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<div id="projectbrief">Universal wireless communication library for Arduino</div>
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<div class="title">EspHal.h</div> </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="preprocessor">#ifndef ESP_HAL_H</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="preprocessor">#define ESP_HAL_H</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span>  </div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">// include RadioLib</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="preprocessor">#include <RadioLib.h></span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span>  </div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">// this example only works on ESP32 and is unlikely to work on ESP32S2/S3 etc.</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">// if you need high portability, you should probably use Arduino anyway ...</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="preprocessor">#if CONFIG_IDF_TARGET_ESP32 == 0</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor"> #error Target is not ESP32!</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span>  </div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment">// include all the dependencies</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#include "freertos/FreeRTOS.h"</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#include "freertos/task.h"</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#include "esp32/rom/gpio.h"</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#include "soc/rtc.h"</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#include "soc/dport_reg.h"</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#include "soc/spi_reg.h"</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include "soc/spi_struct.h"</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include "driver/gpio.h"</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include "hal/gpio_hal.h"</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include "esp_timer.h"</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include "esp_log.h"</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  </div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment">// define Arduino-style macros</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#define LOW (0x0)</span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#define HIGH (0x1)</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#define INPUT (0x01)</span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#define OUTPUT (0x03)</span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#define RISING (0x01)</span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#define FALLING (0x02)</span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor">#define NOP() asm volatile ("nop"</span>)</div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  </div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor">#define MATRIX_DETACH_OUT_SIG (0x100)</span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor">#define MATRIX_DETACH_IN_LOW_PIN (0x30)</span></div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  </div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="comment">// all of the following is needed to calculate SPI clock divider</span></div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="preprocessor">#define ClkRegToFreq(reg) (apb_freq / (((reg)->clkdiv_pre + 1) * ((reg)->clkcnt_n + 1)))</span></div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  </div>
<div class="line"><a name="l00041"></a><span class="lineno"><a class="line" href="unionspi_clk__t.html"> 41</a></span> <span class="keyword">typedef</span> <span class="keyword">union </span>{</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  uint32_t value;</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="keyword">struct </span>{</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  uint32_t clkcnt_l: 6;</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  uint32_t clkcnt_h: 6;</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  uint32_t clkcnt_n: 6;</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  uint32_t clkdiv_pre: 13;</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  uint32_t clk_equ_sysclk: 1;</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  };</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> } <a class="code" href="unionspi_clk__t.html">spiClk_t</a>;</div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  </div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> uint32_t getApbFrequency() {</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  rtc_cpu_freq_config_t conf;</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  rtc_clk_cpu_freq_get_config(&conf);</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  </div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="keywordflow">if</span>(conf.freq_mhz >= 80) {</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keywordflow">return</span>(80 * MHZ);</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  }</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  </div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keywordflow">return</span>((conf.source_freq_mhz * MHZ) / conf.div);</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> }</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  </div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> uint32_t spiFrequencyToClockDiv(uint32_t freq) {</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  uint32_t apb_freq = getApbFrequency();</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keywordflow">if</span>(freq >= apb_freq) {</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keywordflow">return</span> SPI_CLK_EQU_SYSCLK;</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  }</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  </div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keyword">const</span> <a class="code" href="unionspi_clk__t.html">spiClk_t</a> minFreqReg = { 0x7FFFF000 };</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  uint32_t minFreq = ClkRegToFreq((<a class="code" href="unionspi_clk__t.html">spiClk_t</a>*) &minFreqReg);</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="keywordflow">if</span>(freq < minFreq) {</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keywordflow">return</span> minFreqReg.value;</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  }</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  </div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  uint8_t calN = 1;</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <a class="code" href="unionspi_clk__t.html">spiClk_t</a> bestReg = { 0 };</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  int32_t bestFreq = 0;</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="keywordflow">while</span>(calN <= 0x3F) {</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <a class="code" href="unionspi_clk__t.html">spiClk_t</a> reg = { 0 };</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  int32_t calFreq;</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  int32_t calPre;</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  int8_t calPreVari = -2;</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  </div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  reg.clkcnt_n = calN;</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  </div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keywordflow">while</span>(calPreVari++ <= 1) {</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  calPre = (((apb_freq / (reg.clkcnt_n + 1)) / freq) - 1) + calPreVari;</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="keywordflow">if</span>(calPre > 0x1FFF) {</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  reg.clkdiv_pre = 0x1FFF;</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span>(calPre <= 0) {</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  reg.clkdiv_pre = 0;</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  reg.clkdiv_pre = calPre;</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  }</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  reg.clkcnt_l = ((reg.clkcnt_n + 1) / 2);</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  calFreq = ClkRegToFreq(&reg);</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="keywordflow">if</span>(calFreq == (int32_t) freq) {</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  memcpy(&bestReg, &reg, <span class="keyword">sizeof</span>(bestReg));</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span>(calFreq < (int32_t) freq) {</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="keywordflow">if</span>(RADIOLIB_ABS(freq - calFreq) < RADIOLIB_ABS(freq - bestFreq)) {</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  bestFreq = calFreq;</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  memcpy(&bestReg, &reg, <span class="keyword">sizeof</span>(bestReg));</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  }</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  }</div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  }</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="keywordflow">if</span>(calFreq == (int32_t) freq) {</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  }</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  calN++;</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  }</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="keywordflow">return</span>(bestReg.value);</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>  </div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span> <span class="comment">// create a new ESP-IDF hardware abstraction layer</span></div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span> <span class="comment">// the HAL must inherit from the base RadioLibHal class</span></div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span> <span class="comment">// and implement all of its virtual methods</span></div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span> <span class="comment">// this is pretty much just copied from Arduino ESP32 core</span></div>
