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changing cdc device to support multiple interface (not yet)

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This commit is contained in:
hathach 2018-07-12 23:08:54 +07:00
parent 44c494106f
commit a4292e5906
3 changed files with 50 additions and 56 deletions
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62
src/class/cdc/cdc_device.c
View File

@ -51,9 +51,9 @@
//--------------------------------------------------------------------+
// MACRO CONSTANT TYPEDEF
//--------------------------------------------------------------------+
CFG_TUSB_ATTR_USBRAM STATIC_VAR cdc_line_coding_t cdcd_line_coding[CONTROLLER_DEVICE_NUMBER];
typedef struct {
CFG_TUSB_MEM_ALIGN cdc_line_coding_t line_coding;
uint8_t itf_num;
uint8_t ep_notif;
uint8_t ep_in;
@ -65,55 +65,53 @@ typedef struct {
uint8_t line_state;
}cdcd_interface_t;
// TODO multiple rhport
CFG_TUSB_ATTR_USBRAM CFG_TUSB_MEM_ALIGN uint8_t _tmp_rx_buf[64];
CFG_TUSB_ATTR_USBRAM CFG_TUSB_MEM_ALIGN uint8_t _tmp_tx_buf[64];
//--------------------------------------------------------------------+
// INTERNAL OBJECT & FUNCTION DECLARATION
//--------------------------------------------------------------------+
CFG_TUSB_ATTR_USBRAM CFG_TUSB_MEM_ALIGN static uint8_t _tmp_rx_buf[64];
CFG_TUSB_ATTR_USBRAM CFG_TUSB_MEM_ALIGN static uint8_t _tmp_tx_buf[64];
TU_FIFO_DEF(_rx_ff, CFG_TUD_CDC_RX_BUFSIZE, uint8_t, true);
TU_FIFO_DEF(_tx_ff, CFG_TUD_CDC_TX_BUFSIZE, uint8_t, false);
//--------------------------------------------------------------------+
// INTERNAL OBJECT & FUNCTION DECLARATION
//--------------------------------------------------------------------+
STATIC_VAR cdcd_interface_t _cdcd_itf[CONTROLLER_DEVICE_NUMBER];
CFG_TUSB_ATTR_USBRAM
static cdcd_interface_t _cdcd_itf[CFG_TUD_CDC];
//--------------------------------------------------------------------+
// APPLICATION API
//--------------------------------------------------------------------+
bool tud_n_cdc_connected(uint8_t rhport)
bool tud_cdc_n_connected(uint8_t rhport)
{
// DTR (bit 0) active isconsidered as connected
return BIT_TEST_(_cdcd_itf[rhport].line_state, 0);
}
uint8_t tud_n_cdc_get_line_state (uint8_t rhport)
uint8_t tud_cdc_n_get_line_state (uint8_t rhport)
{
return _cdcd_itf[rhport].line_state;
}
void tud_n_cdc_get_line_coding (uint8_t rhport, cdc_line_coding_t* coding)
void tud_cdc_n_get_line_coding (uint8_t rhport, cdc_line_coding_t* coding)
{
(*coding) = cdcd_line_coding[rhport];
(*coding) = _cdcd_itf[0].line_coding;
}
//--------------------------------------------------------------------+
// READ API
//--------------------------------------------------------------------+
uint32_t tud_n_cdc_available(uint8_t rhport)
uint32_t tud_cdc_n_available(uint8_t rhport)
{
return tu_fifo_count(&_rx_ff);
}
int8_t tud_n_cdc_read_char(uint8_t rhport)
int8_t tud_cdc_n_read_char(uint8_t rhport)
{
int8_t ch;
return tu_fifo_read(&_rx_ff, &ch) ? ch : (-1);
}
uint32_t tud_n_cdc_read(uint8_t rhport, void* buffer, uint32_t bufsize)
uint32_t tud_cdc_n_read(uint8_t rhport, void* buffer, uint32_t bufsize)
{
return tu_fifo_read_n(&_rx_ff, buffer, bufsize);
