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btstack_event_generator: provide getter for uint16_t arrays

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This commit is contained in:
Matthias Ringwald 2021-11-03 11:17:34 +01:00
parent 23d9c72139
commit 396f0845e5
1 changed files with 24 additions and 6 deletions
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30
tool/btstack_event_generator.py
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@ -139,6 +139,18 @@ static inline {result_type} {fn_name}(const uint8_t * event){{
}}
'''
c_prototoype_array_getter = '''/**
* @brief {description}
* @param event packet
* @param index
* @return {result_name}
* @note: btstack_type {format}
*/
static inline {result_type} {fn_name}(const uint8_t * event, uint8_t index){{
{code}
}}
'''
c_prototoype_struct_return = '''/**
* @brief {description}
* @param event packet
@ -172,8 +184,6 @@ static inline uint8_t hci_event_{meta_event}_meta_get_subevent_code(const uint8_
'''
# global variables/defines
# gen_path = '../src/btstack_event.h'
defines = dict()
defines_used = set()
@ -197,6 +207,7 @@ param_read = {
'Y' : 'gatt_client_deserialize_characteristic(event, {offset}, {result_name});',
'Z' : 'gatt_client_deserialize_characteristic_descriptor(event, {offset}, {result_name});',
'V' : 'return &event[{offset}];',
'C' : 'return little_endian_read_16(event, {offset} + (2 * index));'
}
def c_type_for_btstack_type(type):
@ -206,12 +217,12 @@ def c_type_for_btstack_type(type):
'J' : 'uint8_t', 'L' : 'uint16_t', 'V' : 'const uint8_t *', 'U' : 'BT_UUID',
'Q' : 'uint8_t *', 'K' : 'uint8_t *',
'X' : 'gatt_client_service_t *', 'Y' : 'gatt_client_characteristic_t *', 'Z' : 'gatt_client_characteristic_descriptor_t *',
'T' : 'const char *'}
'T' : 'const char *', 'C' : 'uint16_t' }
return param_types[type]
def size_for_type(type):
param_sizes = { '1' : 1, '2' : 2, '3' : 3, '4' : 4, 'H' : 2, 'B' : 6, 'D' : 8, 'E' : 240, 'N' : 248, 'P' : 16, 'Q':32, 'K':16,
'A' : 31, 'S' : -1, 'V': -1, 'J' : 1, 'L' : 2, 'U' : 16, 'X' : 20, 'Y' : 24, 'Z' : 18, 'T':-1}
'A' : 31, 'S' : -1, 'V': -1, 'J' : 1, 'L' : 2, 'U' : 16, 'X' : 20, 'Y' : 24, 'Z' : 18, 'T':-1, 'C':-1 }
return param_sizes[type]
def format_function_name(event_name):
@ -223,6 +234,9 @@ def format_function_name(event_name):
def template_for_type(field_type):
global c_prototoype_simple_return
global c_prototoype_struct_return
global c_prototoype_array_getter
if field_type == 'C':
return c_prototoype_array_getter
types_with_struct_return = "BKQXYZ"
if field_type in types_with_struct_return:
return c_prototoype_struct_return
@ -240,7 +254,11 @@ def create_getter(event_name, field_name, field_type, offset, supported):
global c_prototoype_unsupported
global param_read
description = "Get field %s from event %s" % (field_name, event_name.upper())
if field_type == 'C':
description_template = 'Get element of array field %s from event %s'
else:
description_template = "Get field %s from event %s"
description = description_template % (field_name, event_name.upper())
result_name = field_name
fn_name = "%s_get_%s" % (event_name, field_name)
result_type = c_type_for_btstack_type(field_type)
@ -294,7 +312,7 @@ def create_events(events):
offset += 1
continue
if offset_unknown:
print("Param after variable length field without preceding 'J' lenght field")
print("Param after variable length field without preceding 'J' length field")
break
field_type = f
text = create_getter(base_name, field_name, field_type, offset, supported)