<div class="line"><a name="l00119"></a><span class="lineno"><a class="line" href="class_esp_hal.html"> 119</a></span> <span class="keyword">class </span><a class="code" href="class_esp_hal.html">EspHal</a> : <span class="keyword">public</span> <a class="code" href="class_radio_lib_hal.html">RadioLibHal</a> {</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="keyword">public</span>:</div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="comment">// default constructor - initializes the base HAL and any needed private members</span></div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <a class="code" href="class_esp_hal.html">EspHal</a>(int8_t sck, int8_t miso, int8_t mosi)</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  : <a class="code" href="class_radio_lib_hal.html#ae75a54271cb8bea37d32dd146b9c6513">RadioLibHal</a>(INPUT, OUTPUT, LOW, HIGH, RISING, FALLING),</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  spiSCK(sck), spiMISO(miso), spiMOSI(mosi) {</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  }</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  </div>
<div class="line"><a name="l00127"></a><span class="lineno"><a class="line" href="class_esp_hal.html#a8d0f76eaeb787f13fe8e938678d44616"> 127</a></span>  <span class="keywordtype">void</span> <a class="code" href="class_esp_hal.html#a8d0f76eaeb787f13fe8e938678d44616">init</a>()<span class="keyword"> override </span>{</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="comment">// we only need to init the SPI here</span></div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <a class="code" href="class_esp_hal.html#a960996535b8a28b59c8b72aeffff1826">spiBegin</a>();</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  }</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  </div>
<div class="line"><a name="l00132"></a><span class="lineno"><a class="line" href="class_esp_hal.html#a698f840f9ba329d0fb1cc70a9228e2a9"> 132</a></span>  <span class="keywordtype">void</span> <a class="code" href="class_esp_hal.html#a698f840f9ba329d0fb1cc70a9228e2a9">term</a>()<span class="keyword"> override </span>{</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="comment">// we only need to stop the SPI here</span></div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <a class="code" href="class_esp_hal.html#ae0c2bcd6d667e475bbaf9ddfc6ebaede">spiEnd</a>();</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  }</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  </div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="comment">// GPIO-related methods (pinMode, digitalWrite etc.) should check</span></div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="comment">// RADIOLIB_NC as an alias for non-connected pins</span></div>
<div class="line"><a name="l00139"></a><span class="lineno"><a class="line" href="class_esp_hal.html#a38acd30617d2b0c9b143ea1107ba55f7"> 139</a></span>  <span class="keywordtype">void</span> <a class="code" href="class_esp_hal.html#a38acd30617d2b0c9b143ea1107ba55f7">pinMode</a>(uint32_t pin, uint32_t mode)<span class="keyword"> override </span>{</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="keywordflow">if</span>(pin == RADIOLIB_NC) {</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  }</div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  </div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  gpio_hal_context_t gpiohal;</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  gpiohal.dev = GPIO_LL_GET_HW(GPIO_PORT_0);</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  </div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  gpio_config_t conf = {</div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  .pin_bit_mask = (1ULL<<pin),</div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  .mode = (gpio_mode_t)mode,</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  .pull_up_en = GPIO_PULLUP_DISABLE,</div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  .pull_down_en = GPIO_PULLDOWN_DISABLE,</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  .intr_type = (gpio_int_type_t)gpiohal.dev->pin[pin].int_type,</div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  };</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  gpio_config(&conf);</div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  }</div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  </div>
<div class="line"><a name="l00157"></a><span class="lineno"><a class="line" href="class_esp_hal.html#a87444b51d97006fad15779ca5d28367c"> 157</a></span>  <span class="keywordtype">void</span> <a class="code" href="class_esp_hal.html#a87444b51d97006fad15779ca5d28367c">digitalWrite</a>(uint32_t pin, uint32_t value)<span class="keyword"> override </span>{</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <span class="keywordflow">if</span>(pin == RADIOLIB_NC) {</div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  }</div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  </div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  gpio_set_level((gpio_num_t)pin, value);</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  }</div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  </div>
