Refactoring of NMBS_*_DISABLED defines
This commit is contained in:
Valerio De Benedetto
parent
f70fbd5260
commit
8493fc5267
172
nanomodbus.c
172
nanomodbus.c
@ -85,6 +85,7 @@ static void msg_state_reset(nmbs_t* nmbs) {
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}
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#ifndef NMBS_CLIENT_DISABLED
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static void msg_state_req(nmbs_t* nmbs, uint8_t fc) {
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if (nmbs->current_tid == UINT16_MAX)
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nmbs->current_tid = 1;
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@ -98,6 +99,7 @@ static void msg_state_req(nmbs_t* nmbs, uint8_t fc) {
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if (nmbs->msg.unit_id == 0 && nmbs->platform.transport == NMBS_TRANSPORT_RTU)
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nmbs->msg.broadcast = true;
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}
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#endif
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int nmbs_create(nmbs_t* nmbs, const nmbs_platform_conf* platform_conf) {
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@ -124,31 +126,6 @@ int nmbs_create(nmbs_t* nmbs, const nmbs_platform_conf* platform_conf) {
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}
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#ifndef NMBS_CLIENT_DISABLED
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nmbs_error nmbs_client_create(nmbs_t* nmbs, const nmbs_platform_conf* platform_conf) {
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return nmbs_create(nmbs, platform_conf);
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}
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#endif
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#ifndef NMBS_SERVER_DISABLED
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nmbs_error nmbs_server_create(nmbs_t* nmbs, uint8_t address_rtu, const nmbs_platform_conf* platform_conf,
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const nmbs_callbacks* callbacks) {
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if (platform_conf->transport == NMBS_TRANSPORT_RTU && address_rtu == 0)
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return NMBS_ERROR_INVALID_ARGUMENT;
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nmbs_error ret = nmbs_create(nmbs, platform_conf);
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if (ret != NMBS_ERROR_NONE)
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return ret;
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nmbs->address_rtu = address_rtu;
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nmbs->callbacks = *callbacks;
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return NMBS_ERROR_NONE;
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}
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#endif
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void nmbs_set_read_timeout(nmbs_t* nmbs, int32_t timeout_ms) {
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nmbs->read_timeout_ms = timeout_ms;
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}
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@ -306,6 +283,37 @@ static nmbs_error recv_msg_header(nmbs_t* nmbs, bool* first_byte_received) {
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}
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static void put_msg_header(nmbs_t* nmbs, uint16_t data_length) {
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msg_buf_reset(nmbs);
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if (nmbs->platform.transport == NMBS_TRANSPORT_RTU) {
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put_1(nmbs, nmbs->msg.unit_id);
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}
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else if (nmbs->platform.transport == NMBS_TRANSPORT_TCP) {
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put_2(nmbs, nmbs->msg.transaction_id);
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put_2(nmbs, 0);
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put_2(nmbs, (uint16_t) (1 + 1 + data_length));
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put_1(nmbs, nmbs->msg.unit_id);
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}
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put_1(nmbs, nmbs->msg.fc);
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}
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static nmbs_error send_msg(nmbs_t* nmbs) {
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DEBUG("\n");
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if (nmbs->platform.transport == NMBS_TRANSPORT_RTU) {
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uint16_t crc = nmbs_crc_calc(nmbs->msg.buf, nmbs->msg.buf_idx);
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put_2(nmbs, crc);
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}
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nmbs_error err = send(nmbs, nmbs->msg.buf_idx);
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return err;
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}
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#ifndef NMBS_SERVER_DISABLED
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static nmbs_error recv_req_header(nmbs_t* nmbs, bool* first_byte_received) {
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nmbs_error err = recv_msg_header(nmbs, first_byte_received);
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@ -324,9 +332,27 @@ static nmbs_error recv_req_header(nmbs_t* nmbs, bool* first_byte_received) {
