mma7455 library  v0.85
MMA7455 3-Axis Accelerometer configuration and measurement functions. Currently supports SPI only.
mma7455.h
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1 
16 #ifndef MMA7455_H
17 #define MMA7455_H
18 
19 #if defined(__cplusplus)
20 extern "C" {
21 #endif
22 
23 
24 #include "simpletools.h" // Include simpletools lib
25 
29 #define MMA7455_XOUTL 0x00 // 10 bits output value X LSB XOUT[7] XOUT[6] XOUT[5] XOUT[4] XOUT[3] XOUT[2] XOUT[1] XOUT[0]
30 
34 #define MMA7455_XOUTH 0x01 // 10 bits output value X MSB -- -- -- -- -- -- XOUT[9] XOUT[8]
35 
39 #define MMA7455_YOUTL 0x02 // 10 bits output value Y LSB YOUT[7] YOUT[6] YOUT[5] YOUT[4] YOUT[3] YOUT[2] YOUT[1] YOUT[0]
40 
44 #define MMA7455_YOUTH 0x03 // 10 bits output value Y MSB -- -- -- -- -- -- YOUT[9] YOUT[8]
45 
49 #define MMA7455_ZOUTL 0x04 // 10 bits output value Z LSB ZOUT[7] ZOUT[6] ZOUT[5] ZOUT[4] ZOUT[3] ZOUT[2] ZOUT[1] ZOUT[0]
50 
54 #define MMA7455_ZOUTH 0x05 // 10 bits output value Z MSB -- -- -- -- -- -- ZOUT[9] ZOUT[8]
55 
59 #define MMA7455_XOUT8 0x06 // 8 bits output value X XOUT[7] XOUT[6] XOUT[5] XOUT[4] XOUT[3] XOUT[2] XOUT[1] XOUT[0]
60 
64 #define MMA7455_YOUT8 0x07 // 8 bits output value Y YOUT[7] YOUT[6] YOUT[5] YOUT[4] YOUT[3] YOUT[2] YOUT[1] YOUT[0]
65 
69 #define MMA7455_ZOUT8 0x08 // 8 bits output value Z ZOUT[7] ZOUT[6] ZOUT[5] ZOUT[4] ZOUT[3] ZOUT[2] ZOUT[1] ZOUT[0]
70 
74 #define MMA7455_STATUS 0x09 // Status registers -- -- -- -- -- PERR DOVR DRDY
75 
79 #define MMA7455_DETSRC 0x0A // Detection source registers LDX LDY LDZ PDX PDY PDZ INT1 INT2
80 
84 #define MMA7455_TOUT 0x0B // "Temperature output value" (Optional) TMP[7] TMP[6] TMP[5] TMP[4] TMP[3] TMP[2] TMP[1] TMP[0]
85 
86 
87 //#define MMA7455_ 0x0C // (Reserved) -- -- -- -- -- -- -- --
88 
92 #define MMA7455_I2CAD 0x0D // I2C device address I 2CDIS DAD[6] DAD[5] DAD[4] DAD[3] DAD[2] DAD[1] DAD[0]
93 
97 #define MMA7455_USRINF 0x0E // User information (Optional) UI[7] UI[6] UI[5] UI[4] UI[3] UI[2] UI[1] UI[0]
98 
102 #define MMA7455_WHOAMI 0x0F // "Who am I" value (Optional) ID[7] ID[6] ID[5] ID[4] ID[3] ID[2] ID[1] ID[0]
103 
107 #define MMA7455_XOFFL 0x10 // Offset drift X value (LSB) XOFF[7] XOFF[6] XOFF[5] XOFF[4] XOFF[3] XOFF[2] XOFF[1] XOFF[0]
108 
112 #define MMA7455_XOFFH 0x11 // Offset drift X value (MSB) -- -- -- -- -- XOFF[10] XOFF[9] XOFF[8]
113 
117 #define MMA7455_YOFFL 0x12 // Offset drift Y value (LSB) YOFF[7] YOFF[6] YOFF[5] YOFF[4] YOFF[3] YOFF[2] YOFF[1] YOFF[0]
118 
122 #define MMA7455_YOFFH 0x13 // Offset drift Y value (MSB) -- -- -- -- -- YOFF[10] YOFF[9] YOFF[8]