<div class="line"><a name="l00165"></a><span class="lineno"><a class="line" href="class_esp_hal.html#a17a4fcce63fa2f51d9be5ae5d48fc10b"> 165</a></span>  uint32_t <a class="code" href="class_esp_hal.html#a17a4fcce63fa2f51d9be5ae5d48fc10b">digitalRead</a>(uint32_t pin)<span class="keyword"> override </span>{</div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <span class="keywordflow">if</span>(pin == RADIOLIB_NC) {</div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="keywordflow">return</span>(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>  </div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="keywordflow">return</span>(gpio_get_level((gpio_num_t)pin));</div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  }</div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  </div>
<div class="line"><a name="l00173"></a><span class="lineno"><a class="line" href="class_esp_hal.html#a0ac4296d4bede9dd1d65e3e2fce12985"> 173</a></span>  <span class="keywordtype">void</span> <a class="code" href="class_esp_hal.html#a0ac4296d4bede9dd1d65e3e2fce12985">attachInterrupt</a>(uint32_t interruptNum, <span class="keywordtype">void</span> (*interruptCb)(<span class="keywordtype">void</span>), uint32_t mode)<span class="keyword"> override </span>{</div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <span class="keywordflow">if</span>(interruptNum == RADIOLIB_NC) {</div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  }</div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  </div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  gpio_install_isr_service((<span class="keywordtype">int</span>)ESP_INTR_FLAG_IRAM);</div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  gpio_set_intr_type((gpio_num_t)interruptNum, (gpio_int_type_t)(mode & 0x7));</div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  </div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="comment">// this uses function typecasting, which is not defined when the functions have different signatures</span></div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <span class="comment">// untested and might not work</span></div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  gpio_isr_handler_add((gpio_num_t)interruptNum, (<span class="keywordtype">void</span> (*)(<span class="keywordtype">void</span>*))interruptCb, NULL);</div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  }</div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  </div>
<div class="line"><a name="l00186"></a><span class="lineno"><a class="line" href="class_esp_hal.html#a3eebb2aef3219a5aba7b21c098b170f8"> 186</a></span>  <span class="keywordtype">void</span> <a class="code" href="class_esp_hal.html#a3eebb2aef3219a5aba7b21c098b170f8">detachInterrupt</a>(uint32_t interruptNum)<span class="keyword"> override </span>{</div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  <span class="keywordflow">if</span>(interruptNum == RADIOLIB_NC) {</div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  <span class="keywordflow">return</span>;</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>  </div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  gpio_isr_handler_remove((gpio_num_t)interruptNum);</div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  gpio_wakeup_disable((gpio_num_t)interruptNum);</div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  gpio_set_intr_type((gpio_num_t)interruptNum, GPIO_INTR_DISABLE);</div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  }</div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  </div>
<div class="line"><a name="l00196"></a><span class="lineno"><a class="line" href="class_esp_hal.html#a3f969910c1354d0ad92a7283d4fbc477"> 196</a></span>  <span class="keywordtype">void</span> <a class="code" href="class_esp_hal.html#a3f969910c1354d0ad92a7283d4fbc477">delay</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> ms)<span class="keyword"> override </span>{</div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  vTaskDelay(ms / portTICK_PERIOD_MS);</div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  }</div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  </div>
<div class="line"><a name="l00200"></a><span class="lineno"><a class="line" href="class_esp_hal.html#a7e1183e95e651bcccbed041d28ecedaa"> 200</a></span>  <span class="keywordtype">void</span> <a class="code" href="class_esp_hal.html#a7e1183e95e651bcccbed041d28ecedaa">delayMicroseconds</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> us)<span class="keyword"> override </span>{</div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  uint64_t m = (uint64_t)esp_timer_get_time();</div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  <span class="keywordflow">if</span>(us) {</div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  uint64_t e = (m + us);</div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  <span class="keywordflow">if</span>(m > e) { <span class="comment">// overflow</span></div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  <span class="keywordflow">while</span>((uint64_t)esp_timer_get_time() > e) {</div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  NOP();</div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  }</div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  }</div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  <span class="keywordflow">while</span>((uint64_t)esp_timer_get_time() < e) {</div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  NOP();</div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  }</div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  }</div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  }</div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  </div>
