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pigweed/third_party/github/hathach/tinyusb/3f6f8ab9610cc52b4f187908623f7dadb19a61d8/./0.4/board__ngx4330_8c_source.html
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&#160;<span id="projectnumber">0.4</span>
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<div class="title">board_ngx4330.c</div> </div>
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<a href="board__ngx4330_8c.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;<span class="comment">/**************************************************************************/</span></div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160;<span class="comment">/**************************************************************************/</span></div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160;</div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160;<span class="preprocessor">#include &quot;../board.h&quot;</span></div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160;</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160;<span class="preprocessor">#if BOARD == BOARD_NGX4330</span></div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160;<span class="preprocessor">#define BOARD_UART_PORT LPC_USART0</span></div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160;<span class="keyword">const</span> <span class="keyword">static</span> <span class="keyword">struct </span>{</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160; uint8_t mux_port;</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160; uint8_t mux_pin;</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160;</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160; uint8_t gpio_port;</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160; uint8_t gpio_pin;</div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160;}leds[] = { {2, 11, 1, 11}, {2, 12, 1,12} };</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160;</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160;<span class="keyword">enum</span> {</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160; BOARD_MAX_LEDS = <span class="keyword">sizeof</span>(leds) / <span class="keyword">sizeof</span>(leds[0])</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160;};</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160;</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160;<span class="keyword">const</span> <span class="keyword">static</span> <span class="keyword">struct </span>{</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160; uint8_t mux_port;</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160; uint8_t mux_pin;</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160;</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160; uint8_t gpio_port;</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160; uint8_t gpio_pin;</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160;}buttons[] = { {0x02, 7, 0, 7 } };</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160;</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160;<span class="keyword">enum</span> {</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160; BOARD_BUTTON_COUNT = <span class="keyword">sizeof</span>(buttons) / <span class="keyword">sizeof</span>(buttons[0])</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160;};</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160;</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160;<span class="keywordtype">void</span> <a class="code" href="group__group__board__api.html#ga916f2adc2080b4fe88034086d107a8dc">board_init</a>(<span class="keywordtype">void</span>)</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160;{</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160; CGU_Init();</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160;</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160;<span class="preprocessor">#if TUSB_CFG_OS == TUSB_OS_NONE // TODO may move to main.c</span></div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160;<span class="preprocessor"></span> SysTick_Config( CGU_GetPCLKFrequency(CGU_PERIPHERAL_M4CORE)/<a class="code" href="group__group__configuration.html#ga4706afa7f3c38e91949610556cac75d3">TUSB_CFG_TICKS_HZ</a> ); <span class="comment">/* 1 ms Timer */</span></div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160; <span class="comment">//------------- USB Bus power HOST ONLY-------------//</span></div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160; scu_pinmux(0x1, 7, MD_PUP | MD_EZI, FUNC4); <span class="comment">// P1_7 USB0_PWR_EN, USB0 VBus function Xplorer</span></div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160;</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160; scu_pinmux(0x2, 6, MD_PUP | MD_EZI, FUNC4); <span class="comment">// P2_6 is configured as GPIO5[6] for USB1_PWR_EN</span></div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160; GPIO_SetDir (5, <a class="code" href="group___group___binary.html#gaa67325f45e71a327f9e4dbb8455f64ee">BIT_</a>(6), 1); <span class="comment">// GPIO5[6] is output</span></div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160; GPIO_SetValue (5, <a class="code" href="group___group___binary.html#gaa67325f45e71a327f9e4dbb8455f64ee">BIT_</a>(6)); <span class="comment">// GPIO5[6] output high</span></div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160;</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160; <span class="comment">//------------- LED -------------//</span></div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160; <span class="keywordflow">for</span> (uint8_t i=0; i&lt;BOARD_MAX_LEDS; i++)</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160; {</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160; scu_pinmux(leds[i].mux_port, leds[i].mux_pin, MD_PUP|MD_EZI|MD_ZI, FUNC0);</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160; GPIO_SetDir(leds[i].gpio_port, <a class="code" href="group___group___binary.html#gaa67325f45e71a327f9e4dbb8455f64ee">BIT_</a>(leds[i].gpio_pin), 