first cut at turnon scripts for EasyTimer v2
[fw/altos] / src / kernel / ao_storage.c
index 890bdcae9af991b457d018b69b179d5d72828de4..a2c3738de6094d58d7fa2d31bd65f080da312214 100644 (file)
 #include <ao.h>
 #include <ao_storage.h>
 
+#define AO_STORAGE_DATA_SIZE   128
+
+static uint8_t storage_data[AO_STORAGE_DATA_SIZE];
+static uint8_t storage_mutex;
+
 uint8_t
-ao_storage_read(ao_pos_t pos, void *buf, uint16_t len) 
+ao_storage_read(ao_pos_t pos, void *v_buf, uint16_t len)
 {
-#ifdef CC1111
-       return ao_storage_device_read(pos, buf, len);
-#else
+       uint8_t *buf = v_buf;
        uint16_t this_len;
        uint16_t this_off;
 
@@ -36,7 +39,7 @@ ao_storage_read(ao_pos_t pos, void *buf, uint16_t len)
                /* Compute portion of transfer within
                 * a single block
                 */
-               this_off = (uint16_t) pos & (ao_storage_unit - 1);
+               this_off = (uint16_t) (pos & (ao_storage_unit - 1));
                this_len = ao_storage_unit - this_off;
                if (this_len > len)
                        this_len = len;
@@ -50,15 +53,12 @@ ao_storage_read(ao_pos_t pos, void *buf, uint16_t len)
                pos += this_len;
        }
        return 1;
-#endif
 }
 
 uint8_t
-ao_storage_write(ao_pos_t pos, void *buf, uint16_t len) 
+ao_storage_write(ao_pos_t pos, void *v_buf, uint16_t len) 
 {
-#ifdef CC1111
-       return ao_storage_device_write(pos, buf, len);
-#else
+       uint8_t *buf = v_buf;
        uint16_t this_len;
        uint16_t this_off;
 
@@ -70,7 +70,7 @@ ao_storage_write(ao_pos_t pos, void *buf, uint16_t len)
                /* Compute portion of transfer within
                 * a single block
                 */
-               this_off = (uint16_t) pos & (ao_storage_unit - 1);
+               this_off = (uint16_t) (pos & (ao_storage_unit - 1));
                this_len = ao_storage_unit - this_off;
                if (this_len > len)
                        this_len = len;
@@ -84,34 +84,99 @@ ao_storage_write(ao_pos_t pos, void *buf, uint16_t len)
                pos += this_len;
        }
        return 1;
-#endif
 }
 
-static uint8_t storage_data[128];
+uint8_t
+ao_storage_is_erased(uint32_t pos)
+{
+       uint32_t        read_pos;
+       uint32_t        read_len;
+       uint32_t        i;
+       uint8_t         ret = 1;
+
+       ao_storage_setup();
+       ao_mutex_get(&storage_mutex);
+       read_pos = pos;
+       read_len = ao_storage_block;
+       while (read_len) {
+               uint32_t this_time = AO_STORAGE_DATA_SIZE;
+               if (this_time > read_len)
+                       this_time = read_len;
+               if (!ao_storage_read(read_pos, storage_data, (uint16_t) this_time)) {
+                       ret = 0;
+                       goto done;
+               }
+               for (i = 0; i < this_time; i++)
+                       if (storage_data[i] != AO_STORAGE_ERASED_BYTE) {
+                               ret = 0;
+                               goto done;
+                       }
+               read_pos += this_time;
+               read_len -= this_time;
+       }
+done:
+       ao_mutex_put(&storage_mutex);
+       return ret;
+}
+
+uint8_t
+ao_storage_erase(uint32_t start_pos, uint32_t len)
+{
+       /* Round 'len' up to ao_storage_block units */
+       len = ((len + ao_storage_block - 1) / ao_storage_block) * ao_storage_block;
+
+       /*
+        * Start at the end of the area to erase so that the
+        * last block cleared is the first block; this will ensure
+        * that partially erased flight logs still appear in the list
+        * and can be re-erased.
+        */
+       uint32_t pos = start_pos + len - ao_storage_block;
+       while (len) {
+               int tries;
+
+#define MAX_TRIES      4       /* needs to be at least 2 */
+               for (tries = 0; tries < MAX_TRIES; tries++) {
+                       if (ao_storage_is_erased(pos))
+                               break;
+                       if (!ao_storage_device_erase(pos))
+                               return 0;
+               }
+               if (tries == MAX_TRIES)
+                       return 0;
+               pos -= ao_storage_block;
+               len -= ao_storage_block;
+       }
+       return 1;
+}
 
