X-Git-Url: https://git.ao2.it/kinect-audio-setup.git/blobdiff_plain/f7512fc58f5b70f8111abd3c9e738ddaf8cdb753..e1bc8be0ce9a4fe394430c76f53bcc7d15ef7377:/kinect_upload_fw/kinect_upload_fw.c diff --git a/kinect_upload_fw/kinect_upload_fw.c b/kinect_upload_fw/kinect_upload_fw.c index 1466ccd..e544df4 100644 --- a/kinect_upload_fw/kinect_upload_fw.c +++ b/kinect_upload_fw/kinect_upload_fw.c @@ -32,11 +32,14 @@ #include #include #include +#include #include #include +#include "endian.h" + static libusb_device_handle *dev; -int seq; +static unsigned int seq; typedef struct { uint32_t magic; @@ -54,85 +57,102 @@ typedef struct { } status_code; #define LOG(...) printf(__VA_ARGS__) + +#if __BYTE_ORDER == __BIG_ENDIAN +static inline uint32_t fn_le32(uint32_t d) +{ + return (d<<24) | ((d<<8)&0xFF0000) | ((d>>8)&0xFF00) | (d>>24); +} +#else #define fn_le32(x) (x) -// TODO: support architectures that aren't little-endian +#endif -void dump_bl_cmd(bootloader_command cmd) { +static void dump_bl_cmd(bootloader_command cmd) { int i; - for(i = 0; i < 24; i++) + for (i = 0; i < 24; i++) LOG("%02X ", ((unsigned char*)(&cmd))[i]); LOG("\n"); } -int get_first_reply() { +static int get_first_reply(void) { unsigned char buffer[512]; int res; int transferred; res = libusb_bulk_transfer(dev, 0x81, buffer, 512, &transferred, 0); - if(res != 0 ) { + if (res != 0 ) { LOG("Error reading first reply: %d\ttransferred: %d (expected %d)\n", res, transferred, 0x60); return res; } LOG("Reading first reply: "); int i; - for(i = 0; i < transferred; ++i) { + for (i = 0; i < transferred; ++i) { LOG("%02X ", buffer[i]); } LOG("\n"); return res; } - -int get_reply() { - unsigned char dump[512]; - status_code buffer = ((status_code*)dump)[0]; +static int get_reply(void) { + union { + status_code buffer; + /* The following is needed because libusb_bulk_transfer might + * fail when working on a buffer smaller than 512 bytes. + */ + unsigned char dump[512]; + } reply; int res; int transferred; - res = libusb_bulk_transfer(dev, 0x81, (unsigned char*)&buffer, 512, &transferred, 0); - if(res != 0 || transferred != sizeof(status_code)) { - LOG("Error reading reply: %d\ttransferred: %d (expected %d)\n", res, transferred, sizeof(status_code)); + + res = libusb_bulk_transfer(dev, 0x81, reply.dump, 512, &transferred, 0); + if (res != 0 || transferred != sizeof(status_code)) { + LOG("Error reading reply: %d\ttransferred: %d (expected %zu)\n", res, transferred, sizeof(status_code)); return res; } - if(fn_le32(buffer.magic) != 0x0a6fe000) { - LOG("Error reading reply: invalid magic %08X\n",buffer.magic); + if (fn_le32(reply.buffer.magic) != 0x0a6fe000) { + LOG("Error reading reply: invalid magic %08X\n", reply.buffer.magic); return -1; } - if(fn_le32(buffer.seq) != seq) { - LOG("Error reading reply: non-matching sequence number %08X (expected %08X)\n", buffer.seq, seq); + if (fn_le32(reply.buffer.seq) != seq) { + LOG("Error reading reply: non-matching sequence number %08X (expected %08X)\n", reply.buffer.seq, seq); return -1; } - if(fn_le32(buffer.status) != 0) { - LOG("Notice reading reply: last uint32_t was nonzero: %d\n", buffer.status); + if (fn_le32(reply.buffer.status) != 0) { + LOG("Notice reading reply: last uint32_t was nonzero: %d\n", reply.buffer.status); } - + LOG("Reading reply: "); int i; - for(i = 0; i < transferred; ++i) { - LOG("%02X ", ((unsigned char*)(&buffer))[i]); + for (i = 0; i < transferred; ++i) { + LOG("%02X ", reply.dump[i]); } LOG("\n"); - + return res; } int main(int argc, char** argv) { - char* filename = "firmware.bin"; + char