MtM+ / BMA250E

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Dependents:   MtConnect04S_Bike_Proximity Mt05_MtSense03

Files at this revision

API Documentation at this revision

Revision 1:b6bb47e17a9a, committed 2018-04-27

Comitter:
johnathanlyu
Date:
Fri Apr 27 09:54:54 2018 +0000
Parent:
0:8273e9b80c39
Commit message:
update library flow

Changed in this revision

BMA250E.cpp Show annotated file Show diff for this revision Revisions of this file
BMA250E.h Show annotated file Show diff for this revision Revisions of this file 
--- a/BMA250E.cpp	Mon Dec 19 06:07:10 2016 +0000
+++ b/BMA250E.cpp	Fri Apr 27 09:54:54 2018 +0000
@@ -20,21 +20,23 @@
 /******************************* 
  * Public methods
  *******************************/
-BMA250E::BMA250E(PinName i2c_sda, PinName i2c_scl, PinName interrupt1_pinname, PinName interrupt2_pinname)
+BMA250E::BMA250E(PinName i2c_sda, PinName i2c_scl, PinName interrupt1_pinname, PinName interrupt2_pinname,uint8_t range, uint8_t bandwith)
     : i2c_(i2c_sda, i2c_scl), 
       interrupt1_pinname_(interrupt1_pinname),
       interrupt1_(interrupt1_pinname),
       interrupt2_pinname_(interrupt2_pinname),  
-      interrupt2_(interrupt2_pinname) {
+      interrupt2_(interrupt2_pinname),
+      range_(range), bandwith_(bandwith) {
+          
     /* Basic */
-    RegWrite(0x14, 0xB6);   // softreset
-    RegWrite(0x0F, 0x03);   // range((+/-)2G)
-    RegWrite(0x10, 0x0C);   // bandwidth(125Hz)
+    RegWrite(0x14, 0xB6);        // softreset
+    RegWrite(0x0F, range_);      // range
+    RegWrite(0x10, bandwith_);   // bandwidth
     
     /* Interrupt */
     RegWrite(0x16, 0x00);   // Disable all interrupts
     RegWrite(0x17, 0x00);   // 
-    RegWrite(0x20, 0x00);   // int1_od(PP), int1_lvl(Low active), int2_od(PP), int2_lvl(Low active)
+    RegWrite(0x20, 0x00);   // int1_od(PP), int1_lvl(Low active), int2_od(PP), int2a_lvl(Low active)
     RegWrite(0x21, 0x80);   // reset_int, latch_int(non_latched)
 }
 
@@ -51,6 +53,7 @@
     xyz[0] >>= 6;
     xyz[1] >>= 6;
     xyz[2] >>= 6;
+    
 }
 
 void BMA250E::NewData(void(*fptr)(void)) {
@@ -152,4 +155,4 @@
     RegRead (reg, &val, 1);             // Read
     val = (val & ~clr_mask) | set_mask; // Modify
     RegWrite(reg, val);                 // Write
-}
+}
\ No newline at end of file

--- a/BMA250E.h	Mon Dec 19 06:07:10 2016 +0000
+++ b/BMA250E.h	Fri Apr 27 09:54:54 2018 +0000
@@ -24,7 +24,7 @@
 
 class BMA250E {    
 public:
-    BMA250E(PinName i2c_sda, PinName i2c_scl, PinName int1 = NC, PinName int2 = NC);
+    BMA250E(PinName i2c_sda, PinName i2c_scl, PinName int1 = NC, PinName int2 = NC, uint8_t range = 0x03, uint8_t bandwith =0x0C);
     
     void ReadXYZ(int16_t *xyz);
     
@@ -45,6 +45,8 @@
     InterruptIn interrupt1_;
     PinName interrupt2_pinname_;
     InterruptIn interrupt2_;
+    uint8_t range_;
+    uint8_t bandwith_;
     
     void RegWrite(char reg, char  val);
     void RegRead (char reg, char *val, int len);