/**
* @brief Default requests hook.
* @details Applications wanting to use the teensy HID debug driver can use
* this function as requests hook in the USB configuration.
*
* @param[in] usbp pointer to the @p USBDriver object
* @return The hook status.
* @retval true Message handled internally.
* @retval false Message not handled.
*/
bool hidDebugRequestsHook(USBDriver *usbp) {
const USBDescriptor *dp;
/* Handle HID class specific requests */
/* Only GetReport is mandatory for HID devices */
if((usbp->setup[0] & USB_RTYPE_TYPE_MASK) == USB_RTYPE_TYPE_CLASS) {
if(usbp->setup[1] == HID_GET_REPORT) {
/* setup[3] (MSB of wValue) = Report ID (must be 0 as we
* have declared only one IN report)
* setup[2] (LSB of wValue) = Report Type (1 = Input, 3 = Feature)
*/
if((usbp->setup[3] == 0) && (usbp->setup[2] == 1)) {
/* When do we get requests like this anyway?
* (Doing it over ENDPOINT0)
* just send some empty packet
*/
usbSetupTransfer(usbp, NULL, 0, NULL);
}
}
if(usbp->setup[1] == HID_SET_REPORT) {
/* Not implemented (yet) */
}
}
/* Handle the Get_Descriptor Request for HID class (not handled by the default hook) */
if((usbp->setup[0] == 0x81) && (usbp->setup[1] == USB_REQ_GET_DESCRIPTOR)) {
dp = usbp->config->get_descriptor_cb(usbp, usbp->setup[3], usbp->setup[2], get_hword(&usbp->setup[4]));
if(dp == NULL)
return false;
usbSetupTransfer(usbp, (uint8_t *)dp->ud_string, dp->ud_size, NULL);
return true;
}
return false;
}
bool_t hidRequestsHook(USBDriver *usbp){
const USBDescriptor *dp;
if ((usbp->setup[0] & (USB_RTYPE_TYPE_MASK | USB_RTYPE_RECIPIENT_MASK)) ==
(USB_RTYPE_TYPE_STD | USB_RTYPE_RECIPIENT_INTERFACE)) {
switch (usbp->setup[1]) {
case USB_REQ_GET_DESCRIPTOR:
dp = usbp->config->get_descriptor_cb(
usbp, usbp->setup[3], usbp->setup[2],
usbFetchWord(&usbp->setup[4]));
if (dp == NULL)
return FALSE;
usbSetupTransfer(usbp, (uint8_t *)dp->ud_string, dp->ud_size, NULL);
return TRUE;
default:
return FALSE;
}
}
if ((usbp->setup[0] & (USB_RTYPE_TYPE_MASK | USB_RTYPE_RECIPIENT_MASK)) ==
(USB_RTYPE_TYPE_CLASS | USB_RTYPE_RECIPIENT_INTERFACE)) {
switch (usbp->setup[1]) {
case HID_GET_REPORT_REQUEST:
//usbSetupTransfer(usbp, (uint8_t *)&linecoding, sizeof(linecoding), NULL);
palSetPadMode(GPIOD, 12, PAL_MODE_OUTPUT_PUSHPULL);
palSetPad(GPIOD, 12);
hid_in_data.x=0;
hid_in_data.y=0;
hid_in_data.button=0;
usbSetupTransfer(usbp,(uint8_t *)&hid_in_data,sizeof(hid_in_data), NULL);
usbInitState=1;
return TRUE;
case HID_GET_IDLE_REQUEST:
usbSetupTransfer(usbp,NULL,0, NULL);
return TRUE;
case HID_GET_PROTOCOL_REQUEST:
return TRUE;
case HID_SET_REPORT_REQUEST:
usbSetupTransfer(usbp,NULL,0, NULL);
return TRUE;
case HID_SET_IDLE_REQUEST:
usbSetupTransfer(usbp,NULL,0, NULL);
return TRUE;
case HID_SET_PROTOCOL_REQUEST:
return TRUE;
default:
return FALSE;
}
}
return FALSE;
}
/**
* @brief Default requests hook.
* @details The application must use this function as callback for the
* messages hook.
* The following requests are emulated:
* - MSC_GET_MAX_LUN_COMMAND.
* - MSC_MASS_STORAGE_RESET_COMMAND.
* .
*
* @param[in] usbp pointer to the @p USBDriver object
* @return The hook status.
* @retval TRUE Message handled internally.
* @retval FALSE Message not handled.
