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<div id="projectname">tinyusb
&#160;<span id="projectnumber">0.4</span>
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<div class="title">acc.c</div> </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;<span class="comment">/*****************************************************************************</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;<span class="comment"> * Copyright(C) 2011, Embedded Artists AB</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;<span class="comment"> * All rights reserved.</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160;<span class="comment"> ******************************************************************************</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<span class="comment"> * Software that is described herein is for illustrative purposes only</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160;<span class="comment"> * which provides customers with programming information regarding the</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;<span class="comment"> * products. This software is supplied &quot;AS IS&quot; without any warranties.</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160;<span class="comment"> * Embedded Artists AB assumes no responsibility or liability for the</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;<span class="comment"> * use of the software, conveys no license or title under any patent,</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;<span class="comment"> * copyright, or mask work right to the product. Embedded Artists AB</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;<span class="comment"> * reserves the right to make changes in the software without</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160;<span class="comment"> * notification. Embedded Artists AB also make no representation or</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;<span class="comment"> * warranty that such application will be suitable for the specified</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160;<span class="comment"> * use without further testing or modification.</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;<span class="comment"> *****************************************************************************/</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;</div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160;</div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160;</div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160;<span class="comment">/******************************************************************************</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160;<span class="comment"> * Includes</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160;<span class="comment"> *****************************************************************************/</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160;<span class="preprocessor">#include &quot;../../board.h&quot;</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160;</div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160;<span class="preprocessor">#if BOARD == BOARD_EA4357</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160;<span class="preprocessor">#include &quot;lpc_types.h&quot;</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160;<span class="preprocessor">#include &quot;lpc43xx_i2c.h&quot;</span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160;<span class="preprocessor">#include &quot;acc.h&quot;</span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160;</div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160;<span class="comment">/******************************************************************************</span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160;<span class="comment"> * Defines and typedefs</span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160;<span class="comment"> *****************************************************************************/</span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160;<span class="preprocessor">#define I2C_PORT (LPC_I2C0)</span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160;<span class="preprocessor">#define ACC_I2C_ADDR (0x1D)</span></div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160;<span class="preprocessor">#define ACC_ADDR_XOUTL 0x00</span></div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define ACC_ADDR_XOUTH 0x01</span></div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define ACC_ADDR_YOUTL 0x02</span></div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define ACC_ADDR_YOUTX 0x03</span></div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define ACC_ADDR_ZOUTL 0x04</span></div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define ACC_ADDR_ZOUTH 0x05</span></div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define ACC_ADDR_XOUT8 0x06</span></div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define ACC_ADDR_YOUT8 0x07</span></div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define ACC_ADDR_ZOUT8 0x08</span></div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define ACC_ADDR_STATUS 0x09</span></div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define ACC_ADDR_DETSRC 0x0A</span></div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define ACC_ADDR_TOUT 0x0B</span></div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define ACC_ADDR_I2CAD 0x0D</span></div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define ACC_ADDR_USRINF 0x0E</span></div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define ACC_ADDR_WHOAMI 0x0F</span></div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define ACC_ADDR_XOFFL 0x10</span></div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define ACC_ADDR_XOFFH 0x11</span></div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define ACC_ADDR_YOFFL 0x12</span></div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define ACC_ADDR_YOFFH 0x13</span></div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define ACC_ADDR_ZOFFL 0x14</span></div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define ACC_ADDR_ZOFFH 0x15</span></div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define ACC_ADDR_MCTL 0x16</span></div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define ACC_ADDR_INTRST 0x17</span></div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define ACC_ADDR_CTL1 0x18</span></div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define ACC_ADDR_CTL2 0x19</span></div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define ACC_ADDR_LDTH 0x1A</span></div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define ACC_ADDR_PDTH 0x1B</span></div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define ACC_ADDR_PW 0x1C</span></div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define ACC_ADDR_LT 0x1D</span></div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define ACC_ADDR_TW 0x1E</span></div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160;<span class="preprocessor">#define ACC_MCTL_MODE(m) ((m) &lt;&lt; 0)</span></div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define ACC_MCTL_GLVL(g) ((g) &lt;&lt; 2)</span></div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160;</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160;<span class="preprocessor">#define ACC_STATUS_DRDY 0x01</span></div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define ACC_STATUS_DOVR 0x02</span></div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define ACC_STATUS_PERR 0x04</span></div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160;</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160;<span class="comment">/******************************************************************************</span></div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160;<span