}
@ -122,24 +120,24 @@ uint32_t tud_n_cdc_read(uint8_t rhport, void* buffer, uint32_t bufsize)
// WRITE API
//--------------------------------------------------------------------+
uint32_t tud_n_cdc_write_char(uint8_t rhport, char ch)
uint32_t tud_cdc_n_write_char(uint8_t rhport, char ch)
{
return tu_fifo_write(&_tx_ff, &ch) ? 1 : 0;
}
uint32_t tud_n_cdc_write(uint8_t rhport, void const* buffer, uint32_t bufsize)
uint32_t tud_cdc_n_write(uint8_t rhport, void const* buffer, uint32_t bufsize)
{
return tu_fifo_write_n(&_tx_ff, buffer, bufsize);
}
bool tud_n_cdc_flush (uint8_t rhport)
bool tud_cdc_n_flush (uint8_t rhport)
{
uint8_t edpt = _cdcd_itf[rhport].ep_in;
VERIFY( !dcd_edpt_busy(rhport, edpt) ); // skip if previous transfer not complete
uint16_t count = tu_fifo_read_n(&_tx_ff, _tmp_tx_buf, sizeof(_tmp_tx_buf));
VERIFY( tud_n_cdc_connected(rhport) ); // fifo is empty if not connected
VERIFY( tud_cdc_n_connected(rhport) ); // fifo is empty if not connected
if ( count ) TU_ASSERT( dcd_edpt_xfer(rhport, edpt, _tmp_tx_buf, count) );
@ -152,16 +150,15 @@ bool tud_n_cdc_flush (uint8_t rhport)
//--------------------------------------------------------------------+
void cdcd_init(void)
{
memclr_(_cdcd_itf, sizeof(cdcd_interface_t)*CONTROLLER_DEVICE_NUMBER);
arrclr_(_cdcd_itf);
// default line coding is : stop bit = 1, parity = none, data bits = 8
memclr_(cdcd_line_coding, sizeof(cdc_line_coding_t)*CONTROLLER_DEVICE_NUMBER);
for(uint8_t i=0; i<CONTROLLER_DEVICE_NUMBER; i++)
for(uint8_t i=0; i<CFG_TUD_CDC; i++)
{
cdcd_line_coding[i].bit_rate = 115200;
cdcd_line_coding[i].stop_bits = 0;
cdcd_line_coding[i].parity = 0;
cdcd_line_coding[i].data_bits = 8;
_cdcd_itf[i].line_coding.bit_rate = 115200;
_cdcd_itf[i].line_coding.stop_bits = 0;
_cdcd_itf[i].line_coding.parity = 0;
_cdcd_itf[i].line_coding.data_bits = 8;
}
}
@ -241,15 +238,16 @@ tusb_error_t cdcd_control_request_st(uint8_t rhport, tusb_control_request_t cons
//------------- Class Specific Request -------------//
if (p_request->bmRequestType_bit.type != TUSB_REQ_TYPE_CLASS) return TUSB_ERROR_DCD_CONTROL_REQUEST_NOT_SUPPORT;
// TODO Support multiple interface
if ( (CDC_REQUEST_GET_LINE_CODING == p_request->bRequest) || (CDC_REQUEST_SET_LINE_CODING == p_request->bRequest) )
{
uint16_t len = min16_of(sizeof(cdc_line_coding_t), p_request->wLength);
usbd_control_xfer_st(rhport, p_request->bmRequestType_bit.direction, (uint8_t*) &cdcd_line_coding[rhport], len);
usbd_control_xfer_st(rhport, p_request->bmRequestType_bit.direction, (uint8_t*) &_cdcd_itf[0].line_coding, len);
// Invoke callback
if (CDC_REQUEST_SET_LINE_CODING == p_request->bRequest)
{
if ( tud_cdc_line_coding_cb ) tud_cdc_line_coding_cb(rhport, &cdcd_line_coding[rhport]);
if ( tud_cdc_line_coding_cb ) tud_cdc_line_coding_cb(rhport, &_cdcd_itf[0].line_coding);
}
}
else if (CDC_REQUEST_SET_CONTROL_LINE_STATE == p_request->bRequest )
@ -297,7 +295,7 @@ tusb_error_t cdcd_xfer_cb(uint8_t rhport, uint8_t ep_addr, tusb_event_t event, u
#if CFG_TUD_CDC_FLUSH_ON_SOF
void cdcd_sof(uint8_t rhport)
{
tud_n_cdc_flush(rhport);
tud_cdc_n_flush(rhport);
}
#endif

