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drivers: usb_dc_mcux_ehci: rework endpoint enable/disable

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Rework endpoint enable/disable. Fix style.

Signed-off-by: Johann Fischer <j.fischer@phytec.de>
This commit is contained in:
Johann Fischer 2019-12-02 20:56:52 +01:00 • committed by Carles Cufí
commit 0958667125
1 changed files with 28 additions and 10 deletions
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38
drivers/usb/device/usb_dc_mcux_ehci.c
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@ -305,26 +305,36 @@ int usb_dc_ep_halt(const u8_t ep)
int usb_dc_ep_enable(const u8_t ep)
{
u8_t ep_abs_idx = EP_ABS_IDX(ep);
usb_status_t status;
/* endpoint0 OUT is primed by controller driver when configure this
* endpoint.
/*
* endpoint 0 OUT is primed by controller driver when configure this
* endpoint.
*/
if (!ep_abs_idx) {
return 0;
}
if (dev_data.eps[ep_abs_idx].ep_occupied) {
LOG_WRN("endpoint 0x%x already enabled", ep);
return -EALREADY;
}
if ((EP_ADDR2IDX(ep) != USB_CONTROL_ENDPOINT) && (EP_ADDR2DIR(ep) == USB_EP_DIR_OUT)) {
dev_data.interface->deviceRecv(dev_data.controllerHandle,
ep,
(u8_t *)dev_data.eps[ep_abs_idx].block.data,
(uint32_t)dev_data.eps[ep_abs_idx].ep_mps);
if ((EP_ADDR2IDX(ep) != USB_CONTROL_ENDPOINT) &&
(EP_ADDR2DIR(ep) == USB_EP_DIR_OUT)) {
status = dev_data.interface->deviceRecv(
dev_data.controllerHandle, ep,
(u8_t *)dev_data.eps[ep_abs_idx].block.data,
(uint32_t)dev_data.eps[ep_abs_idx].ep_mps);
if (kStatus_USB_Success != status) {
LOG_ERR("Failed to enable reception on 0x%02x", ep);
return -EIO;
}
dev_data.eps[ep_abs_idx].ep_occupied = true;
} else {
/* control enpoint just be enabled before enumeration,
/*
* control enpoint just be enabled before enumeration,
* when running here, setup has been primed.
*/
dev_data.eps[ep_abs_idx].ep_occupied = true;
@ -336,9 +346,17 @@ int usb_dc_ep_enable(const u8_t ep)
int usb_dc_ep_disable(const u8_t ep)
{
u8_t ep_abs_idx = EP_ABS_IDX(ep);
usb_status_t status;
status = dev_data.interface->deviceCancel(dev_data.controllerHandle,
ep);
if (kStatus_USB_Success != status) {
LOG_ERR("Failed to disable ep 0x%02x", ep);
return -EIO;
}
dev_data.interface->deviceCancel(dev_data.controllerHandle, ep);
dev_data.eps[ep_abs_idx].ep_enabled = false;
return 0;
}
@ -351,7 +369,7 @@ int usb_dc_ep_flush(const u8_t ep)
return -EINVAL;
}
LOG_DBG("ep %x, idx %d", ep_idx, ep);
LOG_DBG("Not implemented, ep 0x%02x, idx %u", ep_idx, ep);
return 0;
}