\nPIC24\u3067UART\u6a5f\u80fd\u3092\u4f7f\u7528\u3059\u308b\u30b5\u30f3\u30d7\u30eb\u3067\u3059\u3002
\n\u3068\u308a\u3042\u3048\u305a\u52d5\u3044\u305f\u306e\u3067\u3001\u30e1\u30e2\u4ee3\u308f\u308a\u306b\u30a2\u30c3\u30d7\u3057\u3066\u304a\u304d\u307e\u3059\u3002
\n
\n\u8a2d\u5b9a\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3002
\n
\nPIC24FJ32GA002\u3067\u78ba\u8a8d\nUART1\u3092\u4f7f\u7528\n\u9001\u53d7\u4fe1\u51e6\u7406\u306f\u30dd\u30fc\u30ea\u30f3\u30b0\u30d9\u30fc\u30b9(\u5272\u308a\u8fbc\u307f\u306f\u4f7f\u308f\u306a\u3044)\n\n9600bps\n8bit\n\u30ce\u30f3\u30d1\u30ea\u30c6\u30a3\n\u30b9\u30c8\u30c3\u30d7 1bit\n\nTxD\u306e\u30d4\u30f3: RP5\nRxD\u306e\u30d4\u30f3: RP6\n<\/pre>\n
\nPIC\u304b\u3089\u306e\u51fa\u529b\u306fFT2232\u7d4c\u7531\u3067PC\u306b\u53d6\u308a\u8fbc\u307f\u307e\u3059\u3002
\n
\n
\n
\n
\n\n#include \n#include \"uart.h\"\n#include \"PPS.h\"\n\n#define UART_CLK8MHZ_9600BPS 25\n\n\/\/--------------------------------------\n\/\/ \u30b3\u30f3\u30d5\u30a3\u30b0\u30ec\u30fc\u30b7\u30e7\u30f3\u30d3\u30c3\u30c8\u306e\u8a2d\u5b9a\n\/\/--------------------------------------\n_CONFIG2( POSCMOD_NONE & \/\/ Primary oscillator disabled\n IOL1WAY_OFF & \/\/ IOLOCK may be changed via unlocking seq\n OSCIOFNC_ON & \/\/ OSC2\/CLKO\/RC15 functions as port I\/O (RC15)\n FCKSM_CSDCMD & \/\/ Clock switching and Fail-Safe Clock Monitor are disabled\n FNOSC_FRC & \/\/ Fast RC Oscillator (FRC)\n WUTSEL_LEG \/\/ Legacy Wake-up Timer\n );\n\n_CONFIG1 ( FWDTEN_OFF & \/\/ Watchdog Timer is disabled\n ICS_PGx1 & \/\/ Emulator EMUC1\/EMUD1 pins are shared with PGC1\/PGD1\n COE_ON & \/\/ Reset Into Clip On Emulation Mode\n BKBUG_ON & \/\/ Device resets into Debug mode\n GWRP_OFF & \/\/ Writes to program memory are allowed\n GCP_OFF & \/\/ Code protection is disabled\n JTAGEN_OFF \/\/ JTAG port is disabled\n );\n\n\nint main( void )\n{ \n volatile int recvCount = 0; \/\/ \u53d7\u4fe1\u6587\u5b57\u6570\n volatile int errCount = 0; \/\/ \u53d7\u4fe1\u30a8\u30e9\u30fc\u56de\u6570\n volatile int waitCount = 0; \/\/ \u9001\u4fe1\u5f85\u3061\u56de\u6570\n \n \n \/\/------------------------------------\n \/\/ \u30af\u30ed\u30c3\u30af\u306e\u5b9a\u7fa9\n \/\/------------------------------------\n OSCCONbits.COSC = 0; \/\/ CPU\u30af\u30ed\u30c3\u30af\u306bFast RC Oscillator (FRC)\u3092\u4f7f\u7528\n CLKDIVbits.DOZE = 0; \/\/ \u30af\u30ed\u30c3\u30af\u306e\u30ec\u30fc\u30c81:1(postscaler)\n CLKDIVbits.RCDIV = 0; \/\/ 8Mhz(prescaler)\n \n \n \/\/------------------------------------\n \/\/ RP\u30d4\u30f3\u306e\u5f79\u5272\u30de\u30c3\u30d4\u30f3\u30b0\u8a2d\u5b9a\n \/\/------------------------------------ \n iPPSOutput( OUT_PIN_PPS_RP5, OUT_FN_PPS_U1TX ); \/\/ RP5\u3092 UART1\u306eTXD\u3068\u3057\u3066\u4f7f\u7528\n