X-Git-Url: https://review.openocd.org/gitweb?p=openocd.git;a=blobdiff_plain;f=src%2Fjtag%2Fdrivers%2Fulink.c;h=cfd693a60ebbb3551854c4bfbe0d4ad64f781735;hp=82663392c68e1819d238d0fc7a1fd26570bc0706;hb=4f441486e59e6e8ca5759c3fef33eb5920cb199f;hpb=08d4411b59dd8bd0e7d8009003b71d23acbf6eee diff --git a/src/jtag/drivers/ulink.c b/src/jtag/drivers/ulink.c index 82663392c6..cfd693a60e 100644 --- a/src/jtag/drivers/ulink.c +++ b/src/jtag/drivers/ulink.c @@ -1,5 +1,5 @@ /*************************************************************************** - * Copyright (C) 2011 by Martin Schmoelzer * + * Copyright (C) 2011-2013 by Martin Schmoelzer * * * * * * This program is free software; you can redistribute it and/or modify * @@ -26,7 +26,7 @@ #include #include #include -#include "usb_common.h" +#include #include "OpenULINK/include/msgtypes.h" /** USB Vendor ID of ULINK device in unconfigured state (no firmware loaded @@ -63,7 +63,7 @@ #define ULINK_RENUMERATION_DELAY 1500000 /** Default location of OpenULINK firmware image. */ -#define ULINK_FIRMWARE_FILE PKGLIBDIR "/OpenULINK/ulink_firmware.hex" +#define ULINK_FIRMWARE_FILE PKGDATADIR "/OpenULINK/ulink_firmware.hex" /** Maximum size of a single firmware section. Entire EZ-USB code space = 8kB */ #define SECTION_BUFFERSIZE 8192 @@ -123,14 +123,14 @@ enum ulink_delay_type { * The last command sets #needs_postprocessing to true. */ struct ulink_cmd { - uint8_t id; /* /< ULINK command ID */ + uint8_t id; /**< ULINK command ID */ - uint8_t *payload_out; /* /< OUT direction payload data */ - uint8_t payload_out_size; /* /< OUT direction payload size for this command */ + uint8_t *payload_out; /**< OUT direction payload data */ + uint8_t payload_out_size; /**< OUT direction payload size for this command */ - uint8_t *payload_in_start; /* /< Pointer to first element of IN payload array */ - uint8_t *payload_in; /* /< Pointer where IN payload shall be stored */ - uint8_t payload_in_size;/* /< IN direction payload size for this command */ + uint8_t *payload_in_start; /**< Pointer to first element of IN payload array */ + uint8_t *payload_in; /**< Pointer where IN payload shall be stored */ + uint8_t payload_in_size; /**< IN direction payload size for this command */ /** Indicates if this command needs post-processing */ bool needs_postprocessing; @@ -141,23 +141,24 @@ struct ulink_cmd { /** Pointer to corresponding OpenOCD command for post-processing */ struct jtag_command *cmd_origin; - struct ulink_cmd *next; /* /< Pointer to next command (linked list) */ + struct ulink_cmd *next; /**< Pointer to next command (linked list) */ }; /** Describes one driver instance */ struct ulink { - struct usb_dev_handle *usb_handle; + struct libusb_context *libusb_ctx; + struct libusb_device_handle *usb_device_handle; enum ulink_type type; - int delay_scan_in; /* /< Delay value for SCAN_IN commands */ - int delay_scan_out; /* /< Delay value for SCAN_OUT commands */ - int delay_scan_io; /* /< Delay value for SCAN_IO commands */ - int delay_clock_tck; /* /< Delay value for CLOCK_TMS commands */ - int delay_clock_tms; /* /< Delay value for CLOCK_TCK commands */ + int delay_scan_in; /**< Delay value for SCAN_IN commands */ + int delay_scan_out; /**< Delay value for SCAN_OUT commands */ + int delay_scan_io; /**< Delay value for SCAN_IO commands */ + int delay_clock_tck; /**< Delay value for CLOCK_TMS commands */ + int delay_clock_tms; /**< Delay value for CLOCK_TCK commands */ - int commands_in_queue; /* /< Number of commands in queue */ - struct ulink_cmd *queue_start; /* /< Pointer to first command in queue */ - struct ulink_cmd *queue_end; /* /< Pointer to last command in queue */ + int commands_in_queue; /**< Number of commands in queue */ + struct ulink_cmd *queue_start; /**< Pointer to first command in queue */ + struct ulink_cmd *queue_end; /**< Pointer to last command in queue */ }; /**************************** Function Prototypes *****************************/ @@ -167,10 +168,10 @@ int ulink_usb_open(struct ulink **device); int ulink_usb_close(struct ulink **device); /* ULINK MCU (Cypress EZ-USB) specific functions */ -int ulink_cpu_reset(struct ulink *device, char reset_bit); -int ulink_load_firmware_and_renumerate(struct ulink **device, char *filename, +int ulink_cpu_reset(struct ulink *device, unsigned char reset_bit); +int ulink_load_firmware_and_renumerate(struct ulink **device, const char *filename, uint32_t delay); -int ulink_load_firmware(struct ulink *device, char *filename); +int ulink_load_firmware(struct ulink *device, const char *filename); int ulink_write_firmware_section(struct ulink *device, struct image *firmware_image, int section_index); @@ -258,30 +259,46 @@ struct ulink *ulink_handle; /** * Opens the ULINK device and claims its USB interface. * + * Currently, only the original ULINK is supported + * * @param device pointer to struct ulink identifying ULINK driver instance. * @return on success: ERROR_OK * @return on failure: ERROR_FAIL */ int ulink_usb_open(struct ulink **device) { - int ret; - struct usb_dev_handle *usb_handle; + ssize_t num_devices, i; + bool found; + libusb_device **usb_devices; + struct libusb_device_descriptor usb_desc; + struct libusb_device_handle *usb_device_handle; - /* Currently, only original ULINK is supported */ - uint16_t vids[] = { ULINK_VID, 0 }; - uint16_t pids[] = { ULINK_PID, 0 }; + num_devices = libusb_get_device_list((*device)->libusb_ctx, &usb_devices); - ret = jtag_usb_open(vids, pids, &usb_handle); + if (num_devices <= 0) + return ERROR_FAIL; - if (ret != ERROR_OK) - return ret; + found = false; + for (i = 0; i < num_devices; i++) { + if (libusb_get_device_descriptor(usb_devices[i], &usb_desc) != 0) + continue; + else if (usb_desc.idVendor == ULINK_VID && usb_desc.idProduct == ULINK_PID) { + found = true; + break; + } + } - ret = usb_claim_interface(usb_handle, 0); + if (!found) + return ERROR_FAIL; - if (ret != 0) - return ret; + if (libusb_open(usb_devices[i], &usb_device_handle) != 0) + return ERROR_FAIL; + libusb_free_device_list(usb_devices, 1); - (*device)->usb_handle = usb_handle; + if (libusb_claim_interface(usb_device_handle, 0) != 0) + return ERROR_FAIL; + + (*device)->usb_device_handle = usb_device_handle; (*device)->type = ULINK_1; return ERROR_OK; @@ -296,13 +313,12 @@ int ulink_usb_open(struct ulink **device) */ int ulink_usb_close(struct ulink **device) { - if (usb_release_interface((*device)->usb_handle, 0) != 0) + if (libusb_release_interface((*device)->usb_device_handle, 0) != 0) return ERROR_FAIL; - if (usb_close((*device)->usb_handle) != 0) - return ERROR_FAIL; + libusb_close((*device)->usb_device_handle); - (*device)->usb_handle = NULL; + (*device)->usb_device_handle = NULL; return ERROR_OK; } @@ -318,12 +334,12 @@ int ulink_usb_close(struct ulink **device) * @return on success: ERROR_OK * @return on failure: ERROR_FAIL */ -int ulink_cpu_reset(struct ulink *device, char reset_bit) +int ulink_cpu_reset(struct ulink *device, unsigned char reset_bit) { int ret; - ret = usb_control_msg(device->usb_handle, - (USB_ENDPOINT_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE), + ret = libusb_control_transfer(device->usb_device_handle, + (LIBUSB_ENDPOINT_OUT | LIBUSB_REQUEST_TYPE_VENDOR | LIBUSB_RECIPIENT_DEVICE), REQUEST_FIRMWARE_LOAD, CPUCS_REG, 0, &reset_bit, 1, USB_TIMEOUT); /* usb_control_msg() returns the number of bytes transferred during the @@ -346,7 +362,7 @@ int ulink_cpu_reset(struct ulink *device, char reset_bit) * @return on failure: ERROR_FAIL */ int ulink_load_firmware_and_renumerate(struct ulink **device, - char *filename, uint32_t delay) + const char *filename, uint32_t delay) { int ret; @@ -381,7 +397,7 @@ int ulink_load_firmware_and_renumerate(struct ulink **device, * @return on success: ERROR_OK * @return on failure: ERROR_FAIL */ -int ulink_load_firmware(struct ulink *device, char *filename) +int ulink_load_firmware(struct ulink *device, const char *filename) { struct image ulink_firmware_image; int ret, i; @@ -445,9 +461,6 @@ int ulink_write_firmware_section(struct ulink *device, LOG_DEBUG("section %02i at addr 0x%04x (size 0x%04x)", section_index, addr, size); - if (data == NULL) - return ERROR_FAIL; - /* Copy section contents to local buffer */ ret = image_read_section(firmware_image, section_index, 0, size, data, &size_read); @@ -467,9 +480,9 @@ int ulink_write_firmware_section(struct ulink *device, else chunk_size = bytes_remaining; - ret = usb_control_msg(device->usb_handle, - (USB_ENDPOINT_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE), - REQUEST_FIRMWARE_LOAD, addr, FIRMWARE_ADDR, (char *)data_ptr, + ret = libusb_control_transfer(device->usb_device_handle, + (LIBUSB_ENDPOINT_OUT | LIBUSB_REQUEST_TYPE_VENDOR | LIBUSB_RECIPIENT_DEVICE), + REQUEST_FIRMWARE_LOAD, addr, FIRMWARE_ADDR, (unsigned char *)data_ptr, chunk_size, USB_TIMEOUT); if (ret != (int)chunk_size) { @@ -501,8 +514,8 @@ void ulink_print_signal_states(uint8_t input_signals, uint8_t output_signals) (input_signals & SIGNAL_TDO ? 