96         printf("Usage: %s\n", argv[0]);  in main()
97         printf("  -s (use spi. default)\n");  in main()
98         printf("  -i (use i2c)\n");  in main()
99         printf("  -u (use uart)\n");  in main()
100         printf("  -g <gpio> (reset gpio. default: %d)\n", gpio_nreset);  in main()
101         printf("  -d <device> (device. default: %s)\n", device);  in main()
102         printf("  -e <sector> (sector to erase)\n");  in main()
103         printf("  -w <filename> (filename to write to flash)\n");  in main()
104         printf("  -r <filename> (filename to read from flash)\n");  in main()
105         printf("  -l <length> (length to read/write)\n");  in main()
106         printf("  -a <address> (address to write filename to. default: 0x%08x)\n",  in main()
108         printf("  -c (add type, length, file contents, and CRC)\n");  in main()
109         printf("  -t <type> (type value for -c option. default: %d)\n", type);  in main()
195         printf("Init failed\n");  in main()
200         printf("Erasing sector %d\n", sector);  in main()
203             printf("Erase succeeded\n");  in main()
205             printf("Erase failed\n");  in main()
237         printf("Writing %zd bytes from %s to 0x%08x\n", length,  in main()
260             printf("Write succeeded\n");  in main()
262             printf("Write failed\n");  in main()
284                 printf("Read %zd bytes from %s @ 0x%08x\n",  in main()
287                 printf("Read failed\n");  in main()
309                         printf("Read %zd bytes from %s @ 0x%08x (type %02x, crc %s)\n",  in main()
313                         printf("Read of payload failed\n");  in main()
317                     printf("Read invalid type: 0xFF\n");  in main()
320                 printf("Read of header failed\n");  in main()
323             printf("No length or crc specified for read\n");  in main()