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mirror of https://github.com/trezor/trezor-firmware.git synced 2024-11-12 18:49:07 +00:00
trezor-firmware/micropython/trezorhal/usb_vcp-defs.h
2017-04-06 19:06:05 +02:00

32 lines
1.1 KiB
C

typedef struct __attribute__((packed)) {
} usb_vcp_descriptor_t;
typedef struct __attribute__((packed)) {
usb_interface_descriptor_t iface;
usb_vcp_descriptor_t vcp;
usb_endpoint_descriptor_t ep_in;
usb_endpoint_descriptor_t ep_out;
usb_endpoint_descriptor_t ep_cmd;
} usb_vcp_descriptor_block_t;
typedef struct {
// Interface configuration
uint8_t iface_num; // Address of this VCP interface
uint8_t ep_in; // Address of IN endpoint (with the highest bit set)
uint8_t ep_out; // Address of OUT endpoint
uint8_t ep_cmd; // Address of CMD endpoint
} usb_vcp_info_t;
typedef struct {
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);