476 lines
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476 lines
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 <span id="projectnumber">0.4</span>
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<div class="title">pca9532.c</div> </div>
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<div class="contents">
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/*****************************************************************************</span></div>
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<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> *</span></div>
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<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * Copyright(C) 2011, Embedded Artists AB</span></div>
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<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * All rights reserved.</span></div>
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<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> *</span></div>
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<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> ******************************************************************************</span></div>
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<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * Software that is described herein is for illustrative purposes only</span></div>
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<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * which provides customers with programming information regarding the</span></div>
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<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * products. This software is supplied "AS IS" without any warranties.</span></div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> * Embedded Artists AB assumes no responsibility or liability for the</span></div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * use of the software, conveys no license or title under any patent,</span></div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * copyright, or mask work right to the product. Embedded Artists AB</span></div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * reserves the right to make changes in the software without</span></div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * notification. Embedded Artists AB also make no representation or</span></div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> * warranty that such application will be suitable for the specified</span></div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * use without further testing or modification.</span></div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> *****************************************************************************/</span></div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> </div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment">/*</span></div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"> * NOTE: I2C must have been initialized before calling any functions in this</span></div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment"> * file.</span></div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment"> */</span></div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> </div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment">/******************************************************************************</span></div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment"> * Includes</span></div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment"> *****************************************************************************/</span></div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include "../../board.h"</span></div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> </div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#if BOARD == BOARD_EA4357</span></div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor"></span></div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#include "lpc43xx_i2c.h"</span></div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#include "lpc43xx_cgu.h"</span></div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor">#include "lpc_types.h"</span></div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#include "pca9532.h"</span></div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> </div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="comment">/******************************************************************************</span></div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="comment"> * Defines and typedefs</span></div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="comment"> *****************************************************************************/</span></div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> </div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="preprocessor">#define I2C_PORT (LPC_I2C0)</span></div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="preprocessor"></span></div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="preprocessor">#define LS_MODE_ON 0x01</span></div>
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="preprocessor"></span><span class="preprocessor">#define LS_MODE_BLINK0 0x02</span></div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="preprocessor"></span><span class="preprocessor">#define LS_MODE_BLINK1 0x03</span></div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="preprocessor"></span></div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="comment">/******************************************************************************</span></div>
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="comment"> * External global variables</span></div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="comment"> *****************************************************************************/</span></div>
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<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> </div>
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> </div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="comment">/******************************************************************************</span></div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="comment"> * Local variables</span></div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="comment"> *****************************************************************************/</span></div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> </div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="keyword">static</span> uint16_t blink0Shadow = 0;</div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="keyword">static</span> uint16_t blink1Shadow = 0;</div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="keyword">static</span> uint16_t ledStateShadow = 0;</div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> </div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="comment">/******************************************************************************</span></div>
