X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=bertos%2Fdrv%2Fpcf8574.c;h=5572e40ce3ce29803315fa3bfc3b45d541d7f8ed;hb=a9d4f6bb2eb2066c32404cb517d84dadd2161b24;hp=41d54e0ca8b234ac9e113c203355f9ab641b8f69;hpb=0b5df3da61b25d2a8d39a76300a2f1ca922d4415;p=bertos.git

diff --git a/bertos/drv/pcf8574.c b/bertos/drv/pcf8574.c
index 41d54e0c..5572e40c 100644
--- a/bertos/drv/pcf8574.c
+++ b/bertos/drv/pcf8574.c
@@ -40,7 +40,6 @@
  * each pin as input or output, see datasheet on how this
  * is achieved.
  *
- * \version $Id: ft245rl.c 22301 2008-09-09 16:53:17Z batt $
  * \author Francesco Sacchi <batt@develer.com>
  */
 
@@ -57,8 +56,13 @@ int pcf8574_get(Pcf8574 *pcf)
 	if (!i2c_start_r(PCF8574ID | ((pcf->addr << 1) & 0xF7)))
 		return EOF;
 
-	int data = i2c_get(false);
+	int data; 
+	
+	if (!i2c_recv(&data, 1))
+		data = EOF;
+		
 	i2c_stop();
+	
 	return data;
 }
 
@@ -68,7 +72,9 @@ int pcf8574_get(Pcf8574 *pcf)
  */
 bool pcf8574_put(Pcf8574 *pcf, uint8_t data)
 {
-	return 	i2c_start_w(PCF8574ID | ((pcf->addr << 1) & 0xF7)) && i2c_put(data) && i2c_stop();
+	bool res = i2c_start_w(PCF8574ID | ((pcf->addr << 1) & 0xF7)) && i2c_put(data);
+	i2c_stop();
+	return res;
 }
 
 /**