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return NMBS_ERROR_NONE;
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}
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static void put_res_header(nmbs_t* nmbs, uint16_t data_length) {
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put_msg_header(nmbs, data_length);
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DEBUG("NMBS res -> fc %d\t", nmbs->msg.fc);
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}
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static nmbs_error send_exception_msg(nmbs_t* nmbs, uint8_t exception) {
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nmbs->msg.fc += 0x80;
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put_msg_header(nmbs, 1);
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put_1(nmbs, exception);
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DEBUG("NMBS res -> exception %d\n", exception);
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return send_msg(nmbs);
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}
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#endif
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#ifndef NMBS_CLIENT_DISABLED
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static nmbs_error recv_res_header(nmbs_t* nmbs) {
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uint16_t req_transaction_id = nmbs->msg.transaction_id;
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uint8_t req_unit_id = nmbs->msg.unit_id;
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@ -372,38 +398,6 @@ static nmbs_error recv_res_header(nmbs_t* nmbs) {
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}
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static void put_msg_header(nmbs_t* nmbs, uint16_t data_length) {
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msg_buf_reset(nmbs);
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if (nmbs->platform.transport == NMBS_TRANSPORT_RTU) {
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put_1(nmbs, nmbs->msg.unit_id);
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}
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else if (nmbs->platform.transport == NMBS_TRANSPORT_TCP) {
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put_2(nmbs, nmbs->msg.transaction_id);
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put_2(nmbs, 0);
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put_2(nmbs, (uint16_t) (1 + 1 + data_length));
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put_1(nmbs, nmbs->msg.unit_id);
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}
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put_1(nmbs, nmbs->msg.fc);
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}
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static nmbs_error send_msg(nmbs_t* nmbs) {
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DEBUG("\n");
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if (nmbs->platform.transport == NMBS_TRANSPORT_RTU) {
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uint16_t crc = nmbs_crc_calc(nmbs->msg.buf, nmbs->msg.buf_idx);
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put_2(nmbs, crc);
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}
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nmbs_error err = send(nmbs, nmbs->msg.buf_idx);
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return err;
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}
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#ifndef NMBS_CLIENT_DISABLED
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static void put_req_header(nmbs_t* nmbs, uint16_t data_length) {
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put_msg_header(nmbs, data_length);
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DEBUG("NMBS req -> fc %d\t", nmbs->msg.fc);
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@ -412,26 +406,6 @@ static void put_req_header(nmbs_t* nmbs, uint16_t data_length) {
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#ifndef NMBS_SERVER_DISABLED
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static void put_res_header(nmbs_t* nmbs, uint16_t data_length) {
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put_msg_header(nmbs, data_length);
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DEBUG("NMBS res -> fc %d\t", nmbs->msg.fc);
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}
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#endif
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#ifndef NMBS_SERVER_DISABLED
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static nmbs_error send_exception_msg(nmbs_t* nmbs, uint8_t exception) {
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nmbs->msg.fc += 0x80;
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put_msg_header(nmbs, 1);
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put_1(nmbs, exception);
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DEBUG("NMBS res -> exception %d\n", exception);
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return send_msg(nmbs);
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}
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#endif
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#if !defined(NMBS_SERVER_READ_COILS_DISABLED) || !defined(NMBS_SERVER_READ_DISCRETE_INPUTS_DISABLED)
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static nmbs_error handle_read_discrete(nmbs_t* nmbs, nmbs_error (*callback)(uint16_t, uint16_t, nmbs_bitfield, void*)) {
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nmbs_error err = recv(nmbs, 4);
