MCUXpresso: In pin_function() use mask macro instead of a hard-coded value

mmahadevan108 · mmahadevan108 · commit a934ba0b5aae · 2019-03-08T07:28:57.000-06:00
The mask size can vary based on the platform

Signed-off-by: Mahesh Mahadevan &lt;mahesh.mahadevan@nxp.com&gt;
diff --git a/targets/TARGET_NXP/TARGET_MCUXpresso_MCUS/TARGET_LPC/pinmap.c b/targets/TARGET_NXP/TARGET_MCUXpresso_MCUS/TARGET_LPC/pinmap.c
@@ -33,7 +33,7 @@ void pin_function(PinName pin, int function)
     IOCON->PIO[port_number][pin_number] |= IOCON_PIO_DIGIMODE_MASK;
 
     reg = IOCON->PIO[port_number][pin_number];
-    reg = (reg & ~0x7) | (function & 0x7);
+    reg = (reg & ~0x7) | (function & IOCON_PIO_FUNC_MASK);
     IOCON->PIO[port_number][pin_number] = reg;
 }
 

Original file line number	Diff line number	Diff line change
`@@ -33,7 +33,7 @@ void pin_function(PinName pin, int function)`
`33`	`33`	`IOCON->PIO[port_number][pin_number] \|= IOCON_PIO_DIGIMODE_MASK;`
`34`	`34`
`35`	`35`	`reg = IOCON->PIO[port_number][pin_number];`
`36`		`- reg = (reg & ~0x7) \| (function & 0x7);`
	`36`	`+ reg = (reg & ~0x7) \| (function & IOCON_PIO_FUNC_MASK);`
`37`	`37`	`IOCON->PIO[port_number][pin_number] = reg;`
`38`	`38`	`}`
`39`	`39`