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Some renaming work for clearness. 

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@10449 35acf78f-673a-0410-8e92-d51de3d6d3f4
This commit is contained in:
Giovanni Di Sirio 2017-08-18 13:35:28 +00:00
parent 62f078360f
commit 9662d58fb6
2 changed files with 31 additions and 30 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
os/hal/include/hal_usb.h
View File

@ -285,13 +285,13 @@ typedef enum {
* @brief Type of an endpoint zero state machine states.
*/
typedef enum {
USB_EP0_WAITING_SETUP, /**< Waiting for SETUP data. */
USB_EP0_TX, /**< Transmitting. */
USB_EP0_WAITING_TX0, /**< Waiting transmit 0. */
USB_EP0_WAITING_STS, /**< Waiting status. */
USB_EP0_RX, /**< Receiving. */
USB_EP0_SENDING_STS, /**< Sending status. */
USB_EP0_ERROR /**< Error, EP0 stalled. */
USB_EP0_STP_WAITING = 0, /**< Waiting for SETUP data. */
USB_EP0_IN_TX = 1, /**< Transmitting. */
USB_EP0_IN_WAITING_TX0 = 2, /**< Waiting transmit 0. */
USB_EP0_IN_SENDING_STS = 3, /**< Sending status. */
USB_EP0_OUT_WAITING_STS = 4, /**< Waiting status. */
USB_EP0_OUT_RX = 5, /**< Receiving. */
USB_EP0_ERROR = 6 /**< Error, EP0 stalled. */
} usbep0state_t;
/**

