diff options
Diffstat (limited to 'src/class/cdc/cdc_device.h')
| -rw-r--r-- | src/class/cdc/cdc_device.h | 82 |
1 files changed, 49 insertions, 33 deletions
diff --git a/src/class/cdc/cdc_device.h b/src/class/cdc/cdc_device.h index 0809b578f..9ac6bc58a 100644 --- a/src/class/cdc/cdc_device.h +++ b/src/class/cdc/cdc_device.h @@ -29,6 +29,10 @@ #include "cdc.h" +#ifdef __cplusplus + extern "C" { +#endif + //--------------------------------------------------------------------+ // Class Driver Configuration //--------------------------------------------------------------------+ @@ -37,60 +41,73 @@ #endif #ifndef CFG_TUD_CDC_TX_BUFSIZE - #define CFG_TUD_CDC_TX_BUFSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) + #define CFG_TUD_CDC_TX_BUFSIZE TUD_EPSIZE_BULK_MAX #endif #ifndef CFG_TUD_CDC_RX_BUFSIZE - #define CFG_TUD_CDC_RX_BUFSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) + #define CFG_TUD_CDC_RX_BUFSIZE TUD_EPSIZE_BULK_MAX #endif -#if !defined(CFG_TUD_CDC_EP_BUFSIZE) && defined(CFG_TUD_CDC_EPSIZE) - #warning CFG_TUD_CDC_EPSIZE is renamed to CFG_TUD_CDC_EP_BUFSIZE, please update to use the new name - #define CFG_TUD_CDC_EP_BUFSIZE CFG_TUD_CDC_EPSIZE +// EP_BUFSIZE is separated to RX_EPSIZE and TX_EPSIZE +#ifndef CFG_TUD_CDC_RX_EPSIZE + #ifdef CFG_TUD_CDC_EP_BUFSIZE + #define CFG_TUD_CDC_RX_EPSIZE CFG_TUD_CDC_EP_BUFSIZE + #else + #define CFG_TUD_CDC_RX_EPSIZE TUD_EPSIZE_BULK_MAX + #endif #endif -#ifndef CFG_TUD_CDC_EP_BUFSIZE - #define CFG_TUD_CDC_EP_BUFSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) +#ifndef CFG_TUD_CDC_TX_EPSIZE + #ifdef CFG_TUD_CDC_EP_BUFSIZE + #define CFG_TUD_CDC_TX_EPSIZE CFG_TUD_CDC_EP_BUFSIZE + #else + #define CFG_TUD_CDC_TX_EPSIZE TUD_EPSIZE_BULK_MAX + #endif #endif -#ifdef __cplusplus - extern "C" { +// Enable multi-packet RX transfer with ZLP termination for better throughput. Requires host support for ZLP. +#ifndef CFG_TUD_CDC_RX_NEED_ZLP + #define CFG_TUD_CDC_RX_NEED_ZLP 0 #endif -//--------------------------------------------------------------------+ -// Driver Configuration -//--------------------------------------------------------------------+ -typedef struct TU_ATTR_PACKED { - bool rx_persistent : 1; // keep rx fifo data even with bus reset or disconnect - bool tx_persistent : 1; // keep tx fifo data even with reset or disconnect - bool tx_overwritabe_if_not_connected : 1; // if not connected, tx fifo can be overwritten -} tud_cdc_configure_t; -TU_VERIFY_STATIC(sizeof(tud_cdc_configure_t) == 1, "size is not correct"); +// Keep rx fifo data even with bus reset or disconnect +#ifndef CFG_TUD_CDC_RX_PERSISTENT + #define CFG_TUD_CDC_RX_PERSISTENT 0 +#endif -#define TUD_CDC_CONFIGURE_DEFAULT() { \ - .rx_persistent = false, \ - .tx_persistent = false, \ - .tx_overwritabe_if_not_connected = true, \ -} +// Keep tx fifo data even with bus reset or disconnect +#ifndef CFG_TUD_CDC_TX_PERSISTENT + #define CFG_TUD_CDC_TX_PERSISTENT 0 +#endif -// Configure CDC driver behavior -bool tud_cdc_configure(const tud_cdc_configure_t* driver_cfg); +// If not connected, tx fifo can be overwritten +#ifndef CFG_TUD_CDC_TX_OVERWRITABLE_IF_NOT_CONNECTED + #define CFG_TUD_CDC_TX_OVERWRITABLE_IF_NOT_CONNECTED 1 +#endif + +// Backward compatible: tud_cdc_configure_t and tud_cdc_configure() are no longer used. +// Configuration is now done via compile-time macros above. +typedef struct { + bool rx_persistent; + bool tx_persistent; + bool tx_overwritabe_if_not_connected; +} tud_cdc_configure_t; -// Backward compatible -#define tud_cdc_configure_fifo_t tud_cdc_configure_t -#define tud_cdc_configure_fifo tud_cdc_configure +#define tud_cdc_configure(_cfg) ((void)(_cfg)) +#define tud_cdc_configure_fifo_t tud_cdc_configure_t +#define tud_cdc_configure_fifo(_cfg) ((void)(_cfg)) //--------------------------------------------------------------------+ // Application API (Multiple Ports) i.e. CFG_TUD_CDC > 1 //--------------------------------------------------------------------+ -// Check if interface is ready +// Check if the interface is ready bool tud_cdc_n_ready(uint8_t itf); -// Check if terminal is connected to this port +// Check if the terminal is connected to this port bool tud_cdc_n_connected(uint8_t itf); -// Get current line state. Bit 0: DTR (Data Terminal Ready), Bit 1: RTS (Request to Send) +// Get the current line state. Bit 0: DTR (Data Terminal Ready), Bit 1: RTS (Request to Send) uint8_t tud_cdc_n_get_line_state(uint8_t itf); // Get current line encoding: bit rate, stop bits parity etc .. @@ -136,10 +153,9 @@ uint32_t tud_cdc_n_write_flush(uint8_t itf); // Return the number of bytes (characters) available for writing to TX FIFO buffer in a single n_write operation. uint32_t tud_cdc_n_write_available(uint8_t itf); -// Clear the transmit FIFO +// Clear the TX FIFO bool tud_cdc_n_write_clear(uint8_t itf); - #if CFG_TUD_CDC_NOTIFY bool tud_cdc_n_notify_msg(uint8_t itf, cdc_notify_msg_t *msg); |