74 lines
2.0 KiB
C
74 lines
2.0 KiB
C
#ifndef CORE_USB_CLASS_CDC
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#define CORE_USB_CLASS_CDC
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#include "../usb_callback_event.h"
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// CDC request codes
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typedef enum {
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USB_CDC_SET_COMM_FEATURE = 0x2,
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USB_CDC_GET_COMM_FEATURE = 0x3,
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USB_CDC_CLEAR_COMM_FEATURE = 0x4,
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USB_CDC_SET_AUX_LINE_STATE = 0x10,
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USB_CDC_SET_HOOK_STATE = 0x11,
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USB_CDC_PULSE_SETUP = 0x12,
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USB_CDC_SEND_PULSE = 0x13,
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USB_CDC_SET_PULSE_TIME = 0x14,
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USB_CDC_RING_AUX_JACK = 0x15,
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USB_CDC_SET_LINE_CODING = 0x20,
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USB_CDC_GET_LINE_CODING = 0x21,
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USB_CDC_SET_CONTROL_LINE_STATE = 0x22,
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USB_CDC_SEND_BREAK = 0x23,
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USB_CDC_SET_RINGER_PARMS = 0x30,
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USB_CDC_GET_RINGER_PARMS = 0x31,
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USB_CDC_SET_OPERATION_PARMS = 0x32,
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USB_CDC_GET_OPERATION_PARMS = 0x33,
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USB_CDC_SET_LINE_PARMS = 0x34,
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} USB_Cdc_RequestCodes;
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// CDC line coding structure
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typedef struct {
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uint32_t dwDTERate; // data terminal rate, bits per second
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uint8_t bCharFormat; // character format
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uint8_t bParityType; // parity type
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uint8_t bDataBits; // data bits
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} USB_Cdc_LineCodingStruct;
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// CDC control line state struct
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typedef struct {
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uint16_t D; // settings word
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} USB_Cdc_ControlLineStateStruct;
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// ----------------
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// endpoint assignments
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typedef struct {
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uint8_t control_ep : 4; // control endpoint
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uint8_t data_ep : 4; // data endpoint
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} USB_CdcAssignments;
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typedef struct {
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USB_CdcAssignments ep_assignments; // endpoint assignments
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USB_Cdc_LineCodingStruct line_coding; // line coding
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USB_Cdc_ControlLineStateStruct control_line_state; // control line state
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bool initialized; // CDC is initialized
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} USB_CdcState;
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// ----------------
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#define USB_CDC_DEFAULT_BITRATE (115200)
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#define USB_CDC_DEFAULT_DATA_BITS (8)
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#define USB_CDC_DEFAULT_PARITY_TYPE (0)
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#define USB_CDC_DEFAULT_CHAR_FORMAT (0)
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// ----------------
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#define USB_CDC_PCKT_BUFSIZE (300)
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// ----------------
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void usb_cdc_init(const USB_CdcAssignments * as);
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int usb_cdc_process_and_return(USB_CallbackEvent * cbevt);
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void usb_cdc_write(const uint8_t * data, uint32_t size);
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#endif /* CORE_USB_CLASS_CDC */
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