// Declare Main application
void main(void) {
// Initialize variables
vos_init_semaphore(&DevicesStarted, 0);
vos_init_mutex(&dprintLock, VOS_MUTEX_UNLOCKED);
Delay = 511;
vos_init_semaphore(&EnumerationComplete, 0);
vos_init_semaphore(&SendKeyboardReport, 0);
// Initialise RTOS
vos_init(VOS_QUANTUM, VOS_TICK_INTERVAL, NUMBER_OF_DEVICES);
// Sets the CPU frequency of the connected device.
vos_set_clock_frequency(VOS_48MHZ_CLOCK_FREQUENCY);
// Initialise devices
if (InitDevices()) {
// Initialise threads - pass a ThreadID to each thread
vos_create_thread(28, SIZEOF_tcb, &Blink, 1, 1);
vos_create_thread(27, SIZEOF_tcb, &EnumerateSlave, 1, 2);
vos_create_thread(26, SIZEOF_tcb, &FindKeyboard, 1, 4);
vos_create_thread(25, SIZEOF_tcb, &SendReports, 1, 8);
vos_create_thread( 1, SIZEOF_tcb, &MyIdleTask, 0);
// Start Scheduler to kick off the created thread(s)
vos_start_scheduler();
}
// It is an error to get here, use a breakpoint to catch this
while (1) {
CheckStatus(1, ErrorSchedulerDidNotStart);
}
}
void fifo_init(FIFO_TYPE *pfifo)
{
memset(pfifo, 0, sizeof(FIFO_TYPE));
vos_init_semaphore(&pfifo->semRead, 0);
vos_init_semaphore(&pfifo->semWrite, SZ_FIFO-1);
vos_init_mutex(&pfifo->mutex, VOS_MUTEX_UNLOCKED);
}
void CreateKeystrokes(BYTE ThreadID) {
// Wait for the keyboard to be enumerated then send keystrokes
// Owns KeyboardMessage at startup
vos_semaphore_t ReturnedSemaphore;
BYTE Report[8];
BYTE i = 0;
memset(&Report[0], 0, sizeof(Report));
WaitForDevicesStarted();
vos_init_semaphore(&ReturnedSemaphore, 0);
vos_wait_semaphore(&EnumerationComplete);
dprint("\nEnumeration complete, sending keystrokes ", 0);
KeyboardMessage.ReportBuffer = &Report[0];
KeyboardMessage.ReportLength = sizeof(Report);
KeyboardMessage.ResponseSemaphore = &ReturnedSemaphore;
while (1) {
Report[0] = ModifierCodes[i];
Report[2] = UsageCodes[i];
i_vos_signal_semaphore(ThreadID, &SendKeyboardReport); // Keydown
i_vos_wait_semaphore(ThreadID, &ReturnedSemaphore);
i_vos_delay_msecs(ThreadID, 50);
Report[0] = 0;
Report[2] = 0;
i_vos_signal_semaphore(ThreadID, &SendKeyboardReport); // Keyup
i_vos_wait_semaphore(ThreadID, &ReturnedSemaphore);
i_vos_delay_msecs(ThreadID, 200);
if (++i >= sizeof(UsageCodes)) {
i=0;
i_vos_delay_msecs(ThreadID, 1000);
}
}
}
// Declare Main application
void main(void) {
// Initialize variables
vos_init_semaphore(&DevicesStarted, 0);
// Initialise RTOS
vos_init(VOS_QUANTUM, VOS_TICK_INTERVAL, NUMBER_OF_DEVICES);
// Sets the CPU frequency of the connected device.
vos_set_clock_frequency(VOS_48MHZ_CLOCK_FREQUENCY);
// Initialise devices
if (InitDevices()) {
// Initialise thread(s)
vos_create_thread(27, SIZEOF_tcb, &HelloWorld, 0);
vos_create_thread(28, SIZEOF_tcb, &Blink, 0);
// Start Scheduler to kick off the created thread(s)
vos_start_scheduler();
}
// It is an error to get here, use a breakpoint to catch this
while (1) {
CheckStatus(FALSE, ErrorSchedulerDidNotStart);
}
}
/////////////////////////////////////////////////////////////////////////////
// INIT
void SMQInit()
{
head = 0;
tail = 0;
vos_init_semaphore(&semAvailable,0);
vos_init_mutex(&mAccess,0);
}
// This function MUST BE CALLED BEFORE THE SCHEDULER IS STARTED
// It initializes (initialises for you Brits reading this) variables
// in the context structure, registers our driver with the
// VOS device manager, and creates the thread for handling
// requests on the control endpoint.
