Moved battery status to fileRead().

Renamed 'power' to 'battery'.

1 files changed, 95 insertions, 0 deletions

diff --git a/statuses/battery.c b/statuses/battery.c
new file mode 100644
index 0000000..e3e3c1b
--- /dev/null
+++ b/statuses/battery.c
@@ -0,0 +1,95 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include "string.h"
+#include "battery.h"
+
+#ifndef POWER_BASEDIR
+	#define POWER_BASEDIR "/sys/class/power_supply/"
+#endif
+
+
+void status_battery(char *batname)
+{
+	char batpath[256];
+	int batpathlen;
+
+	char stline[16];
+	ssize_t stlen;
+
+	int batt_now = 0;
+	int batt_full = -1;
+	int batt_percent = -1;
+	int batt_current = 1;
+	int batt_voltage = 0;
+	float batt_time = -1;
+	float batt_watts = -1;
+
+
+	// Prepare path
+	batpathlen = sizeof(POWER_BASEDIR) - 1 + strlen(batname);
+	if (batpathlen + 1 + sizeof("/energy_full") >= sizeof(batpath))
+	{
+		statusError("status_battery",
+			"batpath buffer too small",
+			batname);
+		return;
+	}
+	strcpy(batpath, POWER_BASEDIR);
+	strcat(batpath, batname);
+
+
+	// Get info
+	strcpy(&batpath[batpathlen], "/energy_now");
+	stlen = fileRead(stline, sizeof(stline), batpath);
+	if (stlen > 0)
+		batt_now = atoi(stline);
+
+	strcpy(&batpath[batpathlen], "/energy_full");
+	stlen = fileRead(stline, sizeof(stline), batpath);
+	if (stlen > 0)
+		batt_full = atoi(stline);
+
+	strcpy(&batpath[batpathlen], "/current_now");
+	stlen = fileRead(stline, sizeof(stline), batpath);
+	if (stlen > 0)
+		batt_current = atoi(stline);
+
+	strcpy(&batpath[batpathlen], "/voltage_now");
+	stlen = fileRead(stline, sizeof(stline), batpath);
+	if (stlen > 0)
+		batt_voltage = atoi(stline);
+
+
+	// Prettyprint
+	if (batt_full > 0)
+		batt_percent = batt_now / (batt_full / 100);
+
+	if (batt_percent <= 40) // 40
+	{
+		if (batt_percent <= 25) // 25
+		{
+			if (batt_percent <= 10) // 10
+				fputs("^fg(red)", stdout);
+			else // 11-25%
+				fputs("^fg(orange)", stdout);
+		}
+		else // 26-40%
+			fputs("^fg(yellow)", stdout);
+	}
+	else
+	{
+		if (batt_percent > 70) // 70
+			fputs("^fg(white)", stdout);
+		else // 41-70%
+			fputs("^fg(green)", stdout);
+	}
+
+	batt_time = (float)batt_now / (float)batt_current;
+	batt_watts = ((float)batt_voltage / 1000000) * ((float)batt_current / 10000000);
+
+	if (batt_watts == 0)	// fully charged and not in use
+		printf(" %s: %d%% _ _ ", batname, batt_percent);
+	else
+		printf(" %s: %d%% %.1fh %.1fW ",
+			batname, batt_percent, batt_time, batt_watts);
+}