Diff: BMA180.h

Revision:

0:a5367bd4e404

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/BMA180.h	Tue May 20 15:11:16 2014 +0000
@@ -0,0 +1,79 @@
+/**
+ * @author Jose L. Escalona (virtualmech)
+ */
+
+#ifndef BMA180_H
+#define BMA180_H
+ 
+#include "mbed.h"
+
+#define BMA180_ID       0x00
+#define VERSION         0x01
+#define ACCXLSB         0x02
+#define ACCXMSB         0x03
+#define ACCYLSB         0x04
+#define ACCYMSB         0x05
+#define ACCZLSB         0x06
+#define ACCZMSB         0x07
+#define CTRL_REG0       0x0D
+#define DIS_I2C         0x27    // bit 0 must be 1 for SPI
+#define CTRL_REG3       0x21    // bit 1= new_data_int
+#define RESET           0x10    // soft reset
+
+#define RANGE           0x35
+#define FILTER_BW       0x20
+#define NOISE_POWER     0x30
+
+/*-------------Hardware connections-------------
+VIO----- mbed Vout (3.3 Volt)
+SDI----- mbed mosi (p5)
+SDO----- mbed miso (p6)
+SCK----- mbed sck  (p7)
+CS------ mbed (p8)          // chip select
+(Interrupts not used)   INT----- mbed (p9)          // MBA give a interrupt when ready
+GND----- mbed GND (0 Volt)
+VDO----- mbed Vout (3.3 Volt)
+there are no additional external components used
+//----------------------------------------------*/
+
+/**
+ * BMA180 triple axis, digital interface, accelerometer.
+ */
+class BMA180 {
+
+public:
+    /**
+     * Constructor.
+     *
+     * @param mosi mbed pin to use for MOSI line of SPI interface.
+     * @param miso mbed pin to use for MISO line of SPI interface.
+     * @param sck mbed pin to use for SCK line of SPI interface.
+     * @param cs mbed pin to use for not chip select line of SPI interface.
+     */
+    BMA180(PinName mosi, PinName miso, PinName sck, PinName cs);
+    
+    void soft_reset(void);
+
+    void new_data(void);
+    void write_bits(char u);
+    void write_reg(uint8_t address, char data);
+    char read_reg(uint8_t address);
+    void disable_int(void);
+
+    void ReadAccels_BMA180(int*);
+    
+    //OJO, NO ESTOY SEGURO DE QUE ESTA FUNCION ESTÉ BIEN IMPLEMENTADA
+    void AcelerometroSleep(void);                    //Pone el acelerometro en sleep mode para no consumir energía
+    //OJO, NO ESTOY SEGURO DE QUE ESTA FUNCION ESTÉ BIEN IMPLEMENTADA
+    void AcelerometroWakeUp(void);                   //Pone el acelerometro preparado para medir
+    void AcelerometroLeeOffsets(int *);              //Lee los valores de los 3 offsets: x, y, z 
+    void AcelerometroEscribeOffsets(char *);         //Escribe los valores de los 3 offsets: x, y, z  
+    
+    private:
+
+    SPI        spi_;
+    DigitalOut nCS_;
+
+};
+
+#endif /* BMA180_H */
\ No newline at end of file