/**
* @brief Notification of data inserted into the output queue.
*
* @param[in] qp the queue pointer.
*/
static void onotify(io_queue_t *qp) {
size_t n;
SerialUSBDriver *sdup = qGetLink(qp);
/* If the USB driver is not in the appropriate state then transactions
must not be started.*/
if ((usbGetDriverStateI(sdup->config->usbp) != USB_ACTIVE) ||
(sdup->state != SDU_READY)) {
return;
}
/* If there is not an ongoing transaction and the output queue contains
data then a new transaction is started.*/
if (!usbGetTransmitStatusI(sdup->config->usbp, sdup->config->bulk_in)) {
if ((n = oqGetFullI(&sdup->oqueue)) > 0U) {
osalSysUnlock();
usbPrepareQueuedTransmit(sdup->config->usbp,
sdup->config->bulk_in,
&sdup->oqueue, n);
osalSysLock();
(void) usbStartTransmitI(sdup->config->usbp, sdup->config->bulk_in);
}
}
}
static msg_t put(void *ip, uint8_t b) {
if (usbGetDriverStateI(((SerialUSBDriver *)ip)->config->usbp) != USB_ACTIVE) {
return MSG_RESET;
}
return obqPutTimeout(&((SerialUSBDriver *)ip)->obqueue, b, TIME_INFINITE);
}
/**
* @brief Notification of data removed from the input queue.
*/
static void inotify(GenericQueue *qp) {
size_t n, maxsize;
SerialUSBDriver *sdup = chQGetLink(qp);
/* If the USB driver is not in the appropriate state then transactions
must not be started.*/
if (usbGetDriverStateI(sdup->config->usbp) != USB_ACTIVE)
return;
/* If there is in the queue enough space to hold at least one packet and
a transaction is not yet started then a new transaction is started for
the available space.*/
maxsize = sdup->config->usbp->epc[USB_CDC_DATA_AVAILABLE_EP]->out_maxsize;
if (!usbGetReceiveStatusI(sdup->config->usbp, USB_CDC_DATA_AVAILABLE_EP) &&
((n = chIQGetEmptyI(&sdup->iqueue)) >= maxsize)) {
chSysUnlock();
n = (n / maxsize) * maxsize;
usbPrepareQueuedReceive(sdup->config->usbp,
USB_CDC_DATA_AVAILABLE_EP,
&sdup->iqueue, n);
chSysLock();
usbStartReceiveI(sdup->config->usbp, USB_CDC_DATA_AVAILABLE_EP);
}
}
/**
* @brief Notification of data removed from the input queue.
*
* @param[in] qp the queue pointer.
*/
static void inotify(io_queue_t *qp) {
size_t n, maxsize;
SerialUSBDriver *sdup = qGetLink(qp);
/* If the USB driver is not in the appropriate state then transactions
must not be started.*/
if ((usbGetDriverStateI(sdup->config->usbp) != USB_ACTIVE) ||
(sdup->state != SDU_READY)) {
return;
}
/* If there is in the queue enough space to hold at least one packet and
a transaction is not yet started then a new transaction is started for
the available space.*/
maxsize = sdup->config->usbp->epc[sdup->config->bulk_out]->out_maxsize;
if (!usbGetReceiveStatusI(sdup->config->usbp, sdup->config->bulk_out)) {
if ((n = iqGetEmptyI(&sdup->iqueue)) >= maxsize) {
osalSysUnlock();
n = (n / maxsize) * maxsize;
usbPrepareQueuedReceive(sdup->config->usbp,
sdup->config->bulk_out,
&sdup->iqueue, n);
osalSysLock();
(void) usbStartReceiveI(sdup->config->usbp, sdup->config->bulk_out);
}
}
}
/**
* @brief SOF handler.
* @details The SOF interrupt is used for automatic flushing of incomplete
* buffers pending in the output queue.
