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
diff -r 1abc1344f5eb -r 9b8788ea7c85 SoftSerial.lib
--- /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
diff -r 1abc1344f5eb -r 9b8788ea7c85 YW51.cpp
--- 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;
}
}
diff -r 1abc1344f5eb -r 9b8788ea7c85 YW51.h
--- 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);