Hiroaki Matsuda
if you send signal from pc to mbed ,mbed will send back analog data to pc
Revision 0:e7e366b4f7cd, committed 2012-12-05
- Comitter:
- matsu
- Date:
- Wed Dec 05 15:10:17 2012 +0000
- Commit message:
- send command from pc and mbed will send back analog data to pc.
Changed in this revision
| main.cpp | Show annotated file Show diff for this revision Revisions of this file |
| mbed.bld | Show annotated file Show diff for this revision Revisions of this file |
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Wed Dec 05 15:10:17 2012 +0000
@@ -0,0 +1,155 @@
+#include "mbed.h"
+
+#define SENSOR_NUMBER 3
+
+Serial device(USBTX, USBRX); // tx, rx
+
+DigitalOut myLed1(LED1);
+DigitalOut myLed2(LED2);
+DigitalOut myLed3(LED3);
+
+AnalogIn ain1(p15);
+AnalogIn ain2(p16);
+AnalogIn ain3(p17);
+AnalogIn ain4(p18);
+AnalogIn ain5(p19);
+AnalogIn ain6(p20);
+
+I2C i2c(p9,p10);
+
+void getInit(void);
+void sendData(void);
+
+typedef struct{
+ int id;
+ int analogNumber;
+ int length;
+}sensor_t;
+sensor_t sensor[SENSOR_NUMBER];
+
+
+int main() {
+ device.baud(115200);
+ /*
+ i2c.frequency(40000);
+ char cmd[6];
+ char add[1];
+ char init[2];
+ add[0] = 0x01;
+ init[0] = 0x2A;
+ init[1] = 0x01;
+ while(i2c.write(0x3A,init,2));
+ */
+
+ myLed1 = 0;
+ myLed2 = 0;
+ myLed3 = 0;
+
+ getInit();
+ myLed1 = 1;
+ sendData();
+
+}
+
+
+void getInit()
+{
+ int valueNumber = 0;
+ int getValue = 0;
+ int sensorCount = 0;
+ int allSensorData = 1;
+
+ while(1){
+ if(device.readable()){
+ valueNumber++;
+ getValue = device.getc();
+ switch(valueNumber){
+ case 1:
+ allSensorData = getValue;
+ break;
+ case 2:
+ sensor[sensorCount/3].id = getValue;
+ sensorCount++;
+ break;
+ case 3:
+ sensor[(sensorCount-1)/3].analogNumber = getValue;
+ sensorCount++;
+ break;
+ case 4:
+ sensor[(sensorCount-2)/3].length = getValue;
+ sensorCount++;
+ valueNumber = 1;
+ break;
+ }
+ }
+ if(sensorCount > allSensorData-1)break;
+ }
+}
+
+void sendData()
+{
+ int valueNumber = 0;
+ int id = 0;
+ int getValue = 0;
+ int checkSum = 0;
+ int analogNumberTill = 0;
+ int analogNumber = 0;
+ char sendData[8];
+ int analogData[10] = {0};
+
+ while(1){
+ if(device.readable()){
+ valueNumber++;
+ getValue = device.getc();
+ switch(valueNumber){
+ case 1: //get ID
+ id = getValue;
+ sendData[0] = id;
+ break;
+ case 2: //get analog data
+ analogData[0] = ain1.read_u16();
+ analogData[1] = ain2.read_u16();
+ analogData[2] = ain3.read_u16();
+ analogData[3] = ain4.read_u16();
+ analogData[4] = ain5.read_u16();
+ analogData[5] = ain6.read_u16();
+
+ //calc which data to get
+ for(int i=0; i<id; i++){
+ analogNumberTill += sensor[i].analogNumber;
+ }
+
+ if(getValue == 0xFE){
+ analogNumber = sensor[id].analogNumber;
+ }else{
+ analogNumber = 1;
+ }
+
+ //analog data to send
+ for(int i=0; i<analogNumber; i++){
+ if(sensor[id].length == 2){
+ sendData[i*2+1] = analogData[i+analogNumberTill] >> 8;
+ sendData[i*2+2] = analogData[i+analogNumberTill] & 0xFF;
+ }else if(sensor[id].length == 1){
+ sendData[i+1] = analogData[i+analogNumberTill] & 0xFF;
+ }
+ }
+
+ //senddata
+ for(int i=0; i < sensor[id].length*analogNumber+1; i++){
+ device.putc(sendData[i]);
+ checkSum += sendData[i];
+ }
+ device.putc(checkSum & 0xFF);
+
+ checkSum = 0;
+ valueNumber = 0;
+ analogNumberTill = 0;
+ id = 0;
+ analogNumber = 0;
+
+ break;
+ }
+ }
+ }
+}
\ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Wed Dec 05 15:10:17 2012 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/b60934f96c0c \ No newline at end of file