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-rw-r--r--projects/cli-test/mgmt-fpga.c11
-rw-r--r--projects/hsm/mgmt-fpga.c9
2 files changed, 15 insertions, 5 deletions
diff --git a/projects/cli-test/mgmt-fpga.c b/projects/cli-test/mgmt-fpga.c
index a307436..b913316 100644
--- a/projects/cli-test/mgmt-fpga.c
+++ b/projects/cli-test/mgmt-fpga.c
@@ -3,7 +3,7 @@
* -----------
* CLI code to manage the FPGA configuration etc.
*
- * Copyright (c) 2016, NORDUnet A/S All rights reserved.
+ * Copyright (c) 2016-2017, NORDUnet A/S All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
@@ -56,8 +56,13 @@ static HAL_StatusTypeDef _flash_write_callback(uint8_t *buf, size_t len)
if ((res = fpgacfg_erase_sector(dfu_offset / FPGACFG_SECTOR_SIZE)) != HAL_OK)
return res;
- res = fpgacfg_write_data(dfu_offset, buf, len);
- dfu_offset += len;
+ /* fpgacfg_write_data (a thin wrapper around n25q128_write_data)
+ * requires the offset and length to be page-aligned. The last chunk
+ * will be short, so we pad it out to the full chunk size.
+ */
+ len = len;
+ res = fpgacfg_write_data(dfu_offset, buf, BITSTREAM_UPLOAD_CHUNK_SIZE);
+ dfu_offset += BITSTREAM_UPLOAD_CHUNK_SIZE;
return res;
}
diff --git a/projects/hsm/mgmt-fpga.c b/projects/hsm/mgmt-fpga.c
index b535b1d..af7ba11 100644
--- a/projects/hsm/mgmt-fpga.c
+++ b/projects/hsm/mgmt-fpga.c
@@ -64,8 +64,13 @@ static HAL_StatusTypeDef _flash_write_callback(uint8_t *buf, size_t len)
if ((res = fpgacfg_erase_sector(dfu_offset / FPGACFG_SECTOR_SIZE)) != CMSIS_HAL_OK)
return res;
- res = fpgacfg_write_data(dfu_offset, buf, len);
- dfu_offset += len;
+ /* fpgacfg_write_data (a thin wrapper around n25q128_write_data)
+ * requires the offset and length to be page-aligned. The last chunk
+ * will be short, so we pad it out to the full chunk size.
+ */
+ len = len;
+ res = fpgacfg_write_data(dfu_offset, buf, BITSTREAM_UPLOAD_CHUNK_SIZE);
+ dfu_offset += BITSTREAM_UPLOAD_CHUNK_SIZE;
return res;
}