diff --git a/src_main/io/pispi.cpp b/src_main/io/pispi.cpp
index e75ce18a..ceabab83 100644
--- a/src_main/io/pispi.cpp
+++ b/src_main/io/pispi.cpp
@@ -38,7 +38,7 @@ bool PISPI::openDevice() {
 #ifndef WINDOWS
 	int ret = 0;
 	piCoutObj << "open device" << path();
-	PRIVATE->fd = ::open(path().dataAscii(), O_RDWR);
+/*	PRIVATE->fd = ::open(path().dataAscii(), O_RDWR);
 	if (PRIVATE->fd < 0) {piCoutObj << "can't open device";return false;}
 	piCoutObj << "set mode" << spi_mode;
 	ret = ioctl(PRIVATE->fd, SPI_IOC_WR_MODE, &spi_mode);
@@ -52,7 +52,7 @@ bool PISPI::openDevice() {
 	piCoutObj << "SPI open" << path() << "speed:" << spi_speed/1000 << "KHz" << "mode" << spi_mode << "bits" << spi_bits;
 	PRIVATE->spi_ioc_tr.delay_usecs = 0;
 	PRIVATE->spi_ioc_tr.speed_hz = 0;
-	PRIVATE->spi_ioc_tr.bits_per_word = spi_bits;
+	PRIVATE->spi_ioc_tr.bits_per_word = spi_bits;*/
 	return true;
 #else
 	piCoutObj << "PISPI not implemented on windows";
@@ -90,8 +90,8 @@ int PISPI::writeDevice(const void * data, int max_size) {
 		memcpy(tx_buf.data(), data, max_size);
 		int ret;
 		piCoutObj << "write" << max_size << tx_buf.size();
-		ret = ioctl(PRIVATE->fd, SPI_IOC_MESSAGE(1), &PRIVATE->spi_ioc_tr);
-		if (ret < 1) {piCoutObj << "can't send spi message" << ret; return -1;}
+		*/ret = ioctl(PRIVATE->fd, SPI_IOC_MESSAGE(1), &PRIVATE->spi_ioc_tr);
+		if (ret < 1) {piCoutObj << "can't send spi message" << ret; return -1;}*/
 		recv_buf.append(rx_buf);
 		if (recv_buf.size_s() > threadedReadBufferSize()) recv_buf.resize(threadedReadBufferSize());
 		return max_size;