1 : 0), (output_signals & SIGNAL_TMS ? 1 : 0), (output_signals & SIGNAL_TCK ? 1 : 0), - (output_signals & SIGNAL_TRST ? 0 : 1),/* TRST and RESET are inverted */ - (output_signals & SIGNAL_RESET ? 0 : 1)); /* by hardware */ + (output_signals & SIGNAL_TRST ? 0 : 1), /* Inverted by hardware */ + (output_signals & SIGNAL_RESET ? 0 : 1)); /* Inverted by hardware */ } /**************** OpenULINK command generation helper functions ***************/ @@ -694,7 +707,7 @@ int ulink_append_queue(struct ulink *device, struct ulink_cmd *ulink_cmd) int ulink_execute_queued_commands(struct ulink *device, int timeout) { struct ulink_cmd *current; - int ret, i, index_out, index_in, count_out, count_in; + int ret, i, index_out, index_in, count_out, count_in, transferred; uint8_t buffer[64]; #ifdef _DEBUG_JTAG_IO_ @@ -719,20 +732,20 @@ int ulink_execute_queued_commands(struct ulink *device, int timeout) } /* Send packet to ULINK */ - ret = usb_bulk_write(device->usb_handle, (2 | USB_ENDPOINT_OUT), - (char *)buffer, count_out, timeout); - if (ret < 0) + ret = libusb_bulk_transfer(device->usb_device_handle, (2 | LIBUSB_ENDPOINT_OUT), + (unsigned char *)buffer, count_out, &transferred, timeout); + if (ret != 0) return ERROR_FAIL; - if (ret != count_out) + if (transferred != count_out) return ERROR_FAIL; /* Wait for response if commands contain IN payload data */ if (count_in > 0) { - ret = usb_bulk_read(device->usb_handle, (2 | USB_ENDPOINT_IN), - (char *)buffer, 64, timeout); - if (ret < 0) + ret = libusb_bulk_transfer(device->usb_device_handle, (2 | LIBUSB_ENDPOINT_IN), + (unsigned char *)buffer, 64, &transferred, timeout); + if (ret != 0) return ERROR_FAIL; - if (ret != count_in) + if (transferred != count_in) return ERROR_FAIL; /* Write back IN payload data */ @@ -2142,17 +2155,17 @@ static int ulink_speed_div(int speed, int *khz) */ static int ulink_init(void) { - int ret; + int ret, transferred; char str_manufacturer[20]; bool download_firmware = false; - uint8_t *dummy; + unsigned char *dummy; uint8_t input_signals, output_signals; ulink_handle = calloc(1, sizeof(struct ulink)); if (ulink_handle == NULL) return ERROR_FAIL; - usb_init(); + libusb_init(&ulink_handle->libusb_ctx); ret = ulink_usb_open(&ulink_handle); if (ret != ERROR_OK) { @@ -2163,7 +2176,7 @@ static int ulink_init(void) } /* Get String Descriptor to determine if firmware needs to be loaded */ - ret = usb_get_string_simple(ulink_handle->usb_handle, 1, str_manufacturer, 20); + ret = libusb_get_string_descriptor_ascii(ulink_handle->usb_device_handle, 1, (unsigned char *)str_manufacturer, 20); if (ret < 0) { /* Could not get descriptor -> Unconfigured or original Keil firmware */ download_firmware = true; @@ -2202,12 +2215,12 @@ static int ulink_init(void) * shut down by the user via Ctrl-C. Try to retrieve this Bulk IN packet. */ dummy = calloc(64, sizeof(uint8_t)); - ret = usb_bulk_read(ulink_handle->usb_handle, (2 | USB_ENDPOINT_IN), - (char *)dummy, 64, 200); + ret = libusb_bulk_transfer(ulink_handle->usb_device_handle, (2 | LIBUSB_ENDPOINT_IN), + dummy, 64, &transferred, 200); free(dummy); - if (ret < 0) { + if (ret != 0 || transferred == 0) { /* Bulk IN transfer failed -> unrecoverable error condition */ LOG_ERROR("Cannot communicate with ULINK device. Disconnect ULINK from " "the USB port and re-connect, then re-run OpenOCD"); @@ -2268,7 +2281,7 @@ COMMAND_HANDLER(ulink_download_firmware_handler) LOG_INFO("Downloading ULINK firmware image %s", CMD_ARGV[0]); /* Download firmware image in CMD_ARGV[0] */ - ret = ulink_load_firmware_and_renumerate(&ulink_handle, (char *)CMD_ARGV[0], + ret = ulink_load_firmware_and_renumerate(&ulink_handle, CMD_ARGV[0], ULINK_RENUMERATION_DELAY); return ret;