【NUCLEO H533RE】Print using printf function

zsy-s

【NUCLEO H533RE】Print using printf function [Copy link]

<div class='showpostmsg'><i class="pstatus"> This post was last edited by zsy-s on 2024-7-31 20:04 </i> # Preface to obtain the pin interrupt. Use the button to control the direction of the external DC motor. **Table of Contents** [TOCM] # Schematic diagram <ignore_js_op> <img style="cursor:pointer;" id="aimg_827951" aid="827951" src="/bbs/static/image/common/none.gif" onclick="zoom(this, this.getAttribute('zoomfile'), 0, 0, '0')" zoomfile="//bbs.eeworld.com.cn/data/attachment/forum/202407/29/214739vzxaxt6phdngspep.png" file="//bbs.eeworld.com.cn/data/attachment/forum/202407/29/214739vzxaxt6phdngspep.png" inpost="1" onmouseover="showMenu({'ctrlid':this.id,'pos':'12'})" /> <div class="tip tip_4 aimg_tip" id="aimg_827951_menu" style="position: absolute; display: none" disautofocus="true"> <div class="xs0"> <p><strong>7679dc12bce69199bc1ba7ea957c860e077eea2b22896f2972e4171492b1dfbfQzpcVXNlcnNccGFu.png</strong> <em class="xg1">(92.78 KB, downloads: 0)</em></p> <p> <a href="javascript:;" class="loginf" >download attach</a> <a href="javascript:;" onclick="showWindow(this.id, this.getAttribute('url'), 'get', 0);" id="savephoto_827951" url="home.php?mod=spacecp&ac=album&op=saveforumphoto&aid=827951&handlekey=savephoto_827951">save to album</a> </p> <p class="xg1 y">2024-7-29 21:47 上传</p> </div> <div class="tip_horn"></div> </div> </ignore_js_op> > Select the PA0 pin as the control pin for the motor. <ignore_js_op> <img id="aimg_827964" style="cursor:pointer;" aid="827964" src="/bbs/static/image/common/none.gif" zoomfile="//bbs.eeworld.com.cn/data/attachment/forum/202407/29/220733abpy8b2yxvh5yelv.jpg" file="//bbs.eeworld.com.cn/data/attachment/forum/202407/29/220733abpy8b2yxvh5yelv.jpg" class="zoom" onclick="zoom(this, this.src, 0, 0, 0)" width="540" id="aimg_827964" inpost="1" onmouseover="showMenu({'ctrlid':this.id,'pos':'12'})" /> <div class="tip tip_4 aimg_tip" id="aimg_827964_menu" style="position: absolute; display: none" disautofocus="true"> <div class="xs0"> <p><strong>123.jpg</strong> <em class="xg1">(79.1 KB, downloads: 0)</em></p> <p> <a href="javascript:;" class="loginf" >download attach</a> <a href="javascript:;" onclick="showWindow(this.id, this.getAttribute('url'), 'get', 0);" id="savephoto_827964" url="home.php?mod=spacecp&ac=album&op=saveforumphoto&aid=827964&handlekey=savephoto_827964">save to album</a> </p> <p class="xg1 y">2024-7-29 22:07 上传</p> </div> <div class="tip_horn"></div> </div> </ignore_js_op> > .You can see that sb12 has no 0 ohm resistor soldered, sb16 has a 0 ohm resistor soldered, and the pin connected to the programming button used by the user is pc13. The user LED light is connected to the pa5 pin. <ignore_js_op> <img style="cursor:pointer;" id="aimg_828240" aid="828240" src="/bbs/static/image/common/none.gif" onclick="zoom(this, this.getAttribute('zoomfile'), 0, 0, '0')" zoomfile="//bbs.eeworld.com.cn/data/attachment/forum/202407/30/213241j87t18748t7vhbz5.png" file="//bbs.eeworld.com.cn/data/attachment/forum/202407/30/213241j87t18748t7vhbz5.png" inpost="1" onmouseover="showMenu({'ctrlid':this.id,'pos':'12'})" /> <div class="tip tip_4 aimg_tip" id="aimg_828240_menu" style="position: absolute; display: none" disautofocus="true"> <div class="xs0"> <p><strong>52bd461ed2300cca55b9a6399756ae36ff0c78c48a7fd28e2d968c2b6d126d72QzpcVXNlcnNccGFu.png</strong> <em class="xg1">(55.99 KB, downloads: 0)</em></p> <p> <a href="javascript:;" class="loginf" >download attach</a> <a href="javascript:;" onclick="showWindow(this.id, this.getAttribute('url'), 'get', 0);" id="savephoto_828240" url="home.php?mod=spacecp&ac=album&op=saveforumphoto&aid=828240&handlekey=savephoto_828240">save to album</a> </p> <p class="xg1 y">2024-7-30 21:32 上传</p> </div> <div class="tip_horn"></div> </div> </ignore_js_op> > The serial port uses uart2 <ignore_js_op> <img