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Clean up warnings by removing unused vars #3

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Clean up warnings by removing unused vars #3

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7 changes: 3 additions & 4 deletions src/ModbusRtu.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -908,7 +908,7 @@ void Modbus::buildException( uint8_t u8exception ) {
* TODO: finish its implementation
*/
void Modbus::get_FC1() {
uint8_t u8byte, i;
uint8_t u8byte;
u8byte = 3;

#ifdef LOGGING
Expand Down Expand Up @@ -1017,8 +1017,8 @@ int8_t Modbus::process_FC3( uint16_t *regs, uint16_t u16size ) {

uint16_t u16StartAdd = word( au8Buffer[ ADD_HI ], au8Buffer[ ADD_LO ] );
uint16_t u16regsno = word( au8Buffer[ NB_HI ], au8Buffer[ NB_LO ] );
uint8_t u8CopyBufferSize;
uint16_t i;
uint8_t u8CopyBufferSize = 0;
uint16_t i = 0;

Serial.printlnf(" %u %u %u %u", u16StartAdd, u16regsno, u8CopyBufferSize, i);

Expand Down Expand Up @@ -1156,7 +1156,6 @@ int8_t Modbus::process_FC15( uint16_t *regs, uint16_t u16size ) {
* @ingroup register
*/
int8_t Modbus::process_FC16( uint16_t *regs, uint16_t u16size ) {
uint8_t u8func = au8Buffer[ FUNC ]; // get the original FUNC code
uint16_t u16StartAdd = au8Buffer[ ADD_HI ] << 8 | au8Buffer[ ADD_LO ];
uint8_t u8regsno = au8Buffer[ NB_HI ] << 8 | au8Buffer[ NB_LO ];
uint8_t u8CopyBufferSize;
Expand Down