*/
bool_t mscRequestsHook(USBDriver *usbp) {
if ((usbp->setup[0] & (USB_RTYPE_TYPE_MASK | USB_RTYPE_RECIPIENT_MASK)) ==
(USB_RTYPE_TYPE_CLASS | USB_RTYPE_RECIPIENT_INTERFACE)) {
switch (usbp->setup[1]) {
case MSC_GET_MAX_LUN_COMMAND:
usbSetupTransfer(usbp, (uint8_t *)zerobuf, 1, NULL);
return TRUE;
case MSC_MASS_STORAGE_RESET_COMMAND:
msc_reset(usbp);
usbSetupTransfer(usbp, NULL, 0, NULL);
return TRUE;
default:
return FALSE;
}
}
return FALSE;
}
/*
* Handling messages not implemented in the default handler nor in the
* SerialUSB handler.
*/
static bool requests_hook(USBDriver *usbp) {
if (((usbp->setup[0] & USB_RTYPE_RECIPIENT_MASK) == USB_RTYPE_RECIPIENT_INTERFACE) &&
(usbp->setup[1] == USB_REQ_SET_INTERFACE)) {
usbSetupTransfer(usbp, NULL, 0, NULL);
return true;
}
return sduRequestsHook(usbp);
}
/**
* @brief Default requests hook.
* @details Applications wanting to use the Serial over USB driver can use
* this function as requests hook in the USB configuration.
* The following requests are emulated:
* - CDC_GET_LINE_CODING.
* - CDC_SET_LINE_CODING.
* - CDC_SET_CONTROL_LINE_STATE.
* .
*
* @param[in] usbp pointer to the @p USBDriver object
* @return The hook status.
* @retval true Message handled internally.
* @retval false Message not handled.
*/
bool sduRequestsHook(USBDriver *usbp) {
if ((usbp->setup[0] & USB_RTYPE_TYPE_MASK) == USB_RTYPE_TYPE_CLASS) {
switch (usbp->setup[1]) {
case CDC_GET_LINE_CODING:
usbSetupTransfer(usbp, (uint8_t *)&linecoding, sizeof(linecoding), NULL);
return true;
case CDC_SET_LINE_CODING:
usbSetupTransfer(usbp, (uint8_t *)&linecoding, sizeof(linecoding), NULL);
return true;
case CDC_SET_CONTROL_LINE_STATE:
/* Nothing to do, there are no control lines.*/
usbSetupTransfer(usbp, NULL, 0, NULL);
return true;
default:
return false;
}
}
return false;
}
/**
* @brief Default requests hook.
* @details Applications wanting to use the USB HID driver can use
* this function at the end of the application specific
* requests hook. The HID_* requests handled here do not
* transfer any data to the application.
* The following requests are handled:
* - HID_GET_IDLE.
* - HID_GET_PROTOCOL.
* - HID_SET_REPORT.
* - HID_SET_IDLE.
* - HID_SET_PROTOCOL.
* - USB_REQ_GET_DESCRIPTOR.
* .
*
* @param[in] usbp pointer to the @p USBDriver object
* @return The hook status.
* @retval true Message handled internally.
* @retval false Message not handled.
*/
bool hidRequestsHook(USBDriver *usbp) {
const USBDescriptor *dp;
if ((usbp->setup[0] & USB_RTYPE_TYPE_MASK) == USB_RTYPE_TYPE_CLASS) {
switch (usbp->setup[1]) {
case HID_GET_IDLE:
usbSetupTransfer(usbp, NULL, 0, NULL);
return true;
case HID_GET_PROTOCOL:
return true;
case HID_SET_REPORT:
usbSetupTransfer(usbp, NULL, 0, NULL);
return true;
case HID_SET_IDLE:
usbSetupTransfer(usbp, NULL, 0, NULL);
return true;
case HID_SET_PROTOCOL:
return true;
default:
return false;
}
}
/* GET_DESCRIPTOR from interface not handled by default so handle it here */
if (((usbp->setup[0] & USB_RTYPE_DIR_MASK) == USB_RTYPE_DIR_DEV2HOST) &&
((usbp->setup[0] & USB_RTYPE_RECIPIENT_MASK) == USB_RTYPE_RECIPIENT_INTERFACE)) {
switch (usbp->setup[1]) {
case USB_REQ_GET_DESCRIPTOR:
dp = usbp->config->get_descriptor_cb(usbp, usbp->setup[3], usbp->setup[2],
get_hword(&usbp->setup[4]));
if (dp == NULL)
return false;
usbSetupTransfer(usbp, (uint8_t *)dp->ud_string, dp->ud_size, NULL);
return true;
default:
return false;
}