41
src/class/cdc/cdc_device.h
View File

@ -53,36 +53,35 @@
* @{ */
//--------------------------------------------------------------------+
// APPLICATION API (Multiple Root Ports)
// Should be used only with MCU that support more than 1 ports
// APPLICATION API (Multiple Interfaces)
// CFG_TUD_CDC > 1
//--------------------------------------------------------------------+
bool tud_n_cdc_connected (uint8_t rhport);
uint8_t tud_n_cdc_get_line_state (uint8_t rhport);
void tud_n_cdc_get_line_coding (uint8_t rhport, cdc_line_coding_t* coding);
bool tud_cdc_n_connected (uint8_t rhport);
uint8_t tud_cdc_n_get_line_state (uint8_t rhport);
void tud_cdc_n_get_line_coding (uint8_t rhport, cdc_line_coding_t* coding);
uint32_t tud_n_cdc_available (uint8_t rhport);
int8_t tud_n_cdc_read_char (uint8_t rhport);
uint32_t tud_n_cdc_read (uint8_t rhport, void* buffer, uint32_t bufsize);
uint32_t tud_cdc_n_available (uint8_t rhport);
int8_t tud_cdc_n_read_char (uint8_t rhport);
uint32_t tud_cdc_n_read (uint8_t rhport, void* buffer, uint32_t bufsize);
uint32_t tud_n_cdc_write_char (uint8_t rhport, char ch);
uint32_t tud_n_cdc_write (uint8_t rhport, void const* buffer, uint32_t bufsize);
bool tud_n_cdc_flush (uint8_t rhport);
uint32_t tud_cdc_n_write_char (uint8_t rhport, char ch);
uint32_t tud_cdc_n_write (uint8_t rhport, void const* buffer, uint32_t bufsize);
bool tud_cdc_n_flush (uint8_t rhport);
//--------------------------------------------------------------------+
// APPLICATION API (Single Port)
// Should be used with MCU supporting only 1 USB port for code simplicity
// APPLICATION API (Interface0)
//--------------------------------------------------------------------+
static inline bool tud_cdc_connected (void) { return tud_n_cdc_connected(0); }
static inline uint8_t tud_cdc_get_line_state (uint8_t rhport) { return tud_n_cdc_get_line_state(0); }
static inline bool tud_cdc_connected (void) { return tud_cdc_n_connected(0); }
static inline uint8_t tud_cdc_get_line_state (uint8_t rhport) { return tud_cdc_n_get_line_state(0); }
static inline void tud_cdc_get_line_coding (uint8_t rhport, cdc_line_coding_t* coding) { return tud_cdc_get_line_coding(0, coding); }
static inline uint32_t tud_cdc_available (void) { return tud_n_cdc_available(0); }
static inline int8_t tud_cdc_read_char (void) { return tud_n_cdc_read_char(0); }
static inline uint32_t tud_cdc_read (void* buffer, uint32_t bufsize) { return tud_n_cdc_read(0, buffer, bufsize); }
static inline uint32_t tud_cdc_available (void) { return tud_cdc_n_available(0); }
static inline int8_t tud_cdc_read_char (void) { return tud_cdc_n_read_char(0); }
static inline uint32_t tud_cdc_read (void* buffer, uint32_t bufsize) { return tud_cdc_n_read(0, buffer, bufsize); }
static inline uint32_t tud_cdc_write_char (char ch) { return tud_n_cdc_write_char(0, ch); }
static inline uint32_t tud_cdc_write (void const* buffer, uint32_t bufsize) { return tud_n_cdc_write(0, buffer, bufsize); }
static inline bool tud_cdc_flush (void) { return tud_n_cdc_flush(0); }
static inline uint32_t tud_cdc_write_char (char ch) { return tud_cdc_n_write_char(0, ch); }
static inline uint32_t tud_cdc_write (void const* buffer, uint32_t bufsize) { return tud_cdc_n_write(0, buffer, bufsize); }
static inline bool tud_cdc_flush (void) { return tud_cdc_n_flush(0); }
//--------------------------------------------------------------------+
// APPLICATION CALLBACK API (WEAK is optional)

3
src/device/usbd.c
View File

@ -516,9 +516,6 @@ static uint16_t get_descriptor(uint8_t rhport, tusb_control_request_t const * co
return len;
}
//--------------------------------------------------------------------+
// USBD-CLASS API
//--------------------------------------------------------------------+
//--------------------------------------------------------------------+
// USBD-DCD Callback API