unsigned char usbslaveboms_init(unsigned char vos_dev_num)
{
vos_driver_t *usbSlaveBoms_cb;
slaveBomsCtx = vos_malloc(sizeof(usbSlaveBoms_context));
if (slaveBomsCtx == NULL)
return USBSLAVEBOMS_ERROR; //somehow ran out of RAM
usbSlaveBoms_cb = vos_malloc(sizeof(vos_driver_t));
if (usbSlaveBoms_cb == NULL)
{
vos_free(slaveBomsCtx);
return USBSLAVEBOMS_ERROR;
}
// Set up function pointers for our driver
usbSlaveBoms_cb->flags = 0;
usbSlaveBoms_cb->read = usbSlaveBoms_read;
usbSlaveBoms_cb->write = usbSlaveBoms_write;
usbSlaveBoms_cb->ioctl = usbSlaveBoms_ioctl;
usbSlaveBoms_cb->interrupt = (PF_INT) NULL;
usbSlaveBoms_cb->open = (PF_OPEN) NULL;
usbSlaveBoms_cb->close = (PF_CLOSE) NULL;
// OK - register with device manager
vos_dev_init(vos_dev_num, usbSlaveBoms_cb, slaveBomsCtx);
// defaults to not connected and no flash drive yet
slaveBomsCtx->attached = 0;
slaveBomsCtx->flashConnected = 0;
// create the thread that handles standard control requests
slaveBomsCtx->tcbSetup = vos_create_thread_ex(31, SIZEOF_BOMS_SETUP_MEMORY, usbslaveboms_setup, "BOMSSetup", 2, slaveBomsCtx);
// initialize the sempahore to 0 so that anyone waiting for
// the device to enum will block
vos_init_semaphore(&slaveBomsCtx->enumed, 0);
if (slaveBomsCtx->tcbSetup)
return USBSLAVEBOMS_OK;
return USBSLAVEBOMS_ERROR;
}
usbhost_device_handle* WaitForVIDPID(BYTE ThreadID, WORD VID, WORD PID) {
usbhost_ioctl_cb_t hc_iocb;
usbhost_device_handle* ifDev;
usbhost_ioctl_cb_vid_pid_t hc_iocb_VidPid;
BYTE State, Status;
// Return when a device matching VID and PID has been found
while (1) {
dprint(" .", 0);
i_vos_delay_msecs(ThreadID, 1000);
// Check that the host has finished enumeration
hc_iocb.ioctl_code = VOS_IOCTL_USBHOST_GET_CONNECT_STATE;
hc_iocb.get = &State;
i_vos_dev_ioctl(ThreadID, hDevice[Host], &hc_iocb);
if (State == PORT_STATE_ENUMERATED) {
// Check for a specific device
hc_iocb_VidPid.vid = VID;
hc_iocb_VidPid.pid = PID;
hc_iocb.ioctl_code = VOS_IOCTL_USBHOST_DEVICE_FIND_HANDLE_BY_VID_PID;
hc_iocb.handle.dif = NULL;
hc_iocb.set = &hc_iocb_VidPid;
hc_iocb.get = &ifDev;
i_vos_dev_ioctl(ThreadID, hDevice[Host], &hc_iocb);
if (ifDev) {
// Now get handles for the Data Endpoints
hc_iocb.ioctl_code = VOS_IOCTL_USBHOST_DEVICE_GET_INT_IN_ENDPOINT_HANDLE;
hc_iocb.handle.dif = ifDev;
hc_iocb.get = &IntIn;
Status = i_vos_dev_ioctl(ThreadID, hDevice[Host], &hc_iocb);
if (Status != USBHOST_OK) return dprint("Could not get IntIn Endpoint (%d) ", &Status);
hc_iocb.ioctl_code = VOS_IOCTL_USBHOST_DEVICE_GET_INT_OUT_ENDPOINT_HANDLE;
// hc_iocb.handle.dif = ifDev;
hc_iocb.get = &IntOut;
Status = i_vos_dev_ioctl(ThreadID, hDevice[Host], &hc_iocb);
if (Status != USBHOST_OK) return dprint("Could not get IntOut Endpoint (%d) ", &Status);
vos_init_semaphore(&IntTransferComplete, 0);
return ifDev;
}
}
// Keyboard is not attached, wait until current device(s) is/are removed and check again