}
return false;
}
static bool req_handler(USBDriver *usbp) {
size_t n;
if ((usbp->setup[0] & USB_RTYPE_TYPE_MASK) == USB_RTYPE_TYPE_CLASS) {
switch (usbp->setup[1]) {
case HID_GET_REPORT:
n = hidGetReport(0, &increment_var, sizeof(increment_var));
usbSetupTransfer(usbp, &increment_var, n, NULL);
return true;
default:
return hidRequestsHook(usbp);
}
}
return hidRequestsHook(usbp);
}
bool usb_setup_hook(USBDriver *usbp) {
/* Override GET_DESCRIPTOR requests to return data from program memory */
if ((usbp->setup[0] & (USB_RTYPE_RECIPIENT_MASK | USB_RTYPE_TYPE_MASK)) ==
(USB_RTYPE_RECIPIENT_DEVICE | USB_RTYPE_TYPE_STD) &&
usbp->setup[1] == USB_REQ_GET_DESCRIPTOR) {
const uint8_t dtype = usbp->setup[3];
const uint8_t dindex = usbp->setup[2];
const AVR_USB_TX_BUF_ADDRESS_SPACE uint8_t *ddata = NULL;
size_t dsize = 0;
switch (dtype) {
case USB_DESCRIPTOR_DEVICE:
dsize = sizeof(vcom_device_descriptor_data);
ddata = vcom_device_descriptor_data;
break;
case USB_DESCRIPTOR_CONFIGURATION:
dsize = sizeof(vcom_configuration_descriptor_data);
ddata = vcom_configuration_descriptor_data;
break;
case USB_DESCRIPTOR_STRING:
if (dindex == 0) {
dsize = sizeof(vcom_string0);
ddata = vcom_string0;
} else if (dindex == 1) {
dsize = sizeof(vcom_string1);
ddata = vcom_string1;
} else if (dindex == 2) {
dsize = sizeof(vcom_string2);
ddata = vcom_string2;
} else if (dindex == 3) {
dsize = sizeof(vcom_string3);
ddata = vcom_string3;
}
break;
}
if (ddata == NULL) {
return false;
}
usbSetupTransfer(usbp, ddata, dsize, NULL);
return true;
}
return sduRequestsHook(usbp);
}
/**
* @brief Standard requests handler.
* @details This is the standard requests default handler, most standard
* requests are handled here, the user can override the standard
* handling using the @p requests_hook_cb hook in the
* @p USBConfig structure.
*
* @param[in] usbp pointer to the @p USBDriver object
* @return The request handling exit code.
* @retval false Request not recognized by the handler or error.
* @retval true Request handled.
*/
static bool default_handler(USBDriver *usbp) {
const USBDescriptor *dp;
/* Decoding the request.*/
switch (((usbp->setup[0] & (USB_RTYPE_RECIPIENT_MASK |
USB_RTYPE_TYPE_MASK)) |
(usbp->setup[1] << 8))) {
case USB_RTYPE_RECIPIENT_DEVICE | (USB_REQ_GET_STATUS << 8):
/* Just returns the current status word.*/
usbSetupTransfer(usbp, (uint8_t *)&usbp->status, 2, NULL);
return true;
case USB_RTYPE_RECIPIENT_DEVICE | (USB_REQ_CLEAR_FEATURE << 8):
/* Only the DEVICE_REMOTE_WAKEUP is handled here, any other feature
number is handled as an error.*/
if (usbp->setup[2] == USB_FEATURE_DEVICE_REMOTE_WAKEUP) {
usbp->status &= ~2;
usbSetupTransfer(usbp, NULL, 0, NULL);
return true;
}
return false;
case USB_RTYPE_RECIPIENT_DEVICE | (USB_REQ_SET_FEATURE << 8):
/* Only the DEVICE_REMOTE_WAKEUP is handled here, any other feature
number is handled as an error.*/
if (usbp->setup[2] == USB_FEATURE_DEVICE_REMOTE_WAKEUP) {
usbp->status |= 2;
usbSetupTransfer(usbp, NULL, 0, NULL);
return true;
}
return false;
case USB_RTYPE_RECIPIENT_DEVICE | (USB_REQ_SET_ADDRESS << 8):
/* The SET_ADDRESS handling can be performed here or postponed after
the status packed depending on the USB_SET_ADDRESS_MODE low
driver setting.*/
#if USB_SET_ADDRESS_MODE == USB_EARLY_SET_ADDRESS
if ((usbp->setup[0] == USB_RTYPE_RECIPIENT_DEVICE) &&
(usbp->setup[1] == USB_REQ_SET_ADDRESS))
set_address(usbp);
