USe new SR16-CustomBMS repo .dbc. Consider changed ssh destination support sftp_expand_path()

https://github.com/spartanracingelectric/SR16-CustomBMS/blob/main/SR-16%20Custom%20BMS.dbc

1 files changed, 113 insertions, 62 deletions

diff --git a/remote_plot.c b/remote_plot.c
index cd3ead3..b5db6d8 100644
--- a/remote_plot.c
+++ b/remote_plot.c
@@ -36,12 +36,12 @@
 
 // max wire unsigned number is 65535
 // max wire signed number maybe is -32768 to 32767
-// voltage max format 7 bytes ,4.9999
-// temp max format 4 bytes ,100
+// voltage max format 7 bytes ,6.5535
+// temp max format 4 bytes ,255
 // timestamp max 10 bytes 1745742182
 // 1 timestamp, 96 voltage, 48 temp, 1 \n
-// 10+96*7+48*4+1=875 bytes
-#define ENTRY_SIZE 875
+// 10+96*7+96*4+1=1067 bytes
+#define ENTRY_SIZE 1067
 // 16 KiB == 16384 bytes
 // https://api.libssh.org/stable/libssh_tutor_sftp.html
 #define MAX_XFER_BUF_SIZE 16384/ENTRY_SIZE*ENTRY_SIZE
@@ -92,8 +92,8 @@ const char *checkbutton_names[]={
 	"0x63a_BMS_M4_Cell_7_Voltage",
 	"0x63a_BMS_M4_Cell_8_Voltage",
 	"0x63b_BMS_M4_Cell_9_Voltage",
-	"0x63b_BMS_M4_Cell_11_Voltage",
 	"0x63b_BMS_M4_Cell_10_Voltage",
+	"0x63b_BMS_M4_Cell_11_Voltage",
 	"0x63b_BMS_M4_Cell_12_Voltage",
 	"0x63c_BMS_M5_Cell_1_Voltage",
 	"0x63c_BMS_M5_Cell_2_Voltage",
@@ -143,54 +143,102 @@ const char *checkbutton_names[]={
 	"0x647_BMS_M8_Cell_10_Voltage",
 	"0x647_BMS_M8_Cell_11_Voltage",
 	"0x647_BMS_M8_Cell_12_Voltage",
-	"0x680_BMS_M1_Cell_1_Temperature",
-	"0x680_BMS_M1_Cell_2_Temperature",
-	"0x680_BMS_M1_Cell_3_Temperature",
-	"0x680_BMS_M1_Cell_4_Temperature",
-	"0x681_BMS_M1_Cell_5_Temperature",
-	"0x681_BMS_M1_Cell_6_Temperature",
-	"0x681_BMS_M1_Cell_7_Temperature",
-	"0x681_BMS_M1_Cell_8_Temperature",
-	"0x682_BMS_M1_Cell_9_Temperature",
-	"0x682_BMS_M1_Cell_10_Temperature",
-	"0x682_BMS_M1_Cell_11_Temperature",
-	"0x682_BMS_M1_Cell_12_Temperature",
-	"0x683_BMS_M2_Cell_1_Temperature",
-	"0x683_BMS_M2_Cell_2_Temperature",
-	"0x683_BMS_M2_Cell_3_Temperature",
-	"0x683_BMS_M2_Cell_4_Temperature",
-	"0x684_BMS_M2_Cell_5_Temperature",
-	"0x684_BMS_M2_Cell_6_Temperature",
-	"0x684_BMS_M2_Cell_7_Temperature",
-	"0x684_BMS_M2_Cell_8_Temperature",
-	"0x685_BMS_M2_Cell_9_Temperature",
-	"0x685_BMS_M2_Cell_10_Temperature",
-	"0x685_BMS_M2_Cell_11_Temperature",
-	"0x685_BMS_M2_Cell_12_Temperature",
-	"0x686_BMS_M3_Cell_1_Temperature",
-	"0x686_BMS_M3_Cell_2_Temperature",
-	"0x686_BMS_M3_Cell_3_Temperature",
-	"0x686_BMS_M3_Cell_4_Temperature",
-	"0x687_BMS_M3_Cell_5_Temperature",