dprint("\nDevice not found, waiting for more devices", 0);
vos_delay_msecs(5000);
}
return 0; // Keep compiler happy
}
// USBHOSTBoms read function
unsigned char usbhostBoms_read(char *buf,
unsigned short num_to_read,
unsigned short *num_read,
usbhostBoms_context_t *ctx)
{
unsigned short actual_read = 0;
unsigned char status = USBHOSTBOMS_NOT_FOUND;
usbhost_xfer_t xfer;
vos_semaphore_t s;
if (ctx->hc)
{
vos_init_semaphore(&s, 0);
vos_memset(&xfer, 0, sizeof(usbhost_xfer_t));
xfer.buf = buf;
xfer.len = num_to_read;
xfer.ep = ctx->epBulkIn;
xfer.s = &s;
xfer.cond_code = USBHOST_CC_NOTACCESSED;
xfer.flags = USBHOST_XFER_FLAG_START_BULK_ENDPOINT_LIST | USBHOST_XFER_FLAG_ROUNDING;
status = vos_dev_read(ctx->hc, (unsigned char *) &xfer, sizeof(usbhost_xfer_t), NULL);
if (status == USBHOST_OK)
{
status = (unsigned char)USBHOSTBOMS_OK;
actual_read = xfer.len;
}
else
{
status |= (unsigned char)USBHOSTBOMS_USBHOST_ERROR;
}
}
if (num_read)
{
*num_read = actual_read;
}
return status;
}
//////////////////////////////////////////////////////////////////////
//
// MAIN
//
//////////////////////////////////////////////////////////////////////
void main(void)
{
usbhost_context_t usbhostContext;
gpio_context_t gpioCtx;
spislave_context_t spiSlaveContext;
// Kernel initialisation
vos_init(50, VOS_TICK_INTERVAL, VOS_NUMBER_DEVICES);
vos_set_clock_frequency(VOS_48MHZ_CLOCK_FREQUENCY);
vos_set_idle_thread_tcb_size(512);
// Set up the io multiplexing
iomux_setup();
spiSlaveContext.slavenumber = SPI_SLAVE_0;
spiSlaveContext.buffer_size = 64;
spislave_init(VOS_DEV_SPISLAVE, &spiSlaveContext);
// Initialise GPIO port A
gpioCtx.port_identifier = GPIO_PORT_A;
gpio_init(VOS_DEV_GPIO_A,&gpioCtx);
// Initialise USB Host devices
usbhostContext.if_count = 8;
usbhostContext.ep_count = 16;
usbhostContext.xfer_count = 2;
usbhostContext.iso_xfer_count = 2;
usbhost_init(VOS_DEV_USBHOST_1, VOS_DEV_USBHOST_2, &usbhostContext);
// Initialise the USB function device
usbhostGeneric_init(VOS_DEV_USBHOSTGENERIC_1);
usbhostGeneric_init(VOS_DEV_USBHOSTGENERIC_2);
PortA.uchActivityLed = LED_USB_A;
PortA.uchMsg = MSG_PORTA;
PortA.uchDeviceNumberBase = VOS_DEV_USBHOST_1;
PortA.uchDeviceNumber = VOS_DEV_USBHOSTGENERIC_1;
PortB.uchActivityLed = LED_USB_B;
PortB.uchMsg = MSG_PORTB;
PortB.uchDeviceNumberBase = VOS_DEV_USBHOST_2;
PortB.uchDeviceNumber = VOS_DEV_USBHOSTGENERIC_2;
vos_init_semaphore(&setupSem,0);
fifo_init(&stSPIReadFIFO);
fifo_init(&stSPIWriteFIFO);
tcbSetup = vos_create_thread_ex(10, 1024, Setup, "Setup", 0);
tcbHostA = vos_create_thread_ex(20, 1024, RunHostPort, "RunHostPortA", sizeof(HOST_PORT_DATA*), &PortA);
//tcbHostB = vos_create_thread_ex(21, 1024, RunHostPort, "RunHostPortB", sizeof(HOST_PORT_DATA*), &PortB);
tcbRunSPISend = vos_create_thread_ex(20, 1024, RunSPISend, "RunSPISend", 0);
tcbRunSPIReceive = vos_create_thread_ex(19, 1024, RunSPIReceive, "RunSPIReceive", 0);
