A27系列优化I2C/RTC处理，新增版本A270Y

A27-STEPLDR/Src/aic.h

@@ -0,0 +1,45 @@
+/**
+ *  \file
+ *
+ *  \section Purpose
+ *
+ *  Methods and definitions for configuring interrupts.
+ *
+ *  \section Usage
+  *  -# Enable or disable interrupt generation of a particular source with
+ *    IRQ_EnableIT and IRQ_DisableIT.
+ *  -# Start or stop the timer clock using TC_Start() and TC_Stop().
+ */
+ 
+#ifndef AIC_H
+#define AIC_H
+
+/*------------------------------------------------------------------------------
+ *         Headers
+ *------------------------------------------------------------------------------*/
+
+#include <stdint.h>
+
+/*------------------------------------------------------------------------------
+ *         Global functions
+ *------------------------------------------------------------------------------*/
+ 
+ #ifdef __cplusplus
+ extern "C" {
+#endif
+
+typedef void (*ISRFunction_t)( void *param );
+
+extern void AIC_Initialize(void);
+extern void AIC_EnableIT( uint32_t source);
+extern void AIC_DisableIT(uint32_t source);
+extern int32_t request_irq(uint32_t irq_source, int32_t priority, ISRFunction_t func, void *param);
+extern int32_t free_irq(uint32_t irq_source);
+extern void AIC_IrqHandler(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif //#ifndef AIC_H
+