X-Git-Url: http://sigrok.org/gitweb/?a=blobdiff_plain;f=hardware%2Fcommon%2Fezusb.c;h=426af3ab6e3a27e88bb28cbe333d8f39814ab00c;hb=357285a944b514bb4498f16b6318829516e33e1a;hp=e765b83452ec2df5c311ebf904f0d344f36e01b3;hpb=a1bb33afbde769156ad4bef7a60579da64aebbb7;p=libsigrok.git diff --git a/hardware/common/ezusb.c b/hardware/common/ezusb.c index e765b834..426af3ab 100644 --- a/hardware/common/ezusb.c +++ b/hardware/common/ezusb.c @@ -23,62 +23,101 @@ #include #include +#include #include #include #include #include "config.h" +#include "sigrok.h" +#include "sigrok-internal.h" int ezusb_reset(struct libusb_device_handle *hdl, int set_clear) { int err; unsigned char buf[1]; - g_message("setting CPU reset mode %s...", set_clear ? "on" : "off"); + sr_info("setting CPU reset mode %s...", set_clear ? "on" : "off"); buf[0] = set_clear ? 1 : 0; err = libusb_control_transfer(hdl, LIBUSB_REQUEST_TYPE_VENDOR, 0xa0, - 0xe600, 0x0000, buf, 1, 100); - if(err < 0) - g_warning("Unable to send control request: %d", err); + 0xe600, 0x0000, buf, 1, 100); + if (err < 0) + sr_warn("Unable to send control request: %d", err); return err; } - int ezusb_install_firmware(libusb_device_handle *hdl, const char *filename) { FILE *fw; int offset, chunksize, err, result; unsigned char buf[4096]; - g_message("Uploading firmware at %s", filename); - if((fw = fopen(filename, "r")) == NULL) - { - g_warning("Unable to open firmware file %s for reading: %s", filename, strerror(errno)); - return 1; + sr_info("Uploading firmware at %s", filename); + if ((fw = g_fopen(filename, "rb")) == NULL) { + sr_warn("Unable to open firmware file %s for reading: %s", + filename, strerror(errno)); + return SR_ERR; } - result = 0; + result = SR_OK; offset = 0; - while(1) - { + while (1) { chunksize = fread(buf, 1, 4096, fw); - if(chunksize == 0) + if (chunksize == 0) break; - err = libusb_control_transfer(hdl, LIBUSB_REQUEST_TYPE_VENDOR | LIBUSB_ENDPOINT_OUT, 0xa0, - offset, 0x0000, buf, chunksize, 100); - if(err < 0) - { - g_warning("Unable to send firmware to device: %d", err); - result = 1; + err = libusb_control_transfer(hdl, LIBUSB_REQUEST_TYPE_VENDOR | + LIBUSB_ENDPOINT_OUT, 0xa0, offset, + 0x0000, buf, chunksize, 100); + if (err < 0) { + sr_warn("Unable to send firmware to device: %d", err); + result = SR_ERR; break; } - g_message("Uploaded %d bytes", chunksize); + sr_info("Uploaded %d bytes", chunksize); offset += chunksize; } fclose(fw); - g_message("Firmware upload done"); + sr_info("Firmware upload done"); return result; } +int ezusb_upload_firmware(libusb_device *dev, int configuration, + const char *filename) +{ + struct libusb_device_handle *hdl; + int err; + + sr_info("uploading firmware to device on %d.%d", + libusb_get_bus_number(dev), libusb_get_device_address(dev)); + + if ((err = libusb_open(dev, &hdl)) < 0) { + sr_warn("failed to open device: %d", err); + return SR_ERR; + } + + if (libusb_kernel_driver_active(hdl, 0)) { + if ((err = libusb_detach_kernel_driver(hdl, 0)) < 0) { + sr_warn("failed to detach kernel driver: %d", err); + return SR_ERR; + } + } + + if ((err = libusb_set_configuration(hdl, configuration)) < 0) { + sr_warn("Unable to set configuration: %d", err); + return SR_ERR; + } + + if ((ezusb_reset(hdl, 1)) < 0) + return SR_ERR; + if (ezusb_install_firmware(hdl, filename) < 0) + return SR_ERR; + + if ((ezusb_reset(hdl, 0)) < 0) + return SR_ERR; + + libusb_close(hdl); + + return SR_OK; +}