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Lots of changes / commits! This allows ravenusbstick example to build at least.

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This commit is contained in:
c_oflynn 2008-10-14 19:06:51 +00:00
parent 6e3ee0d917
commit a520fe4646
18 changed files with 1474 additions and 249 deletions
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135
platform/avr-ravenusb/contiki-raven-default-init-lowlevel.c
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@ -32,74 +32,83 @@
*
* @(#)$$
*/
#include "contiki-raven.h"
#include "contiki.h"
#include "usb_drv.h"
#include "usb_descriptors.h"
#include "usb_specific_request.h"
#include <util/delay.h>
uint8_t checkForFinger(void);
#include "contiki-raven.h"
#include "contiki.h"
#include "usb_drv.h"
#include "usb_descriptors.h"
#include "usb_specific_request.h"
#include <util/delay.h>
uint8_t checkForFinger(void);
uint8_t fingerPresent = 0;
/* Defining this allows you to mount the USB Stick as a mass storage device by shorting the two pins. See docs. */
//#define WINXPSP2
void
init_lowlevel(void)
{
{
Leds_init();
Leds_off();
if (checkForFinger()) {
usb_mode = mass_storage;
}
Leds_off();
if (checkForFinger()) {
#ifdef WINXPSP2
usb_mode = mass_storage;
#else
fingerPresent = 1;
#endif
}
return;
}
uint8_t checkForFinger(void)
{
uint8_t tests;
uint8_t matches;
/*
Three pads on RZUSBSTICK go: GND PD3 PD2
We pulse PD3, and check for that pattern on PD2.
A (moist) finger across those three pads should be enough
to bridge these
*/
//Output
DDRD |= 1<<PD3;
//Input
DDRD &= ~(1<<PD2);
tests = 100;
matches = 0;
while(tests) {
//Set bit PD3 to value of LSB of 'tests'
PORTD = (PORTD & ~(1<<PD3)) | ( (tests & 0x01) << PD3);
//Allow changes to propogate
_delay_us(1);
//Check if PD2 matches what we set PD3 to
if ((PIND & (1<<PD2)) == ((tests & 0x01) << PD2)) {
matches++;
}
tests--;
}
if (matches > 70) {
return 1;
}
return 0;
}
uint8_t checkForFinger(void)
{
uint8_t tests;
uint8_t matches;
/*
Three pads on RZUSBSTICK go: GND PD3 PD2
We pulse PD3, and check for that pattern on PD2.
A (moist) finger across those three pads should be enough
to bridge these
*/
//Output
DDRD |= 1<<PD3;
//Input
DDRD &= ~(1<<PD2);
tests = 100;
matches = 0;
while(tests) {
//Set bit PD3 to value of LSB of 'tests'
PORTD = (PORTD & ~(1<<PD3)) | ( (tests & 0x01) << PD3);
//Allow changes to propogate
_delay_us(1);
//Check if PD2 matches what we set PD3 to
if ((PIND & (1<<PD2)) == ((tests & 0x01) << PD2)) {
matches++;
}
tests--;
}
if (matches > 70) {
return 1;
}
return 0;
}