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<div class="figure">
[[File:zero2w-img3.png|800px]]
</div>
<div class="figure">
[[File:zero2w-img4.png|800px]]
</div>
<div class="figure">
[[File:zero2w-img5.png|800px]]
</div>
<span id="orange-pi-zero-2w-24pin-expansion-board-interface-details"></span>
== Orange Pi Zero 2w 24pin expansion board interface details ==
<div class="figure">
[[File:zero2w-img6.png|800px]]
</div>
[[File:zero2w-img7.png|800px]]
{| class="wikitable" style="background-color:#ffffdc;width:800px;"
<div class="figure">
[[File:zero2w-img272.png|center|800px]]
</div>
# As can be seen from the table below, the default uarts available in the Android12 TV system are uart2 and uart5. Please note that uart0 is set as a debugging serial port by default. Please do not use uart0 as a normal serial port.
<div style="display: flex;">::{| class="wikitable" style="width:390px;margin-right: 20px;text-align: center;"
|-
| '''GPIO序号GPIO NO.'''
| '''GPIO'''
| '''功能Function'''| '''引脚'''|| '''引脚'''| '''功能'''| '''GPIO'''| '''GPIO序号Pin'''
|-
| style="text-align: left;"|
| '''3.3V'''
| '''1'''
|-
| '''264'''
| '''TWI1-SDA'''
| '''3'''
|-
| '''263'''
| '''TWI1-SCL'''
| '''5'''
|-
| '''269'''
| '''PWM3'''
| '''7'''
|-
| style="text-align: left;"|
| '''GND'''
| '''9'''
|-
| '''<span style="color:#FF0000">226</span>'''| '''<span style="color:#FF0000">PH2</span>'''| '''<span style="color:#FF0000">UART5_TX</span>'''| '''11'''|| '''12'''| <span style="text-aligncolor: left;#FF0000"|| '''PI1'''| '''257>11</span>'''
|-
| '''<span style="color:#FF0000">227</span>'''| '''<span style="color:#FF0000">PH3</span>'''| '''<span style="color:#FF0000">UART5_RX</span>'''| '''13'''|| '''14'''| '''GND'''| <span style="text-aligncolor: left;#FF0000"|| style="text-align: left;"|>13</span>'''
|-
| '''<span style="color:#FF0000">261</span>'''| '''<span style="color:#FF0000">PI5</span>'''| '''<span style="color:#FF0000">UART2_TX</span>'''| '''<span style="color:#FF0000">15'''|| '''16'''| '''PWM4'''| '''PI14'''| '''270</span>'''
|-
| style="text-align: left;"|
| '''3.3V'''
| '''17'''
| '''PH7'''
| '''SPI1_MOSI'''
| '''19'''
|-
| '''232'''
| '''SPI1_MISO'''
| '''21'''
|-
| '''230'''
| '''SPI1_CLK'''
| '''23'''
|-
| style="text-align: left;"|
| '''GND'''
| '''25'''
|-
| '''266'''
| '''TWI2-SDA'''
| '''27'''
|-
| '''256'''
| style="text-align: left;"|
| '''29'''
|-
| '''271'''
| style="text-align: left;"|
| '''31'''
|-
| '''268'''
| '''PWM2'''
| '''33'''
|-
| '''258'''
| style="text-align: left;"|
| '''35'''
|-
| '''272'''
| style="text-align: left;"|
| '''37'''
|-
| style="text-align: left;"|
| '''GND'''
| '''39'''
|}
| '''GPIO'''
|-
| '''2'''
| '''5V'''
| style="text-align: left;"|
|-
| '''4'''
| '''5V'''
| style="text-align: left;"|
|-
| '''6'''
| '''GND'''
| style="text-align: left;"|
|-
| '''8'''
| '''UART0_TX'''
| '''224'''
|-
| '''10'''
| '''UART0_RX'''
| '''225'''
|-
| '''12'''
| style="text-align: left;"|
| '''257'''
|-
| '''14'''
| '''GND'''
| style="text-align: left;"|
|-
| '''16'''
| '''PWM4'''
| '''270'''
|-
| '''18'''
| style="text-align: left;"|
| '''228'''
|-
| '''20'''
| '''GND'''
| style="text-align: left;"|
|-
| '''232'''| '''PH8'''| '''SPI1_MISO'''| '''21'''|| '''<span style="color:#FF0000">22</span>'''| '''<span style="color:#FF0000">UART2_RX</span>'''| '''<span style="color:#FF0000">PI6</span>'''| '''<span style="color:#FF0000">262</span>'''
|-
| '''24'''
| '''SPI1_CS0'''
| '''229'''
|-
| '''26'''
| '''SPI1_CS1'''
| '''233'''
|-
| '''28'''
| '''TWI2-SCL'''
| '''265'''
|-
| '''30'''
| '''GND'''
| style="text-align: left;"|
|-
| '''32'''
| '''PWM1'''
| '''267'''
|-
| '''34'''
