andy/tinyUSB
1
0
Fork 0
Code Issues Pull Requests Actions 1 Packages Projects Releases Wiki Activity

Merge remote-tracking branch 'hathach/master' into cdc_without_dtr

Browse Source
This commit is contained in:
Jan Dümpelmann
2020-11-04 17:11:01 +01:00
parent b15c209805 075334af80
commit af9f0f1cd6
217 changed files with 8802 additions and 1435 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
src/class/cdc/cdc.h
View File

@@ -63,7 +63,7 @@ typedef enum
CDC_COMM_SUBCLASS_TELEPHONE_CONTROL_MODEL , ///< Telephone Control Model [USBPSTN1.2]
CDC_COMM_SUBCLASS_MULTICHANNEL_CONTROL_MODEL , ///< Multi-Channel Control Model [USBISDN1.2]
CDC_COMM_SUBCLASS_CAPI_CONTROL_MODEL , ///< CAPI Control Model [USBISDN1.2]
CDC_COMM_SUBCLASS_ETHERNET_NETWORKING_CONTROL_MODEL , ///< Ethernet Networking Control Model [USBECM1.2]
CDC_COMM_SUBCLASS_ETHERNET_CONTROL_MODEL , ///< Ethernet Networking Control Model [USBECM1.2]
CDC_COMM_SUBCLASS_ATM_NETWORKING_CONTROL_MODEL , ///< ATM Networking Control Model [USBATM1.2]
CDC_COMM_SUBCLASS_WIRELESS_HANDSET_CONTROL_MODEL , ///< Wireless Handset Control Model [USBWMC1.1]
CDC_COMM_SUBCLASS_DEVICE_MANAGEMENT , ///< Device Management [USBWMC1.1]