 static void
 ao_storage_dump(void) 
 {
        uint32_t block;
-       uint8_t i, j;
+       uint8_t i, j, k;
 
        block = ao_cmd_hex();
        if (ao_cmd_status != ao_cmd_success)
                return;
-       for (i = 0; ; i += 8) {
+       ao_mutex_get(&storage_mutex);
+       for (i = 0; ; i += AO_STORAGE_DATA_SIZE) {
                if (ao_storage_read((block << 8) + i,
                                    storage_data,
-                                   8)) {
-                       ao_cmd_put16((uint16_t) i);
-                       for (j = 0; j < 8; j++) {
-                               putchar(' ');
-                               ao_cmd_put8(storage_data[j]);
+                                   AO_STORAGE_DATA_SIZE)) {
+                       for (k = 0; k < AO_STORAGE_DATA_SIZE; k += 8) {
+                               ao_cmd_put16((uint16_t) i + k);
+                               for (j = 0; j < 8; j++) {
+                                       putchar(' ');
+                                       ao_cmd_put8(storage_data[k + j]);
+                               }
+                               putchar ('\n');
                        }
-                       putchar ('\n');
                }
-               if (i == 248)
+               if (i == 256 - AO_STORAGE_DATA_SIZE)
                        break;
        }
+       ao_mutex_put(&storage_mutex);
 }
 
 #if HAS_STORAGE_DEBUG
@@ -143,29 +208,29 @@ ao_storage_store(void)
 }
 #endif
 
-void
+static void
 ao_storage_zap(void) 
 {
        uint32_t v = ao_cmd_hex();
        if (ao_cmd_status != ao_cmd_success)
                return;
-       ao_storage_erase((uint32_t) v << 8);
+       ao_storage_erase((uint32_t) v << 8, ao_storage_block);
 }
 
-void
+static void
 ao_storage_zapall(void) 
 {
-       uint32_t        pos;
-
        ao_cmd_white();
        if (!ao_match_word("DoIt"))
                return;
-       for (pos = 0; pos < ao_storage_log_max; pos += ao_storage_block)
-               ao_storage_erase(pos);
+       ao_storage_erase(0, ao_storage_log_max);
 }
 
 #if AO_STORAGE_TEST
 
+#define AO_STORAGE_TEST_SIZE   256
+static uint8_t storage_test[AO_STORAGE_TEST_SIZE];
+
 static void
 ao_storage_failure(uint32_t pos, char *format, ...)
 {
@@ -182,16 +247,16 @@ ao_storage_check_block(uint32_t pos, uint8_t value)
        uint32_t        offset;
        uint32_t        byte;
 
-       for (offset = 0; offset < ao_storage_block; offset += sizeof (storage_data)) {
-               if (!ao_storage_read(pos + offset, storage_data, sizeof (storage_data))) {
+       for (offset = 0; offset < ao_storage_block; offset += sizeof (storage_test)) {
+               if (!ao_storage_read(pos + offset, storage_test, sizeof (storage_test))) {
                        ao_storage_failure(pos + offset, "read failed\n");
                        return 0;
                }
-               for (byte = 0; byte < sizeof (storage_data); byte++)
-                       if (storage_data[byte] != value) {
+               for (byte = 0; byte < sizeof (storage_test); byte++)
+                       if (storage_test[byte] != value) {
                                ao_storage_failure(pos + offset + byte,
                                                   "want %02x got %02x\n",
-                                                  value, storage_data[byte]);
+                                                  value, storage_test[byte]);
                                return 0;
                        }
        }
@@ -204,10 +269,10 @@ ao_storage_fill_block(uint32_t pos, uint8_t value)
        uint32_t        offset;
        uint32_t        byte;
 
-       for (byte = 0; byte < sizeof (storage_data); byte++)
-               storage_data[byte] = value;
-       for (offset = 0; offset < ao_storage_block; offset += sizeof (storage_data)) {
-               if (!ao_storage_write(pos + offset, storage_data, sizeof (storage_data))) {
+       for (byte = 0; byte < sizeof (storage_test); byte++)
+               storage_test[byte] = value;
+       for (offset = 0; offset < ao_storage_block; offset += sizeof (storage_test)) {
+               if (!ao_storage_write(pos + offset, storage_test, sizeof (storage_test))) {
                        ao_storage_failure(pos + offset, "write failed\n");
                        return 0;
                }
@@ -221,17 +286,17 @@ ao_storage_check_incr_block(uint32_t pos)
        uint32_t        offset;
        uint32_t        byte;
 
