X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=bertos%2Fcpu%2Fcortex-m3%2Fio%2Fstm32_i2c.h;h=a7e375fb7df70599186a3481ee7aac8a2719612b;hb=489b283ff1f2f430ec47cbd2e1fc477aa033ce98;hp=0ac306947c8f3346d8a76f4009b2b9e413f0935a;hpb=f27a8a6bf27047bf0e173cfa448e1694b80a9fb5;p=bertos.git

diff --git a/bertos/cpu/cortex-m3/io/stm32_i2c.h b/bertos/cpu/cortex-m3/io/stm32_i2c.h
index 0ac30694..a7e375fb 100644
--- a/bertos/cpu/cortex-m3/io/stm32_i2c.h
+++ b/bertos/cpu/cortex-m3/io/stm32_i2c.h
@@ -239,9 +239,19 @@
 /* I2C CCR mask */
 #define CCR_CCR_SET             ((uint16_t)0x0FFF)
 
+
+/* I2C CR1 */
+#define CR1_POS_SET                ((uint16_t)0x800)
+#define CR1_POS_RESET                 (~CR1_POS_SET)
+
 /* I2C Status */
+#define SR1_PECERR                              12
+#define SR1_OVR                                 11
+#define SR1_AF                                  10
+#define SR1_ARLO                                 9
+#define SR1_BERR                                 8
 #define SR1_TXE                                  7
-#define SR1_RXE                                  6
+#define SR1_RXNE                                 6
 #define SR1_ADDR                                 1
 #define SR1_BTF                                  2
 #define SR1_SB                                   0
@@ -251,7 +261,11 @@
 #define SR2_MSL                                  0
 
 
-
+#define SR1_ERR_MASK        (BV(SR1_PECERR) | \
+							 BV(SR1_OVR)    | \
+							 BV(SR1_AF)     | \
+							 BV(SR1_ARLO)   | \
+							 BV(SR1_BERR))
 
 struct stm32_i2c
 {