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Merge pull request #949 from kkitayam/add_suspend_and_resume_for_rx_family 

Add SUSPEND/RESUME handling for Renesas RX family.
This commit is contained in:
Ha Thach 2021-07-05 20:46:11 +07:00 committed by GitHub
parent 2ae19ce40d 1ff3b76451
commit 4468b14580
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 30 additions and 3 deletions
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33
src/portable/renesas/usba/dcd_usba.c
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@ -63,7 +63,10 @@
#define USB_IS0_CTSQ_SETUP (1u)
#define USB_IS0_DVSQ_DEF (1u<<4)
#define USB_IS0_DVSQ_ADDR (2u<<4)
#define USB_IS0_DVSQ_SUSP (4u<<4)
#define USB_IS0_DVSQ_SUSP0 (4u<<4)
#define USB_IS0_DVSQ_SUSP1 (5u<<4)
#define USB_IS0_DVSQ_SUSP2 (6u<<4)
#define USB_IS0_DVSQ_SUSP3 (7u<<4)
#define USB_PIPECTR_PID_NAK (0u)
#define USB_PIPECTR_PID_BUF (1u)
@ -125,6 +128,7 @@ typedef struct
{
pipe_state_t pipe[9];
uint8_t ep[2][16]; /* a lookup table for a pipe index from an endpoint address */
uint8_t suspended;
} dcd_data_t;
//--------------------------------------------------------------------+
@ -517,7 +521,8 @@ void dcd_init(uint8_t rhport)
/* Setup default control pipe */
USB0.DCPMAXP.BIT.MXPS = 64;
USB0.INTENB0.WORD = USB_IS0_VBINT | USB_IS0_BRDY | USB_IS0_BEMP | USB_IS0_DVST | USB_IS0_CTRT;
USB0.INTENB0.WORD = USB_IS0_VBINT | USB_IS0_BRDY | USB_IS0_BEMP |
USB_IS0_DVST | USB_IS0_CTRT | USB_IS0_SOFR | USB_IS0_RESM;
USB0.BEMPENB.WORD = 1;
USB0.BRDYENB.WORD = 1;
@ -547,7 +552,7 @@ void dcd_set_address(uint8_t rhport, uint8_t dev_addr)
void dcd_remote_wakeup(uint8_t rhport)
{
(void)rhport;
/* TODO */
USB0.DVSTCTR0.BIT.WKUP = 1;
}
void dcd_connect(uint8_t rhport)
@ -689,6 +694,22 @@ void dcd_int_handler(uint8_t rhport)
dcd_disconnect(rhport);
}
}
if (is0 & USB_IS0_RESM) {
dcd_event_bus_signal(rhport, DCD_EVENT_RESUME, true);
_dcd.suspended = 0;
}
if (is0 & USB_IS0_SOFR) {
if (_dcd.suspended) {
/* When USB host resumes caused by `dcd_remote_wakeup()`,
* RESM interrupt does not rise.
* Therefore we need to manually send resume event.
* Of course, when USB host resumes on its own,
* RESM interrupt rise properly, then this statements are ignored. */
dcd_event_bus_signal(rhport, DCD_EVENT_RESUME, true);
_dcd.suspended = 0;
}
dcd_event_bus_signal(rhport, DCD_EVENT_SOF, true);
}
if (is0 & USB_IS0_DVST) {
switch (is0 & USB_IS0_DVSQ) {
case USB_IS0_DVSQ_DEF:
@ -697,6 +718,12 @@ void dcd_int_handler(uint8_t rhport)
case USB_IS0_DVSQ_ADDR:
process_set_address(rhport);
break;
case USB_IS0_DVSQ_SUSP0:
case USB_IS0_DVSQ_SUSP1:
case USB_IS0_DVSQ_SUSP2:
case USB_IS0_DVSQ_SUSP3:
dcd_event_bus_signal(rhport, DCD_EVENT_SUSPEND, true);
_dcd.suspended = 1;
default:
break;
}