| '''GND'''
| style="text-align: left;"|
|-
| '''36'''
| style="text-align: left;"|
| '''PC12'''
| '''76'''
|-
| '''38'''
| style="text-align: left;"|
| '''PI4'''
| '''260'''
|-
| '''40'''
| style="text-align: left;"|
| '''PI3'''
| '''259'''
|}
</div>
<ol start="2" style="list-style-type: decimal;">
<li>The device node corresponding to SPI1 CS0 uart2 is '''/dev/spidev1.0ttyAS2''', and the device node corresponding to SPI1 CS1 uart5 is '''/dev/spidev1.1ttyAS5'''</li>{| class="wikitable" style="width:800px;" |-| </olp> apollo-p2:/ # '''ls /dev/spidev1.ttyAS*'''</p><p>/dev/ttyAS0 /dev/ttyAS1 '''<span style="color:#FF0000">/dev/spidev1.0 ttyAS2 /dev/spidev1.1ttyAS5</span>'''</p>|}</ol>
<ol start="3" style="list-style-type: decimal;">
<li>Here is a demonstration to test the SPI1 interface through the '''w25qxx''' module. First, connect the w25qxx module to open wiringOP APP on the SPI1 interface.desktop</li></ol> '''It doesn't matter if there is no w25qxx module, because there is a SPIFlash on the development board connected to SPI0, and the configuration of SPI0 is also turned on by default in Android, so we can also directly use the onboard SPIFlash for testing.'''
[[File:zero2w-img351.png]]
</ol>
<ol start="4" style="list-style-type: decimal;">
<li>Then click the '''UART_TEST'''button to open wiringOP APP on the desktopUART test interface</li></ol> [[File:zero2w-img351.png]]
[[File:zero2w-img359.png]]
</ol>
<ol start="5" style="list-style-type: decimal;">
<li>Then click the '''SPI_TEST''' button to open the SPI The serial port test interfaceof wiringOP is as shown in the figure below</li></ol> [[File:zero2w-img365.png]]
[[File:zero2w-img360.png]]
</ol>
<ol start="6" style="list-style-type: decimal;">
<li><p>Then select the spi device node in the upper left corner. If you test the onboard SPIFlash directly, just keep the default '''/dev/spidev0.0'ttyAS2''. If the '''w25qxx''' module is connected to the 40pin spi1 cs0, then please selector'''/dev/spidev1.0ttyAS5''', if the w25qxx module is connected to node in the 40pin spi1 cs1, then please select '''/dev/spidev1.1'''selection box</p><div class="figure"p> [[File:zero2w-img366img361.png]] </divp></li><li><p>Then Enter the baud rate you want to set in the edit box, and then click the '''OPEN''' button to initialize open the SPIuart node. After the opening is successful, the '''OPEN''' button becomes unselectable, and the '''CLOSE''' button and '''SEND''' button become selectable.</p></li></ol> [[File:zero2w-img367.png]]
[[File:zero2w-img362.png]]
</ol>
<ol start="8" style="list-style-type: decimal;">
<li><p>Then fill in the bytes that need use Dupont wire to be sent, such as reading short the ID information rx and tx pins of uart</p></li><li><p>Then you can enter a paragraph of the onboard SPIFlash, filling characters in the address 0x9f in data[0], send edit box below and then click the '''TRANSFERSEND''' buttonto start sending.</lip></olli>
[[File:zero2w-img368img363.png]]</ol><ol start="10" style="list-style-type: decimal;"><li>If everything is normal, the received string will be displayed in the receiving box</li>
[[File:zero2w-img364.png]]</ol start><span id="9" style="listpin-spi-styletest-type: decimal;method"><li>Finally, the APP will display the read ID information of the onboard SPI Flash.</li></olspan>
<span iddiv style="pin-i2c-test-methoddisplay: flex;"></span>=== 40pin I2C test method === # As can be seen from the table below, the Android12 TV system has i2c1 and i2c2 turned on by default. ::{| class="wikitable" style="width:390px;margin-right: 20px;text-align: center;"
|-
| '''GPIO serial numberNO.'''