usbSetupTransfer(usbp, NULL, 0, NULL);
#else
usbSetupTransfer(usbp, NULL, 0, set_address);
#endif
return true;
case USB_RTYPE_RECIPIENT_DEVICE | (USB_REQ_GET_DESCRIPTOR << 8):
/* Handling descriptor requests from the host.*/
dp = usbp->config->get_descriptor_cb(
usbp, usbp->setup[3], usbp->setup[2],
usbFetchWord(&usbp->setup[4]));
if (dp == NULL)
return false;
usbSetupTransfer(usbp, (uint8_t *)dp->ud_string, dp->ud_size, NULL);
return true;
case USB_RTYPE_RECIPIENT_DEVICE | (USB_REQ_GET_CONFIGURATION << 8):
/* Returning the last selected configuration.*/
usbSetupTransfer(usbp, &usbp->configuration, 1, NULL);
return true;
case USB_RTYPE_RECIPIENT_DEVICE | (USB_REQ_SET_CONFIGURATION << 8):
/* Handling configuration selection from the host.*/
usbp->configuration = usbp->setup[2];
if (usbp->configuration == 0)
usbp->state = USB_SELECTED;
else
usbp->state = USB_ACTIVE;
_usb_isr_invoke_event_cb(usbp, USB_EVENT_CONFIGURED);
usbSetupTransfer(usbp, NULL, 0, NULL);
return true;
case USB_RTYPE_RECIPIENT_INTERFACE | (USB_REQ_GET_STATUS << 8):
case USB_RTYPE_RECIPIENT_ENDPOINT | (USB_REQ_SYNCH_FRAME << 8):
/* Just sending two zero bytes, the application can change the behavior
using a hook..*/
usbSetupTransfer(usbp, (uint8_t *)zero_status, 2, NULL);
return true;
case USB_RTYPE_RECIPIENT_ENDPOINT | (USB_REQ_GET_STATUS << 8):
/* Sending the EP status.*/
if (usbp->setup[4] & 0x80) {
switch (usb_lld_get_status_in(usbp, usbp->setup[4] & 0x0F)) {
case EP_STATUS_STALLED:
usbSetupTransfer(usbp, (uint8_t *)halted_status, 2, NULL);
return true;
case EP_STATUS_ACTIVE:
usbSetupTransfer(usbp, (uint8_t *)active_status, 2, NULL);
return true;
default:
return false;
}
}
else {
switch (usb_lld_get_status_out(usbp, usbp->setup[4] & 0x0F)) {
case EP_STATUS_STALLED:
usbSetupTransfer(usbp, (uint8_t *)halted_status, 2, NULL);
return true;
case EP_STATUS_ACTIVE:
usbSetupTransfer(usbp, (uint8_t *)active_status, 2, NULL);
return true;
default:
return false;
}
}
case USB_RTYPE_RECIPIENT_ENDPOINT | (USB_REQ_CLEAR_FEATURE << 8):
/* Only ENDPOINT_HALT is handled as feature.*/
if (usbp->setup[2] != USB_FEATURE_ENDPOINT_HALT)
return false;
/* Clearing the EP status, not valid for EP0, it is ignored in that case.*/
if ((usbp->setup[4] & 0x0F) > 0) {
if (usbp->setup[4] & 0x80)
usb_lld_clear_in(usbp, usbp->setup[4] & 0x0F);
else
usb_lld_clear_out(usbp, usbp->setup[4] & 0x0F);
}
usbSetupTransfer(usbp, NULL, 0, NULL);
return true;
case USB_RTYPE_RECIPIENT_ENDPOINT | (USB_REQ_SET_FEATURE << 8):
/* Only ENDPOINT_HALT is handled as feature.*/
if (usbp->setup[2] != USB_FEATURE_ENDPOINT_HALT)
return false;
/* Stalling the EP, not valid for EP0, it is ignored in that case.*/
if ((usbp->setup[4] & 0x0F) > 0) {
if (usbp->setup[4] & 0x80)
usb_lld_stall_in(usbp, usbp->setup[4] & 0x0F);
else
usb_lld_stall_out(usbp, usbp->setup[4] & 0x0F);
}
usbSetupTransfer(usbp, NULL, 0, NULL);
return true;
case USB_RTYPE_RECIPIENT_DEVICE | (USB_REQ_SET_DESCRIPTOR << 8):
case USB_RTYPE_RECIPIENT_INTERFACE | (USB_REQ_CLEAR_FEATURE << 8):
case USB_RTYPE_RECIPIENT_INTERFACE | (USB_REQ_SET_FEATURE << 8):
case USB_RTYPE_RECIPIENT_INTERFACE | (USB_REQ_GET_INTERFACE << 8):
case USB_RTYPE_RECIPIENT_INTERFACE | (USB_REQ_SET_INTERFACE << 8):
/* All the above requests are not handled here, if you need them then
use the hook mechanism and provide handling.*/
default:
return false;
}
}
/**
* @brief Standard requests handler.
