121 	if ((cfg->uart_buf[0] != MODBUS_ASCII_START_FRAME_CHAR) ||  in modbus_ascii_rx_adu()
122 	    (cfg->uart_buf[rx_size - 2] != MODBUS_ASCII_END_FRAME_CHAR1) ||  in modbus_ascii_rx_adu()
123 	    (cfg->uart_buf[rx_size - 1] != MODBUS_ASCII_END_FRAME_CHAR2)) {  in modbus_ascii_rx_adu()
131 	pmsg = &cfg->uart_buf[1];  in modbus_ascii_rx_adu()
161 	calc_lrc = modbus_ascii_get_lrc(&cfg->uart_buf[1],  in modbus_ascii_rx_adu()
193 	cfg->uart_buf[0] = MODBUS_ASCII_START_FRAME_CHAR;  in modbus_ascii_tx_adu()
196 	pbuf = &cfg->uart_buf[1];  in modbus_ascii_tx_adu()
215 	lrc = modbus_ascii_get_lrc(&cfg->uart_buf[1], (tx_bytes - 1) / 2);  in modbus_ascii_tx_adu()
225 	cfg->uart_buf_ptr = &cfg->uart_buf[0];  in modbus_ascii_tx_adu()
257 	ctx->rx_adu.unit_id = cfg->uart_buf[0];  in modbus_rtu_rx_adu()
258 	ctx->rx_adu.fc = cfg->uart_buf[1];  in modbus_rtu_rx_adu()
259 	data_ptr = &cfg->uart_buf[2];  in modbus_rtu_rx_adu()
267 	ctx->rx_adu.crc = sys_get_le16(&cfg->uart_buf[crc_idx]);  in modbus_rtu_rx_adu()
269 	calc_crc = crc16_ansi(&cfg->uart_buf[0],  in modbus_rtu_rx_adu()
286 	cfg->uart_buf[0] = ctx->tx_adu.unit_id;  in rtu_tx_adu()
287 	cfg->uart_buf[1] = ctx->tx_adu.fc;  in rtu_tx_adu()
289 	data_ptr = &cfg->uart_buf[2];  in rtu_tx_adu()
293 	ctx->tx_adu.crc = crc16_ansi(&cfg->uart_buf[0], ctx->tx_adu.length + 2);  in rtu_tx_adu()
295 		     &cfg->uart_buf[ctx->tx_adu.length + 2]);  in rtu_tx_adu()
299 	cfg->uart_buf_ptr = &cfg->uart_buf[0];  in rtu_tx_adu()
301 	LOG_HEXDUMP_DBG(cfg->uart_buf, cfg->uart_buf_ctr, "uart_buf");  in rtu_tx_adu()
326 			cfg->uart_buf_ptr = &cfg->uart_buf[0];  in cb_handler_rx()
380 		cfg->uart_buf_ptr = &cfg->uart_buf[0];  in cb_handler_tx()
534 	cfg->uart_buf_ptr = &cfg->uart_buf[0];  in modbus_serial_rx_adu()
596 	cfg->uart_buf_ptr = &cfg->uart_buf[0];  in modbus_serial_init()