summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--src/driver/soft_i2c.cc12
1 files changed, 9 insertions, 3 deletions
diff --git a/src/driver/soft_i2c.cc b/src/driver/soft_i2c.cc
index 8822fde..975fa2e 100644
--- a/src/driver/soft_i2c.cc
+++ b/src/driver/soft_i2c.cc
@@ -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);