{"id":473,"date":"2014-12-14T21:45:26","date_gmt":"2014-12-14T12:45:26","guid":{"rendered":"http:\/\/otsuka.biz\/blog1\/?p=473"},"modified":"2024-02-12T15:28:43","modified_gmt":"2024-02-12T06:28:43","slug":"twin-usb-board-pic24fj64gb002","status":"publish","type":"post","link":"https:\/\/otsuka.biz\/blog1\/twin-usb-board-pic24fj64gb002\/","title":{"rendered":"Twin microcontroller board with PIC24FJ64GB002 : UsbStudy, Interface\uff08CQ\u51fa\u7248\uff09"},"content":{"rendered":"

I have assembled a Twin USB-OTG board, which consists of two PIC24FJ64GB002.\u00a0\u00a0\u00a0 The two PICs is connected with UART and have\u00a0a USB type-A receptacle for\u00a0a host\u00a0respectively.\u00a0\u00a0\u00a0\u00a0Moreover, selecting a jumper\u00a0on\u00a0the board,\u00a0one of\u00a0the PICs\u00a0can\u00a0have\u00a0a USB type-B receptacle for a device alternatively.\u00a0\u00a0\u00a0\u00a0A LCD module is,\u00a0\u00a0however,\u00a0fixed to one PIC.\u00a0\u00a0\u00a0 In\u00a0my board, the Fast Internal RC (FRC) Oscillator must be used , for no external resonator is equiped with.\u00a0\u00a0\u00a0 Using this board, I will assess\u00a0some USB firmware.<\/p>\n

\"TWIN2\"<\/a><\/p>\n

<<\u00a0Pin connection\u00a0>><\/p>\n

Red LED – RB0, Green LED – RB1;<\/p>\n

Switch1 (pull down) – MCLR, Switch2 (pull down) – RB2;<\/p>\n

LCD\u00a0(SC1602BBWB-XA-GB-G) :\u00a0RS – RB7, R\/W – GND, E – RB8, Data bus: DB4 – RB9, DB5 – RB13, DB6 – RB14, DB7 –\u00a0RB15, VDD – 5 volt\u00a0(controlled by the left-side PIC);<\/p>\n

<<\u00a0Oscillator\u00a0Configuration\u00a0 >><\/p>\n

Fast RC Oscillator with PLL Module (FRCPLL) :<\/p>\n

_CONFIG1(WDTPS_PS1 & FWPSA_PR32 & WINDIS_OFF & FWDTEN_OFF & ICS_PGx1 & GWRP_OFF & GCP_OFF & JTAGEN_OFF)
\n_CONFIG2(POSCMOD_NONE & I2C1SEL_PRI & IOL1WAY_OFF & OSCIOFNC_ON & FCKSM_CSDCMD & FNOSC_FRCPLL & PLL96MHZ_ON & PLLDIV_DIV2 & IESO_OFF)
\n_CONFIG3(WPFP_WPFP0 & SOSCSEL_IO & WUTSEL_LEG & WPDIS_WPDIS & WPCFG_WPCFGDIS & WPEND_WPENDMEM)
\n_CONFIG4(DSWDTPS_DSWDTPS3 & DSWDTOSC_LPRC & RTCOSC_SOSC & DSBOREN_OFF & DSWDTEN_OFF)<\/p>\n

<< UART >><\/p>\n

Setting I\/O ports for UART1 :<\/p>\n

RPINR18bits.U1RXR = 5; \/\/ Configure U1RX – put on pin 2 (RP5);
\nRPOR3bits.RP6R = 3; \/\/ Configure U1TX – put on pin 3 (RP6);<\/p>\n

<< A demonstration experiment >><\/p>\n

HID device\u00a0– USB –\u00a0Host (24FJ64GB002)\u00a0– UART –\u00a0Device (24FJ64GB002) – USB – PC (UsbStudy.exe);<\/p>\n

1)\u00a0\u00a0\u00a0 The\u00a0 revised UsbCDC into\u00a0the USB-device PIC for\u00a0my board :<\/p>\n

\n\n
\n
\n
\n
\"\u30a2\u30a4\u30b3\u30f3\"<\/div>\n
\n

Twin USB-CDC<\/a><\/h3>\n
<\/i> 1 \u30d5\u30a1\u30a4\u30eb <\/i> 8.39 KB<\/div>\n <\/div>\n
\n \u30c0\u30a6\u30f3\u30ed\u30fc\u30c9<\/a>\n <\/div>\n <\/div>\n <\/div>\n<\/div>\n\n<\/div> (A project of MPLAB X IDE containing HEX.file only)<\/p>\n

2)\u00a0\u00a0\u00a0 The revised UsbStudy into\u00a0the USB-host PIC for\u00a0my board :<\/p>\n

\n\n
\n
\n
\n
\"\u30a2\u30a4\u30b3\u30f3\"<\/div>\n
\n

Twin UsbStudy<\/a><\/h3>\n
<\/i> 1 \u30d5\u30a1\u30a4\u30eb <\/i> 10.37 KB<\/div>\n <\/div>\n
\n \u30c0\u30a6\u30f3\u30ed\u30fc\u30c9<\/a>\n <\/div>\n <\/div>\n <\/div>\n<\/div>\n\n<\/div> (A project of MPLAB X IDE containing HEX.file only)<\/p>\n

3)\u00a0\u00a0\u00a0 UsbStudy.exe :<\/p>\n

(\u00a0https:\/\/www.cqpub.co.jp\/interface\/download\/contents.htm<\/a> )<\/p>\n

<<\u00a0Reference >><\/p>\n

Interface, No.12, 2014: CQ Publishing Co.,Ltd (Japan)<\/p>\n","protected":false},"excerpt":{"rendered":"

I have assembled a Twin USB-OTG board, which consists of two PIC24FJ64GB002.\u00a0\u00a0\u00a0 The two PICs is connected with […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"vkexunit_cta_each_option":"","footnotes":""},"categories":[2,11],"tags":[],"class_list":["post-473","post","type-post","status-publish","format-standard","hentry","category-pic","category-test-board-of-pic"],"_links":{"self":[{"href":"https:\/\/otsuka.biz\/blog1\/wp-json\/wp\/v2\/posts\/473","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/otsuka.biz\/blog1\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/otsuka.biz\/blog1\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/otsuka.biz\/blog1\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/otsuka.biz\/blog1\/wp-json\/wp\/v2\/comments?post=473"}],"version-history":[{"count":2,"href":"https:\/\/otsuka.biz\/blog1\/wp-json\/wp\/v2\/posts\/473\/revisions"}],"predecessor-version":[{"id":3348,"href":"https:\/\/otsuka.biz\/blog1\/wp-json\/wp\/v2\/posts\/473\/revisions\/3348"}],"wp:attachment":[{"href":"https:\/\/otsuka.biz\/blog1\/wp-json\/wp\/v2\/media?parent=473"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/otsuka.biz\/blog1\/wp-json\/wp\/v2\/categories?post=473"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/otsuka.biz\/blog1\/wp-json\/wp\/v2\/tags?post=473"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}