mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-11-18 13:38:12 +00:00
88 lines
3.0 KiB
C
88 lines
3.0 KiB
C
typedef struct __attribute__((packed)) {
|
|
uint8_t bFunctionLength;
|
|
uint8_t bDescriptorType;
|
|
uint8_t bDescriptorSubtype;
|
|
uint16_t bcdCDC;
|
|
} usb_vcp_header_descriptor_t;
|
|
|
|
typedef struct __attribute__((packed)) {
|
|
uint8_t bFunctionLength;
|
|
uint8_t bDescriptorType;
|
|
uint8_t bDescriptorSubtype;
|
|
uint8_t bmCapabilities;
|
|
uint8_t bDataInterface;
|
|
} usb_vcp_cm_descriptor_t;
|
|
|
|
typedef struct __attribute__((packed)) {
|
|
uint8_t bFunctionLength;
|
|
uint8_t bDescriptorType;
|
|
uint8_t bDescriptorSubtype;
|
|
uint8_t bmCapabilities;
|
|
} usb_vcp_acm_descriptor_t;
|
|
|
|
typedef struct __attribute__((packed)) {
|
|
uint8_t bFunctionLength;
|
|
uint8_t bDescriptorType;
|
|
uint8_t bDescriptorSubtype;
|
|
uint8_t bControlInterface;
|
|
uint8_t bSubordinateInterface0;
|
|
} usb_vcp_union_descriptor_t;
|
|
|
|
typedef struct __attribute__((packed)) {
|
|
usb_interface_assoc_descriptor_t assoc;
|
|
usb_interface_descriptor_t iface_cdc;
|
|
usb_vcp_header_descriptor_t fheader; // Class-Specific Descriptor Header Format
|
|
usb_vcp_cm_descriptor_t fcm; // Call Management Functional Descriptor
|
|
usb_vcp_acm_descriptor_t facm; // Abstract Control Management Functional Descriptor
|
|
usb_vcp_union_descriptor_t funion; // Union Interface Functional Descriptor
|
|
usb_endpoint_descriptor_t ep_cmd;
|
|
usb_interface_descriptor_t iface_data;
|
|
usb_endpoint_descriptor_t ep_in;
|
|
usb_endpoint_descriptor_t ep_out;
|
|
} usb_vcp_descriptor_block_t;
|
|
|
|
typedef struct {
|
|
uint8_t iface_num; // Address of this VCP interface
|
|
uint8_t data_iface_num; // Address of data interface of the VCP interface association
|
|
uint8_t ep_cmd; // Address of IN CMD endpoint (with the highest bit set)
|
|
uint8_t ep_in; // Address of IN endpoint (with the highest bit set)
|
|
uint8_t ep_out; // Address of OUT endpoint
|
|
uint8_t polling_interval; // In units of 1ms
|
|
uint8_t max_cmd_packet_len;
|
|
uint8_t max_data_packet_len;
|
|
} usb_vcp_info_t;
|
|
|
|
// typedef struct {
|
|
// uint32_t cap;
|
|
// uint32_t read;
|
|
// uint32_t write;
|
|
// uint8_t *buf;
|
|
// } ring_buffer_t;
|
|
|
|
typedef struct {
|
|
uint8_t is_connected;
|
|
uint8_t in_idle;
|
|
// uint8_t cmd_op_code;
|
|
// uint8_t cmd_length;
|
|
|
|
// Configuration (copied from usb_vcp_info_t on init)
|
|
uint8_t data_iface_num;
|
|
uint8_t ep_cmd;
|
|
uint8_t ep_in;
|
|
uint8_t ep_out;
|
|
uint8_t polling_interval;
|
|
uint8_t max_cmd_packet_len;
|
|
uint8_t max_data_packet_len;
|
|
|
|
const usb_vcp_descriptor_block_t *desc_block;
|
|
} usb_vcp_state_t;
|
|
|
|
int usb_vcp_add(const usb_vcp_info_t *vcp_info);
|
|
int usb_vcp_can_read(uint8_t iface_num);
|
|
int usb_vcp_can_write(uint8_t iface_num);
|
|
int usb_vcp_read(uint8_t iface_num, uint8_t *buf, uint32_t len);
|
|
int usb_vcp_write(uint8_t iface_num, const uint8_t *buf, uint32_t len);
|
|
|
|
int usb_vcp_read_blocking(uint8_t iface_num, uint8_t *buf, uint32_t len, uint32_t timeout);
|
|
int usb_vcp_write_blocking(uint8_t iface_num, const uint8_t *buf, uint32_t len, uint32_t timeout);
|