| '''GPIO'''
| '''Function'''
| '''pin'''|| '''pin'''| '''Function'''| '''GPIO'''| '''GPIO serial numberPin'''
|-
| style="text-align: left;"|
| '''3.3V'''
| '''1'''
|-
| '''264'''
| '''TWI1-SDA'''
| '''3'''
|-
| '''263'''
| '''TWI1-SCL'''
| '''5'''
|-
| '''269'''
| '''PWM3'''
| '''7'''
|-
| style="text-align: left;"|
| '''GND'''
| '''9'''
|-
| '''226'''
| '''UART5_TX'''
| '''11'''
|-
| '''227'''
| '''UART5_RX'''
| '''13'''
|-
| '''261'''
| '''UART2_TX'''
| '''15'''
|-
| style="text-align: left;"|
| '''3.3V'''
| '''17'''
|-
| '''231'''
| '''SPI1_MOSI'''
| '''19'''
|-
| '''232'''
| '''SPI1_MISO'''
| '''21'''
|-
| '''230'''
| '''SPI1_CLK'''
| '''23'''
| style="text-align: left;"|
| '''GND'''
| '''25'''
|-
| '''266'''
| '''TWI2-SDA'''
| '''27'''
|-
| '''256'''
| style="text-align: left;"|
| '''29'''
|-
| '''271'''
| style="text-align: left;"|
| '''31'''
|-
| '''268'''
| '''PWM2'''
| '''33'''
|-
| '''258'''
| style="text-align: left;"|
| '''35'''
|}{| '''36'''| class="wikitable" style="width:390px;margin-right: 20px;text-align: leftcenter;"|-| '''Pin'''| '''Function'''| '''PC12GPIO'''| '''76GPIO NO.'''
|-
| '''2722'''| '''PI165V'''
| style="text-align: left;"|
| style="text-align: left;"|
|-
| '''4'''
| '''5V'''
| style="text-align: left;"|
| style="text-align: left;"|
|-
| '''6'''
| '''GND'''
| style="text-align: left;"|
| '''PI3'''| '''259'''|} <ol start="2" style="listtext-style-typealign: decimalleft;">|<li>The device node corresponding to i2c1 is '''/dev/i2c|-1''', and the device node corresponding to i2c2 is '''/dev/i2c-2'''</li></ol> apollo-p2:/ # '''ls /dev/i2c-*| ''' '''/dev/i2c-1 /dev/i2c-2''' /dev/i2c-5 <ol start="3" style="list-style-type: decimal;"><li>First open wiringOP APP on the desktop</li></ol> [[File:zero2w-img351.png]] <ol start="4" style="list-style-type: decimal;"><li>Then click the '''I2C_TEST''' button to open the i2c test interface</li></ol> [[File:zero2w-img370.png]] <ol start="5" style="list-style-type: decimal;"><li>The i2c test interface of wiringOP is shown in the figure below</li></ol> [[File:zero2w-img371.png]] <ol start="6" style="list-style-type: decimal;"><li>Then click the device node selection box in the upper left corner to select the i2c you want to test</li></ol> [[File:zero2w-img372.png]] <ol start="7" style="list-style-type: decimal;"><li>Then connect an i2c device to the 40pin i2c pin. Here we take the ds1307 rtc module as an example.</li></ol> [[File:zero2w-img178.png]] <ol start="8" style="list-style-type: decimal;"><li><p>The i2c address of the ds1307 rtc module is 0x68. After connecting the lines, we can use the '''i2cdetect -y 1''' or '''i2cdetect -y 2''' command on the serial port command line to check whether the i2c address of the ds1307 rtc module can be scanned. If you can see the address 0x68, it means that the ds1307 rtc module is wired correctly.