iPPSInput( IN_FN_PPS_U1RX, IN_PIN_PPS_RP6 ); \/\/ RP6\u3092 UART1\u306eRXD\u3068\u3057\u3066\u4f7f\u7528\n\n\n \/\/----------------------\n \/\/ UART1\u306e\u30aa\u30fc\u30d7\u30f3\n \/\/----------------------\n CloseUART1();\n\n unsigned int config1 = UART_EN & \/\/ UART\u6709\u52b9\n UART_IDLE_CON & \/\/ \u30a2\u30a4\u30c9\u30eb\u6642\u3082\u52d5\u4f5c\u3055\u305b\u308b\n UART_DIS_WAKE & \/\/ \u30b9\u30ea\u30fc\u30d7\u6642\u306fWakeup\u3055\u305b\u306a\u3044\n UART_IrDA_DISABLE &\n UART_DIS_LOOPBACK & \/\/ \u30eb\u30fc\u30d7\u30d0\u30c3\u30af\u3055\u305b\u306a\u3044\n UART_NO_PAR_8BIT & \/\/ \u30d1\u30ea\u30c6\u30a3\u306a\u30578bit\n UART_1STOPBIT & \/\/ \u30b9\u30c8\u30c3\u30d7\u30d3\u30c3\u30c81\n UART_MODE_SIMPLEX & \/\/ \u30d5\u30ed\u30fc\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u7121\u3057\n UART_UEN_00 &\n UART_UXRX_IDLE_ONE & \/\/ U1RX\u306e\u30a2\u30a4\u30c9\u30eb\u30921\u306b\u3059\u308b\n UART_BRGH_SIXTEEN & \/\/ \u9ad8\u901f\u8ee2\u9001\u3092\u7121\u52b9\n UART_DIS_ABAUD; \/\/ \u30dc\u30fc\u30ec\u30fc\u30c8\u306e\u81ea\u52d5\u691c\u51fa\u3092\u7121\u52b9\n \n unsigned int config2 = UART_INT_TX_BUF_EMPTY & \/\/ TXD\u30d0\u30c3\u30d5\u30a1\u304c\u7a7a\u306e\u3068\u304d\u5272\u308a\u8fbc\u307f\u3092\u767a\u751f\n UART_IrDA_POL_INV_ZERO & \/\/ U1TX\u30a2\u30a4\u30c9\u30eb\u30920\u3068\u3059\u308b\n UART_TX_ENABLE & \/\/ TXD\u3092\u6709\u52b9(\u540c\u6642\u306bRXD\u3082\u6709\u52b9\u306b\u306a\u308b\n UART_INT_RX_CHAR & \/\/ RXD\u53d7\u4fe1\u6642\u306b\u5272\u308a\u8fbc\u307f\u3092\u767a\u751f\n UART_ADR_DETECT_DIS & \n UART_RX_OVERRUN_CLEAR; \n \n OpenUART1(config1, config2, UART_CLK8MHZ_9600BPS );\n\n ConfigIntUART1( UART_RX_INT_DIS & UART_TX_INT_DIS ); \n \n \n\n \/\/-----------------------------\n \/\/ \u30b7\u30ea\u30a2\u30eb\u9001\u53d7\u4fe1\u306e\u7121\u9650\u30eb\u30fc\u30d7\n \/\/ \u4e00\u5b9a\u5468\u671f\u3067\u6587\u5b57\u3092\u9001\u4fe1\u3057\u307e\u3059\n \/\/-----------------------------\n while(1) {\n volatile unsigned int recvText;\n volatile long int loop;\n\n \/\/-------------------------\n \/\/ \u5b9a\u671f\u7684\u306b\u6587\u5b57\u3092\u9001\u4fe1\u3059\u308b\n \/\/-------------------------\n \n \/\/ 1byte\u66f8\u304d\u8fbc\u307f\n U1TXREG = 'a';\n \n \/\/\u30d0\u30c3\u30d5\u30a1\u304c\u7a7a\u306b\u306a\u308b\u307e\u3067\u5f85\u3064(TRMT:bit8)\n while ( U1STAbits.TRMT == 0 ) {\n waitCount++;\n }\n\n \/\/ \u3061\u3087\u3063\u3068\u5f85\u3064 \n for ( loop = 0; loop < 10000; loop++) { \n \/* nop *\/;\n }\n } \n \n return 0;\n}\n<\/pre>\n
\n\u4eca\u56de\u3001Microchip PIC24F\u306ePeripheral Library\u3092\u4f7f\u7528\u3057\u3066\u307f\u307e\u3057\u305f\u3002
\n
\n
\nRP\u30d4\u30f3\u306e\u5f79\u5272\u30de\u30c3\u30d4\u30f3\u30b0\u8a2d\u5b9a\u306e...