-       for (offset = 0; offset < ao_storage_block; offset += sizeof (storage_data)) {
-               if (!ao_storage_read(pos + offset, storage_data, sizeof (storage_data))) {
+       for (offset = 0; offset < ao_storage_block; offset += sizeof (storage_test)) {
+               if (!ao_storage_read(pos + offset, storage_test, sizeof (storage_test))) {
                        ao_storage_failure(pos + offset, "read failed\n");
                        return 0;
                }
-               for (byte = 0; byte < sizeof (storage_data); byte++) {
+               for (byte = 0; byte < sizeof (storage_test); byte++) {
                        uint8_t value = offset + byte;
-                       if (storage_data[byte] != value) {
+                       if (storage_test[byte] != value) {
                                ao_storage_failure(pos + offset + byte,
                                                   "want %02x got %02x\n",
-                                                  value, storage_data[byte]);
+                                                  value, storage_test[byte]);
                                return 0;
                        }
                }
@@ -245,10 +310,10 @@ ao_storage_fill_incr_block(uint32_t pos)
        uint32_t        offset;
        uint32_t        byte;
 
-       for (offset = 0; offset < ao_storage_block; offset += sizeof (storage_data)) {
-               for (byte = 0; byte < sizeof (storage_data); byte++)
-                       storage_data[byte] = offset + byte;
-               if (!ao_storage_write(pos + offset, storage_data, sizeof (storage_data))) {
+       for (offset = 0; offset < ao_storage_block; offset += sizeof (storage_test)) {
+               for (byte = 0; byte < sizeof (storage_test); byte++)
+                       storage_test[byte] = offset + byte;
+               if (!ao_storage_write(pos + offset, storage_test, sizeof (storage_test))) {
                        ao_storage_failure(pos + offset, "write failed\n");
                        return 0;
                }
@@ -271,26 +336,26 @@ ao_storage_incr_check_block(uint32_t pos)
 static uint8_t
 ao_storage_test_block(uint32_t pos) 
 {
-       ao_storage_erase(pos);
+       ao_storage_erase(pos, ao_storage_block);
        printf(" erase"); flush();
        if (!ao_storage_check_block(pos, 0xff))
                return 0;
        printf(" zero"); flush();
        if (!ao_storage_fill_check_block(pos, 0x00))
                return 0;
-       ao_storage_erase(pos);
+       ao_storage_erase(pos, ao_storage_block);
        printf(" 0xaa"); flush();
        if (!ao_storage_fill_check_block(pos, 0xaa))
                return 0;
-       ao_storage_erase(pos);
+       ao_storage_erase(pos, ao_storage_block);
        printf(" 0x55"); flush();
        if (!ao_storage_fill_check_block(pos, 0x55))
                return 0;
-       ao_storage_erase(pos);
+       ao_storage_erase(pos, ao_storage_block);
        printf(" increment"); flush();
        if (!ao_storage_incr_check_block(pos))
                return 0;
-       ao_storage_erase(pos);
+       ao_storage_erase(pos, ao_storage_block);
        printf(" pass\n"); flush();
        return 1;
 }
@@ -310,9 +375,30 @@ ao_storage_test(void)
        }
        printf("Test complete\n");
 }
+
+static void
+ao_storage_fill(void)
+{
+       uint32_t        pos;
+
+       ao_cmd_white();
+       if (!ao_match_word("DoIt"))
+               return;
+       printf("erase "); flush();
+       ao_storage_erase(0, ao_storage_log_max);
+       for (pos = 0; pos < sizeof (storage_test); pos++)
+               storage_test[pos] = (uint8_t) pos;
+       for (pos = 0; pos < ao_storage_log_max; pos += sizeof (storage_test)) {
+               if ((pos & 0xffff) == 0) {
+                       printf("Fill 0x%x\n", pos); flush();
+               }
+               ao_storage_write(pos, storage_test, sizeof (storage_test));
+       }
+       printf("Fill complete\n");
+}
 #endif /* AO_STORAGE_TEST */
 
-void
+static void
 ao_storage_info(void) 
 {
        ao_storage_setup();
@@ -331,6 +417,7 @@ const struct ao_cmds ao_storage_cmds[] = {
        { ao_storage_zapall,"Z <key>\0Erase all. <key> is doit with D&I" },
 #if AO_STORAGE_TEST
        { ao_storage_test, "V <key>\0Validate flash (destructive). <key> is doit with D&I" },
+       { ao_storage_fill, "F <key>\0Fill flash with data. <key> is doit with D&I" },
 #endif
        { 0, NULL },
 };