retropilot
/
panda
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

teach panda to breathe

master
Firmware Batman 2017-08-22 09:44:08 -07:00
parent 2fa8fc4dde
commit 0400267cd9
1 changed files with 16 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

27
board/main.c
View File

@ -511,6 +511,7 @@ int main() {
#ifdef PANDA
uint64_t marker = 0;
#define CURRENT_THRESHOLD 0xF00
#define CLICKS 8
#endif
for (cnt=0;;cnt++) {
@ -521,7 +522,7 @@ int main() {
switch (usb_power_mode) {
case USB_POWER_CLIENT:
if ((cnt-marker) >= 10) {
if ((cnt-marker) >= CLICKS) {
if (!is_enumerated) {
puts("USBP: didn't enumerate, switching to CDP mode\n");
// switch to CDP
@ -535,8 +536,8 @@ int main() {
}
break;
case USB_POWER_CDP:
// been 10 clicks since we switched to CDP
if ((cnt-marker) >= 10) {
// been CLICKS clicks since we switched to CDP
if ((cnt-marker) >= CLICKS) {
// measure current draw, if positive and no enumeration, switch to DCP
if (!is_enumerated && current < CURRENT_THRESHOLD) {
puts("USBP: no enumeration with current draw, switching to DCP mode\n");
@ -550,8 +551,8 @@ int main() {
}
break;
case USB_POWER_DCP:
// been at least 10 clicks since we switched to DCP
if ((cnt-marker) >= 10) {
// been at least CLICKS clicks since we switched to DCP
if ((cnt-marker) >= CLICKS) {
// if no current draw, switch back to CDP
if (current >= CURRENT_THRESHOLD) {
puts("USBP: no current draw, switching back to CDP mode\n");
@ -567,8 +568,8 @@ int main() {
}
// ~0x9a = 500 ma
puth(current);
puts("\n");
/*puth(current);
puts("\n");*/
#endif
// reset this every 16th pass
@ -589,10 +590,14 @@ int main() {
#endif
// blink the red LED
set_led(LED_RED, 0);
delay(2000000);
set_led(LED_RED, 1);
delay(2000000);
for (int fade = 0; fade < 1024; fade += 8) {
for (int i = 0; i < 128; i++) {
set_led(LED_RED, 0);
if (fade < 512) { delay(512-fade); } else { delay(fade-512); }
set_led(LED_RED, 1);
if (fade < 512) { delay(fade); } else { delay(1024-fade); }
}
}
// turn off the green LED, turned on by CAN
#ifdef PANDA