MODBUS_API void modbus_set_bits_from_byte(uint8_t *dest, int idx, const uint8_t value); MODBUS_API void modbus_set_bits_from_bytes(uint8_t *dest, int idx, unsigned int nb_bits, const uint8_t *tab_byte); MODBUS_API uint8_t modbus_get_byte_from_bits(const uint8_t *src, int...
从单个字节值设置多个位void modbus_set_bits_from_byte(uint8_t *dest, int index, const uint8_t value); 从字节数组设置多个位void modbus_set_bits_from_bytes(uint8_t *dest, int index, unsigned int nb_bits, const uint8_t *tab_byte); 从多个位获取数值uint8_t modbus_get_byte_from_bits(...
MODBUS_SET_INT64_TO_INT16(tab_int16, index, value) // set an int64 value into the four first int16 starting at tab_int16[index] 9)处理bits和bytes modbus_set_bits_from_byte(); modbus_set_bits_from_bytes(); modbus_get_byte_from_bits(); 10)设置或获取浮点数 modbus_get_float_abcd(...
/* Examples from PI_MODBUS_300.pdf. Only the read-only input values are assigned. */ /* Initialize input values that's can be only done server side. */ modbus_set_bits_from_bytes( mb_mapping- >tab_input_bits, 0, UT_INPUT_BITS_NB, UT_INPUT_BITS_TAB); /* Initialize values of I...
tab_rp_bits[0], ON); /* End single */ /* Multiple bits */ { uint8_t tab_value[UT_BITS_NB]; modbus_set_bits_from_bytes(tab_value, 0, UT_BITS_NB, UT_BITS_TAB); rc = modbus_write_bits(ctx, UT_BITS_ADDRESS, UT_BITS_NB, tab_value); printf("1/2 modbus_write_bits: ")...
MODBUS_SET_INT64_TO_INT16(tab_int16, index, value) // set an int64 value into the four first int16 starting at tab_int16[index] 9)处理bits和bytes modbus_set_bits_from_byte(); modbus_set_bits_from_bytes(); modbus_get_byte_from_bits(); ...
MAX)buff->get_index = 0;}}portENABLE_INTERRUPTS();}/*get bytes from buff*/int Get_from_...
{rt_sem_control(_rx_sem, RT_IPC_CMD_RESET, RT_NULL);int rc = rt_device_read(&serial->parent, 0, buf + len, bufsz);if (rc > 0){timeout = bytes_timeout;len += rc;bufsz -= rc;if (bufsz == 0)break;continue;}if (rt_sem_take(_rx_sem, rt_tick_from_millisecond(timeout)...
[-Wattributes] CCLD libmodbus.la .libs/modbus.o: In function `modbus_reply': src/modbus.c:853: undefined reference to `_imp__modbus_set_bits_from_bytes' .libs/modbus-rtu.o: In function `modbus_new_rtu': src/modbus-rtu.c:1161: undefined reference to `_imp__modbus_free' .libs/...
[5]; bytes = regs * 2; if( bytes == 0 ) { return( ERR ); } if( bytes > sizeof(pLayer2->buffer) - 7 ) { return( ERR ); } GetDataFromReg( &pLayer2->buffer[3], regAddr, regs ); pLayer2->buffer[2] = bytes; CRC16Value = CRC16( pLayer2->buffer, 3+bytes ); pLayer...