123 
127 #define MMA7455_ZOFFL 0x14 // Offset drift Z value (LSB) ZOFF[7] ZOFF[6] ZOFF[5] ZOFF[4] ZOFF[3] ZOFF[2] ZOFF[1] ZOFF[0]
128 
132 #define MMA7455_ZOFFH 0x15 // Offset drift Z value (MSB) -- -- -- -- -- ZOFF[10] ZOFF[9] ZOFF[8]
133 
137 #define MMA7455_MCTL 0x16 // Mode control LPEN DRPD SPI3W STON GLVL[1] GLVL[0] MOD[1] MOD[0]
138 
142 #define MMA7455_INTRST 0x17 // Interrupt latch reset -- -- -- -- -- -- CLRINT2 CLRINT1
143 
147 #define MMA7455_CTL1 0x18 // Control 1 -- THOPT ZDA YDA XDA INTRG[1] INTRG[0] INTPIN
148 
152 #define MMA7455_CTL2 0x19 // Control 2 -- -- -- -- -- DRVO PDPL LDPL
153 
157 #define MMA7455_LDTH 0x1A // Level detection threshold limit value LDTH[7] LDTH[6] LDTH[5] LDTH[4] LDTH[3] LDTH[2] LDTH[1] LDTH[0]
158 
162 #define MMA7455_PDTH 0x1B // Pulse detection threshold limit value PDTH[7] PDTH[6] PDTH[5] PDTH[4] PDTH[3] PDTH[2] PDTH[1] PDTH[0]
163 
167 #define MMA7455_PW 0x1C // Pulse duration value PD[7] PD[6] PD[5] PD[4] PD[3] PD[2] PD[1] PD[0]
168 
172 #define MMA7455_LT 0x1D // Latency time value LT[7] LT[6] LT[5] LT[4] LT[3] LT[2] LT[1] LT[0]
173 
177 #define MMA7455_TW 0x1E // Time window for 2nd pulse value TW[7] TW[6] TW[5] TW[4] TW[3] TW[2] TW[1] TW[0]
178 
179 
184 #define MMA7455_STANDBY 0b00 // Standby mode
185 
190 #define MMA7455_MEASUREMENT 0b01 // Measurement mode
191 
196 #define MMA7455_LEVEL_DETECT 0b10 // Measurement mode
197 
202 #define MMA7455_PULSE_DETECT 0b11 // Measurement mode
203 
204 
208 extern int MMA7455_pinDat;
209 
213 extern int MMA7455_pinClk;
214 
218 extern int MMA7455_pinEn;
219 
223 extern int MMA7455_gRangeVal;
224 
225 
235 void MMA7455_init(int pinData, int pinClock, int pinEnable);
236 
237 
248 void MMA7455_getxyz8(signed char *x, signed char *y, signed char *z);
249 
250 
261 void MMA7455_getxyz10(signed short *x, signed short *y, signed short *z);
262 
263 
271 void MMA7455_setOffsetX(signed short offset);
272 
273 
281 void MMA7455_setOffsetY(signed short offset);
282 
283 
291 void MMA7455_setOffsetZ(signed short offset);
292 
293 
300 unsigned char MMA7455_getMode();
301 
302 
309 void MMA7455_setMode(unsigned char mode);
310 
311 
317 void MMA7455_gRange(unsigned char range);
318 
319 
327 void MMA7455_writeByte(unsigned char address, unsigned char value);
328 
329 
337 unsigned char MMA7455_readByte(unsigned char address);
338 
339 
340 #if defined(__cplusplus)
341 }
342 #endif
343 /* __cplusplus */
344 #endif
345 /* MMA7455_H */
346 
347 
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