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-rw-r--r--mpm/tools/eeprom-set-flags.c58
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);
+}