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="comment"> * Local Functions</span></div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="comment"> *****************************************************************************/</span></div>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span> </div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="keyword">static</span> Status I2CWrite(uint32_t addr, uint8_t* buf, uint32_t len)</div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span> {</div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  I2C_M_SETUP_Type i2cData;</div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> </div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  i2cData.sl_addr7bit = addr;</div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  i2cData.tx_data = buf;</div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  i2cData.tx_length = len;</div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  i2cData.rx_data = NULL;</div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  i2cData.rx_length = 0;</div>
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  i2cData.retransmissions_max = 3;</div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span> </div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keywordflow">return</span> I2C_MasterTransferData(I2C_PORT, &i2cData, I2C_TRANSFER_POLLING);</div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span> }</div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span> </div>
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<div class="line"><a name="l00077"></a><span class="lineno"> 77</span> <span class="keyword">static</span> Status I2CRead(uint32_t addr, uint8_t* buf, uint32_t len)</div>
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<div class="line"><a name="l00078"></a><span class="lineno"> 78</span> {</div>
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<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  I2C_M_SETUP_Type i2cData;</div>
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<div class="line"><a name="l00080"></a><span class="lineno"> 80</span> </div>
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<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  i2cData.sl_addr7bit = addr;</div>
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<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  i2cData.tx_data = NULL;</div>
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<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  i2cData.tx_length = 0;</div>
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<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  i2cData.rx_data = buf;</div>
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<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  i2cData.rx_length = len;</div>
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<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  i2cData.retransmissions_max = 3;</div>
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<div class="line"><a name="l00087"></a><span class="lineno"> 87</span> </div>
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<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="keywordflow">return</span> I2C_MasterTransferData(I2C_PORT, &i2cData, I2C_TRANSFER_POLLING);</div>
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<div class="line"><a name="l00089"></a><span class="lineno"> 89</span> }</div>
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<div class="line"><a name="l00090"></a><span class="lineno"> 90</span> </div>
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<div class="line"><a name="l00091"></a><span class="lineno"> 91</span> <span class="keyword">static</span> <span class="keywordtype">void</span> setLsStates(uint16_t states, uint8_t* ls, uint8_t mode)</div>
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<div class="line"><a name="l00092"></a><span class="lineno"> 92</span> {</div>
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<div class="line"><a name="l00093"></a><span class="lineno"> 93</span> <span class="preprocessor">#define IS_LED_SET(bit, x) ( ( ((x) & (bit)) != 0 ) ? 1 : 0 )</span></div>
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<div class="line"><a name="l00094"></a><span class="lineno"> 94</span> <span class="preprocessor"></span></div>
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<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="keywordtype">int</span> i = 0;</div>
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<div class="line"><a name="l00096"></a><span class="lineno"> 96</span> </div>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="keywordflow">for</span> (i = 0; i < 4; i++) {</div>
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<div class="line"><a name="l00098"></a><span class="lineno"> 98</span> </div>
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<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  ls[i] |= ( (IS_LED_SET(0x0001, states)*mode << 0)</div>
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<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  | (IS_LED_SET(0x0002, states)*mode << 2)</div>
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<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  | (IS_LED_SET(0x0004, states)*mode << 4)</div>
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<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  | (IS_LED_SET(0x0008, states)*mode << 6) );</div>
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<div class="line"><a name="l00103"></a><span class="lineno"> 103</span> </div>
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<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  states >>= 4;</div>
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<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  }</div>
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<div class="line"><a name="l00106"></a><span class="lineno"> 106</span> }</div>
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<div class="line"><a name="l00107"></a><span class="lineno"> 107</span> </div>
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<div class="line"><a name="l00108"></a><span class="lineno"> 108</span> <span class="keyword">static</span> <span class="keywordtype">void</span> setLeds(<span class="keywordtype">void</span>)</div>
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<div class="line"><a name="l00109"></a><span class="lineno"> 109</span> {</div>
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<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  uint8_t buf[5];</div>
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<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  uint8_t ls[4] = {0,0,0,0};</div>
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<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  uint16_t states = ledStateShadow;</div>
|
|
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span> </div>
|
|
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="comment">/* LEDs in On/Off state */</span></div>
|
|
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  setLsStates(states, ls, LS_MODE_ON);</div>
|
|
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span> </div>
|
|
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="comment">/* set the LEDs that should blink */</span></div>
|
|
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  setLsStates(blink0Shadow, ls, LS_MODE_BLINK0);</div>
|
|
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  setLsStates(blink1Shadow, ls, LS_MODE_BLINK1);</div>
|
|
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span> </div>
|
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<div class="line"><a name="l00121"></a><span class="lineno"> 121</span> </div>
|
|
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  buf[0] = PCA9532_LS0 | PCA9532_AUTO_INC;</div>
|
|
