diff options
author | Max <msuraev@sysmocom.de> | 2017-07-17 17:32:03 +0200 |
---|---|---|
committer | Max <msuraev@sysmocom.de> | 2017-07-18 11:41:56 +0000 |
commit | f690e5d45cbbcaf1309a429e934829bd06b00dd7 (patch) | |
tree | 4612e59d0586c3dd9118278d7545fd3c72639f4d | |
parent | a59fb6220b723b2c89477838697628474378aeea (diff) |
lc15: cleanup board parameters reading
* move common code into separate function
* print error similar to parameter reading code
Change-Id: Icf3285d7bb921d212cb8945e835be2c81189fb87
Related: SYS#3728
-rw-r--r-- | src/osmo-bts-litecell15/misc/lc15bts_bid.c | 47 |
1 files changed, 25 insertions, 22 deletions
diff --git a/src/osmo-bts-litecell15/misc/lc15bts_bid.c b/src/osmo-bts-litecell15/misc/lc15bts_bid.c index 06a126ae..ba2037a8 100644 --- a/src/osmo-bts-litecell15/misc/lc15bts_bid.c +++ b/src/osmo-bts-litecell15/misc/lc15bts_bid.c @@ -24,12 +24,13 @@ #include <string.h> #include <errno.h> #include <fcntl.h> +#include <stdbool.h> #include "lc15bts_bid.h" #define BOARD_REV_SYSFS "/var/lc15/platform/revision" #define BOARD_OPT_SYSFS "/var/lc15/platform/option" - + static const int option_type_mask[_NUM_OPTION_TYPES] = { [LC15BTS_OPTION_OCXO] = 0x07, [LC15BTS_OPTION_FPGA] = 0x03, @@ -72,6 +73,21 @@ static const int option_type_shift[_NUM_OPTION_TYPES] = { static int board_rev = -1; static int board_option = -1; +static inline bool read_board(const char *src, const char *spec, void *dst) +{ + FILE *fp = fopen(src, "r"); + if (!fp) { + fprintf(stderr, "Failed to open %s due to '%s' error\n", src, strerror(errno)); + return false; + } + + if (fscanf(fp, spec, dst) != 1) { + fclose(fp); + fprintf(stderr, "Failed to read %s due to '%s' error\n", src, strerror(errno)); + return false; + } + fclose(fp); +} int lc15bts_rev_get(void) { @@ -82,14 +98,8 @@ int lc15bts_rev_get(void) return board_rev; } - fp = fopen(BOARD_REV_SYSFS, "r"); - if (fp == NULL) return -1; - - if (fscanf(fp, "%c", &rev) != 1) { - fclose( fp ); - return -1; - } - fclose(fp); + if (!read_board(BOARD_REV_SYSFS, "%c", &rev)) + return -1; board_rev = rev; return board_rev; @@ -99,22 +109,15 @@ int lc15bts_model_get(void) { FILE *fp; int opt; + bool rc; + if (board_option != -1) + return board_option; - if (board_option == -1) { - fp = fopen(BOARD_OPT_SYSFS, "r"); - if (fp == NULL) { - return -1; - } - - if (fscanf(fp, "%X", &opt) != 1) { - fclose( fp ); - return -1; - } - fclose(fp); + if (!read_board(BOARD_OPT_SYSFS, "%X", &opt)) + return -1; - board_option = opt; - } + board_option = opt; return board_option; } |