</p><p>apollo-p2:/ # | '''i2cdetect -y 1UART0_TX'''</p><p>| '''OrPH0'''</p><p>apollo-p2:/ # '''i2cdetect -y 2'''</p><p>[[File:zero2w-img373.png]]</p></li><li><p>Then set the i2c address to 0x68 in wiringOP, and then click the '''OPEN''' button to open i2c</p><p>[[File:zero2w-img374.png]]</p></li><li><p>After clicking the '''OPEN''' button to open i2c, the display is as follows</p><p>[[File:zero2w-img375.png]]</p></li><li><p>Then we test writing a value to the register of the rtc module, for example, writing 0x55 to the 0x1c address</p><ol style="list-style-type: lower-alpha;"><li><p>We first set the address of the register to be written to 0x1c</p><p>[[File:zero2w-img376.png]]</p></li><li><p>Then set the value to be written to 0x55</p><p>[[File:zero2w-img377.png]]</p></li><li><p>Then click the '''WRITE BYTE''' button to perform the writing action</p><p>[[File:zero2w-img378.png]]</p></li></ol></li><li><p>Then click the | '''READ BYTE224''' button to read the value of the 0x1c register. If it displays 0x55, it means that the i2c read and write test has passed.</p><p>[[File:zero2w-img379.png]]</p></li></ol> <span id="pin-pwm-test"></span>=== 40pin PWM test === # As can be seen from the table below, the available pwm are pwm1, pwm2, pwm3 and pwm4. {| class="wikitable"
|-
| '''GPIO serial number10'''| '''GPIOUART0_RX'''| '''FunctionPH1'''| '''pin'''|| '''pin'''| '''Function'''| '''GPIO'''| '''GPIO serial number225'''
|-
| '''12'''
| style="text-align: left;"|
| style="text-align: left;"|
| style="text-align: left;"|
|-
| '''26416'''| '''PI8PWM4'''| '''TWI1-SDAPI14'''| '''3270'''|-| '''4'''| '''5V18'''| style="text-align: left;"|
| style="text-align: left;"|
| '''PH4'''
| '''228'''
|-
| '''263'''| '''PI7'''| '''TWI1-SCL'''| '''5'''|| '''620'''
| '''GND'''
| style="text-align: left;"|
| style="text-align: left;"|
|-
| '''26922'''| '''PI13UART2_RX'''| '''PWM3PI6'''| '''7262'''|-| '''824'''| '''UART0_TXSPI1_CS0'''| '''PH0PH5'''| '''224229'''|-| '''26'''| '''SPI1_CS1'''| '''PH9'''| '''233'''|-| '''28'''| '''TWI2-SCL'''| '''PI9'''| '''265'''
|-
| '''30'''
| '''GND'''
| style="text-align: left;"|
| style="text-align: left;"|
|-
| '''22632'''| '''PH2PWM1'''| '''UART5_TXPI11'''| '''11'''|| '''12'''| style="text-align: left;"|| '''PI1'''| '''257267'''|-| '''227'''| '''PH3'''| '''UART5_RX'''| '''13'''|| '''1434'''
| '''GND'''
| style="text-align: left;"|
| style="text-align: left;"|
|-
| '''26136'''| '''PI5'''| '''UART2_TX'''| '''15'''|| '''16'''| '''PWM4'''| '''PI14'''| '''270'''|-
| style="text-align: left;"|
|-
| apollo-p2:/ # '''231ls /dev/spidev1.*'''| '''PH7'''| '''SPI1_MOSI<span style="color:#FF0000">/dev/spidev1.0 /dev/spidev1.1</span>'''| '''19'''}|</ol>| '''20'''<ol start="3" style="list-style-type: decimal;">| <li>Here is a demonstration to test the SPI1 interface through the '''GNDw25qxx'''module. First, connect the w25qxx module to the SPI1 interface.</li>{| styleclass="text-align: left;wikitable"|| style="textbackground-aligncolor: left#ffffdc;width:800px;"|
|-
| <big>'''It doesn'232t matter if there is no w25qxx module, because there is a SPIFlash on the development board connected to SPI0, and the configuration of SPI0 is also turned on by default in Android, so we can also directly use the onboard SPIFlash for testing.'''</big>| }</ol><ol start="4" style="list-style-type: decimal;"><li>Then open wiringOP APP on the desktop</li> [[File:zero2w-img351.png]]</ol><ol start="5" style="list-style-type: decimal;"><li>Then click the '''PH8SPI_TEST'''button to open the SPI test interface</li>| [[File:zero2w-img365.png]]</ol><ol start="6" style="list-style-type: decimal;"><li><p>Then select the spi device node in the upper left corner. If you test the onboard SPIFlash directly, just keep the default '''SPI1_MISO/dev/spidev0.0'''| . If the '''21w25qxx'''|| module is connected to the 40pin spi1 