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  buf[1] = ls[0];</div>
|
|
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  buf[2] = ls[1];</div>
|
|
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  buf[3] = ls[2];</div>
|
|
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  buf[4] = ls[3];</div>
|
|
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  I2CWrite(PCA9532_I2C_ADDR, buf, 5);</div>
|
|
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span> }</div>
|
|
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span> </div>
|
|
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span> <span class="comment">/******************************************************************************</span></div>
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<div class="line"><a name="l00131"></a><span class="lineno"> 131</span> <span class="comment"> * Public Functions</span></div>
|
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<div class="line"><a name="l00132"></a><span class="lineno"> 132</span> <span class="comment"> *****************************************************************************/</span></div>
|
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<div class="line"><a name="l00133"></a><span class="lineno"> 133</span> </div>
|
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<div class="line"><a name="l00134"></a><span class="lineno"> 134</span> <span class="comment">/******************************************************************************</span></div>
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<div class="line"><a name="l00135"></a><span class="lineno"> 135</span> <span class="comment"> *</span></div>
|
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<div class="line"><a name="l00136"></a><span class="lineno"> 136</span> <span class="comment"> * Description:</span></div>
|
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<div class="line"><a name="l00137"></a><span class="lineno"> 137</span> <span class="comment"> * Initialize the PCA9532 Device</span></div>
|
|
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span> <span class="comment"> *</span></div>
|
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<div class="line"><a name="l00139"></a><span class="lineno"> 139</span> <span class="comment"> *****************************************************************************/</span></div>
|
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<div class="line"><a name="l00140"></a><span class="lineno"> 140</span> <span class="keywordtype">void</span> pca9532_init (<span class="keywordtype">void</span>)</div>
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<div class="line"><a name="l00141"></a><span class="lineno"> 141</span> {</div>
|
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<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="comment">/* nothing to initialize */</span></div>
|
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<div class="line"><a name="l00143"></a><span class="lineno"> 143</span> }</div>
|
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<div class="line"><a name="l00144"></a><span class="lineno"> 144</span> </div>
|
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<div class="line"><a name="l00145"></a><span class="lineno"> 145</span> <span class="comment">/******************************************************************************</span></div>
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<div class="line"><a name="l00146"></a><span class="lineno"> 146</span> <span class="comment"> *</span></div>
|
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<div class="line"><a name="l00147"></a><span class="lineno"> 147</span> <span class="comment"> * Description:</span></div>
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<div class="line"><a name="l00148"></a><span class="lineno"> 148</span> <span class="comment"> * Get the LED states</span></div>
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<div class="line"><a name="l00149"></a><span class="lineno"> 149</span> <span class="comment"> *</span></div>
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<div class="line"><a name="l00150"></a><span class="lineno"> 150</span> <span class="comment"> * Params:</span></div>
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<div class="line"><a name="l00151"></a><span class="lineno"> 151</span> <span class="comment"> * [in] shadow - TRUE if the states should be retrieved from the shadow</span></div>
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<div class="line"><a name="l00152"></a><span class="lineno"> 152</span> <span class="comment"> * variables. The shadow variable are updated when any</span></div>
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<div class="line"><a name="l00153"></a><span class="lineno"> 153</span> <span class="comment"> * of setLeds, setBlink0Leds and/or setBlink1Leds are</span></div>
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<div class="line"><a name="l00154"></a><span class="lineno"> 154</span> <span class="comment"> * called.</span></div>
|
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<div class="line"><a name="l00155"></a><span class="lineno"> 155</span> <span class="comment"> *</span></div>
|
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<div class="line"><a name="l00156"></a><span class="lineno"> 156</span> <span class="comment"> * FALSE if the state should be retrieved from the PCA9532</span></div>
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<div class="line"><a name="l00157"></a><span class="lineno"> 157</span> <span class="comment"> * device. A blinkin LED may be reported as on or off</span></div>
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<div class="line"><a name="l00158"></a><span class="lineno"> 158</span> <span class="comment"> * depending on the state when calling the function.</span></div>
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|
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span> <span class="comment"> *</span></div>
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<div class="line"><a name="l00160"></a><span class="lineno"> 160</span> <span class="comment"> * Returns:</span></div>
|
|
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span> <span class="comment"> * A mask where a 1 indicates that a LED is on (or blinking).</span></div>
|
|
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span> <span class="comment"> *</span></div>
|
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<div class="line"><a name="l00163"></a><span class="lineno"> 163</span> <span class="comment"> *****************************************************************************/</span></div>
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|
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span> uint16_t pca9532_getLedState (uint32_t shadow)</div>
|
|
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span> {</div>
|
|
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  uint8_t buf[2];</div>
|
|
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  uint16_t ret = 0;</div>
|
|
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span> </div>
|
|
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="keywordflow">if</span> (shadow) {</div>
|
|
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="comment">/* a blink LED is reported as on*/</span></div>
|
|
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  ret = (ledStateShadow | blink0Shadow | blink1Shadow);</div>
|
|