* @details This is the standard requests default handler, most standard
* requests are handled here, the user can override the standard
* handling using the @p requests_hook_cb hook in the
* @p USBConfig structure.
*
* @param[in] usbp pointer to the @p USBDriver object
* @return The request handling exit code.
* @retval false Request not recognized by the handler or error.
* @retval true Request handled.
*/
static bool default_handler(USBDriver *usbp) {
const USBDescriptor *dp;
/* Decoding the request.*/
switch ((((uint32_t)usbp->setup[0] & (USB_RTYPE_RECIPIENT_MASK |
USB_RTYPE_TYPE_MASK)) |
((uint32_t)usbp->setup[1] << 8U))) {
case (uint32_t)USB_RTYPE_RECIPIENT_DEVICE | ((uint32_t)USB_REQ_GET_STATUS << 8):
/* Just returns the current status word.*/
usbSetupTransfer(usbp, (uint8_t *)&usbp->status, 2, NULL);
return true;
case (uint32_t)USB_RTYPE_RECIPIENT_DEVICE | ((uint32_t)USB_REQ_CLEAR_FEATURE << 8):
/* Only the DEVICE_REMOTE_WAKEUP is handled here, any other feature
number is handled as an error.*/
if (usbp->setup[2] == USB_FEATURE_DEVICE_REMOTE_WAKEUP) {
usbp->status &= ~2U;
usbSetupTransfer(usbp, NULL, 0, NULL);
return true;
}
return false;
case (uint32_t)USB_RTYPE_RECIPIENT_DEVICE | ((uint32_t)USB_REQ_SET_FEATURE << 8):
/* Only the DEVICE_REMOTE_WAKEUP is handled here, any other feature
number is handled as an error.*/
if (usbp->setup[2] == USB_FEATURE_DEVICE_REMOTE_WAKEUP) {
usbp->status |= 2U;
usbSetupTransfer(usbp, NULL, 0, NULL);
return true;
}
return false;
case (uint32_t)USB_RTYPE_RECIPIENT_DEVICE | ((uint32_t)USB_REQ_SET_ADDRESS << 8):
/* The SET_ADDRESS handling can be performed here or postponed after
the status packed depending on the USB_SET_ADDRESS_MODE low
driver setting.*/
#if USB_SET_ADDRESS_MODE == USB_EARLY_SET_ADDRESS
if ((usbp->setup[0] == USB_RTYPE_RECIPIENT_DEVICE) &&
(usbp->setup[1] == USB_REQ_SET_ADDRESS)) {
set_address(usbp);
}
usbSetupTransfer(usbp, NULL, 0, NULL);
#else
usbSetupTransfer(usbp, NULL, 0, set_address);
#endif
return true;
case (uint32_t)USB_RTYPE_RECIPIENT_DEVICE | ((uint32_t)USB_REQ_GET_DESCRIPTOR << 8):
/* Handling descriptor requests from the host.*/
dp = usbp->config->get_descriptor_cb(usbp, usbp->setup[3],
usbp->setup[2],
get_hword(&usbp->setup[4]));
if (dp == NULL) {
return false;
}
/*lint -save -e9005 [11.8] Removing const is fine.*/
usbSetupTransfer(usbp, (uint8_t *)dp->ud_string, dp->ud_size, NULL);
/*lint -restore*/
return true;
case (uint32_t)USB_RTYPE_RECIPIENT_DEVICE | ((uint32_t)USB_REQ_GET_CONFIGURATION << 8):
/* Returning the last selected configuration.*/
usbSetupTransfer(usbp, &usbp->configuration, 1, NULL);
return true;
case (uint32_t)USB_RTYPE_RECIPIENT_DEVICE | ((uint32_t)USB_REQ_SET_CONFIGURATION << 8):
/* Handling configuration selection from the host only if it is different
from the current configuration.*/
if (usbp->configuration != usbp->setup[2]) {
/* If the USB device is already active then we have to perform the clear
procedure on the current configuration.*/
if (usbp->state == USB_ACTIVE) {
/* Current configuration cleared.*/
