add nimble uart

download "nimble connect" on your phone, connect to "Nimble Uart", send byte array or uint8 to the board through the app

components/connectivity/Bluetooth_5.0/porting/TencentOS_tiny/src/console.c

@@ -0,0 +1,48 @@
+#include "console/console.h"
+
+#include "stdint.h"
+#include "stdarg.h"
+
+int console_printf(const char *fmt, ...)
+{
+    va_list args;
+
+    va_start(args, fmt);
+    vprintf(fmt, args);
+    va_end(args);
+}
+
+int console_read(char *str, int cnt, int *newline)
+{
+    return 0;
+}
+
+char convert_int2ascii(int8_t n)
+{
+    if (n < 10 && n >= 0) {
+        return n - 0 + '0';
+    } else if (n <= 15 && n >= 10) {
+        return n - 10 + 'A';
+    } else {
+        return '$';
+    }
+}
+
+void console_write(const char *str, int cnt)
+{
+    int i;
+
+    if (cnt == 1 && str[0] == 10) {
+        printf("\n");
+        return;
+    }
+
+    printf("0x");
+    for (i = 0; i < cnt; ++i) {
+        printf("%c%c", convert_int2ascii(str[i] / 16), convert_int2ascii(str[i] % 16));
+        if (i != cnt - 1) {
+            printf("-");
+        }
+    }
+}
+