增加PIKA_WEAK宏用于适应不同编译链;增加pika_free/malloc/printf

src/dataMemory.c

@@ -9,19 +9,29 @@
 
 PikaMemInfo pikaMemInfo = {0};
 
-__attribute__((weak)) void __pikaDisableIrqHandle(){
+PIKA_WEAK void __pikaDisableIrqHandle(){
     /* disable irq to support thread */
 }
-__attribute__((weak)) void __pikaEnableIrqHandle(){
+
+PIKA_WEAK void __pikaEnableIrqHandle(){
     /* disable irq to support thread */    
 }
+
+PIKA_WEAK void *pika_malloc(size_t size){
+    return malloc(size);
+}
+
+PIKA_WEAK void pika_free(void *ptr){
+    return free(ptr);
+}
+
 void* pikaMalloc(uint32_t size) {
     pikaMemInfo.heapUsed += size;
     if (pikaMemInfo.heapUsedMax < pikaMemInfo.heapUsed) {
         pikaMemInfo.heapUsedMax = pikaMemInfo.heapUsed;
     }
     __pikaDisableIrqHandle();
-    void* mem = malloc(size);
+    void* mem = pika_malloc(size);
     __pikaEnableIrqHandle();
     if (NULL == mem) {
         printf("[error]: No heap space! Please reset the device.\r\n");
@@ -33,7 +43,7 @@ void* pikaMalloc(uint32_t size) {
 
 void pikaFree(void* mem, uint32_t size) {
     __pikaDisableIrqHandle();
-    free(mem);
+    pika_free(mem);
     __pikaEnableIrqHandle();    
     pikaMemInfo.heapUsed -= size;
 }

src/dataMemory.h

@@ -10,6 +10,16 @@
 #include <stdio.h>
 #include <string.h>
 
+#if defined(__CC_ARM) || defined(__CLANG_ARM)           /* ARM Compiler */
+#define PIKA_WEAK                     __attribute__((weak))
+#elif defined (__IAR_SYSTEMS_ICC__)     /* for IAR Compiler */
+#define PIKA_WEAK                     __weak
+#elif defined (__GNUC__)                /* GNU GCC Compiler */
+#define PIKA_WEAK                     __attribute__((weak))
+#endif
+
+#define pika_printf(...)    printf(__VA_ARGS__)
+
 typedef struct {
     uint32_t heapUsed;
     uint32_t heapUsedMax;