static void acm_received(uint32_t _tkn, int32_t _amt)
{
if(acm_file_ptr != NULL && acm_file_recv_left > 0)
{
if(_amt >= acm_file_recv_left)
{
memcpy(acm_file_ptr, acm_recv_buffer, acm_file_recv_left);
bufferPrintf("ACM: Received file (finished at 0x%08x)!\n", acm_file_ptr + acm_file_recv_left);
acm_busy = FALSE;
acm_file_ptr = NULL;
acm_file_recv_left = 0;
usb_receive_bulk(ACM_EP_RECV, acm_recv_buffer, acm_usb_mps);
return;
}
else
{
memcpy(acm_file_ptr, acm_recv_buffer, _amt);
acm_file_ptr += _amt;
acm_file_recv_left -= _amt;
//bufferPrintf("ACM: Got %d of file (%d remain).\n", _amt, acm_file_recv_left);
usb_receive_bulk(ACM_EP_RECV, acm_recv_buffer, acm_usb_mps);
return;
}
}
task_start(&acm_parse_task, &acm_parse, (void*)_amt);
}
static void acm_started()
{
acm_is_ready = 0;
if(usb_get_speed() == USBHighSpeed)
acm_usb_mps = 512;
else
acm_usb_mps = 0x80;
usb_enable_endpoint(ACM_EP_SEND, USBIn, USBBulk, acm_usb_mps);
usb_enable_endpoint(ACM_EP_RECV, USBOut, USBBulk, acm_usb_mps);
acm_busy = FALSE;
acm_file_ptr = NULL;
acm_file_recv_left = 0;
acm_file_send_left = 0;
acm_unprocessed = 0;
usb_receive_bulk(ACM_EP_RECV, acm_recv_buffer, acm_usb_mps);
acm_send();
acm_is_ready = 1;
bufferPrintf("ACM: Ready.\n");
}
static void acm_parse(int32_t _amt)
{
int i = 0;
char **argv;
int argc;
char scratch[ACM_BUFFER_SIZE];
for(; i < _amt; i++)
{
if(acm_recv_buffer[i] == '\n'
|| acm_recv_buffer[i] == '\r')
{
_amt = i;
break;
}
}
acm_recv_buffer[_amt] = 0;
memcpy(scratch, acm_recv_buffer, _amt+1);
argv = command_parse(scratch, &argc);
if(argc >= 3 && strcmp(argv[0], "sendfile") == 0)
{
acm_busy = TRUE;
acm_file_ptr = (char*)parseNumber(argv[1]);
acm_file_recv_left = parseNumber(argv[2]);
received_file_size = acm_file_recv_left;
bufferPrintf("ACM: Started receiving file at 0x%08x - 0x%08x (%d bytes).\n", acm_file_ptr, acm_file_ptr + acm_file_recv_left, acm_file_recv_left);
}
else if(argc >= 3 && strcmp(argv[0], "recvfile") == 0)
{
acm_busy = TRUE;
acm_file_ptr = (char*)parseNumber(argv[1]);
acm_file_send_left = parseNumber(argv[2]);
bufferPrintf("ACM: Started sending file at 0x%08x - 0x%08x (%d bytes).\n", acm_file_ptr, acm_file_ptr + acm_file_send_left, acm_file_send_left);
int amt = sprintf(acm_send_buffer, "ACM: Starting File: %d %d\n", (uint32_t)acm_file_ptr, acm_file_send_left);
usb_send_bulk(ACM_EP_SEND, acm_send_buffer, amt);
}
else
{
bufferPrintf("ACM: Starting %s\n", acm_recv_buffer);
if(command_run(argc, argv) == 0)
bufferPrintf("ACM: Done: %s\n", acm_recv_buffer);
else
bufferPrintf("ACM: Unknown command: %s\n", argv[0]);
}
free(argv);
EnterCriticalSection(); // Deliberately unended.