\n\n iPPSOutput( OUT_PIN_PPS_RP5, OUT_FN_PPS_U1TX ); \/\/ RP5\u3092 UART1\u306eTXD\u3068\u3057\u3066\u4f7f\u7528\n<\/pre>\n
\n\u306f\u3001\u4ee5\u4e0b\u306e\u30b3\u30fc\u30c9\u3068\u7b49\u4fa1\u3067\u3059\u3002
\n\n RPOR2bits.RP5R = 3;\n<\/pre>\n
\n
\n
\n
\n\u307e\u305f\u3001OpenUART1()\u306f\u3001\u4ee5\u4e0b\u306e\u30b3\u30fc\u30c9\u3068\u540c\u3058\u3067\u3059\u3002
\n\n \/\/ I\/O\u30ec\u30b8\u30b9\u30bf\u3092\u76f4\u63a5\u6307\u5b9a\u3059\u308b\u5834\u5408\n U1MODEbits.UARTEN = 1;\n U1MODEbits.USIDL = 0;\n U1MODEbits.IREN = 0;\n U1MODEbits.RTSMD = 1;\n U1MODEbits.UEN = 0;\n U1MODEbits.WAKE = 0;\n U1MODEbits.LPBACK = 0;\n U1MODEbits.ABAUD = 0;\n U1MODEbits.RXINV = 0;\n U1MODEbits.BRGH = 0; \n U1MODEbits.PDSEL = 0;\n U1MODEbits.STSEL = 0;\n \n U1STAbits.UTXISEL1 = 0;\n U1STAbits.UTXINV = 0;\n U1STAbits.UTXBRK = 0;\n U1STAbits.UTXEN = 1;\n U1STAbits.URXISEL = 0;\n U1STAbits.ADDEN = 0;\n \n U1BRG = UART_CLK8MHZ_9600BPS;\n<\/pre>\n
\n
\n
\n\u5b9f\u969b\u306e\u6587\u5b57\u9001\u4fe1\u30eb\u30fc\u30d7\u306f\u3001\u4ee5\u4e0b\u306e\u30b3\u30fc\u30c9\u306b\u5909\u66f4\u3059\u308b\u3068\u6e21\u3055\u308c\u305f\u6587\u5b57\u306e\u30a8\u30b3\u30fc\u30d0\u30c3\u30af\u304c\u884c\u3048\u307e\u3059
\n\n while(1) {\n \/\/---------------------------------------\n \/\/ \u53d7\u4fe1\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u3066\u3044\u306a\u3044\u304b\u30c1\u30a7\u30c3\u30af \n \/\/---------------------------------------\n if ( U1STAbits.PERR == 1 || U1STAbits.FERR == 1 || U1STAbits.OERR == 1 ) {\n errCount++;\n }\n\n \/\/----------------------------- \n \/\/ \u30d0\u30c3\u30d5\u30a1\u304b\u3089\u6587\u5b57\u3092\u53d7\u4fe1\u3059\u308b\n \/\/----------------------------- \n if ( U1STAbits.URXDA == 1 ) {\n recvText = U1RXREG;\n recvCount++;\n\n \/\/----------------------------- \n \/\/ \u30a8\u30b3\u30fc\u30d0\u30c3\u30af\u3059\u308b \n \/\/----------------------------- \n U1TXREG = recvText;\n \n \/\/\u30d0\u30c3\u30d5\u30a1\u304c\u7a7a\u306b\u306a\u308b\u307e\u3067\u5f85\u3064\n while ( U1STAbits.TRMT == 0 ) {\n waitCount++;\n } \n }\n } \n<\/pre>\n
\n\u9001\u53d7\u4fe1\u51e6\u7406\u306f\u3001byte\u5358\u4f4d\u3067\u306e\u9001\u4fe1\u306b\u52a0\u3048\u3066\u3001\u6587\u5b57\u5217\u5358\u4f4d\u306egetsUART1()\/putsUART1() \u3082\u4f7f\u7528\u3067\u304d\u308b\u3088\u3046\u3067\u3059\u3002
\n\ngetsUART1(\n unsigned int length, \n unsigned int * buffer, \n unsigned int uart_data_wait\n);\n\nputsUART1(\n unsigned int * buffer\n);\n<\/pre>\n
\n<\/p>\n","protected":false},"excerpt":{"rendered":"PIC24\u3067UART\u6a5f\u80fd\u3092\u4f7f\u7528\u3059\u308b\u30b5\u30f3\u30d7\u30eb\u3067\u3059\u3002 \u3068\u308a\u3042\u3048\u305a\u52d5\u3044\u305f\u306e\u3067\u3001\u30e1\u30e2\u4ee3\u308f\u308a\u306b\u30a2\u30c3\u30d7\u3057\u3066\u304a\u304d\u307e\u3059\u3002 \u8a2d\u5b9a\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3002 PIC24FJ32GA002\u3067\u78ba\u8a8d UART1\u3092\u4f7f\u7528 \u9001\u53d7\u4fe1\u51e6\u7406\u306f\u30dd\u30fc\u30ea\u30f3\u30b0\u30d9\u30fc\u30b9(\u5272\u308a\u8fbc\u307f\u306f\u4f7f\u308f\u306a\u3044) 9600bps 8bit \u30ce\u30f3\u30d1\u30ea\u30c6\u30a3 \u30b9\u30c8\u30c3\u30d7 1bit TxD\u306e\u30d4\u30f3: RP5 RxD\u306e\u30d4\u30f3: RP6 PIC\u304b\u3089\u306e\u51fa\u529b\u306fFT2232\u7d4c\u7531\u3067PC\u306b\u53d6\u308a\u8fbc\u307f\u307e\u3059\u3002 #include #include “uart.h” #include “PPS.h” #define UART_CLK8MHZ_9600BPS 25 \/\/———————–\u2026<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"spay_email":"","jetpack_publicize_message":"","jetpack_is_tweetstorm":false,"jetpack_publicize_feature_enabled":true},"categories":[105],"tags":[145,141,149],"jetpack_featured_media_url":"","jetpack_publicize_connections":[],"jetpack_sharing_enabled":true,"jetpack-related-posts":[{"id":5013,"url":"http:\/\/nanoappli.com\/blog\/archives\/5013","url_meta":{"origin":5041,"position":0},"title":"PIC24\u3067\u51fa\u529b\u30b3\u30f3\u30da\u30a2\u3092\u4f7f\u7528\u3057\u3066,\u6307\u5b9a\u3057\u305f\u5468\u6ce2\u6570\u3067\u77e9\u5f62\u6ce2\u3092\u51fa\u529b\u3059\u308b","date":"2012\u5e7410\u670813\u65e5","format":false,"excerpt":"PIC24F\u306b\u306f\u3001\u30bf\u30a4\u30de\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u4f7f\u7528\u3057\u305f\u51fa\u529b\u30b3\u30f3\u30da\u30a2\u6a5f\u80fd\u304c\u3042\u308a\u307e\u3059\u3002 \u51fa\u529b\u30b3\u30f3\u30da\u30a2\u6a5f\u80fd\u306b\u306f\u3001\u4ee5\u4e0b\u2026","rel":"","context":"","img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":4957,"url":"http:\/\/nanoappli.com\/blog\/archives\/4957","url_meta":{"origin":5041,"position":1},"title":"[PIC]C30\u30b3\u30f3\u30d1\u30a4\u30e9\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b(dsPIC,PIC24\u7528)","date":"2012\u5e7410\u670812\u65e5","format":false,"excerpt":"\u672c\u8a18\u4e8b\u3067\u306fPIC\u306eC\u8a00\u8a9e\u5411\u3051\u30b3\u30f3\u30d1\u30a4\u30e9\u3067\u3042\u308b\u3001C30\u30b3\u30f3\u30d1\u30a4\u30e9\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3068\u52d5\u4f5c\u78ba\u8a8d\u3092\u884c\u3044\u307e\u3059\u3002 \u2026","rel":"","context":"","img":{"alt_text":"","src":"https:\/\/i0.wp.com\/nanoappli.com\/blog\/wp-content\/uploads\/2012\/10\/20121012_07.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":4105,"url":"http:\/\/nanoappli.com\/blog\/archives\/4105","url_meta":{"origin":5041,"position":2},"title":"[PIC]HI-TECH C\u3067\u30b3\u30f3\u30d5\u30a3\u30ae\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u30d3\u30c3\u30c8\u3092\u6307\u5b9a\u3059\u308b","date":"2012\u5e748\u670828\u65e5","format":false,"excerpt":"PIC\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u30a2\u30bb\u30f3\u30d6\u30ea(MPASM)\u3067\u4f5c\u6210\u3059\u308b\u5834\u5408\u306f\u3001CONFIG\u547d\u4ee4\u3067\u30b3\u30f3\u30d5\u30a3\u30ae\u30e5\u30ec\u30fc\u30b7\u30e7\u2026","rel":"","context":"","img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":5531,"url":"http:\/\/nanoappli