<div class="line"><a name="l00215"></a><span class="lineno"><a class="line" href="class_esp_hal.html#a3282dda7cf77988e10ff015763b2c582"> 215</a></span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> <a class="code" href="class_esp_hal.html#a3282dda7cf77988e10ff015763b2c582">millis</a>()<span class="keyword"> override </span>{</div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  <span class="keywordflow">return</span>((<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span>)(esp_timer_get_time() / 1000ULL));</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>  </div>
<div class="line"><a name="l00219"></a><span class="lineno"><a class="line" href="class_esp_hal.html#a14e1e7205a3a0465101eb99bdac86973"> 219</a></span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> <a class="code" href="class_esp_hal.html#a14e1e7205a3a0465101eb99bdac86973">micros</a>()<span class="keyword"> override </span>{</div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  <span class="keywordflow">return</span>((<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span>)(esp_timer_get_time()));</div>
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  }</div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  </div>
<div class="line"><a name="l00223"></a><span class="lineno"><a class="line" href="class_esp_hal.html#a02d00f8b2337d39390910f453e140de8"> 223</a></span>  <span class="keywordtype">long</span> <a class="code" href="class_esp_hal.html#a02d00f8b2337d39390910f453e140de8">pulseIn</a>(uint32_t pin, uint32_t state, <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> timeout)<span class="keyword"> override </span>{</div>
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  <span class="keywordflow">if</span>(pin == RADIOLIB_NC) {</div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  <span class="keywordflow">return</span>(0);</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>  this-><a class="code" href="class_esp_hal.html#a38acd30617d2b0c9b143ea1107ba55f7">pinMode</a>(pin, INPUT);</div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  uint32_t start = this-><a class="code" href="class_esp_hal.html#a14e1e7205a3a0465101eb99bdac86973">micros</a>();</div>
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  uint32_t curtick = this-><a class="code" href="class_esp_hal.html#a14e1e7205a3a0465101eb99bdac86973">micros</a>();</div>
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  </div>
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  <span class="keywordflow">while</span>(this-><a class="code" href="class_esp_hal.html#a17a4fcce63fa2f51d9be5ae5d48fc10b">digitalRead</a>(pin) == state) {</div>
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  <span class="keywordflow">if</span>((this-><a class="code" href="class_esp_hal.html#a14e1e7205a3a0465101eb99bdac86973">micros</a>() - curtick) > timeout) {</div>
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  <span class="keywordflow">return</span>(0);</div>
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  }</div>
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  }</div>
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  </div>
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  <span class="keywordflow">return</span>(this-><a class="code" href="class_esp_hal.html#a14e1e7205a3a0465101eb99bdac86973">micros</a>() - start);</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>  </div>
<div class="line"><a name="l00241"></a><span class="lineno"><a class="line" href="class_esp_hal.html#a960996535b8a28b59c8b72aeffff1826"> 241</a></span>  <span class="keywordtype">void</span> <a class="code" href="class_esp_hal.html#a960996535b8a28b59c8b72aeffff1826">spiBegin</a>() {</div>
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  <span class="comment">// enable peripheral</span></div>
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  DPORT_SET_PERI_REG_MASK(DPORT_PERIP_CLK_EN_REG, DPORT_SPI2_CLK_EN);</div>
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  DPORT_CLEAR_PERI_REG_MASK(DPORT_PERIP_RST_EN_REG, DPORT_SPI2_RST);</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>  <span class="comment">// reset the control struct</span></div>
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  this->spi->slave.trans_done = 0;</div>
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  this->spi->slave.val = 0;</div>
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  this->spi->pin.val = 0;</div>
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  this->spi->user.val = 0;</div>
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  this->spi->user1.val = 0;</div>
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  this->spi->ctrl.val = 0;</div>
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  this->spi->ctrl1.val = 0;</div>
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  this->spi->ctrl2.val = 0;</div>
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  this->spi->clock.val = 0;</div>
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  this->spi->user.usr_mosi = 1;</div>
