SDI 2014/2015
Lab 3
Revision 0:c35bb278c5d4, committed 2015-01-14
- Comitter:
- serenabpolito
- Date:
- Wed Jan 14 11:31:47 2015 +0000
- Commit message:
- Lab 3
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/MMA8451Q.lib Wed Jan 14 11:31:47 2015 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/emilmont/code/MMA8451Q/#c4d879a39775
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Wed Jan 14 11:31:47 2015 +0000
@@ -0,0 +1,73 @@
+#include "mbed.h"
+#include "MMA8451Q.h"
+#include "SPI.h"
+#include "DigitalOut.h"
+
+
+
+
+PinName const mosi = PTD2; //mosi SPI1_mosi
+PinName const miso = PTD3; //miso SPI1_miso
+PinName const sck = PTD1; //sck SPI1_sck
+PinName const pcs0 = PTD0; //pcs0 SPI1_pcs0
+
+
+#define MMA8451_I2C_ADDRESS (0x1d<<1)
+
+
+
+//instanzia e inizializza oggettto spi della classe SPI
+SPI spi(mosi,miso,sck);
+
+DigitalOut slave_select(pcs0,1); //inizializza slave-select
+
+
+
+//int spi_write(character,location)
+//{
+//int command = 1000000;
+//int location
+//spi
+//(char)(65+1)
+//char charecter
+
+
+
+int main(void)
+{
+
+ //comunicazione con SPI
+ int bits = 8;
+ int mode = 1;
+ spi.format(bits,mode);//definisce formato spi con 16 bit e pol=0 e pha=1
+ //di default la frequenza è 1MHz
+
+ char character;
+ char lettura;
+ int i;
+ while(1)
+ {
+ int command_wr=128; //comando per la scrittura (10000DDD), di default nella locazione DDD=000
+ //int command_rd=0; //comando per la lettura (00000DDD), dib default nella locazione DDD=000
+ //for(i=0;i<7;i++)
+ //{
+ //character=(char)(65+i);
+ //scrittura
+ slave_select.write(0);
+ spi.write(133);
+ spi.write(3);
+ slave_select.write(1);
+ printf("Carattere in ingresso %c\n",character);
+ //command_wr++;
+
+ //lettura
+ //slave_select.write(0);
+ //spi.write(command_rd);
+ // lettura=(char)spi.write((int)character);
+ //slave_select.write(1);
+ //printf("Carattere in uscita %c\n",lettura);
+ // command_rd++;
+ // }
+ }
+}
+
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Wed Jan 14 11:31:47 2015 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/4fc01daae5a5 \ No newline at end of file