kopia lustrzana https://github.com/pa3gsb/Radioberry-2.x
firmwareloader
pa3gsb
rodzic
a93b896988
commit
d5cd2732f0
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@ -0,0 +1,44 @@
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ifneq ($V,1)
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Q ?= @
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endif
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#DEBUG = -g -O0
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DEBUG = -O3
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CC = gcc
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INCLUDE = -I/usr/local/include
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CFLAGS = $(DEBUG) -Wall $(INCLUDE) -Winline -pipe
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LDFLAGS = -L/usr/local/lib
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LDLIBS = -lwiringPi -lwiringPiDev -lpthread -lm
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SRC = loadFPGA.c
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OBJ = $(SRC:.c=.o)
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BINS = $(SRC:.c=)
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all:
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$Q cat README.TXT
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$Q echo " $(BINS)" | fmt
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$Q echo ""
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really-all: $(BINS)
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loadFPGA: loadFPGA.o
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$Q echo [link]
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$Q $(CC) -o $@ loadFPGA.o $(LDFLAGS) $(LDLIBS)
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.c.o:
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$Q echo [CC] $<
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$Q $(CC) -c $(CFLAGS) $< -o $@
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clean:
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$Q echo "[Clean]"
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$Q rm -f $(OBJ) *~ core tags $(BINS)
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tags: $(SRC)
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$Q echo [ctags]
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$Q ctags $(SRC)
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depend:
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makedepend -Y $(SRC)
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#include <stdio.h>
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#include <wiringPi.h>
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#include "loadFPGA.h"
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#define S_CUR 1 /* SEEK_CUR */
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#define S_END 2 /* SEEK_END */
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#define S_SET 0 /* SEEK_SET */
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#define iPinCONF_DONE 3
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#define iPinNSTATUS 25
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#define oPinNCONFIG 2
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#define oPinDATA 23
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#define oPinDCLK 5
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int main (void)
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{
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printf ("Raspberry Pi - RadioBerry Firmware Loader\n") ;
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printf ("==============================\n") ;
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printf ("\n") ;
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int file_id;
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wiringPiSetup () ;
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pinMode (iPinCONF_DONE, INPUT);
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pinMode (iPinNSTATUS, INPUT);
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pinMode (oPinNCONFIG, OUTPUT);
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pinMode (oPinDATA, OUTPUT);
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pinMode (oPinDCLK, OUTPUT);
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/* Open programming file as READ and in BINARY */
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file_id = fopen_rbf( "radioberry.rbf", "rb" );
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if ( file_id )
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fprintf( stdout, "Info: Programming file: \"%s\" opened...\n", "radioberry.rbf" );
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else
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{
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fprintf( stderr, "Error: Could not open programming file: \"%s\"\n", "radioberry.rbf" );
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return -1;
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}
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/* Processing and Programming */
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processFileInput( file_id );
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if ( file_id )
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fclose_rbf(file_id);
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return 0;
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}
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void processFileInput( int finputid )
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{
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int seek_position = 0; /* file pointer position */
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long int file_size = 0; /* programming file size */
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int one_byte = 0; /* the byte to program */
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long int i = 0; /* standard counter variable */
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/* Get file size */
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seek_position = fseek_rbf( finputid, 0, S_END );
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if ( seek_position )
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{
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fprintf( stderr, "Error: End of file could not be located!\n" );
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return;
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}
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file_size = ftell_rbf( finputid );
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fprintf( stdout, "Info: Programming file size: %ld\n", file_size );
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fseek_rbf( finputid, 0, S_SET );
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/* Start configuration */
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if (prepareLoading() == -1) return;
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/* Loop through every single byte */
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for ( i = 0; i < file_size; i++ )
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{
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one_byte = fgetc_rbf( finputid );
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programByte( one_byte );
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}
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/* Check if loading succeeded*/
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if (digitalRead(iPinNSTATUS) == 0) {
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fprintf( stderr, "Error: programming failed; nstatus is low\n" );
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return;
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} else if(digitalRead(iPinCONF_DONE) == 0) {
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fprintf( stderr, "Error: programming failed; conf done is low\n" );
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return;
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}
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/* Initialize device */
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digitalWrite (oPinDCLK, 1);
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digitalWrite (oPinDCLK, 0);
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digitalWrite (oPinDCLK, 1);
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digitalWrite (oPinDCLK, 0);
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fprintf( stdout, "Info: programming succeeded\n" );
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}
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void programByte( int one_byte )
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{
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int bit = 0;
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int i = 0;
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/* write from LSb to MSb */
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for ( i = 0; i < 8; i++ )
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{
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bit = one_byte >> i;
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bit = bit & 0x1;
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digitalWrite (oPinDATA, bit);
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digitalWrite (oPinDCLK, 1);
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digitalWrite (oPinDCLK, 0);
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}
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}
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int prepareLoading()
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{
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fprintf( stdout, "Info: prepareLoading\n" );
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//fprintf( stdout, "Info: iPinNstatus is : %d\n", digitalRead(iPinNSTATUS) );
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digitalWrite (oPinNCONFIG, 0) ;
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digitalWrite (oPinDATA, 0) ;
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digitalWrite (oPinDCLK, 0) ;
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delay(1);
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digitalWrite (oPinNCONFIG, 1) ;
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int count = 0;
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while (digitalRead(iPinNSTATUS) == 0) {
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count++;
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delay(10);
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if (count >= 255) {
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fprintf( stderr, "Error: prepareLoading failed\n" );
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return -1;
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}
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}
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return 0;
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}
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int fopen_rbf( char argv[], char* mode)
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{
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FILE* file_id;
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file_id = fopen( argv, mode );
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return (int) file_id;
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}
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int fclose_rbf( int file_id)
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{
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fclose( (FILE*) file_id);
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return 0;
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}
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int fseek_rbf( int finputid, int start, int end )
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{
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int seek_position;
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seek_position = fseek( (FILE*) finputid, start, end );
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return seek_position;
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}
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int ftell_rbf( int finputid )
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{
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int file_size;
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file_size = ftell( (FILE*) finputid );
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return file_size;
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}
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int fgetc_rbf( int finputid )
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{
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int one_byte;
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one_byte = fgetc( (FILE*) finputid );
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return one_byte;
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}
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@ -0,0 +1,9 @@
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int fopen_rbf ( char*, char* );
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int fclose_rbf ( int file_id );
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int fseek_rbf ( int, int, int );
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int ftell_rbf ( int finputid );
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int fgetc_rbf ( int finputid );
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void processFileInput ( int finputid );
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int prepareLoading ();
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void programByte ( int one_byte );
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