tcbRunUSBSend = vos_create_thread_ex(20, 1024, RunUSBSend, "RunUSBSend", 0);
// And start the thread
vos_start_scheduler();
main_loop:
goto main_loop;
}
//////////////////////////////////////////////////////////////////////
//
// MAIN
//
//////////////////////////////////////////////////////////////////////
void main(void)
{
/* FTDI:SDD Driver Declarations */
// UART Driver configuration context
uart_context_t uartContext;
// USB Host configuration context
usbhost_context_t usbhostContext;
gpio_context_t gpioCtx;
// Kernel initialisation
vos_init(50, VOS_TICK_INTERVAL, VOS_NUMBER_DEVICES);
vos_set_clock_frequency(VOS_48MHZ_CLOCK_FREQUENCY);
vos_set_idle_thread_tcb_size(512);
// Set up the io multiplexing
iomux_setup();
// Initialise GPIO port A
gpioCtx.port_identifier = GPIO_PORT_A;
gpio_init(VOS_DEV_GPIO_A,&gpioCtx); //
// Initialise UART
uartContext.buffer_size = VOS_BUFFER_SIZE_128_BYTES;
uart_init(VOS_DEV_UART, &uartContext);
// Initialise USB Host devices
usbhostContext.if_count = 8;
usbhostContext.ep_count = 16;
usbhostContext.xfer_count = 2;
usbhostContext.iso_xfer_count = 2;
//usbhost_init(VOS_DEV_USBHOST_1, VOS_DEV_USBHOST_2, &usbhostContext);
usbhost_init(VOS_DEV_USBHOST_1, -1, &usbhostContext);
// Initialise the USB function device
usbhostGeneric_init(VOS_DEV_USBHOSTGENERIC_1);
//usbhostGeneric_init(VOS_DEV_USBHOSTGENERIC_2);
PortA.uchDeviceNumber = VOS_DEV_USBHOSTGENERIC_1;
PortA.uchMidiChannel = 0;
PortA.uchActivityLed = 0b00000010;
//PortB.uchDeviceNumber = VOS_DEV_USBHOSTGENERIC_2;
//PortB.uchMidiChannel = 1;
//PortB.uchActivityLed = 0b00000100;
// setup the event queue
SMQInit();
// Initializes our device with the device manager.
tcbSetup = vos_create_thread_ex(10, 1024, Setup, "Setup", 0);
tcbHostA = vos_create_thread_ex(20, 1024, RunHostPort, "RunHostPortA", sizeof(HOST_PORT_DATA*), &PortA);
//tcbHostB = vos_create_thread_ex(20, 1024, RunHostPort, "RunHostPortB", sizeof(HOST_PORT_DATA*), &PortB);
tcbPlaypad = vos_create_thread_ex(15, 1024, RunPlaypad, "RunPlaypad", 0);
tcbMetro = vos_create_thread_ex(15, 1024, RunMetronome, "RunMetronome", 0);
tcbMIDIInput = vos_create_thread_ex(15, 1024, RunMIDIInput, "RunMIDIInput", 0);
vos_init_semaphore(&setupSem,0);
// And start the thread
vos_start_scheduler();
main_loop:
goto main_loop;
}
//////////////////////////////////////////////////////////////////////
//
// MM MM IIII DDDDD IIII
// MMM MMM II DD DD II
// MM MM MM II DD DD II
// MM MM II DD DD II
// MM MM IIII DDDDD IIII
//
void run_midi_class_host(VOS_HANDLE usb_handle)
{
unsigned char state;
int status;
usbhost_device_handle_ex interface_handle;
usbhost_ep_handle_ex tx_endpoint;
usbhost_ep_handle_ex rx_endpoint;
usbhost_ep_handle_ex ctrl_endpoint;
vos_semaphore_t read_completion_event;
usbhost_ioctl_cb_t usbhost_cmd;
usbhost_ioctl_cb_class_t device_class;