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  this->spi->user.usr_miso = 1;</div>
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  this->spi->user.doutdin = 1;</div>
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  <span class="keywordflow">for</span>(uint8_t i = 0; i < 16; i++) {</div>
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  this->spi->data_buf[i] = 0x00000000;</div>
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  }</div>
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  </div>
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  <span class="comment">// set SPI mode 0</span></div>
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  this->spi->pin.ck_idle_edge = 0;</div>
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  this->spi->user.ck_out_edge = 0;</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>  <span class="comment">// set bit order to MSB first</span></div>
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  this->spi->ctrl.wr_bit_order = 0;</div>
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  this->spi->ctrl.rd_bit_order = 0;</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>  <span class="comment">// set the clock</span></div>
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  this->spi->clock.val = spiFrequencyToClockDiv(2000000);</div>
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  </div>
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  <span class="comment">// initialize pins</span></div>
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  this-><a class="code" href="class_esp_hal.html#a38acd30617d2b0c9b143ea1107ba55f7">pinMode</a>(this->spiSCK, OUTPUT);</div>
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  this-><a class="code" href="class_esp_hal.html#a38acd30617d2b0c9b143ea1107ba55f7">pinMode</a>(this->spiMISO, INPUT);</div>
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  this-><a class="code" href="class_esp_hal.html#a38acd30617d2b0c9b143ea1107ba55f7">pinMode</a>(this->spiMOSI, OUTPUT);</div>
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  gpio_matrix_out(this->spiSCK, HSPICLK_OUT_IDX, <span class="keyword">false</span>, <span class="keyword">false</span>);</div>
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  gpio_matrix_in(this->spiMISO, HSPIQ_OUT_IDX, <span class="keyword">false</span>);</div>
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  gpio_matrix_out(this->spiMOSI, HSPID_IN_IDX, <span class="keyword">false</span>, <span class="keyword">false</span>);</div>
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  }</div>
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  </div>
<div class="line"><a name="l00283"></a><span class="lineno"><a class="line" href="class_esp_hal.html#a1a552e8a34dcbe532171efd4f1d08ec9"> 283</a></span>  <span class="keywordtype">void</span> <a class="code" href="class_esp_hal.html#a1a552e8a34dcbe532171efd4f1d08ec9">spiBeginTransaction</a>() {</div>
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  <span class="comment">// not needed - in ESP32 Arduino core, this function</span></div>
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  <span class="comment">// repeats clock div, mode and bit order configuration</span></div>
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  }</div>
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  </div>
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  uint8_t spiTransferByte(uint8_t b) {</div>
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  this->spi->mosi_dlen.usr_mosi_dbitlen = 7;</div>
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  this->spi->miso_dlen.usr_miso_dbitlen = 7;</div>
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  this->spi->data_buf[0] = b;</div>
<div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  this->spi->cmd.usr = 1;</div>
<div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  <span class="keywordflow">while</span>(this->spi->cmd.usr);</div>
<div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  <span class="keywordflow">return</span>(this->spi->data_buf[0] & 0xFF);</div>
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  }</div>
<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  </div>
<div class="line"><a name="l00297"></a><span class="lineno"><a class="line" href="class_esp_hal.html#afe94bf2e29c22898916b59c00a3dd23f"> 297</a></span>  <span class="keywordtype">void</span> <a class="code" href="class_esp_hal.html#afe94bf2e29c22898916b59c00a3dd23f">spiTransfer</a>(uint8_t* out, <span class="keywordtype">size_t</span> len, uint8_t* in) {</div>
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  <span class="keywordflow">for</span>(<span class="keywordtype">size_t</span> i = 0; i < len; i++) {</div>
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  in[i] = this->spiTransferByte(out[i]);</div>
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  }</div>
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  }</div>
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  </div>
<div class="line"><a name="l00303"></a><span class="lineno"><a class="line" href="class_esp_hal.html#a213a813fd83d86105977e1c781381510"> 303</a></span>  <span class="keywordtype">void</span> <a class="code" href="class_esp_hal.html#a213a813fd83d86105977e1c781381510">spiEndTransaction</a>() {</div>