*
* @param[in] sdup pointer to a @p SerialUSBDriver object
*
* @iclass
*/
void sduSOFHookI(SerialUSBDriver *sdup) {
/* If the USB driver is not in the appropriate state then transactions
must not be started.*/
if ((usbGetDriverStateI(sdup->config->usbp) != USB_ACTIVE) ||
(sdup->state != SDU_READY)) {
return;
}
/* If there is already a transaction ongoing then another one cannot be
started.*/
if (usbGetTransmitStatusI(sdup->config->usbp, sdup->config->bulk_in)) {
return;
}
/* Checking if there only a buffer partially filled, if so then it is
enforced in the queue and transmitted.*/
if (obqTryFlushI(&sdup->obqueue)) {
size_t n;
uint8_t *buf = obqGetFullBufferI(&sdup->obqueue, &n);
osalDbgAssert(buf != NULL, "queue is empty");
usbStartTransmitI(sdup->config->usbp, sdup->config->bulk_in, buf, n);
}
}
/**
* @brief Notification of data removed from the input queue.
*/
static void inotify(GenericQueue *qp) {
size_t n, maxsize;
BulkUSBDriver *bdup = chQGetLink(qp);
/* If the USB driver is not in the appropriate state then transactions
must not be started.*/
if ((usbGetDriverStateI(bdup->config->usbp) != USB_ACTIVE) ||
(bdup->state != BDU_READY))
return;
/* If there is in the queue enough space to hold at least one packet and
a transaction is not yet started then a new transaction is started for
the available space.*/
maxsize = bdup->config->usbp->epc[bdup->config->bulk_out]->out_maxsize;
if (!usbGetReceiveStatusI(bdup->config->usbp, bdup->config->bulk_out) &&
((n = chIQGetEmptyI(&bdup->iqueue)) >= maxsize)) {
chSysUnlock();
n = (n / maxsize) * maxsize;
usbPrepareQueuedReceive(bdup->config->usbp,
bdup->config->bulk_out,
&bdup->iqueue, n);
chSysLock();
usbStartReceiveI(bdup->config->usbp, bdup->config->bulk_out);
}
}
/**
* @brief Notification of data inserted into the output queue.
*
* @param[in] qp the queue pointer.
*/
static void onotify(io_queue_t *qp) {
size_t n;
HIDDebugDriver *hiddp = qGetLink(qp);
/* If the USB driver is not in the appropriate state then transactions
* must not be started.*/
if((usbGetDriverStateI(hiddp->config->usbp) != USB_ACTIVE) ||
(hiddp->state != HIDDEBUG_READY)) {
return;
}
/* If there is not an ongoing transaction and the output queue contains
* enough data then a new transaction is started.*/
if(!usbGetTransmitStatusI(hiddp->config->usbp, hiddp->config->ep_in)) {
if((n = oqGetFullI(&hiddp->oqueue)) >= DEBUG_TX_SIZE) {
osalSysUnlock();
usbPrepareQueuedTransmit(hiddp->config->usbp,
hiddp->config->ep_in,
&hiddp->oqueue, DEBUG_TX_SIZE);
osalSysLock();
(void)usbStartTransmitI(hiddp->config->usbp, hiddp->config->ep_in);
}
}
}
void usb_debug_flush_output(HIDDebugDriver *hiddp) {
size_t n;
/* we'll sleep for a moment to finish any transfers that may be pending already */
/* there's a race condition somewhere, maybe because we have 2x buffer */
chThdSleepMilliseconds(2);
osalSysLock();
/* check that the states of things are as they're supposed to */
if((usbGetDriverStateI(hiddp->config->usbp) != USB_ACTIVE) ||
(hiddp->state != HIDDEBUG_READY)) {
osalSysUnlock();
return;
}
/* rearm the timer */
