flash and burn
completely untested.
This commit is contained in:
Mariano Alvira
parent
102149cd91
commit
c0b912dca2
1
Makefile
1
Makefile
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@ -60,6 +60,7 @@ ALL = $(TESTS:.c=.srec) $(TESTS:.c=.bin) $(TESTS:.c=.dis)
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all: src/start.o src/isr.o $(ALL)
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tests/flasher.obj: src/maca.o src/nvm.o
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tests/nvm-read.obj: src/maca.o src/nvm.o
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tests/nvm-write.obj: src/maca.o src/nvm.o
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tests/rftest-rx.obj: src/maca.o src/nvm.o
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@ -7,11 +7,13 @@ use Getopt::Long;
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use strict;
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my $filename = '';
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my $second = '';
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my $term = '/dev/ttyUSB0';
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my $baud = '115200';
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my $verbose;
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GetOptions ('file=s' => \$filename,
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'secondfile=s' => \$second,
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'terminal=s' => \$term,
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'verbose' => \$verbose,
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'baud=s' => \$baud);
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@ -20,7 +22,9 @@ $| = 1;
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if($filename eq '') {
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print "Example usage: mc1322x-load.pl -f foo.bin -t /dev/ttyS0 -b 9600\n";
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print " or : mc1322x-load.pl -f flasher.bin -s flashme.bin\n";
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print " -f required: binary file to load\n";
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print " -s optional: secondary binary file to send\n";
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print " -t default: /dev/ttyUSB0\n";
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print " -b default: 115200\n";
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exit;
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@ -29,7 +33,7 @@ if($filename eq '') {
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my $ob = Device::SerialPort->new ($term) or die "Can't start $term\n";
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# next test will die at runtime unless $ob
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$baud = 115200 if (!defined($baud));
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if(($filename eq '')) die "you must specify a file with -f\n";
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$ob->baudrate($baud);
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$ob->parity('none');
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@ -37,36 +41,55 @@ $ob->databits(8);
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$ob->stopbits(1);
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$ob->handshake("rts");
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my $c;
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my $s = 0;
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$ob->write(pack('C','0'));
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SEND:
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do {
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my $ret = '';
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until($ret eq 'CONNECT') {
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$c = $ob->input;
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$ret .= $c;
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}
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print $ret . "\n";
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my $c;
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if($s == 1) { print "performing secondary send\n"; }
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$ob->write(pack('C','0'));
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my $ret = '';
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my $test;
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if($s == 1) {
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$test = 'ready';
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} else {
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$test = 'CONNECT';
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}
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until($ret eq $test) {
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$c = $ob->input;
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$ret .= $c;
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}
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print $ret . "\n";
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if (defined $filename) {
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if (defined $filename) {
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my $size = -s $filename;
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my $size = -s $filename;
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print ("Size: $size bytes\n");
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$ob->write(pack('V',$size));
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print ("Size: $size bytes\n");
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$ob->write(pack('V',$size));
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open(FILE, $filename) or die($!);
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print "Sending $filename\n";
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open(FILE, $filename) or die($!);
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print "Sending $filename\n";
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my $i = 1;
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while(read(FILE, $c, 1)) {
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print unpack('H',$c) . unpack('h',$c) if $verbose;
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print "\n" if ($verbose && ($i%4==0));
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$i++;
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select undef, undef, undef, 0.001;
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$ob->write($c);
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}
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}
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if(-e $second) {$s=1; $filename = $second; continue SEND; }
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my $i = 1;
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while(read(FILE, $c, 1)) {
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print unpack('H',$c) . unpack('h',$c) if $verbose;
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print "\n" if ($verbose && ($i%4==0));
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$i++;
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select undef, undef, undef, 0.001;
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$ob->write($c);
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}
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}
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print "done.\n";
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165
tests/flasher.c
Normal file
165
tests/flasher.c
Normal file
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@ -0,0 +1,165 @@
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#define GPIO_FUNC_SEL0 0x80000018 /* GPIO 15 - 0; 2 bit blocks */
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#define BASE_UART1 0x80005000
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#define UART1_CON 0x80005000
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#define UART1_STAT 0x80005004
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#define UART1_DATA 0x80005008
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#define UR1CON 0x8000500c
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#define UT1CON 0x80005010
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#define UART1_CTS 0x80005014
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#define UART1_BR 0x80005018
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#define GPIO_PAD_DIR0 0x80000000
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#define GPIO_DATA0 0x80000008
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#include "embedded_types.h"
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#include "nvm.h"
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#include "maca.h"
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#define reg(x) (*(volatile uint32_t *)(x))
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#define DELAY 400000
