suppressing unexpexted warning of "-Wmaybe-uninitialized"

teddokano · teddokano · commit a5bd7fc1195f · 2024-02-28T08:12:32.000+09:00
diff --git a/src/I2C_device.cpp b/src/I2C_device.cpp
@@ -116,12 +116,12 @@ int I2C_device::reg_r( uint8_t reg_adr, uint8_t *data, uint16_t size )
 
 uint8_t I2C_device::reg_r( uint8_t reg_adr )
 {
-	uint8_t	buffer;
+	uint8_t	buffer	= 0;	//	assignning zero to suppress warning "-Wmaybe-uninitialized"
 	
 	tx( &reg_adr, 1, rs_dis );
 	rx( &buffer, 1 );
 	return buffer;
-}
+} 
 
 void I2C_device::write_r8( uint8_t reg, uint8_t val )
 {

Original file line number	Diff line number	Diff line change
`@@ -116,12 +116,12 @@ int I2C_device::reg_r( uint8_t reg_adr, uint8_t *data, uint16_t size )`
`116`	`116`
`117`	`117`	`uint8_t I2C_device::reg_r( uint8_t reg_adr )`
`118`	`118`	`{`
`119`		`- uint8_t buffer;`
	`119`	`+ uint8_t buffer = 0; // assignning zero to suppress warning "-Wmaybe-uninitialized"`
`120`	`120`
`121`	`121`	`tx( &reg_adr, 1, rs_dis );`
`122`	`122`	`rx( &buffer, 1 );`
`123`	`123`	`return buffer;`
`124`		`-}`
	`124`	`+}`
`125`	`125`
`126`	`126`	`void I2C_device::write_r8( uint8_t reg, uint8_t val )`
`127`	`127`	`{`