cs0, then please select'''22/dev/spidev1.0'''| , if the w25qxx module is connected to the 40pin spi1 cs1, then please select '''UART2_RX/dev/spidev1.1'''</p><div class="figure"> [[File:zero2w-img366.png]] </div></li>| <li><p>Then click the '''PI6OPEN'''button to initialize the SPI</p></li> | [[File:zero2w-img367.png]]</ol><ol start="8" style="list-style-type: decimal;"><li>Then fill in the bytes that need to be sent, such as reading the ID information of the onboard SPIFlash, filling in the address 0x9f in data[0], and then click the '''262TRANSFER'''button</li> [[File:zero2w-img368.png]]</ol><ol start="9" style="list-style-type: decimal;"><li>Finally, the APP will display the read ID information of the onboard SPI Flash.</li> [[File:zero2w-img369.png]]</ol><ol start="10" style="list-style-type: decimal;"><li>If the w25qxx module connected to 40pin SPI1 is read, the ID information of the onboard SPI Flash is also similar.</li></ol> <span id="pin-i2c-test-method"></span> === 40pin I2C test method === # As can be seen from the table below, the Android12 TV system has i2c1 and i2c2 turned on by default. <div style="display: flex;">::{| class="wikitable" style="width:390px;margin-right: 20px;text-align: center;"
|-
| '''230GPIO NO.'''| '''PH6GPIO'''| '''SPI1_CLKFunction'''| '''23'''|| '''24'''| '''SPI1_CS0'''| '''PH5'''| '''229Pin'''
|-
| style="text-align: left;"|
| style="text-align: left;"|
| '''GND3.3V'''| '''251'''|-| '''26<span style="color:#FF0000">264</span>'''| '''SPI1_CS1<span style="color:#FF0000">PI8</span>'''| '''PH9<span style="color:#FF0000">TWI1-SDA</span>'''| '''233<span style="color:#FF0000">3</span>'''|-| '''<span style="color:#FF0000">263</span>'''| '''<span style="color:#FF0000">PI7</span>'''| '''<span style="color:#FF0000">TWI1-SCL</span>'''| '''<span style="color:#FF0000">5</span>'''
|-
| '''266269'''| '''PI10PI13'''| '''TWI2-SDAPWM3'''| '''27'''|| '''28'''| '''TWI2-SCL'''| '''PI9'''| '''2657'''
|-
| style="text-align: left;"|
| '''29'''style="text-align: left;"|| '''30'''
| '''GND'''
| style="text'''9'''|-align: left;"| '''226'''| '''PH2'''| '''UART5_TX'''|'''11'''| style="text-align: left;"| '''227'''| '''PH3'''| '''UART5_RX'''|'''13'''
|-
| '''271261'''| '''PI15'''| style="text-align: left;"|| '''31'''|| '''32'''| '''PWM1PI5'''| '''PI11UART2_TX'''| '''26715'''
|-
| style="text-align: left;"|
| style="text-align: left;"|
| '''3.3V'''
| '''17'''
|-
| '''231'''
| '''PH7'''
| '''SPI1_MOSI'''
| '''19'''
|-
| '''232'''
| '''PH8'''
| '''SPI1_MISO'''
| '''21'''
|-
| '''230'''
| '''PH6'''
| '''SPI1_CLK'''
| '''23'''
|-
| style="text-align: left;"|
| style="text-align: left;"|
| '''GND'''
| '''25'''
|-
| '''<span style="color:#FF0000">266</span>'''
| '''<span style="color:#FF0000">PI10</span>'''
| '''<span style="color:#FF0000">TWI2-SDA</span>'''
| '''<span style="color:#FF0000">27</span>'''
|-
| '''256'''
| '''PI0'''
| style="text-align: left;"|
| '''29'''
|-
| '''271'''
| '''PI15'''
| style="text-align: left;"|
| '''31'''
|-
| '''268'''
| '''PI12'''
| '''PWM2'''
| '''33'''
|-
| '''258'''
| style="text-align: left;"|
| '''35'''
|-
| '''272'''
| style="text-align: left;"|
| '''37'''
|-
| style="text-align: left;"|
| '''GND'''
| '''39'''
|}
{| class="wikitable" style="width:390px;margin-right: 20px;text-align: center;"
|-
| '''Pin'''
| '''Function'''
| '''GPIO'''
| '''GPIO NO.'''