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@ -819,7 +793,6 @@ static nmbs_error handle_write_multiple_registers(nmbs_t* nmbs) {
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#endif
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#ifndef NMBS_SERVER_DISABLED
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static nmbs_error handle_req_fc(nmbs_t* nmbs) {
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DEBUG("fc %d\t", nmbs->msg.fc);
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@ -879,10 +852,24 @@ static nmbs_error handle_req_fc(nmbs_t* nmbs) {
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return err;
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}
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#endif
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#ifndef NMBS_SERVER_DISABLED
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nmbs_error nmbs_server_create(nmbs_t* nmbs, uint8_t address_rtu, const nmbs_platform_conf* platform_conf,
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const nmbs_callbacks* callbacks) {
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if (platform_conf->transport == NMBS_TRANSPORT_RTU && address_rtu == 0)
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return NMBS_ERROR_INVALID_ARGUMENT;
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nmbs_error ret = nmbs_create(nmbs, platform_conf);
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if (ret != NMBS_ERROR_NONE)
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return ret;
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nmbs->address_rtu = address_rtu;
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nmbs->callbacks = *callbacks;
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return NMBS_ERROR_NONE;
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}
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nmbs_error nmbs_server_poll(nmbs_t* nmbs) {
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msg_state_reset(nmbs);
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@ -917,6 +904,11 @@ nmbs_error nmbs_server_poll(nmbs_t* nmbs) {
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#ifndef NMBS_CLIENT_DISABLED
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nmbs_error nmbs_client_create(nmbs_t* nmbs, const nmbs_platform_conf* platform_conf) {
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return nmbs_create(nmbs, platform_conf);
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}
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static nmbs_error read_discrete(nmbs_t* nmbs, uint8_t fc, uint16_t address, uint16_t quantity, nmbs_bitfield values) {
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if (quantity < 1 || quantity > 2000)
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return NMBS_ERROR_INVALID_ARGUMENT;
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@ -963,24 +955,18 @@ static nmbs_error read_discrete(nmbs_t* nmbs, uint8_t fc, uint16_t address, uint
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return NMBS_ERROR_NONE;
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}
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#endif
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#ifndef NMBS_CLIENT_DISABLED
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nmbs_error nmbs_read_coils(nmbs_t* nmbs, uint16_t address, uint16_t quantity, nmbs_bitfield coils_out) {
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return read_discrete(nmbs, 1, address, quantity, coils_out);
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}
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#endif
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#ifndef NMBS_CLIENT_DISABLED
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nmbs_error nmbs_read_discrete_inputs(nmbs_t* nmbs, uint16_t address, uint16_t quantity, nmbs_bitfield inputs_out) {
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return read_discrete(nmbs, 2, address, quantity, inputs_out);
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}
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#endif
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#ifndef NMBS_CLIENT_DISABLED
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static nmbs_error read_registers(nmbs_t* nmbs, uint8_t fc, uint16_t address, uint16_t quantity, uint16_t* registers) {
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if (quantity < 1 || quantity > 125)
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return NMBS_ERROR_INVALID_ARGUMENT;
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@ -1030,24 +1016,18 @@ static nmbs_error read_registers(nmbs_t* nmbs, uint8_t fc, uint16_t address, uin
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return NMBS_ERROR_NONE;
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}
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#endif
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#ifndef NMBS_CLIENT_DISABLED
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nmbs_error nmbs_read_holding_registers(nmbs_t* nmbs, uint16_t address, uint16_t quantity, uint16_t* registers_out) {
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return read_registers(nmbs, 3, address, quantity, registers_out);
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}
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#endif
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#ifndef NMBS_CLIENT_DISABLED
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nmbs_error nmbs_read_input_registers(nmbs_t* nmbs, uint16_t address, uint16_t quantity, uint16_t* registers_out) {
