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Author: soburi

cores/arduino/zephyr/api/Print.h

@@ -42,6 +42,8 @@ class Print : virtual public idl::PrintIfc {
 	}
 
 public:
+	using idl::PrintIfc::write;
+
 	int getWriteError() {
 		return errcode.getError();
 	}
@@ -109,7 +111,7 @@ size_t print_number_base_pow2(void *ctx, unsigned long long ull, unsigned bits);
 template <class Number>
 size_t print_number(void *ctx, Number n, const int base, const char *decfmt) {
 	if (base == 0) {
-		return reinterpret_cast<Print *>(ctx)->write((char)n);
+		return reinterpret_cast<Print *>(ctx)->write(static_cast<uint8_t>(n));
 	} else if (base == 2) {
 		return zephyr::print_number_base_pow2(ctx, n, 1);
 	} else if (base == 4) {