usb_receive_bulk(ACM_EP_RECV, acm_recv_buffer, acm_usb_mps);
task_stop();
}
static void controlReceived(uint32_t token) {
OpenIBootCmd* cmd = (OpenIBootCmd*)controlRecvBuffer;
OpenIBootCmd* reply = (OpenIBootCmd*)controlSendBuffer;
if(cmd->command == OPENIBOOTCMD_DUMPBUFFER) {
int length;
if(sendFileBytesLeft > 0) {
length = sendFileBytesLeft;
} else {
length = getScrollbackLen(); // getScrollbackLen();// USB_BYTES_AT_A_TIME;
}
reply->command = OPENIBOOTCMD_DUMPBUFFER_LEN;
reply->dataLen = length;
usb_send_interrupt(3, controlSendBuffer, sizeof(OpenIBootCmd));
//uartPrintf("got dumpbuffer cmd, returning length: %d\r\n", length);
} else if(cmd->command == OPENIBOOTCMD_DUMPBUFFER_GOAHEAD) {
left = cmd->dataLen;
//uartPrintf("got dumpbuffer goahead, writing length: %d\r\n", (int)left);
size_t toRead = (left > USB_BYTES_AT_A_TIME) ? USB_BYTES_AT_A_TIME: left;
if(sendFileBytesLeft > 0) {
usb_send_bulk(1, sendFilePtr, toRead);
sendFilePtr += toRead;
sendFileBytesLeft -= toRead;
if(sendFileBytesLeft == 0) {
bufferPrintf("file sent.\r\n");
}
} else {
bufferFlush((char*) dataSendBuffer, toRead);
usb_send_bulk(1, dataSendBuffer, toRead);
}
left -= toRead;
} else if(cmd->command == OPENIBOOTCMD_SENDCOMMAND) {
dataRecvPtr = dataRecvBuffer;
rxLeft = cmd->dataLen;
lastRxLen = rxLeft;
//uartPrintf("got sendcommand, receiving length: %d\r\n", (int)rxLeft);
reply->command = OPENIBOOTCMD_SENDCOMMAND_GOAHEAD;
reply->dataLen = cmd->dataLen;
usb_send_interrupt(3, controlSendBuffer, sizeof(OpenIBootCmd));
size_t toRead = (rxLeft > USB_BYTES_AT_A_TIME) ? USB_BYTES_AT_A_TIME: rxLeft;
usb_receive_bulk(2, dataRecvPtr, toRead);
rxLeft -= toRead;
dataRecvPtr += toRead;
}
usb_receive_interrupt(4, controlRecvBuffer, sizeof(OpenIBootCmd));
}
static void dataReceived(uint32_t token) {
//uartPrintf("receiving remainder: %d\r\n", (int)rxLeft);
if(rxLeft > 0) {
size_t toRead = (rxLeft > USB_BYTES_AT_A_TIME) ? USB_BYTES_AT_A_TIME: rxLeft;
usb_receive_bulk(2, dataRecvPtr, toRead);
rxLeft -= toRead;
dataRecvPtr += toRead;
} else {
*dataRecvPtr = '\0';
addToCommandQueue((char*)dataRecvBuffer);
}
}
static void acm_parse(int32_t _amt)
{
int start = 0;
int i = 0;
if(acm_file_ptr != NULL && acm_file_recv_left > 0)
{
if(_amt >= acm_file_recv_left)
{
memcpy(acm_file_ptr, acm_recv_buffer, acm_file_recv_left);
i = acm_file_recv_left;
start = i;
bufferPrintf("ACM: Received file (finished at 0x%08x)!\n", acm_file_ptr + acm_file_recv_left);
acm_file_ptr = NULL;
acm_file_recv_left = 0;
}
else
{
memcpy(acm_file_ptr, acm_recv_buffer, _amt);
acm_file_ptr += _amt;
acm_file_recv_left -= _amt;
//bufferPrintf("ACM: Got %d of file (%d remain).\n", _amt, acm_file_recv_left);
EnterCriticalSection(); // Deliberately unended.
usb_receive_bulk(ACM_EP_RECV, acm_recv_buffer, acm_usb_mps);
return;
}
}
for(; i < _amt; i++)
{
if(acm_recv_buffer[i] == '\n')
{
acm_recv_buffer[i] = 0;
if(i > 0)
if(acm_recv_buffer[i-1] == '\r')
acm_recv_buffer[i-1] = 0;
char safeCommand[ACM_BUFFER_SIZE];
char *command = &acm_recv_buffer[start];
strcpy(safeCommand, command);
int argc;
char** argv = command_parse(command, &argc);
if(argc >= 3 && strcmp(argv[0], "sendfile") == 0)
{
acm_file_ptr = (char*)parseNumber(argv[1]);
acm_file_recv_left = parseNumber(argv[2]);
received_file_size = acm_file_recv_left;
bufferPrintf("ACM: Started receiving file at 0x%08x - 0x%08x (%d bytes).\n", acm_file_ptr, acm_file_ptr + acm_file_recv_left, acm_file_recv_left);
i = _amt;
start = i;
}
else if(argc >= 3 && strcmp(argv[0], "recvfile") == 0)
{
acm_busy = TRUE;
acm_file_ptr = (char*)parseNumber(argv[1]);
acm_file_send_left = parseNumber(argv[2]);
bufferPrintf("ACM: Started sending file at 0x%08x - 0x%08x (%d bytes).\n", acm_file_ptr, acm_file_ptr + acm_file_send_left, acm_file_send_left);
int amt = sprintf(acm_send_buffer, "ACM: Starting File: %d %d\n", (uint32_t)acm_file_ptr, acm_file_send_left);
usb_send_bulk(ACM_EP_SEND, acm_send_buffer, amt+1);
i = _amt;
start = i;
}
else
{
bufferPrintf("ACM: Starting %s\n", safeCommand);
if(command_run(argc, argv) == 0)
bufferPrintf("ACM: Done: %s\n", safeCommand);
else
bufferPrintf("ACM: Unknown command: %s\n", command);
start = i+1;
}
free(argv);
}
}
EnterCriticalSection(); // Deliberately unended.
if(start < _amt)
{
if(acm_unprocessed > 0)
{
bufferPrintf("ACM: command too long, discarding...\n");
acm_unprocessed = 0;
usb_receive_bulk(ACM_EP_RECV, acm_recv_buffer, acm_usb_mps);
task_stop();
return;
}
else
memcpy(acm_recv_buffer, acm_recv_buffer+start, _amt-start);
}
acm_unprocessed = _amt-start;
usb_receive_bulk(ACM_EP_RECV, acm_recv_buffer+acm_unprocessed, acm_usb_mps);
task_stop();
}