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Merge pull request #7793 from deepikabhavnani/crc_template_fix 

Template specialization didnt work after addition of default constructor
pull/7890/head
Cruz Monrreal 2018-08-21 09:50:00 -05:00 committed by GitHub
parent fa4b2f088a 7885edb671
commit 0d0402dcec
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 23 additions and 43 deletions
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40
drivers/MbedCRC.cpp
View File

@ -24,46 +24,6 @@ namespace mbed {
/* Default values for different types of polynomials
*/
template<>
MbedCRC<POLY_32BIT_ANSI, 32>::MbedCRC(uint32_t initial_xor, uint32_t final_xor, bool reflect_data, bool reflect_remainder):
_initial_value(initial_xor), _final_xor(final_xor), _reflect_data(reflect_data), _reflect_remainder(reflect_remainder),
_crc_table((uint32_t *)Table_CRC_32bit_ANSI)
{
mbed_crc_ctor();
}
template<>
MbedCRC<POLY_8BIT_CCITT, 8>::MbedCRC(uint32_t initial_xor, uint32_t final_xor, bool reflect_data, bool reflect_remainder):
_initial_value(initial_xor), _final_xor(final_xor), _reflect_data(reflect_data), _reflect_remainder(reflect_remainder),
_crc_table((uint32_t *)Table_CRC_8bit_CCITT)
{
mbed_crc_ctor();
}
template<>
MbedCRC<POLY_7BIT_SD, 7>::MbedCRC(uint32_t initial_xor, uint32_t final_xor, bool reflect_data, bool reflect_remainder):
_initial_value(initial_xor), _final_xor(final_xor), _reflect_data(reflect_data), _reflect_remainder(reflect_remainder),
_crc_table((uint32_t *)Table_CRC_7Bit_SD)
{
mbed_crc_ctor();
}
template<>
MbedCRC<POLY_16BIT_CCITT, 16>::MbedCRC(uint32_t initial_xor, uint32_t final_xor, bool reflect_data, bool reflect_remainder):
_initial_value(initial_xor), _final_xor(final_xor), _reflect_data(reflect_data), _reflect_remainder(reflect_remainder),
_crc_table((uint32_t *)Table_CRC_16bit_CCITT)
{
mbed_crc_ctor();
}
template<>
MbedCRC<POLY_16BIT_IBM, 16>::MbedCRC(uint32_t initial_xor, uint32_t final_xor, bool reflect_data, bool reflect_remainder):
_initial_value(initial_xor), _final_xor(final_xor), _reflect_data(reflect_data), _reflect_remainder(reflect_remainder),
_crc_table((uint32_t *)Table_CRC_16bit_IBM)
{
mbed_crc_ctor();
}
template<>
MbedCRC<POLY_32BIT_ANSI, 32>::MbedCRC():
_initial_value(~(0x0)), _final_xor(~(0x0)), _reflect_data(true), _reflect_remainder(true),

26
drivers/MbedCRC.h
View File

@ -124,7 +124,7 @@ public:
*/
MbedCRC(uint32_t initial_xor, uint32_t final_xor, bool reflect_data, bool reflect_remainder) :
_initial_value(initial_xor), _final_xor(final_xor), _reflect_data(reflect_data),
_reflect_remainder(reflect_remainder), _crc_table(NULL)
_reflect_remainder(reflect_remainder)
{
mbed_crc_ctor();
}
@ -445,8 +445,6 @@ private:
{
MBED_STATIC_ASSERT(width <= 32, "Max 32-bit CRC supported");
_mode = (_crc_table != NULL) ? TABLE : BITWISE;
#ifdef DEVICE_CRC
crc_mbed_config_t config;
config.polynomial = polynomial;
@ -458,8 +456,30 @@ private:
if (hal_crc_is_supported(&config)) {
_mode = HARDWARE;
return;
}
#endif
switch (polynomial) {
case POLY_32BIT_ANSI:
_crc_table = (uint32_t *)Table_CRC_32bit_ANSI;
break;
case POLY_8BIT_CCITT:
_crc_table = (uint32_t *)Table_CRC_8bit_CCITT;
break;
case POLY_7BIT_SD:
_crc_table = (uint32_t *)Table_CRC_7Bit_SD;
break;
case POLY_16BIT_CCITT:
_crc_table = (uint32_t *)Table_CRC_16bit_CCITT;
break;
case POLY_16BIT_IBM:
_crc_table = (uint32_t *)Table_CRC_16bit_IBM;
break;
default:
_crc_table = NULL;
break;
}
_mode = (_crc_table != NULL) ? TABLE : BITWISE;
}
};