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Use PHY's high-speed disconnect detector

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This commit is contained in:
PaulStoffregen 2017-02-09 05:51:06 -08:00
parent 91e1ceb0eb
commit 6122604f55
1 changed files with 5 additions and 1 deletions
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6
k66_usbhost.ino
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@ -277,10 +277,10 @@ void usbhs_isr(void)
USBHS_GPTIMERCTL_RST | USBHS_GPTIMERCTL_RUN;
stat &= ~USBHS_USBSTS_TI0;
}
// TODO: should ENHOSTDISCONDETECT be set? K66 ref, page 1701
} else {
Serial.println(" disconnect");
port_state = PORT_STATE_DISCONNECTED;
USBPHY_CTRL_CLR = USBPHY_CTRL_ENHOSTDISCONDETECT;
// TODO: delete & clean up device state...
}
}
@ -293,6 +293,10 @@ void usbhs_isr(void)
// 10 ms reset recover (USB 2.0: TRSTRCY, page 151 & 188)
USBHS_GPTIMER0LD = 10000; // microseconds
USBHS_GPTIMER0CTL = USBHS_GPTIMERCTL_RST | USBHS_GPTIMERCTL_RUN;
if (USBHS_PORTSC1 & USBHS_PORTSC_HSP) {
// turn on high-speed disconnect detector
USBPHY_CTRL_SET = USBPHY_CTRL_ENHOSTDISCONDETECT;
}
}
if (portstat & USBHS_PORTSC_FPR) {
Serial.println(" force resume");