Revision 1:9b8788ea7c85, committed 2019-03-07

Comitter:

bojun0220

Date:

Thu Mar 07 08:19:32 2019 +0000

Parent:

0:1abc1344f5eb

Commit message:

Using software serial instead of serial

Changed in this revision

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/SoftSerial.lib	Thu Mar 07 08:19:32 2019 +0000
@@ -0,0 +1,1 @@
+https://os.mbed.com/users/Sissors/code/SoftSerial/#a0029614de72

--- a/YW51.cpp	Tue Feb 19 14:24:36 2019 +0000
+++ b/YW51.cpp	Thu Mar 07 08:19:32 2019 +0000
@@ -22,7 +22,7 @@
  */
 #include "YW51.h"
 
-YW51::YW51(PinName tx, PinName rx, int Baud) : _YW51(tx, rx)
+YW51::YW51(PinName rx, int Baud) : _YW51(NC, rx)
 {
     _YW51.baud(Baud);
 }
@@ -30,14 +30,13 @@
 int YW51::readData()
 {
     double vo;
-
     getline();
     if(msg[0]+ msg[1]+ msg[2]+ msg[3] == msg[4]) {
         vo = (msg[0] * 256.0 + msg[1])* 2.5 / 1024.0;
         pm = findK(vo) * vo;
-        return 1;
+        return 0;
     } else {
-        return 0;
+        return 1;
     }
 }
 

--- a/YW51.h	Tue Feb 19 14:24:36 2019 +0000
+++ b/YW51.h	Thu Mar 07 08:19:32 2019 +0000
@@ -20,7 +20,33 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  * THE SOFTWARE.
  */
+ 
+ /*Example:
 #include "mbed.h"
+#include "YW51.h"
+#include <string>
+Serial pc(USBTX, USBRX);
+
+YW51 dev(D2, 2400);
+int main(){
+    pc.baud(9600);
+    int err;
+    pc.printf("YW-51 Testing Program!\r\n");
+    pc.printf("---------------------------\r\n");
+    while(1){
+        err = dev.readData();
+        if(err == 0){
+            pc.printf("PM2.5 = %fug/m3 \r\n", dev.ShowPM());
+            //pc.printf("%d", dev.PMStage(dev.ShowPM()));
+            }else{
+                pc.printf("Data Error!\r\n");
+            }
+        pc.printf("----------------------------\r\n");
+        }   
+}
+ */
+#include "mbed.h"
+#include "SoftSerial.h"//Software Serial implemented by Erik Oliman
 
 #ifndef MBED_YW51_H
 #define MBED_YW51_H
@@ -29,14 +55,14 @@
 {
 
 public:
-    YW51(PinName _tx, PinName _rx, int Baud);
+    YW51(PinName _rx, int Baud);
     int readData();
     double ShowPM();
     int PMStage(double pm);
 
 
 private:
-    Serial _YW51;
+    SoftSerial _YW51;
     int msg[6];
     double pm;
     int findK(double vo);