chVTSetI(&hid_debug_flush_timer, MS2ST(DEBUG_TX_FLUSH_MS), hid_debug_flush_cb, hiddp);
/* don't do anything if the queue is empty */
if((n = oqGetFullI(&hiddp->oqueue)) == 0) {
osalSysUnlock();
return;
}
osalSysUnlock();
/* if we don't have enough bytes in the queue, fill with zeroes */
while(n++ < DEBUG_TX_SIZE) {
oqPut(&hiddp->oqueue, 0);
}
/* will transmit automatically because of the onotify callback */
/* which transmits as soon as the queue has enough */
}
static msg_t get(void *ip) {
if (usbGetDriverStateI(((SerialUSBDriver *)ip)->config->usbp) != USB_ACTIVE) {
return MSG_RESET;
}
return ibqGetTimeout(&((SerialUSBDriver *)ip)->ibqueue, TIME_INFINITE);
}
static size_t readt(void *ip, uint8_t *bp, size_t n, systime_t timeout) {
if (usbGetDriverStateI(((SerialUSBDriver *)ip)->config->usbp) != USB_ACTIVE) {
return 0;
}
return ibqReadTimeout(&((SerialUSBDriver *)ip)->ibqueue, bp, n, timeout);
}
static size_t writet(void *ip, const uint8_t *bp, size_t n, systime_t timeout) {
if (usbGetDriverStateI(((SerialUSBDriver *)ip)->config->usbp) != USB_ACTIVE) {
return 0;
}
return obqWriteTimeout(&((SerialUSBDriver *)ip)->obqueue, bp, n, timeout);
}
static msg_t gett(void *ip, systime_t timeout) {
if (usbGetDriverStateI(((SerialUSBDriver *)ip)->config->usbp) != USB_ACTIVE) {
return MSG_RESET;
}
return ibqGetTimeout(&((SerialUSBDriver *)ip)->ibqueue, timeout);
}
static msg_t putt(void *ip, uint8_t b, systime_t timeout) {
if (usbGetDriverStateI(((USBHIDDriver *)ip)->config->usbp) != USB_ACTIVE) {
return MSG_RESET;
}
return obqPutTimeout(&((USBHIDDriver *)ip)->obqueue, b, timeout);
}
static size_t read(void *ip, uint8_t *bp, size_t n) {
if (usbGetDriverStateI(((SerialUSBDriver *)ip)->config->usbp) != USB_ACTIVE) {
return 0;
}
return ibqReadTimeout(&((SerialUSBDriver *)ip)->ibqueue, bp,
n, TIME_INFINITE);
}
static size_t write(void *ip, const uint8_t *bp, size_t n) {
if (usbGetDriverStateI(((SerialUSBDriver *)ip)->config->usbp) != USB_ACTIVE) {
return 0;
}
return obqWriteTimeout(&((SerialUSBDriver *)ip)->obqueue, bp,
n, TIME_INFINITE);
}
void LogTextMessage(const char* format, ...) {
if ((usbGetDriverStateI(BDU1.config->usbp) == USB_ACTIVE) && (connected)) {
int h = 0x546F7841; // "AxoT"
chSequentialStreamWrite((BaseSequentialStream * )&BDU1,
(const unsigned char* )&h, 4);
va_list ap;
va_start(ap, format);
chvprintf((BaseSequentialStream *)&BDU1, format, ap);
va_end(ap);
chSequentialStreamPut((BaseSequentialStream * )&BDU1, 0);
}
}
static void send_extra_report(uint8_t report_id, uint16_t data) {
osalSysLock();
if(usbGetDriverStateI(&USB_DRIVER) != USB_ACTIVE) {
osalSysUnlock();
return;
}
report_extra_t report = {
.report_id = report_id,
.usage = data
};
usbStartTransmitI(&USB_DRIVER, EXTRAKEY_IN_EPNUM, (uint8_t *)&report, sizeof(report_extra_t));
osalSysUnlock();
}
/**
* @brief Performs a transmit transaction on an IN endpoint.
*
* @param[in] usbp pointer to the @p USBDriver object
* @param[in] ep endpoint number
* @param[in] buf buffer where to fetch the data to be transmitted
* @param[in] n transaction size
*
* @return The operation status.