1); <span class="comment">// output</span></div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160; }</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160;</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>&#160; <span class="comment">//------------- BUTTONS -------------//</span></div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160; <span class="keywordflow">for</span>(uint8_t i=0; i&lt;BOARD_BUTTON_COUNT; i++)</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160; {</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160; scu_pinmux(buttons[i].mux_port, buttons[i].mux_pin, GPIO_NOPULL, FUNC0);</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160; GPIO_SetDir(buttons[i].gpio_port, <a class="code" href="group___group___binary.html#gaa67325f45e71a327f9e4dbb8455f64ee">BIT_</a>(buttons[i].gpio_pin), 0);</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160; }</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160;</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160; <span class="comment">//------------- UART init -------------//</span></div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>&#160; scu_pinmux(0x6 ,4, MD_PDN | MD_EZI, FUNC2); <span class="comment">// UART0_TXD</span></div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160; scu_pinmux(0x6 ,5, MD_PDN | MD_EZI, FUNC2); <span class="comment">// UART0_RXD</span></div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160;</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160; UART_CFG_Type UARTConfigStruct;</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>&#160; UART_ConfigStructInit(&amp;UARTConfigStruct); <span class="comment">// default: baud = 9600, 8 bit data, 1 stop bit, no parity</span></div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>&#160; UARTConfigStruct.Baud_rate = <a class="code" href="group__group__board.html#gac5a218c8b867e8e1fd1afdeaa107c2c4">CFG_UART_BAUDRATE</a>; <span class="comment">// Re-configure baudrate</span></div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>&#160; UARTConfigStruct.Clock_Speed = 0;</div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>&#160;</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>&#160; UART_Init(BOARD_UART_PORT, &amp;UARTConfigStruct);</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>&#160; UART_TxCmd(BOARD_UART_PORT, ENABLE); <span class="comment">// Enable UART</span></div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>&#160;}</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>&#160;</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>&#160;<span class="comment">//--------------------------------------------------------------------+</span></div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>&#160;<span class="comment">// LEDS</span></div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>&#160;<span class="comment">//--------------------------------------------------------------------+</span></div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>&#160;<span class="keywordtype">void</span> <a class="code" href="group__group__board__api.html#ga92863b323080baae31555ea45d93c404">board_leds</a>(uint32_t on_mask, uint32_t off_mask)</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>&#160;{</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>&#160; <span class="keywordflow">for</span> (uint32_t i=0; i&lt;BOARD_MAX_LEDS; i++)</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>&#160; {</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>&#160; <span class="keywordflow">if</span> ( on_mask &amp; <a class="code" href="group___group___binary.html#gaa67325f45e71a327f9e4dbb8455f64ee">BIT_</a>(i))</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>&#160; {</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>&#160; GPIO_SetValue(leds[i].gpio_port, <a class="code" href="group___group___binary.html#gaa67325f45e71a327f9e4dbb8455f64ee">BIT_</a>(leds[i].gpio_pin));</div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>&#160; }<span class="keywordflow">else</span> <span class="keywordflow">if</span> ( off_mask &amp; <a class="code" href="group___group___binary.html#gaa67325f45e71a327f9e4dbb8455f64ee">BIT_</a>(i)) <span class="comment">// on_mask take precedence over off_mask</span></div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>&#160; {</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>&#160; GPIO_ClearValue(leds[i].gpio_port, <a class="code" href="group___group___binary.html#gaa67325f45e71a327f9e4dbb8455f64ee">BIT_</a>(leds[i].gpio_pin));</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>&#160; }</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>&#160; }</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>&#160;}</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>&#160;</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>&#160;<span class="comment">//--------------------------------------------------------------------+</span></div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>&#160;<span class="comment">// BUTTONS</span></div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>&#160;<span class="comment">//--------------------------------------------------------------------+</span></div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>&#160;<span class="keyword">static</span> <span class="keywordtype">bool</span> button_read(uint8_t <span class="keywordtype">id</span>)</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>&#160;{</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>&#160; <span class="keywordflow">return</span> !