8_t size, uint8_t *args);
+
#endif /* flash_h */
diff --git a/digital/avr/modules/flash/test/flash-dump.c b/digital/avr/modules/flash/test/flash-dump.c
new file mode 100644
index 00000000..c2bc6106
--- /dev/null
+++ b/digital/avr/modules/flash/test/flash-dump.c
@@ -0,0 +1,69 @@
+/* flash-dump.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 "common.h"
+#include "io.h"
+#include "modules/flash/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 status;
+#define c(cmd, size) (cmd << 8 | size)
+ switch (c (cmd, size))
+ {
+ case c ('z', 0):
+ /* Reset */
+ utils_reset ();
+ break;
+ default:
+ if (cmd == 'l')
+ status = flash_log (size, args);
+ if (!status)
+ /* Error */
+ proto_send0('?');
+ else
+ /* Error */
+ proto_send0 ('?');
+ return;
+ }
+ /* Acknowledge what has been done */
+ proto_send (cmd, size, args);
+}
+
+int
+main (void)
+{
+ uart0_init ();
+
+ while (1)
+ proto_accept (uart0_getc ());
+}
+