47
os/hal/src/hal_usb.c
View File

@ -671,7 +671,7 @@ void _usb_reset(USBDriver *usbp) {
}
/* EP0 state machine initialization.*/
usbp->ep0state = USB_EP0_WAITING_SETUP;
usbp->ep0state = USB_EP0_STP_WAITING;
/* Low level reset.*/
usb_lld_reset(usbp);
@ -751,7 +751,8 @@ void _usb_wakeup(USBDriver *usbp) {
void _usb_ep0setup(USBDriver *usbp, usbep_t ep) {
size_t max;
usbp->ep0state = USB_EP0_WAITING_SETUP;
osalDbgAssert(usbp->ep0state == USB_EP0_STP_WAITING, "not in setup state");
usbReadSetup(usbp, ep, usbp->setup);
/* First verify if the application has an handler installed for this
@ -794,7 +795,7 @@ void _usb_ep0setup(USBDriver *usbp, usbep_t ep) {
/* IN phase.*/
if (usbp->ep0n != 0U) {
/* Starts the transmit phase.*/
usbp->ep0state = USB_EP0_TX;
usbp->ep0state = USB_EP0_IN_TX;
osalSysLockFromISR();
usbStartTransmitI(usbp, 0, usbp->ep0next, usbp->ep0n);
osalSysUnlockFromISR();
@ -802,7 +803,7 @@ void _usb_ep0setup(USBDriver *usbp, usbep_t ep) {
else {
/* No transmission phase, directly receiving the zero sized status
packet.*/
usbp->ep0state = USB_EP0_WAITING_STS;
usbp->ep0state = USB_EP0_OUT_WAITING_STS;
#if (USB_EP0_STATUS_STAGE == USB_EP0_STATUS_STAGE_SW)
osalSysLockFromISR();
usbStartReceiveI(usbp, 0, NULL, 0);
@ -816,7 +817,7 @@ void _usb_ep0setup(USBDriver *usbp, usbep_t ep) {
/* OUT phase.*/
if (usbp->ep0n != 0U) {
/* Starts the receive phase.*/
usbp->ep0state = USB_EP0_RX;
usbp->ep0state = USB_EP0_OUT_RX;
osalSysLockFromISR();
usbStartReceiveI(usbp, 0, usbp->ep0next, usbp->ep0n);
osalSysUnlockFromISR();
@ -824,7 +825,7 @@ void _usb_ep0setup(USBDriver *usbp, usbep_t ep) {
else {
/* No receive phase, directly sending the zero sized status
packet.*/
usbp->ep0state = USB_EP0_SENDING_STS;
usbp->ep0state = USB_EP0_IN_SENDING_STS;
#if (USB_EP0_STATUS_STAGE == USB_EP0_STATUS_STAGE_SW)
osalSysLockFromISR();
usbStartTransmitI(usbp, 0, NULL, 0);
@ -851,7 +852,7 @@ void _usb_ep0in(USBDriver *usbp, usbep_t ep) {
(void)ep;
switch (usbp->ep0state) {
case USB_EP0_TX:
case USB_EP0_IN_TX:
max = (size_t)get_hword(&usbp->setup[6]);
/* If the transmitted size is less than the requested size and it is a
multiple of the maximum packet size then a zero size packet must be
@ -861,13 +862,13 @@ void _usb_ep0in(USBDriver *usbp, usbep_t ep) {
osalSysLockFromISR();
usbStartTransmitI(usbp, 0, NULL, 0);
osalSysUnlockFromISR();
usbp->ep0state = USB_EP0_WAITING_TX0;
usbp->ep0state = USB_EP0_IN_WAITING_TX0;
return;
}
/* Falls into, it is intentional.*/
case USB_EP0_WAITING_TX0:
case USB_EP0_IN_WAITING_TX0:
/* Transmit phase over, receiving the zero sized status packet.*/
usbp->ep0state = USB_EP0_WAITING_STS;
usbp->ep0state = USB_EP0_OUT_WAITING_STS;
#if (USB_EP0_STATUS_STAGE == USB_EP0_STATUS_STAGE_SW)
osalSysLockFromISR();
usbStartReceiveI(usbp, 0, NULL, 0);
@ -876,16 +877,16 @@ void _usb_ep0in(USBDriver *usbp, usbep_t ep) {
usb_lld_end_setup(usbp, ep);
#endif
return;
case USB_EP0_SENDING_STS:
case USB_EP0_IN_SENDING_STS:
/* Status packet sent, invoking the callback if defined.*/
if (usbp->ep0endcb != NULL) {
usbp->ep0endcb(usbp);
}
usbp->ep0state = USB_EP0_WAITING_SETUP;
usbp->ep0state = USB_EP0_STP_WAITING;
return;
case USB_EP0_WAITING_SETUP:
case USB_EP0_WAITING_STS:
case USB_EP0_RX:
case USB_EP0_STP_WAITING:
case USB_EP0_OUT_WAITING_STS:
case USB_EP0_OUT_RX:
/* All the above are invalid states in the IN phase.*/
osalDbgAssert(false, "EP0 state machine error");
/* Falling through is intentional.*/
@ -917,9 +918,9 @@ void _usb_ep0out(USBDriver *usbp, usbep_t ep) {
(void)ep;
switch (usbp->ep0state) {
case USB_EP0_RX:
case USB_EP0_OUT_RX:
/* Receive phase over, sending the zero sized status packet.*/
usbp->ep0state = USB_EP0_SENDING_STS;
usbp->ep0state = USB_EP0_IN_SENDING_STS;
#if (USB_EP0_STATUS_STAGE == USB_EP0_STATUS_STAGE_SW)
osalSysLockFromISR();
usbStartTransmitI(usbp, 0, NULL, 0);
@ -928,7 +929,7 @@ void _usb_ep0out(USBDriver *usbp, usbep_t ep) {
usb_lld_end_setup(usbp, ep);
#endif
return;
case USB_EP0_WAITING_STS:
case USB_EP0_OUT_WAITING_STS:
/* Status packet received, it must be zero sized, invoking the callback
if defined.*/
#if (USB_EP0_STATUS_STAGE == USB_EP0_STATUS_STAGE_SW)
@ -939,12 +940,12 @@ void _usb_ep0out(USBDriver *usbp, usbep_t ep) {
if (usbp->ep0endcb != NULL) {
usbp->ep0endcb(usbp);
}
usbp->ep0state = USB_EP0_WAITING_SETUP;
usbp->ep0state = USB_EP0_STP_WAITING;
return;
case USB_EP0_WAITING_SETUP:
case USB_EP0_TX:
case USB_EP0_WAITING_TX0:
case USB_EP0_SENDING_STS:
case USB_EP0_STP_WAITING:
case USB_EP0_IN_TX:
case USB_EP0_IN_WAITING_TX0:
case USB_EP0_IN_SENDING_STS:
/* All the above are invalid states in the IN phase.*/
osalDbgAssert(false, "EP0 state machine error");
/* Falling through is intentional.*/