-	"0x687_BMS_M3_Cell_6_Temperature",
-	"0x687_BMS_M3_Cell_7_Temperature",
-	"0x687_BMS_M3_Cell_8_Temperature",
-	"0x688_BMS_M3_Cell_9_Temperature",
-	"0x688_BMS_M3_Cell_10_Temperature",
-	"0x688_BMS_M3_Cell_11_Temperature",
-	"0x688_BMS_M3_Cell_12_Temperature",
-	"0x689_BMS_M4_Cell_1_Temperature",
-	"0x689_BMS_M4_Cell_2_Temperature",
-	"0x689_BMS_M4_Cell_3_Temperature",
-	"0x689_BMS_M4_Cell_4_Temperature",
-	"0x68a_BMS_M4_Cell_5_Temperature",
-	"0x68a_BMS_M4_Cell_6_Temperature",
-	"0x68a_BMS_M4_Cell_7_Temperature",
-	"0x68a_BMS_M4_Cell_8_Temperature",
-	"0x68b_BMS_M4_Cell_9_Temperature",
-	"0x68b_BMS_M4_Cell_10_Temperature",
-	"0x68b_BMS_M4_Cell_11_Temperature",
-	"0x68b_BMS_M4_Cell_12_Temperature"
+	"0x680_BMS_M1_Cell_1_Thermistor",
+	"0x680_BMS_M1_Cell_2_Thermistor",
+	"0x680_BMS_M1_Cell_3_Thermistor",
+	"0x680_BMS_M1_Cell_4_Thermistor",
+	"0x680_BMS_M1_Cell_5_Thermistor",
+	"0x680_BMS_M1_Cell_6_Thermistor",
+	"0x680_BMS_M1_Cell_7_Thermistor",
+	"0x680_BMS_M1_Cell_8_Thermistor",
+	"0x681_BMS_M1_Cell_9_Thermistor",
+	"0x681_BMS_M1_Cell_10_Thermistor",
+	"0x681_BMS_M1_Cell_11_Thermistor",
+	"0x681_BMS_M1_Cell_12_Thermistor",
+	"0x682_BMS_M2_Cell_1_Thermistor",
+	"0x682_BMS_M2_Cell_2_Thermistor",
+	"0x682_BMS_M2_Cell_3_Thermistor",
+	"0x682_BMS_M2_Cell_4_Thermistor",
+	"0x682_BMS_M2_Cell_5_Thermistor",
+	"0x682_BMS_M2_Cell_6_Thermistor",
+	"0x682_BMS_M2_Cell_7_Thermistor",
+	"0x682_BMS_M2_Cell_8_Thermistor",
+	"0x683_BMS_M2_Cell_9_Thermistor",
+	"0x683_BMS_M2_Cell_10_Thermistor",
+	"0x683_BMS_M2_Cell_11_Thermistor",
+	"0x683_BMS_M2_Cell_12_Thermistor",
+	"0x684_BMS_M3_Cell_1_Thermistor",
+	"0x684_BMS_M3_Cell_2_Thermistor",
+	"0x684_BMS_M3_Cell_3_Thermistor",
+	"0x684_BMS_M3_Cell_4_Thermistor",
+	"0x684_BMS_M3_Cell_5_Thermistor",
+	"0x684_BMS_M3_Cell_6_Thermistor",
+	"0x684_BMS_M3_Cell_7_Thermistor",
+	"0x684_BMS_M3_Cell_8_Thermistor",
+	"0x685_BMS_M3_Cell_9_Thermistor",
+	"0x685_BMS_M3_Cell_10_Thermistor",
+	"0x685_BMS_M3_Cell_11_Thermistor",
+	"0x685_BMS_M3_Cell_12_Thermistor",
+	"0x686_BMS_M4_Cell_1_Thermistor",
+	"0x686_BMS_M4_Cell_2_Thermistor",
+	"0x686_BMS_M4_Cell_3_Thermistor",
+	"0x686_BMS_M4_Cell_4_Thermistor",
+	"0x686_BMS_M4_Cell_5_Thermistor",
+	"0x686_BMS_M4_Cell_6_Thermistor",
+	"0x686_BMS_M4_Cell_7_Thermistor",
+	"0x686_BMS_M4_Cell_8_Thermistor",
+	"0x687_BMS_M4_Cell_9_Thermistor",
+	"0x687_BMS_M4_Cell_10_Thermistor",
+	"0x687_BMS_M4_Cell_11_Thermistor",
+	"0x687_BMS_M4_Cell_12_Thermistor",
+	"0x688_BMS_M5_Cell_1_Thermistor",
+	"0x688_BMS_M5_Cell_2_Thermistor",
