X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=bertos%2Fcpu%2Fcortex-m3%2Fio%2Fstm32_i2c.h;h=1f6b3adb76c90c451fca5f714940446b7ad4ab4a;hb=ec47d0bd8a351e1f32e1e32b83d2cdb2f5134a04;hp=56f265404e37e9e693e48b6939d272ff04c02a9d;hpb=b7e2d109273eea51248e355f56abb36b0b9018d6;p=bertos.git

diff --git a/bertos/cpu/cortex-m3/io/stm32_i2c.h b/bertos/cpu/cortex-m3/io/stm32_i2c.h
index 56f26540..1f6b3adb 100644
--- a/bertos/cpu/cortex-m3/io/stm32_i2c.h
+++ b/bertos/cpu/cortex-m3/io/stm32_i2c.h
@@ -239,11 +239,33 @@
 /* I2C CCR mask */
 #define CCR_CCR_SET             ((uint16_t)0x0FFF)
 
+
+/* I2C CR1 */
+#define CR1_POS                                 11
+
 /* I2C Status */
-#define SR1_BUSY                                 1
-#define SR1_MSL                                  0
+#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_ADDR                                 1
+#define SR1_BTF                                  2
+#define SR1_SB                                   0
+
+#define SR2_TRA                                  2
+#define SR2_BUSY                                 1
+#define SR2_MSL                                  0
+
+
+#define SR1_ERR_MASK        (BV(SR1_PECERR) | \
+							 BV(SR1_OVR)    | \
+							 BV(SR1_AF)     | \
+							 BV(SR1_ARLO)   | \
+							 BV(SR1_BERR))
 
-#define SR2_SB                                   0
 
 
 struct stm32_i2c