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return read_registers(nmbs, 4, address, quantity, registers_out);
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}
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#endif
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#ifndef NMBS_CLIENT_DISABLED
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nmbs_error nmbs_write_single_coil(nmbs_t* nmbs, uint16_t address, bool value) {
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msg_state_req(nmbs, 5);
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put_req_header(nmbs, 4);
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@ -1090,10 +1070,8 @@ nmbs_error nmbs_write_single_coil(nmbs_t* nmbs, uint16_t address, bool value) {
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return NMBS_ERROR_NONE;
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}
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#endif
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#ifndef NMBS_CLIENT_DISABLED
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nmbs_error nmbs_write_single_register(nmbs_t* nmbs, uint16_t address, uint16_t value) {
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msg_state_req(nmbs, 6);
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put_req_header(nmbs, 4);
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@ -1133,10 +1111,8 @@ nmbs_error nmbs_write_single_register(nmbs_t* nmbs, uint16_t address, uint16_t v
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return NMBS_ERROR_NONE;
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}
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#endif
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#ifndef NMBS_CLIENT_DISABLED
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nmbs_error nmbs_write_multiple_coils(nmbs_t* nmbs, uint16_t address, uint16_t quantity, const nmbs_bitfield coils) {
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if (quantity < 1 || quantity > 0x07B0)
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return NMBS_ERROR_INVALID_ARGUMENT;
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@ -1190,10 +1166,8 @@ nmbs_error nmbs_write_multiple_coils(nmbs_t* nmbs, uint16_t address, uint16_t qu
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return NMBS_ERROR_NONE;
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}
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#endif
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#ifndef NMBS_CLIENT_DISABLED
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nmbs_error nmbs_write_multiple_registers(nmbs_t* nmbs, uint16_t address, uint16_t quantity, const uint16_t* registers) {
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if (quantity < 1 || quantity > 0x007B)
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return NMBS_ERROR_INVALID_ARGUMENT;
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@ -1247,7 +1221,6 @@ nmbs_error nmbs_write_multiple_registers(nmbs_t* nmbs, uint16_t address, uint16_
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return NMBS_ERROR_NONE;
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}
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#endif
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nmbs_error nmbs_send_raw_pdu(nmbs_t* nmbs, uint8_t fc, const uint8_t* data, uint16_t data_len) {
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@ -1283,6 +1256,7 @@ nmbs_error nmbs_receive_raw_pdu_response(nmbs_t* nmbs, uint8_t* data_out, uint16
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return NMBS_ERROR_NONE;
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}
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#endif
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#ifndef NMBS_STRERROR_DISABLED
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93
nanomodbus.h
93
nanomodbus.h
@ -48,21 +48,6 @@
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extern "C" {
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#endif
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/**
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* If NMBS_SERVER_DISABLED is set, disable all the server callbacks too.
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*/
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#ifdef NMBS_SERVER_DISABLED
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#define NMBS_SERVER_READ_COILS_DISABLED
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#define NMBS_SERVER_READ_DISCRETE_INPUTS_DISABLED
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#define NMBS_SERVER_READ_HOLDING_REGISTERS_DISABLED
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#define NMBS_SERVER_READ_INPUT_REGISTERS_DISABLED
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#define NMBS_SERVER_WRITE_SINGLE_COIL_DISABLED
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#define NMBS_SERVER_WRITE_SINGLE_REGISTER_DISABLED
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#define NMBS_SERVER_WRITE_MULTIPLE_COILS_DISABLED
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#define NMBS_SERVER_WRITE_MULTIPLE_REGISTERS_DISABLED
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#endif
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/**
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* nanoMODBUS errors.
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* Values <= 0 are library errors, > 0 are modbus exceptions.
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@ -159,6 +144,7 @@ typedef struct nmbs_platform_conf {
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* to nmbs_server_create together with this struct.