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  }</div>
|
|
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span> </div>
|
|
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <span class="comment">/*</span></div>
|
|
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span> <span class="comment"> * A blinking LED may be reported as on or off depending on</span></div>
|
|
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span> <span class="comment"> * its state when reading the Input register.</span></div>
|
|
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span> <span class="comment"> */</span></div>
|
|
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span> </div>
|
|
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  buf[0] = PCA9532_INPUT0;</div>
|
|
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  I2CWrite(PCA9532_I2C_ADDR, buf, 1);</div>
|
|
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span> </div>
|
|
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  I2CRead(PCA9532_I2C_ADDR, buf, 1);</div>
|
|
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  ret = buf[0];</div>
|
|
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span> </div>
|
|
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span> </div>
|
|
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  buf[0] = PCA9532_INPUT1;</div>
|
|
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  I2CWrite(PCA9532_I2C_ADDR, buf, 1);</div>
|
|
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span> </div>
|
|
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  I2CRead(PCA9532_I2C_ADDR, buf, 1);</div>
|
|
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  ret |= (buf[0] << 8);</div>
|
|
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span> </div>
|
|
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span> </div>
|
|
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  <span class="comment">/* invert since LEDs are active low */</span></div>
|
|
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  ret = ((~ret) & 0xFFFF);</div>
|
|
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  }</div>
|
|
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span> </div>
|
|
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <span class="keywordflow">return</span> (ret & ~PCA9532_NOT_USED);</div>
|
|
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span> }</div>
|
|
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span> </div>
|
|
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span> </div>
|
|
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span> <span class="comment">/******************************************************************************</span></div>
|
|
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span> <span class="comment"> *</span></div>
|
|
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span> <span class="comment"> * Description:</span></div>
|
|
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span> <span class="comment"> * Set LED states (on or off).</span></div>
|
|
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span> <span class="comment"> *</span></div>
|
|
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span> <span class="comment"> * Params:</span></div>
|
|
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span> <span class="comment"> * [in] ledOnMask - The LEDs that should be turned on. This mask has</span></div>
|
|
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span> <span class="comment"> * priority over ledOffMask</span></div>
|
|
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span> <span class="comment"> * [in] ledOffMask - The LEDs that should be turned off.</span></div>
|
|
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span> <span class="comment"> *</span></div>
|
|
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span> <span class="comment"> *****************************************************************************/</span></div>
|
|
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span> <span class="keywordtype">void</span> pca9532_setLeds (uint16_t ledOnMask, uint16_t ledOffMask)</div>
|
|
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span> {</div>
|
|
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  <span class="comment">/* turn off leds */</span></div>
|
|
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  ledStateShadow &= (~(ledOffMask) & 0xffff);</div>
|
|
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span> </div>
|
|
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  <span class="comment">/* ledOnMask has priority over ledOffMask */</span></div>
|
|
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  ledStateShadow |= ledOnMask;</div>
|
|
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span> </div>
|
|
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <span class="comment">/* turn off blinking */</span></div>
|
|
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  blink0Shadow &= (~(ledOffMask) & 0xffff);</div>
|
|
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  blink1Shadow &= (~(ledOffMask) & 0xffff);</div>
|
|
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span> </div>
|
|
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  setLeds();</div>
|
|
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span> }</div>
|
|
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span> </div>
|
|
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span> <span class="comment">/******************************************************************************</span></div>
|
|
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span> <span class="comment"> *</span></div>
|
|
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span> <span class="comment"> * Description:</span></div>
|
|
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span> <span class="comment"> * Set the blink period for PWM0. Valid values are 0 - 255 where 0</span></div>
|
|
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span> <span class="comment"> * means 152 Hz and 255 means 0.59 Hz. A value of 151 means 1 Hz.</span></div>
|
|
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span> <span class="comment"> *</span></div>
|
|
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span> <span class="comment"> * Params:</span></div>
|
|
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span> <span class="comment"> * [in] period - the period for pwm0</span></div>
|
|
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span> <span class="comment"> *</span></div>
|
|
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span> <span class="comment"> *****************************************************************************/</span></div>
|
|
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span> <span class="keywordtype">void</span> pca9532_setBlink0Period(uint8_t period)</div>
|
|
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span> {</div>
|
|
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  uint8_t buf[2];</div>
|
|
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span> </div>
|
|
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  buf[0] = PCA9532_PSC0;</div>
|
|
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  buf[1] = period;</div>
|
|
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  I2CWrite(PCA9532_I2C_ADDR, buf, 2);</div>
|
|
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span> }</div>
|
|
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span> </div>
