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slim down usb_shm to only the things used in libeismulitplexer

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Carl Philipp Klemm 2024-05-07 11:28:15 +02:00
parent ef73c41207
commit c55b600d9e
4 changed files with 97 additions and 201 deletions
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24
usbshm.h
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@ -27,48 +27,42 @@
#include <libusb-1.0/libusb.h>
#include <pthread.h>
#include <stdatomic.h>
#include <stdint.h>
#include <time.h>
#include <stdbool.h>
struct usbshm_priv;
enum {
USBSHM_ERROR_AGAIN = -1,
USBSHM_ERROR_PARAM = -2,
USBSHM_ERROR_ERR = -3,
USBSHM_ERROR_NOT_CONNECTED = -4,
USBSHM_ERROR_ALLREADY_CONNECTED = -5,
USBSHM_ERROR_TIMEOUT = -6
};
struct usbshm {
struct usbshm_priv* priv;
int vendorID;
int productID;
unsigned char* serial;
void* user_data;
void (*dataCallback)(uint8_t request, unsigned char* data, size_t length, void* user_data);
libusb_device_handle* handle;
pthread_mutex_t* mutex;
};
void usbshm_distroy(struct usbshm* instance);
int usbshm_init(struct usbshm* instance, void (*dataCallback)(uint8_t request, unsigned char* data, size_t length, void* user_data), void* user_data);
bool usbshm_ready(struct usbshm* instance);
int usbshm_init(struct usbshm* instance);
int usbshm_open(struct usbshm* instance, int vendorID, int productID, const unsigned char* serial);
bool usbshm_isOpen(struct usbshm* instance);
bool usbshm_is_open(struct usbshm* instance);
void usbshm_reset(struct usbshm* instance);
void usbshm_reopen(struct usbshm* instance);
int usbshm_writeControlTransfer(struct usbshm* instance, const uint8_t request,
char* buffer, const uint8_t length,
int usbshm_write_control_transfer(struct usbshm* instance, const uint8_t request,
uint8_t* buffer, const uint8_t length,
const uint16_t wValue, const uint16_t wIndex);
int usbshm_readControlTransfer(struct usbshm* instance, const uint8_t request, const uint16_t wValue, const uint16_t wIndex, const uint16_t length);
int usbshm_readControlTransferSync(struct usbshm* instance, const uint8_t request, const uint16_t wValue, const uint16_t wIndex, uint8_t* buffer, const uint16_t length);
int usbshm_read_control_transfer(struct usbshm* instance, const uint8_t request, const uint16_t wValue, const uint16_t wIndex, uint8_t* buffer, const uint16_t length);