default_filename[] = "firmware.bin"; + char* filename = default_filename; + int res = 0; + if (argc == 2) { filename = argv[1]; } - FILE* fw = fopen(filename, "r"); - if(fw == NULL) { - fprintf(stderr, "Failed to open %s: error %d", filename, errno); + + FILE* fw = fopen(filename, "rb"); + if (fw == NULL) { + fprintf(stderr, "Failed to open %s: %s\n", filename, strerror(errno)); return errno; } libusb_init(NULL); - libusb_set_debug(0,3); - dev = libusb_open_device_with_vid_pid(NULL, 0x045e, 0x02ad); + libusb_set_debug(NULL, 3); - if(dev == NULL) { - printf("Couldn't open device.\n"); - return 1; + dev = libusb_open_device_with_vid_pid(NULL, 0x045e, 0x02ad); + if (dev == NULL) { + fprintf(stderr, "Couldn't open device.\n"); + res = -ENODEV; + goto fail_libusb_open; } libusb_set_configuration(dev, 1); @@ -150,24 +170,28 @@ int main(int argc, char** argv) { LOG("About to send: "); dump_bl_cmd(cmd); - int res; + int transferred; res = libusb_bulk_transfer(dev, 1, (unsigned char*)&cmd, sizeof(cmd), &transferred, 0); - if(res != 0 || transferred != sizeof(cmd)) { - LOG("Error: res: %d\ttransferred: %d (expected %d)\n",res, transferred, sizeof(cmd)); + if (res != 0 || transferred != sizeof(cmd)) { + LOG("Error: res: %d\ttransferred: %d (expected %zu)\n", res, transferred, sizeof(cmd)); goto cleanup; } res = get_first_reply(); // This first one doesn't have the usual magic bytes at the beginning, and is 96 bytes long - much longer than the usual 12-byte replies. res = get_reply(); // I'm not sure why we do this twice here, but maybe it'll make sense later. seq++; - uint32_t addr = 0x00080000; - char page[0x4000]; + // Split addr declaration and assignment in order to compile as C++, + // otherwise this would give "jump to label '...' crosses initialization" + // errors. + uint32_t addr; + addr = 0x00080000; + unsigned char page[0x4000]; int read; do { read = fread(page, 1, 0x4000, fw); - if(read <= 0) { + if (read <= 0) { break; } //LOG(""); @@ -179,16 +203,16 @@ int main(int argc, char** argv) { dump_bl_cmd(cmd); // Send it off! res = libusb_bulk_transfer(dev, 1, (unsigned char*)&cmd, sizeof(cmd), &transferred, 0); - if(res != 0 || transferred != sizeof(cmd)) { - LOG("Error: res: %d\ttransferred: %d (expected %d)\n",res, transferred, sizeof(cmd)); + if (res != 0 || transferred != sizeof(cmd)) { + LOG("Error: res: %d\ttransferred: %d (expected %zu)\n", res, transferred, sizeof(cmd)); goto cleanup; } int bytes_sent = 0; - while(bytes_sent < read) { + while (bytes_sent < read) { int to_send = (read - bytes_sent > 512 ? 512 : read - bytes_sent); res = libusb_bulk_transfer(dev, 1, &page[bytes_sent], to_send, &transferred, 0); - if(res != 0 || transferred != to_send) { - LOG("Error: res: %d\ttransferred: %d (expected %d)\n",res, transferred, to_send); + if (res != 0 || transferred != to_send) { + LOG("Error: res: %d\ttransferred: %d (expected %d)\n", res, transferred, to_send); goto cleanup; } bytes_sent += to_send; @@ -205,17 +229,18 @@ int main(int argc, char** argv) { cmd.write_addr = fn_le32(0x00080030); dump_bl_cmd(cmd); res = libusb_bulk_transfer(dev, 1, (unsigned char*)&cmd, sizeof(cmd), &transferred, 0); - if(res != 0 || transferred != sizeof(cmd)) { - LOG("Error: res: %d\ttransferred: %d (expected %d)\n", res, transferred, sizeof(cmd)); + if (res != 0 || transferred != sizeof(cmd)) { + LOG("Error: res: %d\ttransferred: %d (expected %zu)\n", res, transferred, sizeof(cmd)); goto cleanup; } res = get_reply(); seq++; // Now the device reenumerates. - + cleanup: libusb_close(dev); +fail_libusb_open: libusb_exit(NULL); - return 0; + fclose(fw); + return res; } -