* @retval MSG_OK operation performed successfully.
* @retval MSG_RESET driver not in @p USB_ACTIVE state or the operation
* has been aborted by an USB reset or a transition to
* the @p USB_SUSPENDED state.
*
* @api
*/
msg_t usbTransmit(USBDriver *usbp, usbep_t ep, const uint8_t *buf, size_t n) {
msg_t msg;
osalSysLock();
if (usbGetDriverStateI(usbp) != USB_ACTIVE) {
osalSysUnlock();
return MSG_RESET;
}
usbStartTransmitI(usbp, ep, buf, n);
msg = osalThreadSuspendS(&usbp->epc[ep]->in_state->thread);
osalSysUnlock();
return msg;
}
/**
* @brief Notification of filled buffer inserted into the output buffers queue.
*
* @param[in] bqp the buffers queue pointer.
*/
static void obnotify(io_buffers_queue_t *bqp) {
size_t n;
SerialUSBDriver *sdup = bqGetLinkX(bqp);
/* If the USB driver is not in the appropriate state then transactions
must not be started.*/
if ((usbGetDriverStateI(sdup->config->usbp) != USB_ACTIVE) ||
(sdup->state != SDU_READY)) {
return;
}
/* Checking if there is already a transaction ongoing on the endpoint.*/
if (!usbGetTransmitStatusI(sdup->config->usbp, sdup->config->bulk_in)) {
/* Trying to get a full buffer.*/
uint8_t *buf = obqGetFullBufferI(&sdup->obqueue, &n);
if (buf != NULL) {
/* Buffer found, starting a new transaction.*/
usbStartTransmitI(sdup->config->usbp, sdup->config->bulk_in, buf, n);
}
}
}
static THD_FUNCTION(serialThread, arg) {
(void)arg;
event_listener_t new_data_listener;
event_listener_t sd1_listener;
event_listener_t sd2_listener;
chEvtRegister(&new_data_event, &new_data_listener, 0);
eventflags_t events = CHN_INPUT_AVAILABLE
| SD_PARITY_ERROR | SD_FRAMING_ERROR | SD_OVERRUN_ERROR | SD_NOISE_ERROR | SD_BREAK_DETECTED;
chEvtRegisterMaskWithFlags(chnGetEventSource(&SD1),
&sd1_listener,
EVENT_MASK(1),
events);
chEvtRegisterMaskWithFlags(chnGetEventSource(&SD2),
&sd2_listener,
EVENT_MASK(2),
events);
bool need_wait = false;
while(true) {
eventflags_t flags1 = 0;
eventflags_t flags2 = 0;
if (need_wait) {
eventmask_t mask = chEvtWaitAnyTimeout(ALL_EVENTS, MS2ST(1000));
if (mask & EVENT_MASK(1)) {
flags1 = chEvtGetAndClearFlags(&sd1_listener);
print_error("DOWNLINK", flags1, &SD1);
}
if (mask & EVENT_MASK(2)) {
flags2 = chEvtGetAndClearFlags(&sd2_listener);
print_error("UPLINK", flags2, &SD2);
}
}
// Always stay as master, even if the USB goes into sleep mode
is_master |= usbGetDriverStateI(&USBD1) == USB_ACTIVE;
router_set_master(is_master);
need_wait = true;
need_wait &= read_from_serial(&SD2, UP_LINK) == 0;
need_wait &= read_from_serial(&SD1, DOWN_LINK) == 0;
update_transport();
}
}
void send_mouse(report_mouse_t *report) {
osalSysLock();
if(usbGetDriverStateI(&USB_DRIVER) != USB_ACTIVE) {
osalSysUnlock();
return;
}
if(usbGetTransmitStatusI(&USB_DRIVER, MOUSE_IN_EPNUM)) {
/* Need to either suspend, or loop and call unlock/lock during
* every iteration - otherwise the system will remain locked,
* no interrupts served, so USB not going through as well.
