diff options
Diffstat (limited to 'src/jtag/drivers/libusb1_common.c')
| -rw-r--r-- | src/jtag/drivers/libusb1_common.c | 59 |
1 files changed, 49 insertions, 10 deletions
diff --git a/src/jtag/drivers/libusb1_common.c b/src/jtag/drivers/libusb1_common.c index d96ac76..0d4bcba 100644 --- a/src/jtag/drivers/libusb1_common.c +++ b/src/jtag/drivers/libusb1_common.c @@ -33,6 +33,31 @@ static struct libusb_context *jtag_libusb_context; /**< Libusb context **/ static libusb_device **devs; /**< The usb device list **/ +static int jtag_libusb_error(int err) +{ + switch (err) { + case LIBUSB_SUCCESS: + return ERROR_OK; + case LIBUSB_ERROR_TIMEOUT: + return ERROR_TIMEOUT_REACHED; + case LIBUSB_ERROR_IO: + case LIBUSB_ERROR_INVALID_PARAM: + case LIBUSB_ERROR_ACCESS: + case LIBUSB_ERROR_NO_DEVICE: + case LIBUSB_ERROR_NOT_FOUND: + case LIBUSB_ERROR_BUSY: + case LIBUSB_ERROR_OVERFLOW: + case LIBUSB_ERROR_PIPE: + case LIBUSB_ERROR_INTERRUPTED: + case LIBUSB_ERROR_NO_MEM: + case LIBUSB_ERROR_NOT_SUPPORTED: + case LIBUSB_ERROR_OTHER: + return ERROR_FAIL; + default: + return ERROR_FAIL; + } +} + static bool jtag_libusb_match(struct libusb_device_descriptor *dev_desc, const uint16_t vids[], const uint16_t pids[]) { @@ -179,23 +204,37 @@ int jtag_libusb_control_transfer(jtag_libusb_device_handle *dev, uint8_t request } int jtag_libusb_bulk_write(jtag_libusb_device_handle *dev, int ep, char *bytes, - int size, int timeout) + int size, int timeout, int *transferred) { - int transferred = 0; + int ret; - libusb_bulk_transfer(dev, ep, (unsigned char *)bytes, size, - &transferred, timeout); - return transferred; + *transferred = 0; + + ret = libusb_bulk_transfer(dev, ep, (unsigned char *)bytes, size, + transferred, timeout); + if (ret != LIBUSB_SUCCESS) { + LOG_ERROR("libusb_bulk_write error: %s", libusb_error_name(ret)); + return jtag_libusb_error(ret); + } + + return ERROR_OK; } int jtag_libusb_bulk_read(jtag_libusb_device_handle *dev, int ep, char *bytes, - int size, int timeout) + int size, int timeout, int *transferred) { - int transferred = 0; + int ret; - libusb_bulk_transfer(dev, ep, (unsigned char *)bytes, size, - &transferred, timeout); - return transferred; + *transferred = 0; + + ret = libusb_bulk_transfer(dev, ep, (unsigned char *)bytes, size, + transferred, timeout); + if (ret != LIBUSB_SUCCESS) { + LOG_ERROR("libusb_bulk_read error: %s", libusb_error_name(ret)); + return jtag_libusb_error(ret); + } + + return ERROR_OK; } int jtag_libusb_set_configuration(jtag_libusb_device_handle *devh, |