|
|
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span> <span class="comment">/******************************************************************************</span></div>
|
|
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span> <span class="comment"> *</span></div>
|
|
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span> <span class="comment"> * Description:</span></div>
|
|
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span> <span class="comment"> * Set the duty cycle for PWM0. Valid values are 0 - 100. 25 means the LED</span></div>
|
|
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span> <span class="comment"> * is on 25% of the period.</span></div>
|
|
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span> <span class="comment"> *</span></div>
|
|
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span> <span class="comment"> * Params:</span></div>
|
|
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span> <span class="comment"> * [in] duty - duty cycle</span></div>
|
|
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span> <span class="comment"> *</span></div>
|
|
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span> <span class="comment"> *****************************************************************************/</span></div>
|
|
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span> <span class="keywordtype">void</span> pca9532_setBlink0Duty(uint8_t duty)</div>
|
|
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span> {</div>
|
|
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  uint8_t buf[2];</div>
|
|
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  uint32_t tmp = duty;</div>
|
|
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  <span class="keywordflow">if</span> (tmp > 100) {</div>
|
|
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  tmp = 100;</div>
|
|
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  }</div>
|
|
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span> </div>
|
|
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  tmp = (256 * tmp)/100;</div>
|
|
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span> </div>
|
|
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  buf[0] = PCA9532_PWM0;</div>
|
|
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  buf[1] = tmp;</div>
|
|
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  I2CWrite(PCA9532_I2C_ADDR, buf, 2);</div>
|
|
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span> }</div>
|
|
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span> </div>
|
|
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span> <span class="comment">/******************************************************************************</span></div>
|
|
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span> <span class="comment"> *</span></div>
|
|
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span> <span class="comment"> * Description:</span></div>
|
|
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span> <span class="comment"> * Set the LEDs that should blink with rate and duty cycle from PWM0.</span></div>
|
|
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span> <span class="comment"> * Blinking is turned off with pca9532_setLeds.</span></div>
|
|
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span> <span class="comment"> *</span></div>
|
|
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span> <span class="comment"> * Params:</span></div>
|
|
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span> <span class="comment"> * [in] ledMask - LEDs that should blink.</span></div>
|
|
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span> <span class="comment"> *</span></div>
|
|
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span> <span class="comment"> *****************************************************************************/</span></div>
|
|
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span> <span class="keywordtype">void</span> pca9532_setBlink0Leds(uint16_t ledMask)</div>
|
|
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span> {</div>
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<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  blink0Shadow |= ledMask;</div>
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<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  setLeds();</div>
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<div class="line"><a name="l00286"></a><span class="lineno"> 286</span> }</div>
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<div class="line"><a name="l00287"></a><span class="lineno"> 287</span> </div>
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<div class="line"><a name="l00288"></a><span class="lineno"> 288</span> <span class="comment">/******************************************************************************</span></div>
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<div class="line"><a name="l00289"></a><span class="lineno"> 289</span> <span class="comment"> *</span></div>
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<div class="line"><a name="l00290"></a><span class="lineno"> 290</span> <span class="comment"> * Description:</span></div>
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<div class="line"><a name="l00291"></a><span class="lineno"> 291</span> <span class="comment"> * Set the blink period for PWM1. Valid values are 0 - 255 where 0</span></div>
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<div class="line"><a name="l00292"></a><span class="lineno"> 292</span> <span class="comment"> * means 152 Hz and 255 means 0.59 Hz. A value of 151 means 1 Hz.</span></div>
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<div class="line"><a name="l00293"></a><span class="lineno"> 293</span> <span class="comment"> *</span></div>
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<div class="line"><a name="l00294"></a><span class="lineno"> 294</span> <span class="comment"> * Params:</span></div>
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<div class="line"><a name="l00295"></a><span class="lineno"> 295</span> <span class="comment"> * [in] period - The period for PWM1</span></div>
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<div class="line"><a name="l00296"></a><span class="lineno"> 296</span> <span class="comment"> *</span></div>
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<div class="line"><a name="l00297"></a><span class="lineno"> 297</span> <span class="comment"> *****************************************************************************/</span></div>
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<div class="line"><a name="l00298"></a><span class="lineno"> 298</span> <span class="keywordtype">void</span> pca9532_setBlink1Period(uint8_t period)</div>
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<div class="line"><a name="l00299"></a><span class="lineno"> 299</span> {</div>
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<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  uint8_t buf[2];</div>
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<div class="line"><a name="l00301"></a><span class="lineno"> 301</span> </div>
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<div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  buf[0] = PCA9532_PSC1;</div>
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<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  buf[1] = period;</div>
