made meth_generic_api_read_data optional and better default

Author: drebbe-intrepid

include/methods.h

@@ -1650,7 +1650,7 @@ PyObject* meth_generic_api_get_status(PyObject* self, PyObject* args);
 
 // if (!PyArg_ParseTuple(args, arg_parse("ObbI:", __FUNCTION__), &obj, &apiIndex, &instanceIndex, &length)) {
 #define _DOC_GENERIC_API_READ_DATA \
-    MODULE_NAME ".generic_api_send_command(device, api_index, instance_index, length)\n" \
+    MODULE_NAME ".generic_api_read_data(device, api_index, instance_index, [length])\n" \
     "\n" \
     "Reads data in a generic way.\n" \
     "\n" \
@@ -1659,7 +1659,7 @@ PyObject* meth_generic_api_get_status(PyObject* self, PyObject* args);
     "\tapi_index (:class:`int`): api_index.\n\n" \
     "\tinstance_index (:class:`int`): instance_index.\n\n" \
     "\tfunction_index (:class:`int`): function_index.\n\n" \
-    "\tlength (:class:`int`): Length of the data to read.\n\n" \
+    "\tlength (:class:`int`): (optional) Length of the data to read. defaults to `GENERIC_API_DATA_BUFFER_SIZE`\n\n" \
     "\n" \
     "Raises:\n" \
     "\t:class:`" MODULE_NAME ".RuntimeError`\n" \

setup.py

@@ -10,7 +10,7 @@
 
 MAJOR_VERSION = 910
 MINOR_VERSION = 10
-POST_VERSION = 5
+POST_VERSION = 6
 
 if POST_VERSION:
     VERSION_STRING = '%d.%d-%d' % (MAJOR_VERSION, MINOR_VERSION, POST_VERSION)

src/methods.cpp

@@ -3964,8 +3964,8 @@ PyObject* meth_generic_api_read_data(PyObject* self, PyObject* args)
     PyObject* obj = NULL;
     unsigned char apiIndex = 0;
     unsigned char instanceIndex = 0;
-    unsigned int length = 0;
-    if (!PyArg_ParseTuple(args, arg_parse("ObbI:", __FUNCTION__), &obj, &apiIndex, &instanceIndex, &length)) {
+    unsigned int length = GENERIC_API_DATA_BUFFER_SIZE;
+    if (!PyArg_ParseTuple(args, arg_parse("Obb|I:", __FUNCTION__), &obj, &apiIndex, &instanceIndex, &length)) {
         return NULL;
     }
     // Get the device handle