class="comment"> * External global variables</span></div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160;<span class="comment"> *****************************************************************************/</span></div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160;</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160;<span class="comment">/******************************************************************************</span></div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160;<span class="comment"> * Local variables</span></div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160;<span class="comment"> *****************************************************************************/</span></div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160;</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160;<span class="keyword">static</span> Status I2CWrite(uint32_t addr, uint8_t* buf, uint32_t len) </div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160;{</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160; I2C_M_SETUP_Type i2cData;</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160;</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>&#160; i2cData.sl_addr7bit = addr;</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160; i2cData.tx_data = buf;</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160; i2cData.tx_length = len;</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160; i2cData.rx_data = NULL;</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160; i2cData.rx_length = 0;</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160; i2cData.retransmissions_max = 3;</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160;</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160; <span class="keywordflow">return</span> I2C_MasterTransferData(I2C_PORT, &amp;i2cData, I2C_TRANSFER_POLLING);</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>&#160;}</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160;</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160;<span class="keyword">static</span> Status I2CRead(uint32_t addr, uint8_t* buf, uint32_t len) </div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160;{</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>&#160; I2C_M_SETUP_Type i2cData;</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>&#160;</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>&#160; i2cData.sl_addr7bit = addr;</div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>&#160; i2cData.tx_data = NULL;</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>&#160; i2cData.tx_length = 0;</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>&#160; i2cData.rx_data = buf;</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>&#160; i2cData.rx_length = len;</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>&#160; i2cData.retransmissions_max = 3;</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>&#160;</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>&#160; <span class="keywordflow">return</span> I2C_MasterTransferData(I2C_PORT, &amp;i2cData, I2C_TRANSFER_POLLING);</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>&#160;}</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>&#160;</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>&#160;</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>&#160;<span class="keyword">static</span> uint8_t getStatus(<span class="keywordtype">void</span>)</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>&#160;{</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>&#160; uint8_t buf[1];</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>&#160;</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>&#160; buf[0] = ACC_ADDR_STATUS;</div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>&#160; I2CWrite(ACC_I2C_ADDR, buf, 1);</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>&#160; I2CRead(ACC_I2C_ADDR, buf, 1);</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>&#160;</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>&#160; <span class="keywordflow">return</span> buf[0];</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>&#160;}</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>&#160;</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>&#160;<span class="keyword">static</span> uint8_t getModeControl(<span class="keywordtype">void</span>)</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>&#160;{</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>&#160; uint8_t buf[1];</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>&#160;</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>&#160; buf[0] = ACC_ADDR_MCTL;</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>&#160; I2CWrite(ACC_I2C_ADDR, buf, 1);</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>&#160; I2CRead(ACC_I2C_ADDR, buf, 1);</div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>&#160;</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>&#160; <span class="keywordflow">return</span> buf[0];</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>&#160;}</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>&#160;</div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> setModeControl(uint8_t mctl)</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>&#160;{</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>&#160; uint8_t buf[2];</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>&#160;</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>&#160; buf[0] = ACC_ADDR_MCTL;</div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>&#160; buf[1] = mctl;</div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>&#160; I2CWrite(ACC_I2C_ADDR, buf, 2);</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>&#160;}</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>&#160;</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>&#160;<span class="comment">/******************************************************************************</span></div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>&#160;<span class="comment"> * Local Functions</span></div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>&#160;<span class="comment"> *****************************************************************************/</span></div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>&#160;</div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>&#160;<span class="comment">/******************************************************************************</span></div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>&#160;<span class="comment"> * Public Functions</span></div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>&#160;<span class="comment"> *****************************************************************************/</span></div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>&#160;</div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>&#160;<span class="comment">/******************************************************************************</span></div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>&#160;<span class="comment"> * Description:</span></div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>&#160;<span class="comment"> * Initialize the ISL29003 Device</span></div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>&#160;<span class="comment"> *****************************************************************************/</span></div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>&#160;<span class="keywordtype">void</span> acc_init (<span class="keywordtype">void</span>)</div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>&#160;{</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>&#160;</div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>&#160; <span class="comment">/* set