X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=bertos%2Fcpu%2Fcortex-m3%2Fdrv%2Fgpio_lm3s.h;h=d80c033f0177b98649c3f3e91d68f39021ca596b;hb=f81df2ee3de292493462ee9d0a8905eaafb57243;hp=9ff6b56b8bfd36e92c2da5d57314b4598b86a45d;hpb=7d62f20a0d0dd38aa03997583c69bbc085896308;p=bertos.git

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,