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<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  I2CWrite(PCA9532_I2C_ADDR, buf, 2);</div>
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<div class="line"><a name="l00305"></a><span class="lineno"> 305</span> }</div>
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<div class="line"><a name="l00306"></a><span class="lineno"> 306</span> </div>
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<div class="line"><a name="l00307"></a><span class="lineno"> 307</span> <span class="comment">/******************************************************************************</span></div>
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<div class="line"><a name="l00308"></a><span class="lineno"> 308</span> <span class="comment"> *</span></div>
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<div class="line"><a name="l00309"></a><span class="lineno"> 309</span> <span class="comment"> * Description:</span></div>
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<div class="line"><a name="l00310"></a><span class="lineno"> 310</span> <span class="comment"> * Set the duty cycle for PWM1. Valid values are 0 - 100. 25 means the LED</span></div>
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<div class="line"><a name="l00311"></a><span class="lineno"> 311</span> <span class="comment"> * is on 25% of the period.</span></div>
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<div class="line"><a name="l00312"></a><span class="lineno"> 312</span> <span class="comment"> *</span></div>
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<div class="line"><a name="l00313"></a><span class="lineno"> 313</span> <span class="comment"> * Params:</span></div>
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<div class="line"><a name="l00314"></a><span class="lineno"> 314</span> <span class="comment"> * [in] duty - duty cycle.</span></div>
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<div class="line"><a name="l00315"></a><span class="lineno"> 315</span> <span class="comment"> *</span></div>
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<div class="line"><a name="l00316"></a><span class="lineno"> 316</span> <span class="comment"> *****************************************************************************/</span></div>
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<div class="line"><a name="l00317"></a><span class="lineno"> 317</span> <span class="keywordtype">void</span> pca9532_setBlink1Duty(uint8_t duty)</div>
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<div class="line"><a name="l00318"></a><span class="lineno"> 318</span> {</div>
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<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  uint8_t buf[2];</div>
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<div class="line"><a name="l00320"></a><span class="lineno"> 320</span> </div>
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<div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  uint32_t tmp = duty;</div>
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<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  <span class="keywordflow">if</span> (tmp > 100) {</div>
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<div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  tmp = 100;</div>
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<div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  }</div>
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<div class="line"><a name="l00325"></a><span class="lineno"> 325</span> </div>
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<div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  tmp = (256 * tmp)/100;</div>
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<div class="line"><a name="l00327"></a><span class="lineno"> 327</span> </div>
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<div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  buf[0] = PCA9532_PWM1;</div>
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<div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  buf[1] = tmp;</div>
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<div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  I2CWrite(PCA9532_I2C_ADDR, buf, 2);</div>
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<div class="line"><a name="l00331"></a><span class="lineno"> 331</span> }</div>
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<div class="line"><a name="l00332"></a><span class="lineno"> 332</span> </div>
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<div class="line"><a name="l00333"></a><span class="lineno"> 333</span> <span class="comment">/******************************************************************************</span></div>
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<div class="line"><a name="l00334"></a><span class="lineno"> 334</span> <span class="comment"> *</span></div>
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<div class="line"><a name="l00335"></a><span class="lineno"> 335</span> <span class="comment"> * Description:</span></div>
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<div class="line"><a name="l00336"></a><span class="lineno"> 336</span> <span class="comment"> * Set the LEDs that should blink with rate and duty cycle from PWM1.</span></div>
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<div class="line"><a name="l00337"></a><span class="lineno"> 337</span> <span class="comment"> * Blinking is turned off with pca9532_setLeds.</span></div>
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<div class="line"><a name="l00338"></a><span class="lineno"> 338</span> <span class="comment"> *</span></div>
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<div class="line"><a name="l00339"></a><span class="lineno"> 339</span> <span class="comment"> * Params:</span></div>
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<div class="line"><a name="l00340"></a><span class="lineno"> 340</span> <span class="comment"> * [in] ledMask - LEDs that should blink.</span></div>
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<div class="line"><a name="l00341"></a><span class="lineno"> 341</span> <span class="comment"> *</span></div>
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<div class="line"><a name="l00342"></a><span class="lineno"> 342</span> <span class="comment"> *****************************************************************************/</span></div>
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<div class="line"><a name="l00343"></a><span class="lineno"> 343</span> <span class="keywordtype">void</span> pca9532_setBlink1Leds(uint16_t ledMask)</div>
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<div class="line"><a name="l00344"></a><span class="lineno"> 344</span> {</div>
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<div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  blink1Shadow |= ledMask;</div>
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<div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  setLeds();</div>
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<div class="line"><a name="l00347"></a><span class="lineno"> 347</span> }</div>
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<div class="line"><a name="l00348"></a><span class="lineno"> 348</span> </div>
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<div class="line"><a name="l00349"></a><span class="lineno"> 349</span> <span class="preprocessor">#endif</span></div>
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