id="aimg_828243" style="cursor:pointer;" aid="828243" src="/bbs/static/image/common/none.gif" zoomfile="//bbs.eeworld.com.cn/data/attachment/forum/202407/30/221836zfb0keqde0xrpbep.png" file="//bbs.eeworld.com.cn/data/attachment/forum/202407/30/221836zfb0keqde0xrpbep.png" class="zoom" onclick="zoom(this, this.src, 0, 0, 0)" width="672" id="aimg_828243" inpost="1" onmouseover="showMenu({'ctrlid':this.id,'pos':'12'})" /> <div class="tip tip_4 aimg_tip" id="aimg_828243_menu" style="position: absolute; display: none" disautofocus="true"> <div class="xs0"> <p><strong>swd.png</strong> <em class="xg1">(30.17 KB, downloads: 0)</em></p> <p> <a href="javascript:;" class="loginf" >download attach</a> <a href="javascript:;" onclick="showWindow(this.id, this.getAttribute('url'), 'get', 0);" id="savephoto_828243" url="home.php?mod=spacecp&ac=album&op=saveforumphoto&aid=828243&handlekey=savephoto_828243">save to album</a> </p> <p class="xg1 y">2024-7-30 22:18 上传</p> </div> <div class="tip_horn"></div> </div> </ignore_js_op> > The swk burning pins use pa13 pa14 pa15 <ignore_js_op> <img style="cursor:pointer;" id="aimg_827965" aid="827965" src="/bbs/static/image/common/none.gif" onclick="zoom(this, this.getAttribute('zoomfile'), 0, 0, '0')" zoomfile="//bbs.eeworld.com.cn/data/attachment/forum/202407/29/221027amdw8m8k2dq2ij2i.png" file="//bbs.eeworld.com.cn/data/attachment/forum/202407/29/221027amdw8m8k2dq2ij2i.png" inpost="1" onmouseover="showMenu({'ctrlid':this.id,'pos':'12'})" /> <div class="tip tip_4 aimg_tip" id="aimg_827965_menu" style="position: absolute; display: none" disautofocus="true"> <div class="xs0"> <p><strong>444.png</strong> <em class="xg1">(86.33 KB, downloads: 0)</em></p> <p> <a href="javascript:;" class="loginf" >download attach</a> <a href="javascript:;" onclick="showWindow(this.id, this.getAttribute('url'), 'get', 0);" id="savephoto_827965" url="home.php?mod=spacecp&ac=album&op=saveforumphoto&aid=827965&handlekey=savephoto_827965">save to album</a> </p> <p class="xg1 y">2024-7-29 22:10 上传</p> </div> <div class="tip_horn"></div> </div> </ignore_js_op> > The positions of the reset pin and the boot pin can be seen through the cube. ------------------------- # Project creation <ignore_js_op> <img style="cursor:pointer;" id="aimg_828245" aid="828245" src="/bbs/static/image/common/none.gif" onclick="zoom(this, this.getAttribute('zoomfile'), 0, 0, '0')" zoomfile="//bbs.eeworld.com.cn/data/attachment/forum/202407/30/222223baahmhpzoeysuuzb.png" file="//bbs.eeworld.com.cn/data/attachment/forum/202407/30/222223baahmhpzoeysuuzb.png" inpost="1" onmouseover="showMenu({'ctrlid':this.id,'pos':'12'})" /> <div class="tip tip_4 aimg_tip" id="aimg_828245_menu" style="position: absolute; display: none" disautofocus="true"> <div class="xs0"> <p><strong>new.png</strong> <em class="xg1">(68.74 KB, downloads: 0)</em></p> <p> <a href="javascript:;" class="loginf" >download attach</a> <a href="javascript:;" onclick="showWindow(this.id, this.getAttribute('url'), 'get', 0);" id="savephoto_828245" url="home.php?mod=spacecp&ac=album&op=saveforumphoto&aid=828245&handlekey=savephoto_828245">save to album</a> </p> <p class="xg1 y">2024-7-30 22:22 上传</p> </div> <div class="tip_horn"></div> </div> </ignore_js_op> Click newproject to create a new project. Select the chip stm32h533ret6. Open the official project creation tool cube and select the required pins and functions. <ignore_js_op> <img style="cursor:pointer;" id="aimg_827965" aid="827965" src="/bbs/static/image/common/none.gif" onclick="zoom(this, this.getAttribute('zoomfile'), 0, 0, '0')" zoomfile="//bbs.eeworld.com.cn/data/attachment/forum/202407/29/221027amdw8m8k2dq2ij2i.png" file="//bbs.eeworld.com.cn/data/attachment/forum/202407/29/221027amdw8m8k2dq2ij2i.png" inpost="1" onmouseover="showMenu({'ctrlid':this.id,'pos':'12'})" /> <div class="tip tip_4 aimg_tip" id="aimg_827965_menu" style="position: absolute; display: none" disautofocus="true"> <div class="xs0"> <p><strong>444.png</strong> <em