albatross / Mbed 2 deprecated LAURUS_program_copy

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Dependencies:   ConfigFile SDFileSystem mbed

Fork of LAURUS_program by hiroya taura

Diff: HMC5883L/HMC5883L.cpp

Revision:
0:bc6f14fc60c7
Child:
1:6cd6d2760856
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/HMC5883L/HMC5883L.cpp	Fri May 15 17:24:32 2015 +0000
@@ -0,0 +1,38 @@
+#include "mbed.h"
+#include "HMC5883L.h"
+
+HMC5883L::HMC5883L(I2C* i2c) {
+    this->i2c = i2c;
+}
+
+HMC5883L::~HMC5883L() {
+    i2c = NULL;
+}
+
+int HMC5883L::init() {
+    return 1;
+}
+
+int HMC5883L::read() {
+    char cmd[2] = {0x02, 0x01};
+    int ret = i2c->write(hmc_addr, cmd, 2);
+    if(ret != 0) return 0;
+    
+    cmd[0] = 0x03;
+    i2c->write(hmc_addr, cmd, 1);
+    i2c->read(hmc_addr | 0x01, data.reg, 6, true);
+    
+    // データのHとLが逆に読み込まれているのでスワップする
+    for(int i=0; i<3; i++) {
+        char temp = 0;
+        temp = data.reg[i*2];
+        data.reg[i*2] = data.reg[i*2+1];
+        data.reg[i*2+1] = temp;
+    }
+    
+    int16_t temp = data.value[1];
+    data.value[1] = data.value[2];
+    data.value[2] = temp;
+    
+    return 1;
+}
\ No newline at end of file