.com\/blog\/archives\/5531","url_meta":{"origin":5041,"position":3},"title":"[PIC18]PWM\u6a5f\u80fd\u3092\u4f7f\u7528\u3057\u3066LED\u3092\u3075\u3093\u308f\u308a\u70b9\u6ec5\u3055\u305b\u308b","date":"2012\u5e7411\u67087\u65e5","format":false,"excerpt":"PIC18\u30b7\u30ea\u30fc\u30ba\u306e\u30de\u30a4\u30b3\u30f3\u3067\u3001PWM\u51fa\u529b\u3092\u5229\u7528\u3057\u3066LED\u3092\u3075\u3093\u308f\u308a\u70b9\u6ec5\u3055\u305b\u3066\u307f\u307e\u3059\u3002 \u4eca\u56de\u306fCCP\u2026","rel":"","context":"","img":{"alt_text":"","src":"https:\/\/i0.wp.com\/nanoappli.com\/blog\/wp-content\/uploads\/2012\/11\/20121110_05-500x339.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":4948,"url":"http:\/\/nanoappli.com\/blog\/archives\/4948","url_meta":{"origin":5041,"position":4},"title":"[PIC]PIC\u306e\u8cc7\u6599\u306b\u3042\u308b”R-M-W”\u306e\u610f\u5473","date":"2012\u5e7410\u670813\u65e5","format":false,"excerpt":"PIC\u306b\u3064\u3044\u3066\u66f8\u304b\u308c\u305f\u8cc7\u6599\u3084\u66f8\u7c4d\u3092\u898b\u308b\u3068\u3001\u51fa\u529b\u30d4\u30f3\u306e\u8aac\u660e\u3067\"R-M-W\"\u3068\u66f8\u304b\u308c\u3066\u3044\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u2026","rel":"","context":"","img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":4086,"url":"http:\/\/nanoappli.com\/blog\/archives\/4086","url_meta":{"origin":5041,"position":5},"title":"[PIC] 16F84A->16F88\u3067,\u30d4\u30f3\u306b\u8ffd\u52a0\u3055\u308c\u305f\u6a5f\u80fd\u3092\u78ba\u8a8d\u3059\u308b","date":"2012\u5e749\u67082\u65e5","format":false,"excerpt":"PIC\u306e\u5165\u9580\u5411\u3051\u66f8\u7c4d\u3067\u3088\u304f\u7d39\u4ecb\u3055\u308c\u3066\u3044\u308bPIC16F84A\u3067\u3059\u304c\u300116F84A\u3068\u30d4\u30f3\u4e92\u63db\u304c\u3042\u308a\u306a\u304c\u3089\u2026","rel":"","context":"","img":{"alt_text":"","src":"https:\/\/i0.wp.com\/nanoappli.com\/blog\/wp-content\/uploads\/2012\/09\/20120902_07.jpg?resize=350%2C200","width":350,"height":200},"classes":[]}],"_links":{"self":[{"href":"http:\/\/nanoappli.com\/blog\/wp-json\/wp\/v2\/posts\/5041"}],"collection":[{"href":"http:\/\/nanoappli.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/nanoappli.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/nanoappli.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/nanoappli.com\/blog\/wp-json\/wp\/v2\/comments?post=5041"}],"version-history":[{"count":4,"href":"http:\/\/nanoappli.com\/blog\/wp-json\/wp\/v2\/posts\/5041\/revisions"}],"predecessor-version":[{"id":5050,"href":"http:\/\/nanoappli.com\/blog\/wp-json\/wp\/v2\/posts\/5041\/revisions\/5050"}],"wp:attachment":[{"href":"http:\/\/nanoappli.com\/blog\/wp-json\/wp\/v2\/media?parent=5041"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/nanoappli.com\/blog\/wp-json\/wp\/v2\/categories?post=5041"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/nanoappli.com\/blog\/wp-json\/wp\/v2\/tags?post=5041"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}