class="xg1">(86.33 KB, downloads: 0)</em></p> <p> <a href="javascript:;" class="loginf" >download attach</a> <a href="javascript:;" onclick="showWindow(this.id, this.getAttribute('url'), 'get', 0);" id="savephoto_827965" url="home.php?mod=spacecp&ac=album&op=saveforumphoto&aid=827965&handlekey=savephoto_827965">save to album</a> </p> <p class="xg1 y">2024-7-29 22:10 上传</p> </div> <div class="tip_horn"></div> </div> </ignore_js_op> Select the board h533re. <ignore_js_op> <img id="aimg_828644" style="cursor:pointer;" aid="828644" src="/bbs/static/image/common/none.gif" zoomfile="//bbs.eeworld.com.cn/data/attachment/forum/202407/31/200013p9byb09kpz44cc6k.png" file="//bbs.eeworld.com.cn/data/attachment/forum/202407/31/200013p9byb09kpz44cc6k.png" class="zoom" onclick="zoom(this, this.src, 0, 0, 0)" width="574" id="aimg_828644" inpost="1" onmouseover="showMenu({'ctrlid':this.id,'pos':'12'})" /> <div class="tip tip_4 aimg_tip" id="aimg_828644_menu" style="position: absolute; display: none" disautofocus="true"> <div class="xs0"> <p><strong>508073ead11dc1ccd897eeb6583e5075bb0f034cfc624ac9acdce9aa2c2d9b9fQzpcVXNlcnNccGFu.png</strong> <em class="xg1">(35.03 KB, downloads: 0)</em></p> <p> <a href="javascript:;" class="loginf" >download attach</a> <a href="javascript:;" onclick="showWindow(this.id, this.getAttribute('url'), 'get', 0);" id="savephoto_828644" url="home.php?mod=spacecp&ac=album&op=saveforumphoto&aid=828644&handlekey=savephoto_828644">save to album</a> </p> <p class="xg1 y">2024-7-31 20:00 上传</p> </div> <div class="tip_horn"></div> </div> </ignore_js_op> > Select microlib to enable the mapping of printf. Print the log through printf The following code implements the mapping of the printf interface. ``` c #ifdef __GNUC_ #define PUTCHAR_PROTOTYPE int __io_putchar(int ch) #else #define PUTCHAR_PROTOTYPE int fputc(int ch, FILE *f) #endif PUTCHAR_PROTOTYPE { HAL_UART_Transmit(&huart2, (uint8_t *)&ch, 1, 0xFFFF); return ch; } //Print integer---- while (1) { /* USER CODE END WHILE */ count++; printf("cou: %d\r\n",count); HAL_Delay(1000); /* USER CODE BEGIN 3 */ } ``` ### Conclusion The printing effect is as follows: <ignore_js_op> <img style="cursor:pointer;" id="aimg_828645" aid="828645" src="/bbs/static/image/common/none.gif" onclick="zoom(this, this.getAttribute('zoomfile'), 0, 0, '0')" zoomfile="//bbs.eeworld.com.cn/data/attachment/forum/202407/31/200313qbjgzigcizmmp2gp.png" file="//bbs.eeworld.com.cn/data/attachment/forum/202407/31/200313qbjgzigcizmmp2gp.png" inpost="1" onmouseover="showMenu({'ctrlid':this.id,'pos':'12'})" /> <div class="tip tip_4 aimg_tip" id="aimg_828645_menu" style="position: absolute; display: none" disautofocus="true"> <div class="xs0"> <p><strong>printf.png</strong> <em class="xg1">(7.69 KB, downloads: 0)</em></p> <p> <a href="javascript:;" class="loginf" >download attach</a> <a href="javascript:;" onclick="showWindow(this.id, this.getAttribute('url'), 'get', 0);" id="savephoto_828645" url="home.php?mod=spacecp&ac=album&op=saveforumphoto&aid=828645&handlekey=savephoto_828645">save to album</a> </p> <p class="xg1 y">2024-7-31 20:03 上传</p> </div> <div class="tip_horn"></div> </div> </ignore_js_op> </div><script> var loginstr = '<div class="locked">To view all the contents of the post, please <a href="/bbs/member.php?mod=logging&action=login" style="color:#e60000" class="loginf">log in</a> or <a href="/bbs/member.php?mod=register_eeworld.php&action=wechat" style="color:#e60000" target="_blank">register</a></div>'; if(parseInt(discuz_uid)==0){ } </script><script type="text/javascript">(function(d,c){var a=d.createElement("script"),m=d.getElementsByTagName("script")[0],eewurl="//counter.eeworld.com.cn/pv/count/";a.src=eewurl+c;m.parentNode.insertBefore(a,m)})(document,523)</script>

Jacktang

The test using printf function should be relatively smooth, a good start, come on

秦天qintian0303

Serial port printing is still very useful for testing, and can monitor various status