|-
| '''2'''
| '''5V'''
| style="text-align: left;"|
| style="text-align: left;"|
|-
| '''4'''
| '''5V'''
| style="text-align: left;"|
| style="text-align: left;"|
|-
| '''6'''
| '''GND'''
| style="text-align: left;"|
| style="text-align: left;"|
|-
| '''8'''
| '''UART0_TX'''
| '''PH0'''
| '''224'''
|-
| '''10'''
| '''UART0_RX'''
| '''PH1'''
| '''225'''
|-
| '''12'''
| style="text-align: left;"|
| '''PI1'''
| '''257'''
|-
| '''14'''
| '''GND'''
| style="text-align: left;"|
| style="text-align: left;"|
|-
| '''16'''
| '''PWM4'''
| '''PI14'''
| '''270'''
|-
| '''18'''
| style="text-align: left;"|
| '''PH4'''
| '''228'''
|-
| '''20'''
| '''GND'''
| style="text-align: left;"|
| style="text-align: left;"|
|-
| '''22'''
| '''UART2_RX'''
| '''PI6'''
| '''262'''
|-
| '''24'''
| '''SPI1_CS0'''
| '''PH5'''
| '''229'''
|-
| '''26'''
| '''SPI1_CS1'''
| '''PH9'''
| '''233'''
|-
| '''<span style="color:#FF0000">28</span>'''
| '''<span style="color:#FF0000">TWI2-SCL</span>'''
| '''<span style="color:#FF0000">PI9</span>'''
| '''<span style="color:#FF0000">265</span>'''
|-
| '''30'''
| '''GND'''
| style="text-align: left;"|
| style="text-align: left;"|
|-
| '''32'''
| '''PWM1'''
| '''PI11'''
| '''267'''
|-
| '''34'''
| '''GND'''
| style="text-align: left;"|
| style="text-align: left;"|
|-
| '''36'''
| style="text-align: left;"|
| '''PC12'''
| '''76'''
|-
| '''38'''
| style="text-align: left;"|
| '''PI4'''
| '''260'''
|-
| '''40'''
| style="text-align: left;"|
| '''PI3'''
| '''259'''
|}
</div>
<ol start="2" style="list-style-type: decimal;"><li>First click the wiringOP icon The device node corresponding to open wiringOP APP<i2c1 is '''/li><dev/ol> [[File:zero2wi2c-img351.png]] <ol start="3" style="list-style-type: decimal;"><li>Then click the '1''PWM_TEST''' button on the main interface of wiringOP to enter the PWM test interface</li></ol> [[File:zero2w-img380.png]] <ol start="4" style="list-style-type: decimal;"><li>The PWM test interface is as follows</li></ol> <div class="figure"> [[File:zero2w-img381.png]] </div><ol start="5" style="list-style-type: decimal;"><li>Then set which PWM you want to use in the Channel. The default is PWM1. If you want to set it to PWM2, just enter 2 in the Channel. PWM3 and PWM4 and so on.</li></ol> [[File:zero2w-img382.png]] <ol start="6" style="list-style-type: decimal;"><li>Then you can set the PWM period. The default configuration is '''50000ns'''. The converted PWM frequency device node corresponding to i2c2 is '''20KHz'''</li><dev/ol> [[File:zero2wi2c-img383.png]] <ol start="7" style="list-style-type: decimal;"><li>Then click the '''EXPORT2'''button to export PWM</li></ol> [[File:zero2w-img384.png]] <ol start{| class="8wikitable" style="list-style-typewidth: decimal800px;"><li>Then drag the progress bar below to change the PWM duty cycle, and then check '''Enable''' to output the PWM waveform.</li></ol> [[File:zero2w|-img385.png]]| <ol start="9" style="listapollo-style-typep2: decimal;"><li>Then use an oscilloscope to measure the corresponding pins in the 40pin development board and you can see the following waveform.</li></ol> [[File:zero2w-img386.png]] <span id="how-to-compile-android-12-source-code"></span> = # '''How to compile Android 12 source codels /dev/i2c-*''' = <span id="download-the-source-code-of-android-12"></span>== Download the source code of Android 12 ==
'''<ol span style="list-style-typecolor: decimal;#FF0000">/dev/i2c-1 /dev/i2c-2<li/span><p>First download the compressed package of the Android 12 source code and the compressed package of the files modified by Orange Pi Zero2w from Google Cloud Drive''' /dev/i2c-5|}</pol><ol start="3" style="list-style-type: lower-alphadecimal;"><li>Google Cloud Drive</li></ol>First open wiringOP APP on the desktop</li></ol>
[[File:zero2w-img387img351.png]]</ol><ol start="4" style="list-style-type: decimal;"><li>Then click the '''I2C_TEST''' button to open the i2c test interface</li>