+	"0x688_BMS_M5_Cell_3_Thermistor",
+	"0x688_BMS_M5_Cell_4_Thermistor",
+	"0x688_BMS_M5_Cell_5_Thermistor",
+	"0x688_BMS_M5_Cell_6_Thermistor",
+	"0x688_BMS_M5_Cell_7_Thermistor",
+	"0x688_BMS_M5_Cell_8_Thermistor",
+	"0x689_BMS_M5_Cell_9_Thermistor",
+	"0x689_BMS_M5_Cell_10_Thermistor",
+	"0x689_BMS_M5_Cell_11_Thermistor",
+	"0x689_BMS_M5_Cell_12_Thermistor",
+	"0x68a_BMS_M6_Cell_1_Thermistor",
+	"0x68a_BMS_M6_Cell_2_Thermistor",
+	"0x68a_BMS_M6_Cell_3_Thermistor",
+	"0x68a_BMS_M6_Cell_4_Thermistor",
+	"0x68a_BMS_M6_Cell_5_Thermistor",
+	"0x68a_BMS_M6_Cell_6_Thermistor",
+	"0x68a_BMS_M6_Cell_7_Thermistor",
+	"0x68a_BMS_M6_Cell_8_Thermistor",
+	"0x68b_BMS_M6_Cell_9_Thermistor",
+	"0x68b_BMS_M6_Cell_10_Thermistor",
+	"0x68b_BMS_M6_Cell_11_Thermistor",
+	"0x68b_BMS_M6_Cell_12_Thermistor",
+	"0x68c_BMS_M7_Cell_1_Thermistor",
+	"0x68c_BMS_M7_Cell_2_Thermistor",
+	"0x68c_BMS_M7_Cell_3_Thermistor",
+	"0x68c_BMS_M7_Cell_4_Thermistor",
+	"0x68c_BMS_M7_Cell_5_Thermistor",
+	"0x68c_BMS_M7_Cell_6_Thermistor",
+	"0x68c_BMS_M7_Cell_7_Thermistor",
+	"0x68c_BMS_M7_Cell_8_Thermistor",
+	"0x68d_BMS_M7_Cell_9_Thermistor",
+	"0x68d_BMS_M7_Cell_10_Thermistor",
+	"0x68d_BMS_M7_Cell_11_Thermistor",
+	"0x68d_BMS_M7_Cell_12_Thermistor",
+	"0x68e_BMS_M8_Cell_1_Thermistor",
+	"0x68e_BMS_M8_Cell_2_Thermistor",
+	"0x68e_BMS_M8_Cell_3_Thermistor",
+	"0x68e_BMS_M8_Cell_4_Thermistor",
+	"0x68e_BMS_M8_Cell_5_Thermistor",
+	"0x68e_BMS_M8_Cell_6_Thermistor",
+	"0x68e_BMS_M8_Cell_7_Thermistor",
+	"0x68e_BMS_M8_Cell_8_Thermistor",
+	"0x68f_BMS_M8_Cell_9_Thermistor",
+	"0x68f_BMS_M8_Cell_10_Thermistor",
+	"0x68f_BMS_M8_Cell_11_Thermistor",
+	"0x68f_BMS_M8_Cell_12_Thermistor"
 };
 
 typedef struct {
@@ -213,6 +261,7 @@ typedef struct {
 	char *filename;
 	// only read from local .csv file or not
 	bool local;
+	bool dest_changed;
 }DATA;
 
 static gboolean read_data(gpointer user_data)
@@ -236,7 +285,7 @@ static gboolean read_data(gpointer user_data)
 			{
 				//printf("start read_data local for loop\n");
 				Item temp;
-				int ct=fscanf(fp,"%u,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%hu,%hu,%hu,%hu,%hu,%hu,%hu,%hu,%hu,%hu,%hu,%hu,%hu,%hu,%hu,%hu,%hu,%hu,%hu,%hu,%hu,%hu,%hu,%hu,%hu,%hu,%hu,%hu,%hu,%hu,%hu,%hu,%hu,%hu,%hu,%hu,%hu,%hu,%hu,%hu,%hu,%hu,%hu,%hu,%hu,%hu,%hu,%hu",&temp.t,&temp.volt[0],&temp.volt[1],&temp.volt[2],&temp.volt[3],&temp.volt[4],&temp.volt[5],&temp.volt[6],&temp.volt[7],&temp.volt[8],&temp.volt[9],&temp.volt[10],&temp.volt[11],&temp.volt[12],&temp.volt[13],&temp.volt[14],