| cyg_mbop_rw_multiple_regs | ||
|---|---|---|
 | 111.5. Backend Interface |  |
Name
cyg_mbop_rw_multiple_regs — Read and/or write multiple holding registers
Synopsis
#include <cyg/modbus.h>
void cyg_mbop_rw_multiple_regs(cyg_handle_t ctx, void *private, cyg_uint16 raddr, cyg_uint8 rnum, cyg_uint16 waddr, cyg_uint8 wnum, cyg_uint16 *outputs);
Description
Holding registers are read/write 16-bit registers.
![[Note]](pix/note.png) | Note |
|---|---|
The MODBUS standard dictates that the write is performed BEFORE the read. |
| |  | |
| cyg_mbop_write_multiple_regs |  | cyg_mbop_mask_reg |
| 2025-10-02 | eCosPro Non-Commercial Public License |