* Note: for suspend, need USB_USE_WAIT == TRUE in halconf.h */
if (osalThreadSuspendTimeoutS(&(&USB_DRIVER)->epc[MOUSE_IN_EPNUM]->in_state->thread, MS2ST(10)==MSG_TIMEOUT)) {
osalSysUnlock();
return;
}
}
usbStartTransmitI(&USB_DRIVER, MOUSE_IN_EPNUM, (uint8_t *)report, sizeof(report_mouse_t));
osalSysUnlock();
}
static THD_FUNCTION(buttonThread, arg) {
(void)arg;
wkup_old_state = 0;
while(1) {
wkup_cur_state = palReadPad(GPIOA, GPIOA_BUTTON);
if(wkup_cur_state != wkup_old_state) {
chSysLock();
if(usbGetDriverStateI(&USBD1) == USB_ACTIVE) {
chSysUnlock();
chnWrite((BaseChannel *)&HIDD, (uint8_t *)"Hello, world!\n", 14);
} else
chSysUnlock();
wkup_old_state = wkup_cur_state;
}
chThdSleepMilliseconds(50);
}
}
/**
* @brief Notification of empty buffer released into the input buffers queue.
*
* @param[in] bqp the buffers queue pointer.
*/
static void ibnotify(io_buffers_queue_t *bqp) {
SerialUSBDriver *sdup = bqGetLinkX(bqp);
/* If the USB driver is not in the appropriate state then transactions
must not be started.*/
if ((usbGetDriverStateI(sdup->config->usbp) != USB_ACTIVE) ||
(sdup->state != SDU_READY)) {
return;
}
/* Checking if there is already a transaction ongoing on the endpoint.*/
if (!usbGetReceiveStatusI(sdup->config->usbp, sdup->config->bulk_out)) {
/* Trying to get a free buffer.*/
uint8_t *buf = ibqGetEmptyBufferI(&sdup->ibqueue);
if (buf != NULL) {
/* Buffer found, starting a new transaction.*/
usbStartReceiveI(sdup->config->usbp, sdup->config->bulk_out,
buf, SERIAL_USB_BUFFERS_SIZE);
}
}
}
/* callback */
static void hid_debug_flush_cb(void *arg) {
HIDDebugDriver *hiddp = (HIDDebugDriver *)arg;
size_t i, n;
uint8_t buf[DEBUG_TX_SIZE];
osalSysLockFromISR();
/* check that the states of things are as they're supposed to */
if((usbGetDriverStateI(hiddp->config->usbp) != USB_ACTIVE) ||
(hiddp->state != HIDDEBUG_READY)) {
/* rearm the timer */
chVTSetI(&hid_debug_flush_timer, MS2ST(DEBUG_TX_FLUSH_MS), hid_debug_flush_cb, hiddp);
osalSysUnlockFromISR();
return;
}
/* don't do anything if the queue or has enough stuff in it */
if(((n = oqGetFullI(&hiddp->oqueue)) == 0) || (n >= DEBUG_TX_SIZE)) {
/* rearm the timer */
chVTSetI(&hid_debug_flush_timer, MS2ST(DEBUG_TX_FLUSH_MS), hid_debug_flush_cb, hiddp);
osalSysUnlockFromISR();
return;
}
/* there's stuff hanging in the queue - so dequeue and send */
for(i = 0; i < n; i++)
buf[i] = (uint8_t)oqGetI(&hiddp->oqueue);
for(i = n; i < DEBUG_TX_SIZE; i++)
buf[i] = 0;
osalSysUnlockFromISR();
usbPrepareTransmit(hiddp->config->usbp, hiddp->config->ep_in, buf, DEBUG_TX_SIZE);
osalSysLockFromISR();
(void)usbStartTransmitI(hiddp->config->usbp, hiddp->config->ep_in);
/* rearm the timer */
chVTSetI(&hid_debug_flush_timer, MS2ST(DEBUG_TX_FLUSH_MS), hid_debug_flush_cb, hiddp);
osalSysUnlockFromISR();
}
/**
* @brief Notification of data inserted into the output queue.
