minimal-printf: Disable floating point support by default

Mbed OS should not require floating point in its base configuration. This provides further code size savings out of the box.
ARMmbed · Sep 10, 2019 · f6c410c · f6c410c
1 parent 5f8f5fd
commit f6c410c
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Showing 3 changed files with 10 additions and 3 deletions.
diff --git a/TESTS/mbed_platform/minimal-printf/compliance/test_app.json b/TESTS/mbed_platform/minimal-printf/compliance/test_app.json
@@ -0,0 +1,7 @@
+{
+    "target_overrides": {
+        "*": {
+            "platform.minimal-printf-enable-floating-point": true
+        }
+    }
+}
diff --git a/platform/mbed_lib.json b/platform/mbed_lib.json
@@ -140,7 +140,7 @@
         },
         "minimal-printf-enable-floating-point": {
             "help": "Enable floating point printing when using mprintf profile",
-            "value": true
+            "value": false
         },
         "minimal-printf-set-floating-point-max-decimals": {
             "help": "Maximum number of decimals to be printed",

diff --git a/platform/source/minimal-printf/README.md b/platform/source/minimal-printf/README.md
@@ -41,7 +41,7 @@ Minimal printf is configured by the following parameters defined in `platform/mb
         },
         "minimal-printf-enable-floating-point": {
             "help": "Enable floating point printing when using minimal-printf profile",
-            "value": true
+            "value": false
         },
         "minimal-printf-set-floating-point-max-decimals": {
             "help": "Maximum number of decimals to be printed",
@@ -51,7 +51,7 @@ Minimal printf is configured by the following parameters defined in `platform/mb
 }
 ```
 
-By default, 64 bit integers, floating point  and FILE stream printing are enabled.
+By default, 64 bit integers and FILE stream printing are enabled.
 
 If your target does not require some options then you can override the default configuration in your application `mbed_app.json` and achieve further memory optimisation (see next section for size comparison numbers).