diff options
Diffstat (limited to 'mpm/tools/eeprom-set-flags.c')
-rw-r--r-- | mpm/tools/eeprom-set-flags.c | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/mpm/tools/eeprom-set-flags.c b/mpm/tools/eeprom-set-flags.c new file mode 100644 index 000000000..00a96677e --- /dev/null +++ b/mpm/tools/eeprom-set-flags.c @@ -0,0 +1,58 @@ +// +// Copyright 2017 Ettus Research, a National Instruments Company +// +// SPDX-License-Identifier: GPL-3.0 +// + +#include "eeprom.h" +#include <stdio.h> +#include <stdlib.h> +#include <errno.h> + +void usage(char *argv[]) +{ + printf("-- Usage -- \n"); + printf("%s flags\n", argv[0]); + printf("Example:\n"); + printf("$ %s 0x1\n", argv[0]); + +} + +int main(int argc, char *argv[]) +{ + struct usrp_sulfur_eeprom *ep; + u32 flags; + + if (argc != 2) { + usage(argv); + return EXIT_FAILURE; + } + + errno = 0; + flags = strtol(argv[1], NULL, 16); + if (errno) { + printf("Failed to convert flags, make sure you enter as hex\n"); + return EXIT_FAILURE; + } + + ep = usrp_sulfur_eeprom_from_file(NVMEM_PATH_MB); + if (!ep) { + printf("eeprom not found\n"); + return EXIT_FAILURE; + } + + usrp_sulfur_eeprom_print(ep); + + /* Set flag */ + ep->mcu_flags[0] = htonl(flags); + usrp_sulfur_eeprom_recrc(ep); + + /* Write out to eeprom */ + usrp_sulfur_eeprom_to_i2c(ep, "/dev/i2c-2"); + free(ep); + + printf("-- Reading back \n"); + ep = usrp_sulfur_eeprom_from_file(NVMEM_PATH_MB); + usrp_sulfur_eeprom_print(ep); + free(ep); +} |