*/
static void onotify(GenericQueue *qp) {
size_t n;
SerialUSBDriver *sdup = chQGetLink(qp);
/* If the USB driver is not in the appropriate state then transactions
must not be started.*/
if (usbGetDriverStateI(sdup->config->usbp) != USB_ACTIVE)
return;
/* If there is not an ongoing transaction and the output queue contains
data then a new transaction is started.*/
if (!usbGetTransmitStatusI(sdup->config->usbp, USB_CDC_DATA_REQUEST_EP) &&
((n = chOQGetFullI(&sdup->oqueue)) > 0)) {
chSysUnlock();
usbPrepareQueuedTransmit(sdup->config->usbp,
USB_CDC_DATA_REQUEST_EP,
&sdup->oqueue, n);
chSysLock();
usbStartTransmitI(sdup->config->usbp, USB_CDC_DATA_REQUEST_EP);
}
}
/**
* @brief Notification of data inserted into the output queue.
*/
static void onotify(GenericQueue *qp) {
size_t n;
BulkUSBDriver *bdup = chQGetLink(qp);
/* If the USB driver is not in the appropriate state then transactions
must not be started.*/
if ((usbGetDriverStateI(bdup->config->usbp) != USB_ACTIVE) ||
(bdup->state != BDU_READY))
return;
/* If there is not an ongoing transaction and the output queue contains
data then a new transaction is started.*/
if (!usbGetTransmitStatusI(bdup->config->usbp, bdup->config->bulk_in) &&
((n = chOQGetFullI(&bdup->oqueue)) > 0)) {
chSysUnlock();
usbPrepareQueuedTransmit(bdup->config->usbp,
bdup->config->bulk_in,
&bdup->oqueue, n);
chSysLock();
usbStartTransmitI(bdup->config->usbp, bdup->config->bulk_in);
}
}
static THD_FUNCTION(buttonThread, arg) {
(void)arg;
wkup_old_state = 0;
while(1) {
wkup_cur_state = palReadPad(BUTTON_GPIO, BUTTON_PIN);
if(wkup_cur_state != wkup_old_state) {
chSysLock();
if(usbGetDriverStateI(&USB_DRIVER) == USB_ACTIVE) {
chSysUnlock();
/* just some test code for various reports
* choose one and comment the others
*/
/* keyboard test, sends 'n' in nkro mode, 'm' in normal mode */
#ifdef NKRO_ENABLE
if(wkup_cur_state == BUTTON_ACTIVE) {
report.nkro.bits[2] |= 2; // 'n'
} else {
report.nkro.bits[2] &= 0b11111101;
}
#else
report.keys[0] = ((wkup_cur_state == BUTTON_ACTIVE) ? 0x10 : 0); // 'm'
#endif
send_keyboard(&report);
/* mouse test, moves the mouse pointer diagonally right and down */
// send_mouse(&mouse_report);
/* consumer keys test, sends 'mute audio' */
// if(wkup_cur_state == BUTTON_ACTIVE) {
// send_consumer(AUDIO_MUTE);
// } else {
// send_consumer(0);
// }
/* system keys test, sends 'sleep key'
* on macs it takes a second or two for the system to react
* I suppose it's to prevent from accidental hits of the sleep key
*/
// if(wkup_cur_state == BUTTON_ACTIVE) {
// send_system(SYSTEM_SLEEP);
// } else {
// send_system(0);
// }
/* debug console test, sends the button state and the alphabet
* - also blink, to see that the code above is not blocking
*/
// sendchar(((wkup_cur_state == BUTTON_ACTIVE) ? '1' : '0'));
// uint8_t n;
// for(n = 0; n < 26; n++) {
// sendchar('A' + n);
// sendchar('a' + n);
// }
// sendchar('\n');
// palSetPad(LED2_GPIO, LED2_PIN);
// chThdSleepMilliseconds(50);