[[File:zero2w-img370.png]]</ol><ol start="25" style="list-style-type: decimal;"><li>After downloading the compressed package The i2c test interface of Android 12 source code, please check whether the MD5 checksum wiringOP is correct. If it is incorrect, please download the source code again. Here's how to check shown in the MD5 checksum:figure below</li></ol>
[[File:zero2w-img386.png]]</ol><span id="how-to-compile-android-12-source-code"></span> = '''How to compile Android 12 source code''' = <span id="download-the-source-code-of-android-12"></span>== Download the source code of Android 12 == <ol style="list-style-type: decimal;"><li><p>First download the compressed package of the Android 12 source code and the compressed package of the files modified by Orange Pi Zero2w from Google Cloud Drive</p><ol style="list-style-type: lower-alpha;"><li>Google Cloud Drive</li> [[File:zero2w-img387.png]]</ol></li></ol><ol start="2" style="list-style-type: decimal;"><li>After downloading the compressed package of Android 12 source code, please check whether the MD5 checksum is correct. If it is incorrect, please download the source code again. Here's how to check the MD5 checksum:</li>{| class="wikitable" style="width:800px;" |-| test@test:~$ '''md5sum -c H618-Android12-Src.tar.gz.md5sum''' H618-Android12-Src.tar.gzaa: '''<span style="color:#FF0000">OK</span>''' H618-Android12-Src.tar.gzab: '''<span style="color:#FF0000">OK</span>''' ......|}</ol><ol start="3" style="list-style-type: decimal;"><li>Then you need to merge multiple compressed files into one, and then extract the Android source code. The command looks like this:</li>{| class="wikitable" style="width:800px;" |-| test@test:~$ '''cat H618-Android12-Src.tar.gz<span style="color:#FF0000">a</span>* > H618-Android12-Src.tar.gz''' test@test:~$ '''tar -xvf H618-Android12-Src.tar.gz'''|}</ol><ol start="4" style="list-style-type: decimal;"><li>Then unzip the compressed package of the files modified by Orange Pi Zero2w</li>{| class="wikitable" style="width:800px;" |-| test@test:~$ '''tar zxf opizero2w_android12_patches.tar.gz''' test@test:~$ '''ls''' '''opizero2w_android12_patches''' opizero2w_android12_patches.tar.gz|}</ol><ol start="5" style="list-style-type: decimal;"><li>Then copy the files modified by Orange Pi Zero2w to the Android source code</li>{| class="wikitable" style="width:800px;" |-| test@test:~$ '''cp -rf opizero2w_android12_patches/* H618-Android12-Src/'''|}</ol><span id="compile-the-source-code-of-android-12"></span> == Compile the source code of Android 12 == {| class="wikitable" style="background-color:#ffffdc;width:800px;" |-| <big>'''Android12 is compiled on an x86_64 computer with <span style="color:#FF0000">Ubuntu 22.04</span> installed. Other versions of Ubuntu system package dependencies may have some differences. The image download address of the Ubuntu 22.04 <span style="color:#FF0000">amd64</span> version is as follows:''' [https://repo.huaweicloud.com/ubuntu-releases/22.04/ubuntu-22.04.2-desktop-amd64.iso '''https://repo.huaweicloud.com/ubuntu-releases/22.04/ubuntu-22.04.2-desktop-amd64.iso'''] '''The x86_64 computer hardware configuration for compiling Android12 source code recommends a memory of 16GB or more, and a hard disk space of 200GB or more is recommended. The more CPU cores, the better.'''</big>|} # First install the software packages needed to compile Android12 source code ::{| class="wikitable" style="width:800px;" |-| test@test:~$ '''sudo apt-get update''' test@test:~$ '''sudo apt-get install -y git gnupg flex bison gperf build-essential \''' '''zip curl zlib1g-dev gcc-multilib g++-multilib libc6-dev-i386 \''' '''lib32ncurses5-dev x11proto-core-dev libx11-dev lib32z1-dev ccache \''' '''libgl1-mesa-dev libxml2-utils xsltproc unzip u-boot-tools python-is-python3 \''' '''libssl-dev libncurses5 clang gawk'''|} <ol start="2" style="list-style-type: decimal;"><li><p>Then compile the code in the longan folder, which mainly contains u-boot and linux kernel</p><ol style="list-style-type: lower-alpha;"><li>First run '''./build.sh config''' to set compilation