&temp.volt[15],&temp.volt[16],&temp.volt[17],&temp.volt[18],&temp.volt[19],&temp.volt[20],&temp.volt[21],&temp.volt[22],&temp.volt[23],&temp.volt[24],&temp.volt[25],&temp.volt[26],&temp.volt[27],&temp.volt[28],&temp.volt[29],&temp.volt[30],&temp.volt[31],&temp.volt[32],&temp.volt[33],&temp.volt[34],&temp.volt[35],&temp.volt[36],&temp.volt[37],&temp.volt[38],&temp.volt[39],&temp.volt[40],&temp.volt[41],&temp.volt[42],&temp.volt[43],&temp.volt[44],&temp.volt[45],&temp.volt[46],&temp.volt[47],&temp.volt[48],&temp.volt[49],&temp.volt[50],&temp.volt[51],&temp.volt[52],&temp.volt[53],&temp.volt[54],&temp.volt[55],&temp.volt[56],&temp.volt[57],&temp.volt[58],&temp.volt[59],&temp.volt[60],&temp.volt[61],&temp.volt[62],&temp.volt[63],&temp.volt[64],&temp.volt[65],&temp.volt[66],&temp.volt[67],&temp.volt[68],&temp.volt[69],&temp.volt[70],&temp.volt[71],&temp.volt[72],&temp.volt[73],&temp.volt[74],&temp.volt[75],&temp.volt[76],&temp.volt[77],&temp.volt[78],&temp.volt[79],&temp.volt[80],&temp.volt[81],&temp.volt[82],&temp.volt[83],&temp.volt[84],&temp.volt[85],&temp.volt[86],&temp.volt[87],&temp.volt[88],&temp.volt[89],&temp.volt[90],&temp.volt[91],&temp.volt[92],&temp.volt[93],&temp.volt[94],&temp.volt[95],&temp.temp[0],&temp.temp[1],&temp.temp[2],&temp.temp[3],&temp.temp[4],&temp.temp[5],&temp.temp[6],&temp.temp[7],&temp.temp[8],&temp.temp[9],&temp.temp[10],&temp.temp[11],&temp.temp[12],&temp.temp[13],&temp.temp[14],&temp.temp[15],&temp.temp[16],&temp.temp[17],&temp.temp[18],&temp.temp[19],&temp.temp[20],&temp.temp[21],&temp.temp[22],&temp.temp[23],&temp.temp[24],&temp.temp[25],&temp.temp[26],&temp.temp[27],&temp.temp[28],&temp.temp[29],&temp.temp[30],&temp.temp[31],&temp.temp[32],&temp.temp[33],&temp.temp[34],&temp.temp[35],&temp.temp[36],&temp.temp[37],&temp.temp[38],&temp.temp[39],&temp.temp[40],&temp.temp[41],&temp.temp[42],&temp.temp[43],&temp.temp[44],&temp.temp[45],&temp.temp[46],&temp.temp[47]);
+				int ct=fscanf(fp,"%u,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%lf,%hhu,%hhu,%hhu,%hhu,%hhu,%hhu,%hhu,%hhu,%hhu,%hhu,%hhu,%hhu,%hhu,%hhu,%hhu,%hhu,%hhu,%hhu,%hhu,%hhu,%hhu,%hhu,%hhu,%hhu,%hhu,%hhu,%hhu,%hhu,%hhu,%hhu,%hhu,%hhu,%hhu,%hhu,%hhu,%hhu,%hhu,%hhu,%hhu,%hhu,%hhu,%hhu,%hhu,%hhu,%hhu,%hhu,%hhu,%hhu,%hhu,%hhu,%hhu,%hhu,%hhu,%hhu,%hhu,%hhu,%hhu,%hhu,%hhu,%hhu,%hhu,%hhu,%hhu,%hhu,%hhu,%hhu,%hhu,%hhu,%hhu,%hhu,%hhu,%hhu,%hhu,%hhu,%hhu,%hhu,%hhu,%hhu,%hhu,%hhu,%hhu,%hhu,%hhu,%hhu,%hhu,%hhu,%hhu,%hhu,%hhu,%hhu,%hhu,%hhu,%hhu,%hhu,%hhu,%hhu",&temp.t,&temp.volt[0],&temp.volt[1],&temp.volt[2],&temp.volt[3],&temp.volt[4],&temp.volt[5],&temp.volt[6],&temp.volt[7],&temp.volt[8],&temp.volt[9],&temp.volt[10],&temp.volt[11],&temp.volt[12],&temp.volt[13],&temp.volt[14],&temp.volt[15],&temp.volt[16],&temp.volt[17],&temp.volt[18],&temp.volt[19],&temp.volt[20],&temp.volt[21],&temp.volt[22],&temp.volt[23],&temp.volt[24],&temp.volt[25],&temp.volt[26],&temp.volt[27],&temp.volt[28],&temp.volt[29],&temp.volt[30],&temp.volt[31],&temp.volt[32],&temp.volt[33],&temp.volt[34],&temp.volt[35],&temp.volt[36],&temp.volt[37],&temp.volt[38],&temp.volt[39],&temp.volt[40],&temp.volt[41],&temp.volt[42],&temp.volt[43],&temp.volt[44],&temp.volt[45],&temp.volt[46],&temp.volt[47],&temp.volt[48],&temp.volt[49],&temp.volt[50],&temp.volt[51],&temp.volt[52],&temp.volt[53],&temp.volt[54],&temp.volt[55],&temp.volt[56],&temp.volt[57],&temp.volt[58],&temp.volt[59],&temp.volt[60],&temp.volt[61],&temp.volt[62],&temp.volt[63],&temp.volt[64],&temp.volt[65],&temp.volt[66],&temp.volt[67],&temp.volt[68],&temp.volt[69],&temp.volt[70],&temp.volt[71],&temp.volt[72],&temp.volt[73],&temp.volt[74],&temp.volt[75],&temp.volt[76],&temp.volt[77],&temp.volt[78],&temp.volt[79],&temp.volt[80],&temp.volt[81],&temp.volt[82],&temp.volt[83],&temp.volt[84],&temp.volt[85],&temp.volt[86],&temp.volt[87],&temp.volt[88],&temp.volt[89],&temp.volt[90],&temp.volt[91],&temp.volt[92],&temp.volt[93],&temp.volt[94],&temp.volt[95],&temp.temp[0],&temp.temp[1],&temp.temp[2],&temp.temp[3],&temp.temp[4],&temp.temp[5],&temp.temp[6],&temp.temp[7],&temp.temp[8],&temp.temp[9],&temp.temp[10],&temp.temp[11],&temp.temp[12],&temp.temp[13],&temp.temp[14],&temp.temp[15],&temp.temp[16],&temp.temp[17],&temp.temp[18],&temp.temp[19],&temp.temp[20],&temp.temp[21],&temp.temp[22],&temp.temp[23],&temp.temp[24],&temp.temp[25],&temp.temp[26],&temp.temp[27],&temp.temp[28],&temp.temp[29],&temp.temp[30],&temp.temp[31],&temp.temp[32],&temp.temp[33],&temp.temp[34],&temp.temp[35],&temp.temp[36],&temp.temp[37],&temp.temp[38],&temp.temp[39],&temp.temp[40],&temp.temp[41],&temp.temp[42],&temp.temp[43],&temp.temp[44],&temp.temp[45],&temp.temp[46],&temp.temp[47],&temp.temp[48],&temp.temp[49],&temp.temp[50],&temp.temp[51],&temp.temp[52],&temp.temp[53],&temp.temp[54],&temp.temp[55],&temp.temp[56],&temp.temp[57],&temp.temp[58],&temp.temp[59],&temp.temp[60],&temp.temp[61],&temp.temp[62],&temp.temp[63],&temp.temp[64],&temp.temp[65],&temp.temp[66],&temp.temp[67],&temp.temp[68],&temp.temp[69],&temp.temp[70],&temp.temp[71],&temp.temp[72],&temp.temp[73],&temp.temp[74],&temp.temp[75],&temp.temp[76],&temp.temp[77],&temp.temp[78],&temp.temp[79],&temp.temp[80],&temp.temp[81],&temp.temp[82],&temp.temp[83],&temp.temp[84],&temp.temp[85],&temp.temp[86],&temp.temp[87],&temp.temp[88],&temp.temp[89],&temp.temp[90],&temp.temp[91],&temp.temp[92],&temp.temp[93],&temp.temp[94],&temp.temp[95]);
