Fixed error "no matching function for pgm_read<double>()" on AVR

2020-10-17 14:02:26 +02:00
parent 712005219c
commit 41132b701b
1 changed files with 5 additions and 1 deletions
--- a/src/ArduinoJson/Polyfills/pgmspace_generic.hpp
+++ b/src/ArduinoJson/Polyfills/pgmspace_generic.hpp
@ -15,7 +15,11 @@ typename enable_if<is_pointer<T>::value, T>::type pgm_read(const void* p) {
 }

 template <typename T>
-typename enable_if<is_same<T, float>::value, T>::type pgm_read(const void* p) {
+typename enable_if<is_floating_point<T>::value &&
+                       sizeof(T) == sizeof(float),  // on AVR sizeof(double) ==
+                                                    // sizeof(float)
+                   T>::type
+pgm_read(const void* p) {
  return pgm_read_float(p);
 }