diff options
Diffstat (limited to 'src/class/cdc/cdc_device.h')
| -rw-r--r-- | src/class/cdc/cdc_device.h | 117 |
1 files changed, 84 insertions, 33 deletions
diff --git a/src/class/cdc/cdc_device.h b/src/class/cdc/cdc_device.h index 9673b9807..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 //--------------------------------------------------------------------+ @@ -36,52 +40,74 @@ #define CFG_TUD_CDC_NOTIFY 0 #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 +#ifndef CFG_TUD_CDC_TX_BUFSIZE + #define CFG_TUD_CDC_TX_BUFSIZE TUD_EPSIZE_BULK_MAX #endif -#ifndef CFG_TUD_CDC_EP_BUFSIZE - #define CFG_TUD_CDC_EP_BUFSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) +#ifndef CFG_TUD_CDC_RX_BUFSIZE + #define CFG_TUD_CDC_RX_BUFSIZE TUD_EPSIZE_BULK_MAX #endif -#ifdef __cplusplus - extern "C" { +// 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 -//--------------------------------------------------------------------+ -// Driver Configuration -//--------------------------------------------------------------------+ -typedef struct TU_ATTR_PACKED { - uint8_t rx_persistent : 1; // keep rx fifo data even with bus reset or disconnect - uint8_t tx_persistent : 1; // keep tx fifo data even with reset or disconnect - uint8_t tx_overwritabe_if_not_connected : 1; // if not connected, tx fifo can be overwritten -} tud_cdc_configure_t; +#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 -#define TUD_CDC_CONFIGURE_DEFAULT() { \ - .rx_persistent = 0, \ - .tx_persistent = 0, \ - .tx_overwritabe_if_not_connected = 1, \ -} +// 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 -// Configure CDC driver behavior -bool tud_cdc_configure(const tud_cdc_configure_t* driver_cfg); +// Keep rx fifo data even with bus reset or disconnect +#ifndef CFG_TUD_CDC_RX_PERSISTENT + #define CFG_TUD_CDC_RX_PERSISTENT 0 +#endif -// Backward compatible -#define tud_cdc_configure_fifo_t tud_cdc_configure_t -#define tud_cdc_configure_fifo tud_cdc_configure +// Keep tx fifo data even with bus reset or disconnect +#ifndef CFG_TUD_CDC_TX_PERSISTENT + #define CFG_TUD_CDC_TX_PERSISTENT 0 +#endif + +// 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; + +#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 .. @@ -127,16 +153,41 @@ 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); + // Send UART status notification: DCD, DSR etc .. -bool tud_cdc_n_notify_uart_state(uint8_t itf, const cdc_notify_uart_state_t *state); +TU_ATTR_ALWAYS_INLINE static inline bool tud_cdc_n_notify_uart_state(uint8_t itf, + const cdc_notify_uart_state_t *state) { + cdc_notify_msg_t notify_msg; + notify_msg.request.bmRequestType = CDC_REQ_TYPE_NOTIF; + notify_msg.request.bRequest = CDC_NOTIF_SERIAL_STATE; + notify_msg.request.wValue = 0; + notify_msg.request.wIndex = 0; // filled later + notify_msg.request.wLength = sizeof(cdc_notify_uart_state_t); + notify_msg.serial_state = *state; + return tud_cdc_n_notify_msg(itf, ¬ify_msg); +} // Send connection speed change notification -bool tud_cdc_n_notify_conn_speed_change(uint8_t itf, const cdc_notify_conn_speed_change_t* conn_speed_change); +TU_ATTR_ALWAYS_INLINE static inline bool +tud_cdc_n_notify_conn_speed_change(uint8_t itf, const cdc_notify_conn_speed_change_t *conn_speed_change) { + cdc_notify_msg_t notify_msg; + notify_msg.request.bmRequestType = CDC_REQ_TYPE_NOTIF; + notify_msg.request.bRequest = CDC_NOTIF_CONNECTION_SPEED_CHANGE; + notify_msg.request.wValue = 0; + notify_msg.request.wIndex = 0; // filled later + notify_msg.request.wLength = sizeof(cdc_notify_conn_speed_change_t); + notify_msg.conn_speed_change = *conn_speed_change; + return tud_cdc_n_notify_msg(itf, ¬ify_msg); +} + +TU_ATTR_ALWAYS_INLINE static inline bool tud_cdc_notify_msg(cdc_notify_msg_t *msg) { + return tud_cdc_n_notify_msg(0, msg); +} TU_ATTR_ALWAYS_INLINE static inline bool tud_cdc_notify_uart_state(const cdc_notify_uart_state_t* state) { return tud_cdc_n_notify_uart_state(0, state); @@ -257,4 +308,4 @@ bool cdcd_xfer_cb (uint8_t rhport, uint8_t ep_addr, xfer_result_t re } #endif -#endif /* _TUSB_CDC_DEVICE_H_ */ +#endif /* TUSB_CDC_DEVICE_H_ */ |