// palClearPad(LED2_GPIO, LED2_PIN);
} else
chSysUnlock();
wkup_old_state = wkup_cur_state;
}
chThdSleepMilliseconds(50);
}
}
/* Idle requests timer code
* callback (called from ISR, unlocked state) */
static void keyboard_idle_timer_cb(void *arg) {
USBDriver *usbp = (USBDriver *)arg;
osalSysLockFromISR();
/* check that the states of things are as they're supposed to */
if(usbGetDriverStateI(usbp) != USB_ACTIVE) {
/* do not rearm the timer, should be enabled on IDLE request */
osalSysUnlockFromISR();
return;
}
#ifdef NKRO_ENABLE
if(!keymap_config.nkro && keyboard_idle) {
#else /* NKRO_ENABLE */
if(keyboard_idle) {
#endif /* NKRO_ENABLE */
/* TODO: are we sure we want the KBD_ENDPOINT? */
if(!usbGetTransmitStatusI(usbp, KEYBOARD_IN_EPNUM)) {
usbStartTransmitI(usbp, KEYBOARD_IN_EPNUM, (uint8_t *)&keyboard_report_sent, KEYBOARD_EPSIZE);
}
/* rearm the timer */
chVTSetI(&keyboard_idle_timer, 4*MS2ST(keyboard_idle), keyboard_idle_timer_cb, (void *)usbp);
}
/* do not rearm the timer if the condition above fails
* it should be enabled again on either IDLE or SET_PROTOCOL requests */
osalSysUnlockFromISR();
}
/* LED status */
uint8_t keyboard_leds(void) {
return (uint8_t)(keyboard_led_stats & 0xFF);
}
/* prepare and start sending a report IN
* not callable from ISR or locked state */
void send_keyboard(report_keyboard_t *report) {
osalSysLock();
if(usbGetDriverStateI(&USB_DRIVER) != USB_ACTIVE) {
osalSysUnlock();
return;
}
osalSysUnlock();
#ifdef NKRO_ENABLE
if(keymap_config.nkro) { /* NKRO protocol */
/* need to wait until the previous packet has made it through */
/* can rewrite this using the synchronous API, then would wait
* until *after* the packet has been transmitted. I think
* this is more efficient */
/* busy wait, should be short and not very common */
osalSysLock();
if(usbGetTransmitStatusI(&USB_DRIVER, NKRO_IN_EPNUM)) {
/* Need to either suspend, or loop and call unlock/lock during
* every iteration - otherwise the system will remain locked,
* no interrupts served, so USB not going through as well.
* Note: for suspend, need USB_USE_WAIT == TRUE in halconf.h */
osalThreadSuspendS(&(&USB_DRIVER)->epc[NKRO_IN_EPNUM]->in_state->thread);
}
usbStartTransmitI(&USB_DRIVER, NKRO_IN_EPNUM, (uint8_t *)report, sizeof(report_keyboard_t));
osalSysUnlock();
} else
#endif /* NKRO_ENABLE */
{ /* boot protocol */
/* need to wait until the previous packet has made it through */
/* busy wait, should be short and not very common */
osalSysLock();
if(usbGetTransmitStatusI(&USB_DRIVER, KEYBOARD_IN_EPNUM)) {
/* Need to either suspend, or loop and call unlock/lock during
* every iteration - otherwise the system will remain locked,
* no interrupts served, so USB not going through as well.
* Note: for suspend, need USB_USE_WAIT == TRUE in halconf.h */
osalThreadSuspendS(&(&USB_DRIVER)->epc[KEYBOARD_IN_EPNUM]->in_state->thread);
}
usbStartTransmitI(&USB_DRIVER, KEYBOARD_IN_EPNUM, (uint8_t *)report, KEYBOARD_EPSIZE);
osalSysUnlock();
}
keyboard_report_sent = *report;
}
