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sensors: Scale voltage and current values

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scale_value is generic function for scaling values. There is a lower
resolution then json format provides for voltage and current.
The patch is calling scale_value() and showing values with higher
resolution.
For example on Xilinx ZynqMP platform:
ina226-i2c-3-41
Adapter: i2c-0-mux (chan_id 0)
in0:           2.00 mV
in1:         848.00 mV
power1:      287.50 mW
curr1:       330.00 mA

Signed-off-by: Michal Simek <monstr@monstr.eu>
This commit is contained in:
Michal Simek committed 2019-06-20 13:31:52 +02:00
1 parent 2c8cca3d6c
commit 1b8b1bce9e
1 file changed
+12 -6
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prog/sensors/chips.c
+12 -6
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@@ -32,6 +32,8 @@
#define ARRAY_SIZE(arr) (int)(sizeof(arr) / sizeof((arr)[0]))
static void scale_value(double *value, const char **prefixstr);
void print_chip_raw(const sensors_chip_name *name)
{
int a, b, err;
@@ -433,6 +435,7 @@ static void print_chip_in(const sensors_chip_name *name,
{
const sensors_subfeature *sf;
char *label;
const char *unit;
struct sensor_subfeature_data sensors[NUM_IN_SENSORS];
struct sensor_subfeature_data alarms[NUM_IN_ALARMS];
int sensor_count, alarm_count;
@@ -448,9 +451,10 @@ static void print_chip_in(const sensors_chip_name *name,
sf = sensors_get_subfeature(name, feature,
SENSORS_SUBFEATURE_IN_INPUT);
if (sf && get_input_value(name, sf, &val) == 0)
printf("%+6.2f V ", val);
else
if (sf && get_input_value(name, sf, &val) == 0) {
scale_value(&val, &unit);
printf("%6.2f %sV%*s", val, unit, 2 - (int)strlen(unit), "");
} else
printf(" N/A ");
sensor_count = alarm_count = 0;
@@ -789,6 +793,7 @@ static void print_chip_curr(const sensors_chip_name *name,
const sensors_subfeature *sf;
double val;
char *label;
const char *unit;
struct sensor_subfeature_data sensors[NUM_CURR_SENSORS];
struct sensor_subfeature_data alarms[NUM_CURR_ALARMS];
int sensor_count, alarm_count;
@@ -803,9 +808,10 @@ static void print_chip_curr(const sensors_chip_name *name,
sf = sensors_get_subfeature(name, feature,
SENSORS_SUBFEATURE_CURR_INPUT);
if (sf && get_input_value(name, sf, &val) == 0)
printf("%+6.2f A ", val);
else
if (sf && get_input_value(name, sf, &val) == 0) {
scale_value(&val, &unit);
printf("%6.2f %sA%*s", val, unit, 2 - (int)strlen(unit), "");
} else
printf(" N/A ");
sensor_count = alarm_count = 0;