Commit 4d0bb251 authored by Birte Kristina Friesel's avatar Birte Kristina Friesel
Browse files

softi2c: report NAKs during TX

parent bdb15908

src/driver/soft_i2c.cc

+9 −3
Original line number Diff line number Diff line
@@ -203,15 +203,21 @@ signed char SoftI2C::xmit(unsigned char address, 


	if (tx_len) {

		start();

		tx((address << 1) | 0);

		if (tx((address << 1) | 0) == false) {

			return -1;

		}



		for (i = 0; i < tx_len; i++) {

			tx(tx_buf[i]);

			if (tx(tx_buf[i]) == false) {

				return -1;

			}

		}

	}

	if (rx_len) {

		start();

		tx((address << 1) | 1);

		if (tx((address << 1) | 1) == false) {

			return -1;

		}



		for (i = 1; i <= rx_len; i++) {

			rx_buf[i-1] = rx((i < rx_len) * 1);