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Accelerometer library finished with 2 functions 1 for Init and 1 for data reading.

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Guilhem Chambaud 2023-04-07 14:26:51 +02:00
parent 8530d2a8a1
commit 51aa50f505
4 changed files with 31 additions and 43 deletions
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42
implementation/accelerometer.c
View file

@ -3,28 +3,22 @@
#include "MySPI.h"
#include "gpio.h"
void accelerometre()
void Init_accelerometre()
{
int dataX ;
float GX ;
int dataY ;
float GY;
int dataZ ;
float GZ;
//char testReg;
char testReg;
MySPI_Init(SPI1);
MySPI_Clear_NSS(); //CS LOW
MySPI_Send(0x2D);//Registre Auto_sleep + Write + measure a 1
MySPI_Send(0x08);// désactive
MySPI_Set_NSS();//CS HIGH
/*
MySPI_Clear_NSS(); //CS LOW
MySPI_Send(0xAD);// regisstre 0x2D en lecture
testReg = MySPI_Read(); // lecture de la valeur du registre
MySPI_Set_NSS();//CS HIGH
*/
MySPI_Clear_NSS(); //CS LOW
MySPI_Send(0X2C);//Registre power consuption + Write
@ -35,23 +29,31 @@ void accelerometre()
MySPI_Send(0x31);//registre Data format + write
MySPI_Send(0x17);//
MySPI_Set_NSS();//CS HIGH
}
void Lecture_accelerometre(float *GX, float* GY, float* GZ)
{
int dataX ;
int dataY ;
int dataZ ;
MySPI_Clear_NSS(); //CS LOW
MySPI_Send(0xF2);
dataX = MySPI_Read()<<8;
dataX |= MySPI_Read();
dataX &= 0xE;
GX = dataX*0.004;
MySPI_Send(0xF2);//lecture 1er registre accéléromètre + lecture multibytes
dataX = MySPI_Read()<<8; // données sur 13 bits passage 8 bit en PF
dataX |= MySPI_Read(); //lecture SPI
dataX &= 0xE; //masquage au dessus du bit 13
*GX = dataX*0.004;//valeur du registre x pas accelerometre
dataY = MySPI_Read()<<8;
dataY |= MySPI_Read();
dataY &= 0xE;
GY = dataY*0.004;
*GY = dataY*0.004;
dataZ = MySPI_Read()<<8;
dataZ |= MySPI_Read();
dataZ &= 0xE;
GZ = dataZ*0.004;
*GZ = dataZ*0.004;
MySPI_Set_NSS();//CS HIGH
}

4
implementation/accelerometer.h
View file

@ -2,7 +2,7 @@
#define INC_ACCELEROMETER_H_
#include "../driver/MySPI.h"
void accelerometre();
void Init_accelerometre();
void Lecture_accelerometre(float *GX, float* GY, float* GZ);
#endif

6
keilproject/Source/Principale.c
View file

@ -3,9 +3,11 @@
#include "MySPI.h"
#include "accelerometer.h"
float GX, GY, GZ;
int main (void)
{
Init_accelerometre();
while(1){
accelerometre();};
Lecture_accelerometre(&GX,&GY,&GZ);
};
}

22
keilproject/voilier.uvoptx
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@ -339,9 +339,9 @@
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@ -350,23 +350,7 @@
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