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  <span class="comment">// nothing needs to be done here</span></div>
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  }</div>
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  </div>
<div class="line"><a name="l00307"></a><span class="lineno"><a class="line" href="class_esp_hal.html#ae0c2bcd6d667e475bbaf9ddfc6ebaede"> 307</a></span>  <span class="keywordtype">void</span> <a class="code" href="class_esp_hal.html#ae0c2bcd6d667e475bbaf9ddfc6ebaede">spiEnd</a>() {</div>
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  <span class="comment">// detach pins</span></div>
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  gpio_matrix_out(this->spiSCK, MATRIX_DETACH_OUT_SIG, <span class="keyword">false</span>, <span class="keyword">false</span>);</div>
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  gpio_matrix_in(this->spiMISO, MATRIX_DETACH_IN_LOW_PIN, <span class="keyword">false</span>);</div>
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  gpio_matrix_out(this->spiMOSI, MATRIX_DETACH_OUT_SIG, <span class="keyword">false</span>, <span class="keyword">false</span>);</div>
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  }</div>
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  </div>
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  <span class="keyword">private</span>:</div>
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  <span class="comment">// the HAL can contain any additional private members</span></div>
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  int8_t spiSCK;</div>
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  int8_t spiMISO;</div>
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  int8_t spiMOSI;</div>
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  spi_dev_t * spi = (<span class="keyword">volatile</span> spi_dev_t *)(DR_REG_SPI2_BASE);</div>
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span> };</div>
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  </div>
<div class="line"><a name="l00322"></a><span class="lineno"> 322</span> <span class="preprocessor">#endif</span></div>
<div class="ttc" id="aclass_esp_hal_html"><div class="ttname"><a href="class_esp_hal.html">EspHal</a></div><div class="ttdef"><b>Definition:</b> EspHal.h:119</div></div>
<div class="ttc" id="aclass_esp_hal_html_a02d00f8b2337d39390910f453e140de8"><div class="ttname"><a href="class_esp_hal.html#a02d00f8b2337d39390910f453e140de8">EspHal::pulseIn</a></div><div class="ttdeci">long pulseIn(uint32_t pin, uint32_t state, unsigned long timeout) override</div><div class="ttdoc">Measure the length of incoming digital pulse in microseconds. Must be implemented by the platform-spe...</div><div class="ttdef"><b>Definition:</b> EspHal.h:223</div></div>
<div class="ttc" id="aclass_esp_hal_html_a0ac4296d4bede9dd1d65e3e2fce12985"><div class="ttname"><a href="class_esp_hal.html#a0ac4296d4bede9dd1d65e3e2fce12985">EspHal::attachInterrupt</a></div><div class="ttdeci">void attachInterrupt(uint32_t interruptNum, void(*interruptCb)(void), uint32_t mode) override</div><div class="ttdoc">Method to attach function to an external interrupt. Must be implemented by the platform-specific hard...</div><div class="ttdef"><b>Definition:</b> EspHal.h:173</div></div>
<div class="ttc" id="aclass_esp_hal_html_a14e1e7205a3a0465101eb99bdac86973"><div class="ttname"><a href="class_esp_hal.html#a14e1e7205a3a0465101eb99bdac86973">EspHal::micros</a></div><div class="ttdeci">unsigned long micros() override</div><div class="ttdoc">Get number of microseconds since start. Must be implemented by the platform-specific hardware abstrac...</div><div class="ttdef"><b>Definition:</b> EspHal.h:219</div></div>
<div class="ttc" id="aclass_esp_hal_html_a17a4fcce63fa2f51d9be5ae5d48fc10b"><div class="ttname"><a href="class_esp_hal.html#a17a4fcce63fa2f51d9be5ae5d48fc10b">EspHal::digitalRead</a></div><div class="ttdeci">uint32_t digitalRead(uint32_t pin) override</div><div class="ttdoc">Digital read method. Must be implemented by the platform-specific hardware abstraction!</div><div class="ttdef"><b>Definition:</b> EspHal.h:165</div></div>
<div class="ttc" id="aclass_esp_hal_html_a1a552e8a34dcbe532171efd4f1d08ec9"><div class="ttname"><a href="class_esp_hal.html#a1a552e8a34dcbe532171efd4f1d08ec9">EspHal::spiBeginTransaction</a></div><div class="ttdeci">void spiBeginTransaction()</div><div class="ttdoc">Method to start SPI transaction.</div><div class="ttdef"><b>Definition:</b> EspHal.h:283</div></div>
<div class="ttc" id="aclass_esp_hal_html_a213a813fd83d86105977e1c781381510"><div class="ttname"><a href="class_esp_hal.html#a213a813fd83d86105977e1c781381510">EspHal::spiEndTransaction</a></div><div class="ttdeci">void spiEndTransaction()</div><div class="ttdoc">Method to end SPI transaction.</div><div class="ttdef"><b>Definition:</b> EspHal.h:303</div></div>
<div class="ttc" id="aclass_esp_hal_html_a3282dda7cf77988e10ff015763b2c582"><div class="ttname"><a href="class_esp_hal.html#a3282dda7cf77988e10ff015763b2c582">EspHal::millis</a></div><div class="ttdeci">unsigned long millis() override</div><div class="ttdoc">Get number of milliseconds since start. Must be implemented by the platform-specific hardware abstrac...</div><div class="ttdef"><b>Definition:</b> EspHal.h:215</div></div>