osalSysLockFromISR ();
usbDisableEndpointsI(usbp);
osalSysUnlockFromISR ();
usbp->configuration = 0U;
usbp->state = USB_SELECTED;
_usb_isr_invoke_event_cb(usbp, USB_EVENT_UNCONFIGURED);
}
if (usbp->setup[2] != 0U) {
/* New configuration.*/
usbp->configuration = usbp->setup[2];
usbp->state = USB_ACTIVE;
_usb_isr_invoke_event_cb(usbp, USB_EVENT_CONFIGURED);
}
}
usbSetupTransfer(usbp, NULL, 0, NULL);
return true;
case (uint32_t)USB_RTYPE_RECIPIENT_INTERFACE | ((uint32_t)USB_REQ_GET_STATUS << 8):
case (uint32_t)USB_RTYPE_RECIPIENT_ENDPOINT | ((uint32_t)USB_REQ_SYNCH_FRAME << 8):
/* Just sending two zero bytes, the application can change the behavior
using a hook..*/
/*lint -save -e9005 [11.8] Removing const is fine.*/
usbSetupTransfer(usbp, (uint8_t *)zero_status, 2, NULL);
/*lint -restore*/
return true;
case (uint32_t)USB_RTYPE_RECIPIENT_ENDPOINT | ((uint32_t)USB_REQ_GET_STATUS << 8):
/* Sending the EP status.*/
if ((usbp->setup[4] & 0x80U) != 0U) {
switch (usb_lld_get_status_in(usbp, usbp->setup[4] & 0x0FU)) {
case EP_STATUS_STALLED:
/*lint -save -e9005 [11.8] Removing const is fine.*/
usbSetupTransfer(usbp, (uint8_t *)halted_status, 2, NULL);
/*lint -restore*/
return true;
case EP_STATUS_ACTIVE:
/*lint -save -e9005 [11.8] Removing const is fine.*/
usbSetupTransfer(usbp, (uint8_t *)active_status, 2, NULL);
/*lint -restore*/
return true;
case EP_STATUS_DISABLED:
default:
return false;
}
}
else {
switch (usb_lld_get_status_out(usbp, usbp->setup[4] & 0x0FU)) {
case EP_STATUS_STALLED:
/*lint -save -e9005 [11.8] Removing const is fine.*/
usbSetupTransfer(usbp, (uint8_t *)halted_status, 2, NULL);
/*lint -restore*/
return true;
case EP_STATUS_ACTIVE:
/*lint -save -e9005 [11.8] Removing const is fine.*/
usbSetupTransfer(usbp, (uint8_t *)active_status, 2, NULL);
/*lint -restore*/
return true;
case EP_STATUS_DISABLED:
default:
return false;
}
}
case (uint32_t)USB_RTYPE_RECIPIENT_ENDPOINT | ((uint32_t)USB_REQ_CLEAR_FEATURE << 8):
/* Only ENDPOINT_HALT is handled as feature.*/
if (usbp->setup[2] != USB_FEATURE_ENDPOINT_HALT) {
return false;
}
/* Clearing the EP status, not valid for EP0, it is ignored in that case.*/
if ((usbp->setup[4] & 0x0FU) != 0U) {
if ((usbp->setup[4] & 0x80U) != 0U) {
usb_lld_clear_in(usbp, usbp->setup[4] & 0x0FU);
}
else {
usb_lld_clear_out(usbp, usbp->setup[4] & 0x0FU);
}
}
usbSetupTransfer(usbp, NULL, 0, NULL);
return true;
case (uint32_t)USB_RTYPE_RECIPIENT_ENDPOINT | ((uint32_t)USB_REQ_SET_FEATURE << 8):
/* Only ENDPOINT_HALT is handled as feature.*/
if (usbp->setup[2] != USB_FEATURE_ENDPOINT_HALT) {
return false;
}
/* Stalling the EP, not valid for EP0, it is ignored in that case.*/
if ((usbp->setup[4] & 0x0FU) != 0U) {
if ((usbp->setup[4] & 0x80U) != 0U) {
usb_lld_stall_in(usbp, usbp->setup[4] & 0x0FU);
}
else {
usb_lld_stall_out(usbp, usbp->setup[4] & 0x0FU);
}
}
usbSetupTransfer(usbp, NULL, 0, NULL);
return true;
case (uint32_t)USB_RTYPE_RECIPIENT_DEVICE | ((uint32_t)USB_REQ_SET_DESCRIPTOR << 8):
case (uint32_t)USB_RTYPE_RECIPIENT_INTERFACE | ((uint32_t)USB_REQ_CLEAR_FEATURE << 8):