usbhost_ioctl_cb_vid_pid_t vid_pid;
usbhost_xfer_t transfer_block;
usb_deviceRequest_t device_request;
usbhost_ioctl_cb_ep_info_t endpoint_descriptor;
vos_init_semaphore(&read_completion_event, 0);
device_class.dev_class = USB_CLASS_AUDIO;
device_class.dev_subclass = USB_SUBCLASS_AUDIO_MIDISTREAMING;
device_class.dev_protocol = USB_PROTOCOL_ANY;
usbhost_cmd.ioctl_code = VOS_IOCTL_USBHOST_DEVICE_FIND_HANDLE_BY_CLASS;
usbhost_cmd.handle.dif = NULL;
usbhost_cmd.set = &device_class;
usbhost_cmd.get = &interface_handle;
status = vos_dev_ioctl(usb_handle, &usbhost_cmd);
if(USBHOST_OK != status) {
return;
}
usbhost_cmd.ioctl_code = VOS_IOCTL_USBHOST_GET_USB_STATE;
usbhost_cmd.handle.dif = interface_handle;
usbhost_cmd.get = &state;
usbhost_cmd.set = NULL;
status = vos_dev_ioctl(usb_handle, &usbhost_cmd);
if(USBHOST_OK != status) {
return;
}
usbhost_cmd.ioctl_code = VOS_IOCTL_USBHOST_DEVICE_GET_VID_PID;
usbhost_cmd.handle.dif = interface_handle;
usbhost_cmd.get = &vid_pid;
usbhost_cmd.set = NULL;
status = vos_dev_ioctl(usb_handle, &usbhost_cmd);
if(USBHOST_OK != status) {
return;
}
usbhost_cmd.ioctl_code = VOS_IOCTL_USBHOST_DEVICE_GET_BULK_OUT_ENDPOINT_HANDLE;
usbhost_cmd.handle.dif = interface_handle;
usbhost_cmd.get = &tx_endpoint;
usbhost_cmd.set = NULL;
status = vos_dev_ioctl(usb_handle, &usbhost_cmd);
if(USBHOST_OK != status) {
return;
}
usbhost_cmd.ioctl_code = VOS_IOCTL_USBHOST_DEVICE_GET_BULK_IN_ENDPOINT_HANDLE;
usbhost_cmd.handle.dif = interface_handle;
usbhost_cmd.get = &rx_endpoint;
usbhost_cmd.set = NULL;
status = vos_dev_ioctl(usb_handle, &usbhost_cmd);
if(USBHOST_OK != status) {
return;
}
usbhost_cmd.ioctl_code = VOS_IOCTL_USBHOST_DEVICE_GET_CONTROL_ENDPOINT_HANDLE;
usbhost_cmd.handle.dif = interface_handle;
usbhost_cmd.get = &ctrl_endpoint;
usbhost_cmd.set = NULL;
status = vos_dev_ioctl(usb_handle, &usbhost_cmd);
if(USBHOST_OK != status) {
return;
}
// send a SetIdle to the device
device_request.bmRequestType = USB_BMREQUESTTYPE_HOST_TO_DEV |
USB_BMREQUESTTYPE_CLASS |
USB_BMREQUESTTYPE_INTERFACE;
device_request.bRequest = 0x0a;
device_request.wValue = 0;
device_request.wIndex = 0;
device_request.wLength = 0;
usbhost_cmd.ioctl_code = VOS_IOCTL_USBHOST_DEVICE_SETUP_TRANSFER;
usbhost_cmd.handle.ep = ctrl_endpoint;
usbhost_cmd.set = &device_request;
status = vos_dev_ioctl(usb_handle, &usbhost_cmd);
while (1)
{
vos_memset(&transfer_block, 0, sizeof(transfer_block));
transfer_block.cond_code = USBHOST_CC_NOTACCESSED;
transfer_block.flags = USBHOST_XFER_FLAG_START_BULK_ENDPOINT_LIST|USBHOST_XFER_FLAG_ROUNDING;
transfer_block.s = &read_completion_event;
transfer_block.ep = rx_endpoint;
transfer_block.buf = usb_rx_data;
transfer_block.len = SZ_USB_RX_DATA;
status = vos_dev_read(usb_handle, (byte*)&transfer_block, sizeof(transfer_block), NULL);
if(status != USBHOST_OK) {
break;
}
send_output(usb_rx_data, transfer_block.len);
}
}