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*/
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typedef struct nmbs_callbacks {
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#ifndef NMBS_SERVER_DISABLED
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#ifndef NMBS_SERVER_READ_COILS_DISABLED
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nmbs_error (*read_coils)(uint16_t address, uint16_t quantity, nmbs_bitfield coils_out, void* arg);
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#endif
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@ -189,6 +175,7 @@ typedef struct nmbs_callbacks {
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#ifndef NMBS_SERVER_WRITE_MULTIPLE_REGISTERS_DISABLED
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nmbs_error (*write_multiple_registers)(uint16_t address, uint16_t quantity, const uint16_t* registers, void* arg);
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#endif
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#endif
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char _nonempty; // Struct may become empty, which is undefined behavior
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@ -227,29 +214,6 @@ typedef struct nmbs_t {
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*/
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static const uint8_t NMBS_BROADCAST_ADDRESS = 0;
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#ifndef NMBS_CLIENT_DISABLED
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/** Create a new Modbus client.
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* @param nmbs pointer to the nmbs_t instance where the client will be created.
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* @param platform_conf nmbs_platform_conf struct with platform configuration. It may be discarded after calling this method.
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*
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* @return NMBS_ERROR_NONE if successful, NMBS_ERROR_INVALID_ARGUMENT otherwise.
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*/
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nmbs_error nmbs_client_create(nmbs_t* nmbs, const nmbs_platform_conf* platform_conf);
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#endif
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#ifndef NMBS_SERVER_DISABLED
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/** Create a new Modbus server.
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* @param nmbs pointer to the nmbs_t instance where the client will be created.
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* @param address_rtu RTU address of this server. Can be 0 if transport is not RTU.
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* @param platform_conf nmbs_platform_conf struct with platform configuration. It may be discarded after calling this method.
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* @param callbacks nmbs_callbacks struct with server request callbacks. It may be discarded after calling this method.
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*
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* @return NMBS_ERROR_NONE if successful, NMBS_ERROR_INVALID_ARGUMENT otherwise.
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*/
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nmbs_error nmbs_server_create(nmbs_t* nmbs, uint8_t address_rtu, const nmbs_platform_conf* platform_conf,
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const nmbs_callbacks* callbacks);
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#endif
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/** Set the request/response timeout.
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* If the target instance is a server, sets the timeout of the nmbs_server_poll() function.
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* If the target instance is a client, sets the response timeout after sending a request. In case of timeout,
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@ -271,15 +235,18 @@ void nmbs_set_byte_timeout(nmbs_t* nmbs, int32_t timeout_ms);
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*/
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void nmbs_set_platform_arg(nmbs_t* nmbs, void* arg);
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#ifndef NMBS_CLIENT_DISABLED
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/** Set the recipient server address of the next request on RTU transport.
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* @param nmbs pointer to the nmbs_t instance
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* @param address server address
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*/
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void nmbs_set_destination_rtu_address(nmbs_t* nmbs, uint8_t address);
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#endif
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#ifndef NMBS_SERVER_DISABLED
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/** Create a new Modbus server.
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* @param nmbs pointer to the nmbs_t instance where the client will be created.
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* @param address_rtu RTU address of this server. Can be 0 if transport is not RTU.
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* @param platform_conf nmbs_platform_conf struct with platform configuration. It may be discarded after calling this method.
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* @param callbacks nmbs_callbacks struct with server request callbacks. It may be discarded after calling this method.
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*
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* @return NMBS_ERROR_NONE if successful, NMBS_ERROR_INVALID_ARGUMENT otherwise.
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*/
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nmbs_error nmbs_server_create(nmbs_t* nmbs, uint8_t address_rtu, const nmbs_platform_conf* platform_conf,
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const nmbs_callbacks* callbacks);
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/** Handle incoming requests to the server.
|
||||
* This function should be called in a loop in order to serve any incoming request. Its maximum duration, in case of no
|
||||
* received request, is the value set with nmbs_set_read_timeout() (unless set to < 0).
|
||||
@ -290,7 +257,21 @@ void nmbs_set_destination_rtu_address(nmbs_t* nmbs, uint8_t address);
|
||||
nmbs_error nmbs_server_poll(nmbs_t* nmbs);
|
||||
#endif
|
||||
|
||||
#ifndef NMBS_SERVER_READ_COILS_DISABLED
|
||||
#ifndef NMBS_CLIENT_DISABLED
|
||||
/** Create a new Modbus client.
