BladeRF library compiles

1 files changed, 134 insertions, 0 deletions

diff --git a/Radio/HW/BladeRF/src/driver/spi_flash.c b/Radio/HW/BladeRF/src/driver/spi_flash.c
new file mode 100644
index 0000000..f0e1a1d
--- /dev/null
+++ b/Radio/HW/BladeRF/src/driver/spi_flash.c
@@ -0,0 +1,134 @@
+/*
+ * This file is part of the bladeRF project:
+ *   http://www.github.com/nuand/bladeRF
+ *
+ * Copyright (C) 2013 Daniel Gröber <dxld AT darkboxed DOT org>
+ * Copyright (C) 2013 Nuand LLC
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <stdint.h>
+#include <string.h>
+#include <stdio.h>
+
+#include <libbladeRF.h>
+
+#include "rel_assert.h"
+#include "log.h"
+
+#include "spi_flash.h"
+#include "board/board.h"
+
+static inline int check_eb_access(struct bladerf *dev,
+                                  uint32_t erase_block, uint32_t count)
+{
+    if (erase_block >= dev->flash_arch->num_ebs) {
+        log_debug("Invalid erase block: %u\n", erase_block);
+        return BLADERF_ERR_INVAL;
+    } else if (count > dev->flash_arch->num_ebs) {
+        log_debug("Invalid number of erase blocks: %u\n", count);
+        return BLADERF_ERR_INVAL;
+    } else if ((erase_block + count) > dev->flash_arch->num_ebs) {
+        log_debug("Requested operation extends past end of flash: "
+                  "eb=%u, count=%u\n", erase_block, count);
+        return BLADERF_ERR_INVAL;
+    } else {
+        return 0;
+    }
+}
+
+static inline int check_page_access(struct bladerf *dev,
+                                    uint32_t page, uint32_t count)
+{
+    if (page >= dev->flash_arch->num_pages) {
+        log_debug("Invalid page: %u\n", page);
+        return BLADERF_ERR_INVAL;
+    } else if (count > dev->flash_arch->num_pages) {
+        log_debug("Invalid number of pages: %u\n", count);
+        return BLADERF_ERR_INVAL;
+    } else if ((page + count) > dev->flash_arch->num_pages) {
+        log_debug("Requested operation extends past end of flash: "
+                  "page=%u, count=%u\n", page, count);
+        return BLADERF_ERR_INVAL;
+    } else {
+        return 0;
+    }
+}
+
+int spi_flash_erase(struct bladerf *dev, uint32_t erase_block, uint32_t count)
+{
+    int status = check_eb_access(dev, erase_block, count);
+
+    if (status == 0) {
+        status = dev->backend->erase_flash_blocks(dev, erase_block, count);
+    }
+
+    return status;
+}
+
+int spi_flash_read(struct bladerf *dev, uint8_t *buf,
+                   uint32_t page, uint32_t count)
+{
+    int status = check_page_access(dev, page, count);
+
+    if (status == 0) {
+        status = dev->backend->read_flash_pages(dev, buf, page, count);
+    }
+
+    return status;;
+}
+
+int spi_flash_write(struct bladerf *dev, const uint8_t *buf,
+                    uint32_t page, uint32_t count)
+{
+    int status = check_page_access(dev, page, count);
+
+    if (status == 0) {
+        status = dev->backend->write_flash_pages(dev, buf, page, count);
+    }
+
+    return status;
+}
+
+int spi_flash_verify(struct bladerf *dev, uint8_t *readback_buf,
+                     const uint8_t *expected_buf, uint32_t page,
+                     uint32_t count)
+{
+    int status = 0;
+    size_t i;
+    const size_t len = count * dev->flash_arch->psize_bytes;
+
+    log_info("Verifying %u pages, starting at page %u\n", count, page);
+    status = spi_flash_read(dev, readback_buf, page, count);
+
+    if (status < 0) {
+        log_debug("Failed to read from flash: %s\n", bladerf_strerror(status));
+        return status;
+    }
+
+    for (i = 0; i < len; i++) {
+        if (expected_buf[i] != readback_buf[i]) {
+            status = BLADERF_ERR_UNEXPECTED;
+            log_info("Flash verification failed at byte %llu. "
+                     "Read %02x, expected %02x\n",
+                     i, readback_buf[i], expected_buf[i]);
+            break;
+        }
+    }
+
+    return status;
+}
+