case (uint32_t)USB_RTYPE_RECIPIENT_INTERFACE | ((uint32_t)USB_REQ_SET_FEATURE << 8):
case (uint32_t)USB_RTYPE_RECIPIENT_INTERFACE | ((uint32_t)USB_REQ_GET_INTERFACE << 8):
case (uint32_t)USB_RTYPE_RECIPIENT_INTERFACE | ((uint32_t)USB_REQ_SET_INTERFACE << 8):
/* All the above requests are not handled here, if you need them then
use the hook mechanism and provide handling.*/
default:
return false;
}
}
/* Callback for SETUP request on the endpoint 0 (control) */
static bool usb_request_hook_cb(USBDriver *usbp) {
const USBDescriptor *dp;
/* usbp->setup fields:
* 0: bmRequestType (bitmask)
* 1: bRequest
* 2,3: (LSB,MSB) wValue
* 4,5: (LSB,MSB) wIndex
* 6,7: (LSB,MSB) wLength (number of bytes to transfer if there is a data phase) */
/* Handle HID class specific requests */
if(((usbp->setup[0] & USB_RTYPE_TYPE_MASK) == USB_RTYPE_TYPE_CLASS) &&
((usbp->setup[0] & USB_RTYPE_RECIPIENT_MASK) == USB_RTYPE_RECIPIENT_INTERFACE)) {
switch(usbp->setup[0] & USB_RTYPE_DIR_MASK) {
case USB_RTYPE_DIR_DEV2HOST:
switch(usbp->setup[1]) { /* bRequest */
case HID_GET_REPORT:
switch(usbp->setup[4]) { /* LSB(wIndex) (check MSB==0?) */
case KEYBOARD_INTERFACE:
#ifdef NKRO_ENABLE
case NKRO_INTERFACE:
#endif /* NKRO_ENABLE */
usbSetupTransfer(usbp, (uint8_t *)&keyboard_report_sent, sizeof(keyboard_report_sent), NULL);
return TRUE;
break;
#ifdef MOUSE_ENABLE
case MOUSE_INTERFACE:
usbSetupTransfer(usbp, (uint8_t *)&mouse_report_blank, sizeof(mouse_report_blank), NULL);
return TRUE;
break;
#endif /* MOUSE_ENABLE */
#ifdef EXTRAKEY_ENABLE
case EXTRAKEY_INTERFACE:
if(usbp->setup[3] == 1) { /* MSB(wValue) [Report Type] == 1 [Input Report] */
switch(usbp->setup[2]) { /* LSB(wValue) [Report ID] */
case REPORT_ID_SYSTEM:
extra_report_blank[0] = REPORT_ID_SYSTEM;
usbSetupTransfer(usbp, (uint8_t *)extra_report_blank, sizeof(extra_report_blank), NULL);
return TRUE;
break;
case REPORT_ID_CONSUMER:
extra_report_blank[0] = REPORT_ID_CONSUMER;
usbSetupTransfer(usbp, (uint8_t *)extra_report_blank, sizeof(extra_report_blank), NULL);
return TRUE;
break;
default:
return FALSE;
}
} else {
return FALSE;
}
break;
#endif /* EXTRAKEY_ENABLE */
default:
usbSetupTransfer(usbp, NULL, 0, NULL);
return TRUE;
break;
}
break;
case HID_GET_PROTOCOL:
if((usbp->setup[4] == KEYBOARD_INTERFACE) && (usbp->setup[5] == 0)) { /* wIndex */
usbSetupTransfer(usbp, &keyboard_protocol, 1, NULL);
return TRUE;
}
break;
case HID_GET_IDLE:
usbSetupTransfer(usbp, &keyboard_idle, 1, NULL);
return TRUE;
break;
}
break;
case USB_RTYPE_DIR_HOST2DEV:
switch(usbp->setup[1]) { /* bRequest */
case HID_SET_REPORT:
switch(usbp->setup[4]) { /* LSB(wIndex) (check MSB==0 and wLength==1?) */
case KEYBOARD_INTERFACE:
#ifdef NKRO_ENABLE
case NKRO_INTERFACE:
#endif /* NKRO_ENABLE */
/* keyboard_led_stats = <read byte from next OUT report>
* keyboard_led_stats needs be word (or dword), otherwise we get an exception on F0 */
usbSetupTransfer(usbp, (uint8_t *)&keyboard_led_stats, 1, NULL);
return TRUE;
break;
}
break;
case HID_SET_PROTOCOL:
if((usbp->setup[4] == KEYBOARD_INTERFACE) && (usbp->setup[5] == 0)) { /* wIndex */