<a class="code" href="group___group___binary.html#ga4b95f183978653490c15f71b3028ad0b">BIT_TEST_</a>( GPIO_ReadValue(buttons[<span class="keywordtype">id</span>].gpio_port), buttons[<span class="keywordtype">id</span>].gpio_pin ); <span class="comment">// button is active low</span></div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>&#160;}</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>&#160;</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>&#160;uint32_t <a class="code" href="group__group__board__api.html#gaa1139dcc4b60a802b8e0978340d8b148">board_buttons</a>(<span class="keywordtype">void</span>)</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>&#160;{</div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>&#160; uint32_t result = 0;</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>&#160;</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>&#160; <span class="keywordflow">for</span>(uint8_t i=0; i&lt;BOARD_BUTTON_COUNT; i++) result |= (button_read(i) ? <a class="code" href="group___group___binary.html#gaa67325f45e71a327f9e4dbb8455f64ee">BIT_</a>(i) : 0);</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>&#160;</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>&#160; <span class="keywordflow">return</span> result;</div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>&#160;}</div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>&#160;</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>&#160;<span class="comment">//--------------------------------------------------------------------+</span></div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>&#160;<span class="comment">// UART</span></div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>&#160;<span class="comment">//--------------------------------------------------------------------+</span></div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>&#160;uint8_t <a class="code" href="group__group__board__api.html#ga498fb2d18978388757e4f0f5b243baf2">board_uart_getchar</a>(<span class="keywordtype">void</span>)</div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>&#160;{</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>&#160; <span class="keywordflow">return</span> UART_ReceiveByte(BOARD_UART_PORT);</div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>&#160;}</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>&#160;</div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>&#160;<span class="keywordtype">void</span> <a class="code" href="group__group__board__api.html#ga6883b7ee5aea9c69789e582cb0316fe0">board_uart_putchar</a>(uint8_t c)</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>&#160;{</div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>&#160; UART_Send(BOARD_UART_PORT, &amp;c, 1, BLOCKING);</div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>&#160;}</div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>&#160;</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="ttc" id="group___group___binary_html_gaa67325f45e71a327f9e4dbb8455f64ee"><div class="ttname"><a href="group___group___binary.html#gaa67325f45e71a327f9e4dbb8455f64ee">BIT_</a></div><div class="ttdeci">#define BIT_(n)</div><div class="ttdoc">n-th Bit </div><div class="ttdef"><b>Definition:</b> <a href="binary_8h_source.html#l00054">binary.h:54</a></div></div>
<div class="ttc" id="group__group__board__api_html_ga916f2adc2080b4fe88034086d107a8dc"><div class="ttname"><a href="group__group__board__api.html#ga916f2adc2080b4fe88034086d107a8dc">board_init</a></div><div class="ttdeci">void board_init(void)</div><div class="ttdoc">Initialize all required peripherals on board including uart, led, buttons etc ... ...</div></div>
<div class="ttc" id="group__group__board__api_html_ga92863b323080baae31555ea45d93c404"><div class="ttname"><a href="group__group__board__api.html#ga92863b323080baae31555ea45d93c404">board_leds</a></div><div class="ttdeci">void board_leds(uint32_t on_mask, uint32_t off_mask)</div><div class="ttdoc">Turns on and off leds on the board. </div></div>
<div class="ttc" id="group__group__board__api_html_gaa1139dcc4b60a802b8e0978340d8b148"><div class="ttname"><a href="group__group__board__api.html#gaa1139dcc4b60a802b8e0978340d8b148">board_buttons</a></div><div class="ttdeci">uint32_t board_buttons(void)</div><div class="ttdoc">Get the current state of the buttons on the board. </div></div>
<div class="ttc" id="group___group___binary_html_ga4b95f183978653490c15f71b3028ad0b"><div class="ttname"><a href="group___group___binary.html#ga4b95f183978653490c15f71b3028ad0b">BIT_TEST_</a></div><div class="ttdeci">#define BIT_TEST_(x, n)</div><div class="ttdoc">check if n-th bit of x is 1 </div><div class="ttdef"><b>Definition:</b> <a href="binary_8h_source.html#l00057">binary.h:57</a></div></div>
<div class="ttc" id="group__group__board__api_html_ga6883b7ee5aea9c69789e582cb0316fe0"><div class="ttname"><a href="group__group__board__api.html#ga6883b7ee5aea9c69789e582cb0316fe0">board_uart_putchar</a></div><div class="ttdeci">void board_uart_putchar(uint8_t c)</div><div class="ttdoc">Send a character to UART. </div></div>
<div class="ttc" id="group__group__configuration_html_ga4706afa7f3c38e91949610556cac75d3"><div class="ttname"><a href="group__group__configuration.html#ga4706afa7f3c38e91949610556cac75d3">TUSB_CFG_TICKS_HZ</a></div><div class="ttdeci">#define TUSB_CFG_TICKS_HZ</div><div class="ttdoc">The rate ticks in hert. This is used in conjunction with tusb_tick_get to calculate timing...</div><div class="ttdef"><b>Definition:</b> <a href="configuration_8txt_source.html#l00024">configuration.txt:24</a></div></div>
<div class="ttc" id="group__group__board__api_html_ga498fb2d18978388757e4f0f5b243baf2"><div class="ttname"><a href="group__group__board__api.html#ga498fb2d18978388757e4f0f5b243baf2">board_uart_getchar</a></div><div class="ttdeci">uint8_t board_uart_getchar(void)</div><div class="ttdoc">Get a character input from UART. </div></div>
<div class="ttc" id="group__group__board_html_gac5a218c8b867e8e1fd1afdeaa107c2c4"><div class="ttname"><a href="group__group__board.html#gac5a218c8b867e8e1fd1afdeaa107c2c4">CFG_UART_BAUDRATE</a></div><div class="ttdeci">#define CFG_UART_BAUDRATE</div><div class="ttdoc">Baudrate for UART. </div><div class="ttdef"><b>Definition:</b> <a href="board_8h_source.html#l00119">board.h:119</a></div></div>
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