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void putc(uint8_t c);
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void puts(uint8_t *s);
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void put_hex(uint8_t x);
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void put_hex16(uint16_t x);
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void put_hex32(uint32_t x);
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uint8_t getc();
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const uint8_t hex[16]={'0','1','2','3','4','5','6','7',
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'8','9','a','b','c','d','e','f'};
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#include "isr.h"
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#define NBYTES 8
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#define WRITE_ADDR 0x1e000
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//#define WRITE_ADDR 0x0
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#define WRITEVAL0 0x00000001
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#define WRITEVAL1 0x00000000
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__attribute__ ((section ("startup")))
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void main(void) {
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nvmType_t type=0;
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nvmErr_t err;
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uint8_t c;
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uint32_t buf[NBYTES/4];
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uint32_t i;
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uint32_t len=0;
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*(volatile uint32_t *)GPIO_PAD_DIR0 = 0x00000100;
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/* Restore UART regs. to default */
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/* in case there is still bootloader state leftover */
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reg(UART1_CON) = 0x0000c800; /* mask interrupts, 16 bit sample --- helps explain the baud rate */
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/* INC = 767; MOD = 9999 works: 115200 @ 24 MHz 16 bit sample */
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#define INC 767
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#define MOD 9999
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reg(UART1_BR) = INC<<16 | MOD;
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/* see Section 11.5.1.2 Alternate Modes */
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/* you must enable the peripheral first BEFORE setting the function in GPIO_FUNC_SEL */
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/* From the datasheet: "The peripheral function will control operation of the pad IF */
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/* THE PERIPHERAL IS ENABLED. */
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reg(UART1_CON) = 0x00000003; /* enable receive and transmit */
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reg(GPIO_FUNC_SEL0) = ( (0x01 << (14*2)) | (0x01 << (15*2)) ); /* set GPIO15-14 to UART (UART1 TX and RX)*/
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vreg_init();
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// puts("CRM status: 0x");
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// put_hex32(reg(0x80003018));
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// puts("\n\r");
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puts("Detecting internal nvm\n\r");
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err = nvm_detect(gNvmInternalInterface_c, &type);
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puts("nvm_detect returned: 0x");
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put_hex(err);
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puts(" type is: 0x");
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put_hex32(type);
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puts("\n\r");
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/* erase the flash */
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err = nvm_erase(gNvmInternalInterface_c, type, 0x4fffffff);
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puts("nvm_erase returned: 0x");
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put_hex(err);
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puts("\n\r");
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/* say we are ready */
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ready:
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len = 0;
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puts("ready");
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/* read the length */
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for(i=0; i<4; i++) {
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c = getc();
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/* bail if the first byte of the length is zero */
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if((i==0) && (c==0)) goto ready;
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len += (len<<(i*8));
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puts("len: ");
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put_hex32(len);
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puts("\n\r");
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}
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/* write the OKOK magic */
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buf[0] = 'O'; buf[1] = 'K'; buf[2] = 'O'; buf[3] = 'K';
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err = nvm_write(gNvmInternalInterface_c, type, (uint8_t *)buf, 0, 4);
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/* read a byte, write a byte */
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/* byte at a time will make this work as a contiki process better */
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/* for OTAP */
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for(i=0; i<len; i++) {
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c = getc();
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err = nvm_write(gNvmInternalInterface_c, type, &c, 4+i, 1);
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}
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puts("flasher done\n\r");
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while(1) {continue;};
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}
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uint8_t getc()
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{
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uint8_t c;
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while(reg(UR1CON) == 0) {
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/* Receive buffer isn't empty */
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/* read a byte and write it to the transmit buffer */
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c = reg(UART1_DATA);
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return c;
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}
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}
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void putc(uint8_t c) {
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while(reg(UT1CON)==31); /* wait for there to be room in the buffer */
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reg(UART1_DATA) = c;
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}
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void puts(uint8_t *s) {
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while(s && *s!=0) {
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putc(*s++);
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}
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}
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void put_hex(uint8_t x)
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{
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putc(hex[x >> 4]);
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putc(hex[x & 15]);
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}
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void put_hex16(uint16_t x)
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{
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put_hex((x >> 8) & 0xFF);
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put_hex((x) & 0xFF);
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}
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void put_hex32(uint32_t x)
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{
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put_hex((x >> 24) & 0xFF);
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put_hex((x >> 16) & 0xFF);
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put_hex((x >> 8) & 0xFF);
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put_hex((x) & 0xFF);
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}
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