Diff: targets/TARGET_STM/TARGET_STM32F1/common_objects.h

Revision:

154:37f96f9d4de2

Parent:

153:fa9ff456f731

--- a/targets/TARGET_STM/TARGET_STM32F1/common_objects.h	Tue Dec 20 17:27:56 2016 +0000
+++ b/targets/TARGET_STM/TARGET_STM32F1/common_objects.h	Wed Jan 04 16:58:05 2017 +0000
@@ -82,11 +82,42 @@
 #endif
 };
 
+struct i2c_s {
+    /*  The 1st 2 members I2CName i2c
+     *  and I2C_HandleTypeDef handle should
+     *  be kept as the first members of this struct
+     *  to ensure i2c_get_obj to work as expected
+     */
+    I2CName  i2c;
+    I2C_HandleTypeDef handle;
+    uint8_t index;
+    int hz;
+    PinName sda;
+    PinName scl;
+    IRQn_Type event_i2cIRQ;
+    IRQn_Type error_i2cIRQ;
+    uint32_t XferOperation;
+    volatile uint8_t event;
+#if DEVICE_I2CSLAVE
+    uint8_t slave;
+    volatile uint8_t pending_slave_tx_master_rx;
+    volatile uint8_t pending_slave_rx_maxter_tx;
+#endif
+#if DEVICE_I2C_ASYNCH
+    uint32_t address;
+    uint8_t stop;
+    uint8_t available_events;
+#endif
+};
+
 #include "gpio_object.h"
 
 #ifdef __cplusplus
 }
 #endif
 
+/* STM32F1 HAL doesn't provide this API called in rtc_api.c */
+#define __HAL_RCC_RTC_CLKPRESCALER(__RTCCLKSource__)
+
 #endif