After a long fight against this bug, I think that I've finally understood what is happe...

After a long fight against this bug, I think that I've finally understood what is happe...
電路圖 http://arduino.cc/en/uploads/Main/arduino-mega2560-schematic.pdf 硬件設(shè)計(jì)文件(Eagle文件) ht...
sprintf最常用的功能莫過(guò)于將int,float等類(lèi)型數(shù)據(jù)打印到char數(shù)組中去。但是使用sprintf常常會(huì)由于疏忽產(chǎn)生緩沖區(qū)溢出的問(wèn)題赴背,導(dǎo)致不可知的錯(cuò)誤椰拒。snprin...
為了串口傳輸數(shù)據(jù)與接收數(shù)據(jù)解析的方便,將所有類(lèi)型數(shù)據(jù)按照其數(shù)據(jù)類(lèi)型所占字節(jié)數(shù)存入char數(shù)組進(jìn)行逐字節(jié)發(fā)送凰荚。接收方拿到數(shù)據(jù)后再根據(jù)數(shù)據(jù)包協(xié)議燃观,將數(shù)據(jù)按數(shù)據(jù)類(lèi)型長(zhǎng)度劃分取出,進(jìn)...
使用mega接收GPS模塊數(shù)據(jù)胳徽,通過(guò)zigbee模塊發(fā)送自身位置并接收其他設(shè)備發(fā)送的位置信息积锅。 如使用兩個(gè)軟件串口,需注意兩個(gè)串口無(wú)法同時(shí)監(jiān)聽(tīng)养盗,需要輪流調(diào)用listen()來(lái)...
最近使用Arduino連接GPS模塊進(jìn)行位置解析缚陷,GPS獲取的經(jīng)緯度通過(guò)串口發(fā)送給上位機(jī),上位機(jī)解析包后得到了存有經(jīng)緯度的char數(shù)組往核。 進(jìn)一步的處理需要將char數(shù)組轉(zhuǎn)為d...