options</li>{| class="wikitable" style="width:800px;" |-| <p>test@test:~$ '''cd H618-Android12-Src/longan'''</p><p>test@test:~/H618-Android12-Src/longan$ '''./build.sh config'''</p> <p>Welcome to mkscript setup progress</p><p>All available platform:</p>:<p>0. android</p>:<p>1. linux</p><p>Choice [android]: '''<span style="color:#FF0000">0</span>'''</p><p>All available ic:</p>:<p>0. h618</p><p>Choice [h618]: '''<span style="color:#FF0000">0</span>'''</p><p>All available board:</p>:<p>0. ft</p>:<p>1. p1</p>:<p>2. p2</p>:<p>3. p7</p>:<p>4. p7l</p>:<p>5. perf1</p>:<p>6. perf2</p>:<p>7. perf3</p>:<p>8. qa</p><p>Choice [p2]: '''<span style="color:#FF0000">2</span>'''</p><p>All available flash:</p>:<p>0. default</p>:<p>1. nor</p><p>Choice [default]: '''<span style="color:#FF0000">0</span>'''</p><p>All available kern_ver:</p>:<p>0. linux-5.4</p><p>Choice [linux-5.4]: '''<span style="color:#FF0000">0</span>'''</p><p>All available arch:</p>:<p>0. arm</p>:<p>1. arm64</p><p>Choice [arm64]: '''<span style="color:#FF0000">1</span>'''</p><p>'''......'''</p><p>*** Default configuration is based on 'sun50iw9p1smp_h618_android_defconfig'</p><p>#</p><p># configuration written to .config</p><p>#</p><p>make[1]: Leaving directory '/home/test/H618-Android12-Src/longan/out/kernel/build'</p><p>make: Leaving directory '/home/test/H618-Android12-Src/longan/kernel/linux-5.4'</p><p>INFO: clean buildserver</p><p>INFO: prepare_buildserver</p>|}</ol><ol start="2" style="list-style-type: lower-alpha;"><li>Then run the '''./build.sh''' script to start compilation.</li>{| class="wikitable" style="width:800px;" |-| test@test:~/H618-Android12-Src/longan$ '''./build.sh'''|}</ol><ol start="3" style="list-style-type: lower-alpha;"><li>After compilation is completed, you will see the following output</li>{| class="wikitable" style="width:800px;" |-| sun50iw9p1 compile Kernel successful INFO: Prepare toolchain ... '''......''' INFO: build kernel OK. INFO: build rootfs ... INFO: skip make rootfs for android INFO: ---------------------------------------- INFO: build lichee OK. INFO: ----------------------------------------|}</ol></li></ol><ol start="3" style="list-style-type: decimal;"><li>Then use the following command to compile the Android source code and generate the final Android image</li></ol>{| class="wikitable" style="width:800px;" |-| test@test:~$ '''cd H618-Android12-Src''' test@test:~/H618-Android12-Src$ '''source build/envsetup.sh''' test@test:~/H618-Android12-Src$ '''lunch apollo_p2-userdebug''' test@test:~/H618-Android12-Src$ '''make -j8''' test@test:~/H618-Android12-Src$ '''pack'''|}</ol><ol start="4" style="list-style-type: decimal;"><li><p>The storage path of the Android image generated by compilation is:</p>{| class="wikitable" style="width:800px;" |-| <p>'''longan/out/h618_android12_p2_uart0.img'''</p>|}</li></ol> <span id="appendix"></span> = '''Appendix''' = <span id="user-manual-update-history"></span>== User manual update history == {| class="wikitable" style="width:800px;text-align: center;"|-| '''Version'''| '''Date'''| '''Release Notes'''|-| v1.0| 2023-09-14| initial version|} <span id="image-update-history"></span>== Image update history == {| class="wikitable" style="width:800px;"|-| style="text-align: center;"| '''Date''' | style="text-align: center;"| '''Release Notes'''|-| style="text-align: center;"| 2023-09-14| orangepizero2w_1.0.0_debian_bullseye_server_linux5.4.125.7z orangepizero2w_1.0.0_ubuntu_focal_server_linux5.4.125.7z orangepizero2w_1.0.0_ubuntu_focal_desktop_xfce_linux5.4.125.7z orangepizero2w_1.0.0_debian_bullseye_desktop_xfce_linux5.4.125.7z orangepizero2w_1.0.0_ubuntu_jammy_server_linux6.1.31.7z orangepizero2w_1.0.0_debian_bookworm_server_linux6.1.31.7z orangepizero2w_1.0.0_debian_bullseye_server_linux6.1.31.7z orangepizero2w_1.0.0_ubuntu_jammy_desktop_xfce_linux6.1.31.7z orangepizero2w_1.0.0_debian_bookworm_desktop_xfce_linux6.1.31.7z orangepizero2w_1.0.0_debian_bullseye_desktop_xfce_linux6.1.31.7z OrangePi_Zero2w_Android12_v1.0.tar.gz
Opios-arch-aarch64-xfce-opizero2w-23.09-linux6.1.31.img.xz