<div class="ttc" id="aclass_esp_hal_html_a38acd30617d2b0c9b143ea1107ba55f7"><div class="ttname"><a href="class_esp_hal.html#a38acd30617d2b0c9b143ea1107ba55f7">EspHal::pinMode</a></div><div class="ttdeci">void pinMode(uint32_t pin, uint32_t mode) override</div><div class="ttdoc">GPIO pin mode (input/output/...) configuration method. Must be implemented by the platform-specific h...</div><div class="ttdef"><b>Definition:</b> EspHal.h:139</div></div>
<div class="ttc" id="aclass_esp_hal_html_a3eebb2aef3219a5aba7b21c098b170f8"><div class="ttname"><a href="class_esp_hal.html#a3eebb2aef3219a5aba7b21c098b170f8">EspHal::detachInterrupt</a></div><div class="ttdeci">void detachInterrupt(uint32_t interruptNum) override</div><div class="ttdoc">Method to detach function from an external interrupt. Must be implemented by the platform-specific ha...</div><div class="ttdef"><b>Definition:</b> EspHal.h:186</div></div>
<div class="ttc" id="aclass_esp_hal_html_a3f969910c1354d0ad92a7283d4fbc477"><div class="ttname"><a href="class_esp_hal.html#a3f969910c1354d0ad92a7283d4fbc477">EspHal::delay</a></div><div class="ttdeci">void delay(unsigned long ms) override</div><div class="ttdoc">Blocking wait function. Must be implemented by the platform-specific hardware abstraction!</div><div class="ttdef"><b>Definition:</b> EspHal.h:196</div></div>
<div class="ttc" id="aclass_esp_hal_html_a698f840f9ba329d0fb1cc70a9228e2a9"><div class="ttname"><a href="class_esp_hal.html#a698f840f9ba329d0fb1cc70a9228e2a9">EspHal::term</a></div><div class="ttdeci">void term() override</div><div class="ttdoc">Module termination method. This will be called by all radio modules when the destructor is called....</div><div class="ttdef"><b>Definition:</b> EspHal.h:132</div></div>
<div class="ttc" id="aclass_esp_hal_html_a7e1183e95e651bcccbed041d28ecedaa"><div class="ttname"><a href="class_esp_hal.html#a7e1183e95e651bcccbed041d28ecedaa">EspHal::delayMicroseconds</a></div><div class="ttdeci">void delayMicroseconds(unsigned long us) override</div><div class="ttdoc">Blocking microsecond wait function. Must be implemented by the platform-specific hardware abstraction...</div><div class="ttdef"><b>Definition:</b> EspHal.h:200</div></div>
<div class="ttc" id="aclass_esp_hal_html_a87444b51d97006fad15779ca5d28367c"><div class="ttname"><a href="class_esp_hal.html#a87444b51d97006fad15779ca5d28367c">EspHal::digitalWrite</a></div><div class="ttdeci">void digitalWrite(uint32_t pin, uint32_t value) override</div><div class="ttdoc">Digital write method. Must be implemented by the platform-specific hardware abstraction!</div><div class="ttdef"><b>Definition:</b> EspHal.h:157</div></div>
<div class="ttc" id="aclass_esp_hal_html_a8d0f76eaeb787f13fe8e938678d44616"><div class="ttname"><a href="class_esp_hal.html#a8d0f76eaeb787f13fe8e938678d44616">EspHal::init</a></div><div class="ttdeci">void init() override</div><div class="ttdoc">Module initialization method. This will be called by all radio modules at the beginning of startup....</div><div class="ttdef"><b>Definition:</b> EspHal.h:127</div></div>
<div class="ttc" id="aclass_esp_hal_html_a960996535b8a28b59c8b72aeffff1826"><div class="ttname"><a href="class_esp_hal.html#a960996535b8a28b59c8b72aeffff1826">EspHal::spiBegin</a></div><div class="ttdeci">void spiBegin()</div><div class="ttdoc">SPI initialization method.</div><div class="ttdef"><b>Definition:</b> EspHal.h:241</div></div>
<div class="ttc" id="aclass_esp_hal_html_ae0c2bcd6d667e475bbaf9ddfc6ebaede"><div class="ttname"><a href="class_esp_hal.html#ae0c2bcd6d667e475bbaf9ddfc6ebaede">EspHal::spiEnd</a></div><div class="ttdeci">void spiEnd()</div><div class="ttdoc">SPI termination method.</div><div class="ttdef"><b>Definition:</b> EspHal.h:307</div></div>
<div class="ttc" id="aclass_esp_hal_html_afe94bf2e29c22898916b59c00a3dd23f"><div class="ttname"><a href="class_esp_hal.html#afe94bf2e29c22898916b59c00a3dd23f">EspHal::spiTransfer</a></div><div class="ttdeci">void spiTransfer(uint8_t *out, size_t len, uint8_t *in)</div><div class="ttdoc">Method to transfer buffer over SPI.</div><div class="ttdef"><b>Definition:</b> EspHal.h:297</div></div>
<div class="ttc" id="aclass_radio_lib_hal_html"><div class="ttname"><a href="class_radio_lib_hal.html">RadioLibHal</a></div><div class="ttdoc">Hardware abstraction library base interface.</div><div class="ttdef"><b>Definition:</b> Hal.h:13</div></div>
<div class="ttc" id="aclass_radio_lib_hal_html_ae75a54271cb8bea37d32dd146b9c6513"><div class="ttname"><a href="class_radio_lib_hal.html#ae75a54271cb8bea37d32dd146b9c6513">RadioLibHal::RadioLibHal</a></div><div class="ttdeci">RadioLibHal(const uint32_t input, const uint32_t output, const uint32_t low, const uint32_t high, const uint32_t rising, const uint32_t falling)</div><div class="ttdoc">Default constructor.</div><div class="ttdef"><b>Definition:</b> Hal.cpp:3</div></div>
<div class="ttc" id="aunionspi_clk__t_html"><div class="ttname"><a href="unionspi_clk__t.html">spiClk_t</a></div><div class="ttdef"><b>Definition:</b> EspHal.h:41</div></div>
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