From: arighi <arighi@38d2e660-2303-0410-9eaa-f027e97ec537>
Date: Sat, 17 Apr 2010 15:04:16 +0000 (+0000)
Subject: lm3s1968: introduce lm3s_gpioPinRead().
X-Git-Tag: 2.5.0~462
X-Git-Url: https://codewiz.org/gitweb?a=commitdiff_plain;h=e297562641a5c6f62f36593b6edc260e2c1685bd;p=bertos.git

lm3s1968: introduce lm3s_gpioPinRead().

git-svn-id: https://src.develer.com/svnoss/bertos/trunk@3446 38d2e660-2303-0410-9eaa-f027e97ec537
---

diff --git a/bertos/cpu/cortex-m3/drv/gpio_lm3s.h b/bertos/cpu/cortex-m3/drv/gpio_lm3s.h
index 9ff6b56b..d80c033f 100644
--- a/bertos/cpu/cortex-m3/drv/gpio_lm3s.h
+++ b/bertos/cpu/cortex-m3/drv/gpio_lm3s.h
@@ -82,7 +82,13 @@ enum
 /* Write a value to the specified pin(s) */
 INLINE void lm3s_gpioPinWrite(uint32_t port, uint8_t pins, uint8_t val)
 {
-	HWREG(port + (GPIO_O_DATA + (pins << 2))) = val;
+	HWREG(port + GPIO_O_DATA + (pins << 2)) = val;
+}
+
+/* Read a value from the specified pin(s) */
+INLINE uint32_t lm3s_gpioPinRead(uint32_t port, uint8_t pins)
+{
+	return HWREG(port + GPIO_O_DATA + (pins << 2));
 }
 
 int lm3s_gpioPinConfig(uint32_t port, uint8_t pins,