Domenico Vitale
/
Accelerometro
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Revision 1:dc6884f965e1, committed 2021-11-03
- Comitter:
- domemort
- Date:
- Wed Nov 03 15:35:25 2021 +0000
- Parent:
- 0:e9410807b683
- Commit message:
- -
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/Accelerometro.cpp Wed Nov 03 15:35:25 2021 +0000
@@ -0,0 +1,40 @@
+#include "mbed.h"
+
+SPI acc(D11, D12, D13);
+DigitalOut cs(D7);
+
+Serial pc(USBTX, USBRX);
+char buffer[6];
+int16_t data[3];
+float x,y,z;
+
+int main(){
+ cs=1;
+ acc.format(8,3);
+ acc.frequency(2000000);
+ cs=0;
+ acc.write(0x31);
+ acc.write(0x0B);
+ cs=1;
+ cs=0;
+ acc.write(0x2D);
+ acc.write(0x08);
+ cs=1;
+ while (1){
+ wait(1);
+ cs=0;
+ acc.write(0x80|0x40|0x32);
+ for (int i=0; i<=5; i++){
+ buffer[i]=acc.write(0x00);
+ }
+ cs=1;
+ data[0] = buffer[1]<<8 | buffer[0];
+ data[1] = buffer[3]<<8 | buffer[2];
+ data[2] = buffer[5]<<8 | buffer[4];
+ x = 0.004*data[0];
+ y = 0.004*data[1];
+ z = 0.004*data[2];
+
+ pc.printf("ax=%1.2fg\t ay=%1.2fg\t az=%1.2fg\n\r", x, y, z);
+ }
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/Accelerometro_SerialPlot.cpp Wed Nov 03 15:35:25 2021 +0000
@@ -0,0 +1,56 @@
+#include "mbed.h"
+
+SPI acc(D11, D12, D13);
+DigitalOut cs(D7);
+
+Serial pc(USBTX, USBRX);
+char buffer[6];
+int16_t data[3];
+float x,y,z;
+unsigned char *chptr;
+
+void sendFloat(float);
+
+int main(){
+ pc.baud(115200);
+ cs=1;
+ acc.format(8,3);
+ acc.frequency(2000000);
+ cs=0;
+ acc.write(0x31);
+ acc.write(0x0B);
+ cs=1;
+ cs=0;
+ acc.write(0x2D);
+ acc.write(0x08);
+ cs=1;
+ while (1){
+ wait(0.01);
+ cs=0;
+ acc.write(0x80|0x40|0x32);
+ for (int i=0; i<=5; i++){
+ buffer[i]=acc.write(0x00);
+ }
+ cs=1;
+ data[0] = buffer[1]<<8 | buffer[0];
+ data[1] = buffer[3]<<8 | buffer[2];
+ data[2] = buffer[5]<<8 | buffer[4];
+ x = 0.004*data[0];
+ y = 0.004*data[1];
+ z = 0.004*data[2];
+
+ pc.putc(0xAA);
+ pc.putc(0xBB);
+ sendFloat(x);
+ sendFloat(y);
+ sendFloat(z);
+ }
+}
+
+
+void sendFloat (float value){
+ chptr = (unsigned char*) &value;
+ for (int i=0; i<4; i++)
+ pc.putc(*(chptr+i));
+ }
+
--- a/main.cpp Tue Nov 02 08:13:07 2021 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,40 +0,0 @@
-#include "mbed.h"
-
-SPI acc(D11, D12, D13);
-DigitalOut cs(D7);
-
-Serial pc(USBTX, USBRX);
-char buffer[6];
-int16_t data[3];
-float x,y,z;
-
-int main(){
- cs=1;
- acc.format(8,3);
- acc.frequency(2000000);
- cs=0;
- acc.write(0x31);
- acc.write(0x0B);
- cs=1;
- cs=0;
- acc.write(0x2D);
- acc.write(0x08);
- cs=1;
- while (1){
- wait(1);
- cs=0;
- acc.write(0x80|0x40|0x32);
- for (int i=0; i<=5; i++){
- buffer[i]=acc.write(0x00);
- }
- cs=1;
- data[0] = buffer[1]<<8 | buffer[0];
- data[1] = buffer[3]<<8 | buffer[2];
- data[2] = buffer[5]<<8 | buffer[4];
- x = 0.004*data[0];
- y = 0.004*data[1];
- z = 0.004*data[2];
-
- pc.printf("ax=%1.2fg\t ay=%1.2fg\t az=%1.2fg\n\r", x, y, z);
- }
-}