build: Portability fixes.

[libsigrok.git] / hardware / zeroplus-logic-cube / gl_usb.c

diff --git a/hardware/zeroplus-logic-cube/gl_usb.c b/hardware/zeroplus-logic-cube/gl_usb.c
index 944882a6262b389ceaafe6366a1853177868795c..20993286d275ffde471cebbe9809b4ef850c76f7 100644 (file)
--- a/hardware/zeroplus-logic-cube/gl_usb.c
+++ b/hardware/zeroplus-logic-cube/gl_usb.c
@@ -1,5 +1,5 @@
 /*
- * This file is part of the sigrok project.
+ * This file is part of the libsigrok project.
  *
  * Copyright (C) 2010 Sven Peter <sven@fail0verflow.com>
  * Copyright (C) 2010 Haxx Enterprises <bushing@gmail.com>
@@ -132,3 +132,21 @@ SR_PRIV int gl_reg_read(libusb_device_handle *devh, unsigned int reg)
        ret = gl_read_data(devh);
        return ret;
 }
+
+SR_PRIV int gl_reg_read_buf(libusb_device_handle *devh, unsigned int reg,
+               unsigned char *buf, unsigned int len)
+{
+       int ret;
+       unsigned int i;
+
+       ret = gl_write_address(devh, reg);
+       if (ret < 0)
+               return ret;
+       for (i = 0; i < len; i++) {
+               ret = gl_read_data(devh);
+               if (ret < 0)
+                       return ret;
+               buf[i] = ret;
+       }
+       return 0;
+}