101
src/class/cdc/cdc_device.c
View File

@@ -34,6 +34,11 @@
//--------------------------------------------------------------------+
// MACRO CONSTANT TYPEDEF
//--------------------------------------------------------------------+
enum
{
BULK_PACKET_SIZE = (TUD_OPT_HIGH_SPEED ? 512 : 64)
};
typedef struct
{
uint8_t itf_num;
@@ -73,18 +78,29 @@ typedef struct
//--------------------------------------------------------------------+
CFG_TUSB_MEM_SECTION static cdcd_interface_t _cdcd_itf[CFG_TUD_CDC];
static void _prep_out_transaction (uint8_t itf)
static void _prep_out_transaction (cdcd_interface_t* p_cdc)
{
cdcd_interface_t* p_cdc = &_cdcd_itf[itf];
// skip if previous transfer not complete
if ( usbd_edpt_busy(TUD_OPT_RHPORT, p_cdc->ep_out) ) return;
uint8_t const rhport = TUD_OPT_RHPORT;
uint16_t available = tu_fifo_remaining(&p_cdc->rx_ff);
// Prepare for incoming data but only allow what we can store in the ring buffer.
uint16_t max_read = tu_fifo_remaining(&p_cdc->rx_ff);
if ( max_read >= sizeof(p_cdc->epout_buf) )
// TODO Actually we can still carry out the transfer, keeping count of received bytes
// and slowly move it to the FIFO when read().
// This pre-check reduces endpoint claiming
TU_VERIFY(available >= sizeof(p_cdc->epout_buf), );
// claim endpoint
TU_VERIFY(usbd_edpt_claim(rhport, p_cdc->ep_out), );
// fifo can be changed before endpoint is claimed
available = tu_fifo_remaining(&p_cdc->rx_ff);
if ( available >= sizeof(p_cdc->epout_buf) ) {
usbd_edpt_xfer(rhport, p_cdc->ep_out, p_cdc->epout_buf, sizeof(p_cdc->epout_buf));
}else
{
usbd_edpt_xfer(TUD_OPT_RHPORT, p_cdc->ep_out, p_cdc->epout_buf, sizeof(p_cdc->epout_buf));
// Release endpoint since we don't make any transfer
usbd_edpt_release(rhport, p_cdc->ep_out);
}
}
@@ -123,8 +139,9 @@ uint32_t tud_cdc_n_available(uint8_t itf)
uint32_t tud_cdc_n_read(uint8_t itf, void* buffer, uint32_t bufsize)
{
uint32_t num_read = tu_fifo_read_n(&_cdcd_itf[itf].rx_ff, buffer, bufsize);
_prep_out_transaction(itf);
cdcd_interface_t* p_cdc = &_cdcd_itf[itf];
uint32_t num_read = tu_fifo_read_n(&p_cdc->rx_ff, buffer, bufsize);
_prep_out_transaction(p_cdc);
return num_read;
}
@@ -135,8 +152,9 @@ bool tud_cdc_n_peek(uint8_t itf, int pos, uint8_t* chr)
void tud_cdc_n_read_flush (uint8_t itf)
{
tu_fifo_clear(&_cdcd_itf[itf].rx_ff);
_prep_out_transaction(itf);
cdcd_interface_t* p_cdc = &_cdcd_itf[itf];
tu_fifo_clear(&p_cdc->rx_ff);
_prep_out_transaction(p_cdc);
}
//--------------------------------------------------------------------+
@@ -144,15 +162,14 @@ void tud_cdc_n_read_flush (uint8_t itf)
//--------------------------------------------------------------------+
uint32_t tud_cdc_n_write(uint8_t itf, void const* buffer, uint32_t bufsize)
{
uint16_t ret = tu_fifo_write_n(&_cdcd_itf[itf].tx_ff, buffer, bufsize);
cdcd_interface_t* p_cdc = &_cdcd_itf[itf];
uint16_t ret = tu_fifo_write_n(&p_cdc->tx_ff, buffer, bufsize);
#if 0 // TODO issue with circuitpython's REPL
// flush if queue more than endpoint size
if ( tu_fifo_count(&_cdcd_itf[itf].tx_ff) >= CFG_TUD_CDC_EP_BUFSIZE )
// flush if queue more than packet size
if ( tu_fifo_count(&p_cdc->tx_ff) >= BULK_PACKET_SIZE )
{
tud_cdc_n_write_flush(itf);
}
#endif
return ret;
}
@@ -161,13 +178,28 @@ uint32_t tud_cdc_n_write_flush (uint8_t itf)
{
cdcd_interface_t* p_cdc = &_cdcd_itf[itf];
// skip if previous transfer not complete yet
TU_VERIFY( !usbd_edpt_busy(TUD_OPT_RHPORT, p_cdc->ep_in), 0 );
// No data to send
if ( !tu_fifo_count(&p_cdc->tx_ff) ) return 0;
uint16_t count = tu_fifo_read_n(&p_cdc->tx_ff, p_cdc->epin_buf, sizeof(p_cdc->epin_buf));
if ( count ) TU_ASSERT( usbd_edpt_xfer(TUD_OPT_RHPORT, p_cdc->ep_in, p_cdc->epin_buf, count), 0 );
uint8_t const rhport = TUD_OPT_RHPORT;
return count;
// Claim the endpoint
TU_VERIFY( usbd_edpt_claim(rhport, p_cdc->ep_in), 0 );
// Pull data from FIFO
uint16_t const count = tu_fifo_read_n(&p_cdc->tx_ff, p_cdc->epin_buf, sizeof(p_cdc->epin_buf));
if ( count )
{
TU_ASSERT( usbd_edpt_xfer(rhport, p_cdc->ep_in, p_cdc->epin_buf, count), 0 );
return count;
}else
{
// Release endpoint since we don't make any transfer
// Note: data is dropped if terminal is not connected
usbd_edpt_release(rhport, p_cdc->ep_in);
return 0;
}
}
uint32_t tud_cdc_n_write_available (uint8_t itf)
@@ -190,7 +222,7 @@ void cdcd_init(void)
p_cdc->wanted_char = -1;
// default line coding is : stop bit = 1, parity = none, data bits = 8
p_cdc->line_coding.bit_rate = 115200;
p_cdc->line_coding.bit_rate = 115200;
p_cdc->line_coding.stop_bits = 0;
p_cdc->line_coding.parity = 0;
p_cdc->line_coding.data_bits = 8;
@@ -221,16 +253,15 @@ void cdcd_reset(uint8_t rhport)
uint16_t cdcd_open(uint8_t rhport, tusb_desc_interface_t const * itf_desc, uint16_t max_len)
{
// Only support ACM subclass
TU_VERIFY ( TUSB_CLASS_CDC == itf_desc->bInterfaceClass &&
CDC_COMM_SUBCLASS_ABSTRACT_CONTROL_MODEL == itf_desc->bInterfaceSubClass, 0);
TU_VERIFY( TUSB_CLASS_CDC == itf_desc->bInterfaceClass &&
CDC_COMM_SUBCLASS_ABSTRACT_CONTROL_MODEL == itf_desc->bInterfaceSubClass, 0);
// Note: 0xFF can be used with RNDIS
TU_VERIFY(tu_within(CDC_COMM_PROTOCOL_NONE, itf_desc->bInterfaceProtocol, CDC_COMM_PROTOCOL_ATCOMMAND_CDMA), 0);
// Find available interface
cdcd_interface_t * p_cdc = NULL;
uint8_t cdc_id;
for(cdc_id=0; cdc_id<CFG_TUD_CDC; cdc_id++)
for(uint8_t cdc_id=0; cdc_id<CFG_TUD_CDC; cdc_id++)
{
if ( _cdcd_itf[cdc_id].ep_in == 0 )
{
@@ -279,7 +310,7 @@ uint16_t cdcd_open(uint8_t rhport, tusb_desc_interface_t const * itf_desc, uint1
}
// Prepare for incoming data
_prep_out_transaction(cdc_id);
_prep_out_transaction(p_cdc);
return drv_len;
}
@@ -417,7 +448,7 @@ bool cdcd_xfer_cb(uint8_t rhport, uint8_t ep_addr, xfer_result_t result, uint32_
if (tud_cdc_rx_cb && tu_fifo_count(&p_cdc->rx_ff) ) tud_cdc_rx_cb(itf);
// prepare for OUT transaction
_prep_out_transaction(itf);
_prep_out_transaction(p_cdc);
}
// Data sent to host, we continue to fetch from tx fifo to send.
@@ -430,12 +461,14 @@ bool cdcd_xfer_cb(uint8_t rhport, uint8_t ep_addr, xfer_result_t result, uint32_
if ( 0 == tud_cdc_n_write_flush(itf) )
{
// There is no data left, a ZLP should be sent if
// xferred_bytes is multiple of EP size and not zero
// FIXME CFG_TUD_CDC_EP_BUFSIZE is not Endpoint packet size
if ( xferred_bytes && (0 == (xferred_bytes % CFG_TUD_CDC_EP_BUFSIZE)) )
// If there is no data left, a ZLP should be sent if
// xferred_bytes is multiple of EP Packet size and not zero
if ( !tu_fifo_count(&p_cdc->tx_ff) && xferred_bytes && (0 == (xferred_bytes & (BULK_PACKET_SIZE-1))) )
{
usbd_edpt_xfer(rhport, p_cdc->ep_in, NULL, 0);
if ( usbd_edpt_claim(rhport, p_cdc->ep_in) )
{
usbd_edpt_xfer(rhport, p_cdc->ep_in, NULL, 0);
}
}
}
}

