X-Git-Url: http://wien.tomnetworks.com/gitweb/?a=blobdiff_plain;ds=sidebyside;f=pkernel%2Fuart.c;h=256500ef6bba12dc14300160bccc720a520c6d8a;hb=ccf858667cbb6492aeb2f8ec5d6c05492e926ec3;hp=0c528ddfc1922afe4be1ecf225b086b9d45cc8a9;hpb=96324b051bfefe94b0887d30f1897ed21b25efff;p=pyfrprog.git diff --git a/pkernel/uart.c b/pkernel/uart.c index 0c528dd..256500e 100644 --- a/pkernel/uart.c +++ b/pkernel/uart.c @@ -6,22 +6,15 @@ #include "mb91465k.h" +#pragma section CODE=IRAM,attr=CODE const char ASCII[] = "0123456789ABCDEF"; void InitUart4(void) { // Initialize UART asynchronous mode // BGR04 = 1666; // 9600 Baud @ 16MHz - BGR04 = 832; // 19200 Baud @ 16MHz - // BGR04 = 416; // 38400 Baud @ 16MHz - - // BGR04 = 2083; // 9600 Baud @ 20MHz - // BGR04 = 1041; // 19200 Baud @ 20MHz - // BGR04 = 520; // 38400 Baud @ 20MHz - - // BGR04 = 2499; // 9600 Baud @ 24MHz - // BGR04 = 1249; // 19200 Baud @ 24MHz - // BGR04 = 624; // 38400 Baud @ 24MHz + // BGR04 = 832; // 19200 Baud @ 16MHz + BGR04 = 416; // 38400 Baud @ 16MHz SCR04 = 0x17; // 8N1 SMR04 = 0x0d; // enable SOT3, Reset, normal mode SSR04 = 0x00; // LSB first @@ -29,13 +22,13 @@ void InitUart4(void) EPFR19 = 0x00; // enable UART } -void Putch4(char ch) /* sends a char */ +void Putch4(unsigned char ch) /* sends a char */ { while (SSR04_TDRE == 0); /* wait for transmit buffer empty */ TDR04 = ch; /* put ch into buffer */ } -char Getch4(void) /* waits for and returns incomming char */ +unsigned char Getch4(void) /* waits for and returns incomming char */ { volatile unsigned ch; @@ -110,7 +103,7 @@ void Putdec4(unsigned long x, int digits) buf[digits]='\0'; /* end sign of string */ for (i=digits; i>0; i--) { - buf[i-1] = ASCII[x % 10]; + buf[i-1] = ASCII[x % 10]; // + '0' enough? :o x = x/10; } @@ -125,5 +118,3 @@ void Putdec4(unsigned long x, int digits) Puts4(buf); /* send string */ } - -