keyboard_protocol = ((usbp->setup[2]) != 0x00); /* LSB(wValue) */
#ifdef NKRO_ENABLE
keymap_config.nkro = !!keyboard_protocol;
if(!keymap_config.nkro && keyboard_idle) {
#else /* NKRO_ENABLE */
if(keyboard_idle) {
#endif /* NKRO_ENABLE */
/* arm the idle timer if boot protocol & idle */
osalSysLockFromISR();
chVTSetI(&keyboard_idle_timer, 4*MS2ST(keyboard_idle), keyboard_idle_timer_cb, (void *)usbp);
osalSysUnlockFromISR();
}
}
usbSetupTransfer(usbp, NULL, 0, NULL);
return TRUE;
break;
case HID_SET_IDLE:
keyboard_idle = usbp->setup[3]; /* MSB(wValue) */
/* arm the timer */
#ifdef NKRO_ENABLE
if(!keymap_config.nkro && keyboard_idle) {
#else /* NKRO_ENABLE */
if(keyboard_idle) {
#endif /* NKRO_ENABLE */
osalSysLockFromISR();
chVTSetI(&keyboard_idle_timer, 4*MS2ST(keyboard_idle), keyboard_idle_timer_cb, (void *)usbp);
osalSysUnlockFromISR();
}
usbSetupTransfer(usbp, NULL, 0, NULL);
return TRUE;
break;
}
break;
}
}
/* Handle the Get_Descriptor Request for HID class (not handled by the default hook) */
if((usbp->setup[0] == 0x81) && (usbp->setup[1] == USB_REQ_GET_DESCRIPTOR)) {
dp = usbp->config->get_descriptor_cb(usbp, usbp->setup[3], usbp->setup[2], get_hword(&usbp->setup[4]));
if(dp == NULL)
return FALSE;
usbSetupTransfer(usbp, (uint8_t *)dp->ud_string, dp->ud_size, NULL);
return TRUE;
}
for (int i=0;i<NUM_USB_DRIVERS;i++) {
if (drivers.array[i].config.int_in) {
// NOTE: Assumes that we only have one serial driver
return qmkusbRequestsHook(usbp);
}
}
return FALSE;
}
/* Start-of-frame callback */
static void usb_sof_cb(USBDriver *usbp) {
kbd_sof_cb(usbp);
osalSysLockFromISR();
for (int i=0; i<NUM_USB_DRIVERS;i++) {
qmkusbSOFHookI(&drivers.array[i].driver);
}
osalSysUnlockFromISR();
}
/* USB driver configuration */
static const USBConfig usbcfg = {
usb_event_cb, /* USB events callback */
usb_get_descriptor_cb, /* Device GET_DESCRIPTOR request callback */
usb_request_hook_cb, /* Requests hook callback */
usb_sof_cb /* Start Of Frame callback */
};
/*
* Initialize the USB driver
*/
void init_usb_driver(USBDriver *usbp) {
for (int i=0; i<NUM_USB_DRIVERS;i++) {
QMKUSBDriver* driver = &drivers.array[i].driver;
drivers.array[i].in_ep_config.in_state = &drivers.array[i].in_ep_state;
drivers.array[i].out_ep_config.out_state = &drivers.array[i].out_ep_state;
drivers.array[i].int_ep_config.in_state = &drivers.array[i].int_ep_state;
qmkusbObjectInit(driver, &drivers.array[i].config);
qmkusbStart(driver, &drivers.array[i].config);
}
/*
* Activates the USB driver and then the USB bus pull-up on D+.
* Note, a delay is inserted in order to not have to disconnect the cable
* after a reset.
*/
usbDisconnectBus(usbp);
wait_ms(1500);
usbStart(usbp, &usbcfg);
usbConnectBus(usbp);
chVTObjectInit(&keyboard_idle_timer);
}
/* ---------------------------------------------------------
* Keyboard functions
* ---------------------------------------------------------
*/
/* keyboard IN callback hander (a kbd report has made it IN) */
void kbd_in_cb(USBDriver *usbp, usbep_t ep) {
/* STUB */
(void)usbp;
(void)ep;
}