 				if(ct == EOF)
 					break;
 				else if(ct<(VOLTLEN+TEMPLEN+1))
@@ -276,8 +325,10 @@ static gboolean read_data(gpointer user_data)
 		// Let's try a random walk process
 
 		// old libssh seems does not have sftp_expand_path
-		//file = sftp_open(data->sftp, sftp_expand_path(data->sftp,"~/.local/share/mycan.csv"), access_type, 0);
-		file = sftp_open(data->sftp, "/home/Spartan_Racing_Charger/.local/share/mycan.csv", access_type, 0);
+		if(data->dest_changed)
+			file = sftp_open(data->sftp, sftp_expand_path(data->sftp,"~/.local/share/mycan.csv"), access_type, 0);
+		else
+			file = sftp_open(data->sftp, "/home/Spartan_Racing_Charger/.local/share/mycan.csv", access_type, 0);
 		if (file == NULL) {
 			fprintf(stderr, "Can't open file for reading: %s\n",
 					ssh_get_error(data->session));
@@ -343,7 +394,7 @@ static gboolean read_data(gpointer user_data)
 				for(int j=0;j<VOLTLEN;j++)
 					fprintf(fp,",%6.4f",temp.volt[j]);
 				for(int j=0;j<TEMPLEN;j++)
-					fprintf(fp,",%3hu",temp.temp[j]);
+					fprintf(fp,",%3hhu",temp.temp[j]);
 				fprintf(fp,"\n");
 				fclose(fp);
 			}
@@ -553,13 +604,13 @@ static void draw_function (GtkDrawingArea *area,
 		{
 			// according to .dbc file
 			ymin=0;
-			ymax=6.;
+			ymax=6.5535;
 		}
 		else
 		{
 			// according to .dbc file
-			ymin=-50;
-			ymax=100;
+			ymin=0;
+			ymax=255;
 		}
 
 		// Create a labelled box to hold the plot.
@@ -600,7 +651,7 @@ static void print_data (GtkWidget *widget, gpointer user_data)
 	for(int i=0;i<VOLTLEN;i++)
 		printf(",%6.4f",data->cans.end->item.volt[i]);
 	for(int i=0;i<TEMPLEN;i++)
-		printf(",%3hu",data->cans.end->item.temp[i]);
+		printf(",%3hhu",data->cans.end->item.temp[i]);
 	putchar('\n');
 }
 
@@ -732,7 +783,7 @@ static int command_line (GApplication *app, GApplicationCommandLine *cmdline, gp
 	char *dest="Spartan_Racing_Charger@10.0.0.9";
 	// https://docs.gtk.org/glib/gvariant-format-strings.html#pointers
 	// &s copy the pointer
-	g_variant_dict_lookup (options, "destination", "&s", &dest);
+	data->dest_changed = g_variant_dict_lookup (options, "destination", "&s", &dest);
 	g_variant_dict_lookup (options, "local", "b", &data->local);
 
 	if(!(data->local))