|
||||
* @param nmbs pointer to the nmbs_t instance where the client will be created.
|
||||
* @param platform_conf nmbs_platform_conf struct with platform configuration. It may be discarded after calling this method.
|
||||
*
|
||||
* @return NMBS_ERROR_NONE if successful, NMBS_ERROR_INVALID_ARGUMENT otherwise.
|
||||
*/
|
||||
nmbs_error nmbs_client_create(nmbs_t* nmbs, const nmbs_platform_conf* platform_conf);
|
||||
|
||||
/** Set the recipient server address of the next request on RTU transport.
|
||||
* @param nmbs pointer to the nmbs_t instance
|
||||
* @param address server address
|
||||
*/
|
||||
void nmbs_set_destination_rtu_address(nmbs_t* nmbs, uint8_t address);
|
||||
|
||||
/** Send a FC 01 (0x01) Read Coils request
|
||||
* @param nmbs pointer to the nmbs_t instance
|
||||
* @param address starting address
|
||||
@ -300,9 +281,7 @@ nmbs_error nmbs_server_poll(nmbs_t* nmbs);
|
||||
* @return NMBS_ERROR_NONE if successful, other errors otherwise.
|
||||
*/
|
||||
nmbs_error nmbs_read_coils(nmbs_t* nmbs, uint16_t address, uint16_t quantity, nmbs_bitfield coils_out);
|
||||
#endif
|
||||
|
||||
#ifndef NMBS_SERVER_READ_DISCRETE_INPUTS_DISABLED
|
||||
/** Send a FC 02 (0x02) Read Discrete Inputs request
|
||||
* @param nmbs pointer to the nmbs_t instance
|
||||
* @param address starting address
|
||||
@ -312,9 +291,7 @@ nmbs_error nmbs_read_coils(nmbs_t* nmbs, uint16_t address, uint16_t quantity, nm
|
||||
* @return NMBS_ERROR_NONE if successful, other errors otherwise.
|
||||
*/
|
||||
nmbs_error nmbs_read_discrete_inputs(nmbs_t* nmbs, uint16_t address, uint16_t quantity, nmbs_bitfield inputs_out);
|
||||
#endif
|
||||
|
||||
#ifndef NMBS_SERVER_READ_HOLDING_REGISTERS_DISABLED
|
||||
/** Send a FC 03 (0x03) Read Holding Registers request
|
||||
* @param nmbs pointer to the nmbs_t instance
|
||||
* @param address starting address
|
||||
@ -324,9 +301,7 @@ nmbs_error nmbs_read_discrete_inputs(nmbs_t* nmbs, uint16_t address, uint16_t qu
|
||||
* @return NMBS_ERROR_NONE if successful, other errors otherwise.
|
||||
*/
|
||||
nmbs_error nmbs_read_holding_registers(nmbs_t* nmbs, uint16_t address, uint16_t quantity, uint16_t* registers_out);
|
||||
#endif
|
||||
|
||||
#ifndef NMBS_SERVER_READ_INPUT_REGISTERS_DISABLED
|
||||
/** Send a FC 04 (0x04) Read Input Registers request
|
||||
* @param nmbs pointer to the nmbs_t instance
|
||||
* @param address starting address
|
||||
@ -336,9 +311,7 @@ nmbs_error nmbs_read_holding_registers(nmbs_t* nmbs, uint16_t address, uint16_t
|
||||
* @return NMBS_ERROR_NONE if successful, other errors otherwise.