2
src/class/cdc/cdc_device.h
View File

@@ -96,7 +96,7 @@ uint32_t tud_cdc_n_write (uint8_t itf, void const* buffer, uint32_t bu
static inline
uint32_t tud_cdc_n_write_char (uint8_t itf, char ch);
// Write a nul-terminated string
// Write a null-terminated string
static inline
uint32_t tud_cdc_n_write_str (uint8_t itf, char const* str);

5
src/class/cdc/cdc_host.c
View File

@@ -86,7 +86,6 @@ bool tuh_cdc_serial_is_mounted(uint8_t dev_addr)
{
// TODO consider all AT Command as serial candidate
return tuh_cdc_mounted(dev_addr) &&
(CDC_COMM_PROTOCOL_NONE <= cdch_data[dev_addr-1].itf_protocol) &&
(cdch_data[dev_addr-1].itf_protocol <= CDC_COMM_PROTOCOL_ATCOMMAND_CDMA);
}
@@ -159,7 +158,7 @@ bool cdch_open(uint8_t rhport, uint8_t dev_addr, tusb_desc_interface_t const *it
// notification endpoint
tusb_desc_endpoint_t const * ep_desc = (tusb_desc_endpoint_t const *) p_desc;
TU_ASSERT( hcd_edpt_open(rhport, dev_addr, ep_desc) );
TU_ASSERT( usbh_edpt_open(rhport, dev_addr, ep_desc) );
p_cdc->ep_notif = ep_desc->bEndpointAddress;
(*p_length) += p_desc[DESC_OFFSET_LEN];
@@ -180,7 +179,7 @@ bool cdch_open(uint8_t rhport, uint8_t dev_addr, tusb_desc_interface_t const *it
TU_ASSERT(TUSB_DESC_ENDPOINT == ep_desc->bDescriptorType);
TU_ASSERT(TUSB_XFER_BULK == ep_desc->bmAttributes.xfer);
TU_ASSERT(hcd_edpt_open(rhport, dev_addr, ep_desc));
TU_ASSERT(usbh_edpt_open(rhport, dev_addr, ep_desc));
if ( tu_edpt_dir(ep_desc->bEndpointAddress) == TUSB_DIR_IN )
{