Changed readGPIO(void) to read the MCP23008_GPIO register instead of the output latch register (MCP23008_OLAT).

driverblock · driverblock · commit c7c77f49dca6 · 2012-07-16T19:31:02.000-03:00
diff --git a/Adafruit_MCP23008.cpp b/Adafruit_MCP23008.cpp
@@ -89,8 +89,8 @@ void Adafruit_MCP23008::pinMode(uint8_t p, uint8_t d) {
 }
 
 uint8_t Adafruit_MCP23008::readGPIO(void) {
-  // read the current GPIO output latches
-  return read8(MCP23008_OLAT);
+  // read the current GPIO input 
+  return read8(MCP23008_GPIO);
 }
 
 void Adafruit_MCP23008::writeGPIO(uint8_t gpio) {

Original file line number	Diff line number	Diff line change
`@@ -89,8 +89,8 @@ void Adafruit_MCP23008::pinMode(uint8_t p, uint8_t d) {`
`89`	`89`	`}`
`90`	`90`
`91`	`91`	`uint8_t Adafruit_MCP23008::readGPIO(void) {`
`92`		`- // read the current GPIO output latches`
`93`		`- return read8(MCP23008_OLAT);`
	`92`	`+ // read the current GPIO input`
	`93`	`+ return read8(MCP23008_GPIO);`
`94`	`94`	`}`
`95`	`95`
`96`	`96`	`void Adafruit_MCP23008::writeGPIO(uint8_t gpio) {`