ST / USBHOST

USBHOST lib for STM

Dependents:   door-access-controller-dev

Files at this revision

API Documentation at this revision

Revision 6:d3ac9e1c0035, committed 2017-04-26

Comitter:
jamike
Date:
Wed Apr 26 20:08:31 2017 +0000
Parent:
5:fc157e6bd5a5
Commit message:
fix error in read and write

Changed in this revision

USBHostMSD/USBHostMSD.cpp Show annotated file Show diff for this revision Revisions of this file 
--- a/USBHostMSD/USBHostMSD.cpp	Wed Apr 26 18:11:37 2017 +0200
+++ b/USBHostMSD/USBHostMSD.cpp	Wed Apr 26 20:08:31 2017 +0000
@@ -341,6 +341,7 @@
 int USBHostMSD::program(const void *buffer, bd_addr_t addr, bd_size_t size)
 {
     uint32_t block_number, count;
+    uint8_t *buf = (uint8_t *)buffer;
     if (!disk_init) {
         init();
     }
@@ -350,9 +351,9 @@
     count = size /blockSize;
 
     for (uint32_t b = block_number; b < block_number + count; b++) {
-        if (dataTransfer((uint8_t*)buffer, b, 1, HOST_TO_DEVICE))
+        if (dataTransfer(buf, b, 1, HOST_TO_DEVICE))
             return -1;
-        buffer += 512;
+        buf += blockSize;
     }
     return 0;
 }
@@ -360,6 +361,7 @@
 int USBHostMSD::read(void *buffer, bd_addr_t addr, bd_size_t size)
 {
     uint32_t block_number, count;
+    uint8_t *buf = (uint8_t *)buffer;
     if (!disk_init) {
         init();
     }
@@ -369,9 +371,9 @@
     count = size /blockSize;
 
     for (uint32_t b = block_number; b < block_number + count; b++) {
-        if (dataTransfer((uint8_t*)buffer, b, 1, DEVICE_TO_HOST))
+        if (dataTransfer((uint8_t*)buf, b, 1, DEVICE_TO_HOST))
             return -1;
-        buffer += 512;
+        buf += blockSize;
     }
     return 0;
 }