to measurement mode by default */</span></div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>&#160;</div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>&#160; setModeControl( (ACC_MCTL_MODE(ACC_MODE_MEASURE)</div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>&#160; | ACC_MCTL_GLVL(ACC_RANGE_2G) ));</div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>&#160;</div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>&#160;}</div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>&#160;</div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>&#160;<span class="comment">/******************************************************************************</span></div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>&#160;<span class="comment"> * Description:</span></div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>&#160;<span class="comment"> * Read accelerometer data</span></div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>&#160;<span class="comment"> * Params:</span></div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>&#160;<span class="comment"> * [out] x - read x value</span></div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>&#160;<span class="comment"> * [out] y - read y value</span></div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>&#160;<span class="comment"> * [out] z - read z value</span></div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>&#160;<span class="comment"> *****************************************************************************/</span></div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>&#160;<span class="keywordtype">void</span> acc_read (int8_t *x, int8_t *y, int8_t *z)</div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>&#160;{</div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>&#160; uint8_t buf[1];</div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>&#160;</div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>&#160; <span class="comment">/* wait for ready flag */</span></div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>&#160; <span class="keywordflow">while</span> ((getStatus() &amp; ACC_STATUS_DRDY) == 0);</div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>&#160;</div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>&#160; <span class="comment">/*</span></div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>&#160;<span class="comment"> * Have experienced problems reading all registers</span></div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>&#160;<span class="comment"> * at once. Change to reading them one-by-one.</span></div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>&#160; buf[0] = ACC_ADDR_XOUT8;</div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>&#160; I2CWrite(ACC_I2C_ADDR, buf, 1);</div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>&#160; I2CRead(ACC_I2C_ADDR, buf, 1);</div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>&#160;</div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>&#160; *x = (int8_t)buf[0];</div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>&#160;</div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>&#160; buf[0] = ACC_ADDR_YOUT8;</div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>&#160; I2CWrite(ACC_I2C_ADDR, buf, 1);</div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>&#160; I2CRead(ACC_I2C_ADDR, buf, 1);</div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>&#160;</div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>&#160; *y = (int8_t)buf[0];</div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>&#160;</div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>&#160; buf[0] = ACC_ADDR_ZOUT8;</div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>&#160; I2CWrite(ACC_I2C_ADDR, buf, 1);</div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>&#160; I2CRead(ACC_I2C_ADDR, buf, 1);</div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>&#160;</div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>&#160; *z = (int8_t)buf[0];</div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>&#160;}</div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>&#160;</div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>&#160;<span class="comment">/******************************************************************************</span></div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>&#160;<span class="comment"> * Description:</span></div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>&#160;<span class="comment"> * Set the g-Range</span></div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>&#160;<span class="comment"> * Params:</span></div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>&#160;<span class="comment"> * [in] range - the g-Range</span></div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>&#160;<span class="comment"> *****************************************************************************/</span></div>
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>&#160;<span class="keywordtype">void</span> acc_setRange(acc_range_t range)</div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>&#160;{</div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>&#160; uint8_t mctl = 0;</div>
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>&#160;</div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>&#160; mctl = getModeControl();</div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>&#160;</div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>&#160; mctl &amp;= ~(0x03 &lt;&lt; 2);</div>
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>&#160; mctl |= ACC_MCTL_GLVL(range);</div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>&#160;</div>
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>&#160; setModeControl(mctl);</div>
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>&#160;}</div>
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>&#160;</div>
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>&#160;<span class="comment">/******************************************************************************</span></div>
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>&#160;<span class="comment"> * Description:</span></div>
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>&#160;<span class="comment"> * Set sensor mode</span></div>
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>&#160;<span class="comment"> * Params:</span></div>
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>&#160;<span class="comment"> * [in] mode - the mode to set</span></div>
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>&#160;<span class="comment"> *****************************************************************************/</span></div>
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>&#160;<span class="keywordtype">void</span> acc_setMode(acc_mode_t mode)</div>
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>&#160;{</div>
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>&#160; uint8_t mctl = 0;</div>
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>&#160;</div>
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>&#160; mctl = getModeControl();</div>
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>&#160;</div>
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>&#160; mctl &amp;= ~(0x03 &lt;&lt; 0);</div>
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>&#160; mctl |= ACC_MCTL_MODE(mode);</div>
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>&#160;</div>
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>&#160; setModeControl(mctl);</div>
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>&#160;}</div>
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>&#160;</div>
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>&#160;<span class="preprocessor">#endif</span></div>
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