From bb026b1d99f70c6ae3320eab8673160d3b045f97 Mon Sep 17 00:00:00 2001
From: jzlv <jzlv@bouffalolab.com>
Date: Mon, 12 Jul 2021 17:03:18 +0800
Subject: [PATCH] [fix][examples/adc] add adc demo float support

---
 examples/adc/adc_key/cdk/adc_key.cdkproj | 25 +++++++++++++++---------
 examples/adc/adc_key/readme.md           |  2 +-
 2 files changed, 17 insertions(+), 10 deletions(-)

diff --git a/examples/adc/adc_key/cdk/adc_key.cdkproj b/examples/adc/adc_key/cdk/adc_key.cdkproj
index f3ab7fe2..3508f45a 100644
--- a/examples/adc/adc_key/cdk/adc_key.cdkproj
+++ b/examples/adc/adc_key/cdk/adc_key.cdkproj
@@ -189,13 +189,20 @@ Board: bl70x_iot
       <FileOption/>
     </File>
   </VirtualDirectory>
-  <VirtualDirectory Name="board">
-    <File Name="../../../../bsp/board/bl706_avb/board.c">
-      <FileOption/>
-    </File>
-    <File Name="../../../../bsp/bsp_common/platform/bflb_platform.c">
-      <FileOption/>
-    </File>
+  <VirtualDirectory Name="bsp">
+    <VirtualDirectory Name="board">
+      <File Name="../../../../bsp/board/bl706_iot/board.c">
+        <FileOption/>
+      </File>
+    </VirtualDirectory>
+    <VirtualDirectory Name="bsp_common">
+      <File Name="../../../../bsp/bsp_common/platform/bflb_platform.c">
+        <FileOption/>
+      </File>
+      <File Name="../../../../bsp/bsp_common/platform/syscalls.c">
+        <FileOption/>
+      </File>
+    </VirtualDirectory>
   </VirtualDirectory>
   <VirtualDirectory Name="common">
     <File Name="../../../../common/device/drv_device.c">
@@ -395,7 +402,7 @@ Board: bl70x_iot
         <LDFile>$(ProjectPath)../../../../drivers/bl702_driver/bl702_flash.ld</LDFile>
         <LibName>c</LibName>
         <LibPath/>
-        <OtherFlags>--specs=nano.specs</OtherFlags>
+        <OtherFlags>--specs=nano.specs -u _printf_float</OtherFlags>
         <AutoLDFile>no</AutoLDFile>
         <LinkType/>
       </Linker>
@@ -586,7 +593,7 @@ Board: bl70x_iot
         <LDFile>$(ProjectPath)../../../../drivers/bl702_driver/bl702_flash.ld</LDFile>
         <LibName>c</LibName>
         <LibPath/>
-        <OtherFlags>--specs=nano.specs</OtherFlags>
+        <OtherFlags>--specs=nano.specs -u _printf_float</OtherFlags>
         <AutoLDFile>no</AutoLDFile>
         <LinkType/>
       </Linker>
diff --git a/examples/adc/adc_key/readme.md b/examples/adc/adc_key/readme.md
index 8c47be8c..6cbd0e7b 100644
--- a/examples/adc/adc_key/readme.md
+++ b/examples/adc/adc_key/readme.md
@@ -1,5 +1,5 @@
 ```bash
 
-$ make APP=adc_key BOARD=bl706_iot
+$ make APP=adc_key BOARD=bl706_iot SUPPORT_FLOAT=y
 
 ```
\ No newline at end of file