|
||||
*/
|
||||
nmbs_error nmbs_read_input_registers(nmbs_t* nmbs, uint16_t address, uint16_t quantity, uint16_t* registers_out);
|
||||
#endif
|
||||
|
||||
#ifndef NMBS_SERVER_WRITE_SINGLE_COIL_DISABLED
|
||||
/** Send a FC 05 (0x05) Write Single Coil request
|
||||
* @param nmbs pointer to the nmbs_t instance
|
||||
* @param address coil address
|
||||
@ -347,9 +320,7 @@ nmbs_error nmbs_read_input_registers(nmbs_t* nmbs, uint16_t address, uint16_t qu
|
||||
* @return NMBS_ERROR_NONE if successful, other errors otherwise.
|
||||
*/
|
||||
nmbs_error nmbs_write_single_coil(nmbs_t* nmbs, uint16_t address, bool value);
|
||||
#endif
|
||||
|
||||
#ifndef NMBS_SERVER_WRITE_SINGLE_REGISTER_DISABLED
|
||||
/** Send a FC 06 (0x06) Write Single Register request
|
||||
* @param nmbs pointer to the nmbs_t instance
|
||||
* @param address register address
|
||||
@ -358,9 +329,7 @@ nmbs_error nmbs_write_single_coil(nmbs_t* nmbs, uint16_t address, bool value);
|
||||
* @return NMBS_ERROR_NONE if successful, other errors otherwise.
|
||||
*/
|
||||
nmbs_error nmbs_write_single_register(nmbs_t* nmbs, uint16_t address, uint16_t value);
|
||||
#endif
|
||||
|
||||
#ifndef NMBS_SERVER_WRITE_MULTIPLE_COILS_DISABLED
|
||||
/** Send a FC 15 (0x0F) Write Multiple Coils
|
||||
* @param nmbs pointer to the nmbs_t instance
|
||||
* @param address starting address
|
||||
@ -370,9 +339,7 @@ nmbs_error nmbs_write_single_register(nmbs_t* nmbs, uint16_t address, uint16_t v
|
||||
* @return NMBS_ERROR_NONE if successful, other errors otherwise.
|
||||
*/
|
||||
nmbs_error nmbs_write_multiple_coils(nmbs_t* nmbs, uint16_t address, uint16_t quantity, const nmbs_bitfield coils);
|
||||
#endif
|
||||
|
||||
#ifndef NMBS_SERVER_WRITE_MULTIPLE_REGISTERS_DISABLED
|
||||
/** Send a FC 16 (0x10) Write Multiple Registers
|
||||
* @param nmbs pointer to the nmbs_t instance
|
||||
* @param address starting address
|
||||
@ -382,9 +349,7 @@ nmbs_error nmbs_write_multiple_coils(nmbs_t* nmbs, uint16_t address, uint16_t qu
|
||||
* @return NMBS_ERROR_NONE if successful, other errors otherwise.
|
||||
*/
|
||||
nmbs_error nmbs_write_multiple_registers(nmbs_t* nmbs, uint16_t address, uint16_t quantity, const uint16_t* registers);
|
||||
#endif
|
||||
|
||||
#ifndef NMBS_CLIENT_DISABLED
|
||||
/** Send a raw Modbus PDU.
|
||||
* CRC on RTU will be calculated and sent by this function.
|
||||
* @param nmbs pointer to the nmbs_t instance
|
||||
@ -395,9 +360,7 @@ nmbs_error nmbs_write_multiple_registers(nmbs_t* nmbs, uint16_t address, uint16_
|
||||
* @return NMBS_ERROR_NONE if successful, other errors otherwise.
|
||||
*/
|
||||
nmbs_error nmbs_send_raw_pdu(nmbs_t* nmbs, uint8_t fc, const uint8_t* data, uint16_t data_len);
|
||||
#endif
|
||||
|
||||
#ifndef NMBS_CLIENT_DISABLED
|
||||
/** Receive a raw response Modbus PDU.
|
||||
* @param nmbs pointer to the nmbs_t instance
|
||||
* @param data_out response data. It's up to the caller to convert this data to host byte order.
|
||||
|
||||
Loading…
Reference in New Issue
Block a user