add wifi project.(board/EVB_LN882x, example/wifi_ln882x, platform/vendor_bsp)

board/EVB_LN882x/BSP/Src/mcu_init.c

@@ -0,0 +1,84 @@
+#include "mcu_init.h"
+#include "serial/serial.h"
+#include "utils/debug/log.h"
+#include "wifi/wifi.h"
+#include "tos_kv.h"
+#include "hal/flash.h"
+#include "hal/hal_interrupt.h"
+#include "utils/debug/CmBacktrace/cm_backtrace.h"
+
+uint8_t test_no_init_data[128] __attribute__((section("no_init_data"),zero_init));
+
+extern Serial_t m_LogSerial;
+
+int fputc(int ch, FILE *f)
+{
+    serial_putchar(&m_LogSerial, ch);
+    return ch;
+}
+
+int _write(int fd, char *ptr, int len)
+{
+    len = serial_write(&m_LogSerial, (const void *)ptr, len);
+    return len;
+}
+
+int fgetc(FILE *f)
+{
+    uint8_t ch = 0;
+    return ch;
+}
+
+
+//int flash_write(uint32_t addr, const void *buf, size_t len){
+//    FLASH_Program(addr,len, (uint8_t *)buf);
+//}
+//int flash_read(uint32_t addr, void *buf, size_t len){
+//    FLASH_ReadByCache(addr, len, (uint8_t *)buf);
+//}
+
+//void nvds_kv_init(void)
+//{
+//    kv_flash_drv_t  flash_drv;
+//    kv_flash_prop_t flash_prop;
+//    
+//    flash_drv.write = flash_write;
+//    flash_drv.read  = flash_read;
+//    flash_drv.erase = FLASH_Erase;
+//    
+//    flash_prop.sector_size_log2 = 8;
+//    flash_prop.pgm_type         = KV_FLASH_PROGRAM_TYPE_BYTE;
+//    flash_prop.flash_start      = SYSTEM_PARAMETER_OFFSET;
+//    flash_prop.flash_size       = SIZE_4KB*2;
+//}
+
+void board_init(void)
+{
+    SetSysClock();
+    set_interrupt_priority();
+    switch_global_interrupt(true);
+    
+    //3.rf preprocess,img cal
+    wifi_rf_preprocess();
+    wifi_rf_image_cal();
+
+    log_init();//init log serial
+    cm_backtrace_init("wifi app", "HD_V2", "SW_V0.8");
+
+//    nvds_kv_init();
+}
+
+
+void SysTick_Handler(void)
+{
+    if (tos_knl_is_running())
+    {
+        tos_knl_irq_enter();
+        tos_tick_handler();
+        tos_knl_irq_leave();
+    }
+}
+
+
+
+