diff options
Diffstat (limited to 'plugin_raspi.c')
| -rw-r--r-- | plugin_raspi.c | 25 |
1 files changed, 22 insertions, 3 deletions
diff --git a/plugin_raspi.c b/plugin_raspi.c index bd1dea8..c6e7e45 100644 --- a/plugin_raspi.c +++ b/plugin_raspi.c @@ -44,6 +44,7 @@ #include <stdio.h> #include <string.h> #include <errno.h> +#include <unistd.h> #ifdef WITH_DMALLOC #include <dmalloc.h> @@ -53,6 +54,7 @@ #define RASPI_FREQ_PATH "/sys/devices/system/cpu/cpu0/cpufreq/" #define RASPI_FREQ_VALUE "cpuinfo_cur_freq" #define RASPI_FREQ_IDFILE "scaling_driver" +#define RASPI_FREQ_ID "BCM2835 CPUFreq" #define RASPI_TEMP_PATH "/sys/class/thermal/thermal_zone0/" #define RASPI_TEMP_VALUE "temp" #define RASPI_TEMP_IDFILE "type" @@ -132,15 +134,32 @@ int plugin_init_raspi(void) { char checkFile[128]; - AddFunction("raspi::cpufreq", 0, my_cpufreq); - AddFunction("raspi::cputemp", 0, my_cputemp); - snprintf(checkFile, sizeof(checkFile), "%s%s", RASPI_TEMP_PATH, RASPI_TEMP_IDFILE); if (strncmp( readStr(checkFile), RASPI_TEMP_ID, strlen(RASPI_TEMP_ID) ) != 0) { error("Warning: no raspberry pi thermal sensor found: value of '%s' is '%s', should be '%s'", checkFile, readStr(checkFile), RASPI_TEMP_IDFILE); } + snprintf(checkFile, sizeof(checkFile), "%s%s", RASPI_TEMP_PATH, RASPI_TEMP_VALUE); + if (0 == access(checkFile, R_OK)) { + AddFunction("raspi::cputemp", 0, my_cputemp); + } else { + error("Error: File '%s' not readable, no temperature sensor found", checkFile); + } + + snprintf(checkFile, sizeof(checkFile), "%s%s", RASPI_FREQ_PATH, RASPI_FREQ_IDFILE); + if (strncmp( readStr(checkFile), RASPI_FREQ_ID, strlen(RASPI_FREQ_ID) ) != 0) { + error("Warning: no raspberry pi frequence sensor found: value of '%s' is '%s', should be '%s'", + checkFile, readStr(checkFile), RASPI_FREQ_IDFILE); + } + + snprintf(checkFile, sizeof(checkFile), "%s%s", RASPI_FREQ_PATH, RASPI_FREQ_VALUE); + if (0 == access(checkFile, R_OK)) { + AddFunction("raspi::cpufreq", 0, my_cpufreq); + } else { + error("Error: File '%s' not readable, no frequency sensor found", checkFile); + } + return 0; } |