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Commit 39aa684

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Fixing bug leading to incorrect length stored when frame lenght exceeds max data lenght.
1 parent bba303d commit 39aa684

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2 files changed

+4
-4
lines changed

2 files changed

+4
-4
lines changed

‎api/CanMsg.cpp‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -22,7 +22,7 @@ namespace arduino
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* STATIC CONST DEFINITION
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**************************************************************************************/
2424

25-
size_t const CanMsg::MAX_DATA_LENGTH;
25+
uint8_t const CanMsg::MAX_DATA_LENGTH;
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uint32_t const CanMsg::CAN_EFF_FLAG;
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uint32_t const CanMsg::CAN_SFF_MASK;
2828
uint32_t const CanMsg::CAN_EFF_MASK;

‎api/CanMsg.h‎

Lines changed: 3 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -33,7 +33,7 @@ namespace arduino
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class CanMsg : public Printable
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{
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public:
36-
static size_t constexpr MAX_DATA_LENGTH = 8;
36+
static uint8_t constexpr MAX_DATA_LENGTH = 8;
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static uint32_t constexpr CAN_EFF_FLAG = 0x80000000U;
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static uint32_t constexpr CAN_SFF_MASK = 0x000007FFU; /* standard frame format (SFF) */
@@ -42,10 +42,10 @@ class CanMsg : public Printable
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CanMsg(uint32_t const can_id, uint8_t const can_data_len, uint8_t const * can_data_ptr)
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: id{can_id}
45-
, data_length{can_data_len}
45+
, data_length{min(can_data_len, MAX_DATA_LENGTH)}
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, data{0}
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{
48-
memcpy(data, can_data_ptr, min(can_data_len, MAX_DATA_LENGTH));
48+
memcpy(data, can_data_ptr, data_length);
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}
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CanMsg() : CanMsg(0, 0, nullptr) { }

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