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allow @#n:pin_attr or @#pin_name:pin_attr in spice format string (print_spice_element), in addition to @#n (convergence to translate()

This commit is contained in:
Stefan Schippers 2023-05-22 21:50:14 +02:00
parent 0f1bbd24c8
commit 1774ff4e3a
3 changed files with 84 additions and 11 deletions
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88
src/token.c
View File

@ -1762,7 +1762,6 @@ int print_spice_element(FILE *fd, int inst)
char *template=NULL,*format=NULL, *s, *name=NULL, *token=NULL;
const char *lab, *value = NULL;
/* char *translatedvalue = NULL; */
int pin_number;
size_t sizetok=0;
size_t token_pos=0;
int escape=0;
@ -1987,15 +1986,75 @@ int print_spice_element(FILE *fd, int inst)
}
}
}
/* reference by pin number instead of pin name, allows faster lookup of the attached net name 20180911 */
else if (token[0]=='@' && token[1]=='#') {
pin_number = atoi(token+2);
if (pin_number < no_of_pins) {
/* reference by pin number instead of pin name, allows faster lookup of the attached net name
* @#0, @#1:net_name, @#2:name, ... */
else if(token[0]=='@' && token[1]=='#') {
int n;
char *pin_attr = my_malloc(_ALLOC_ID_, sizetok * sizeof(char));
char *pin_num_or_name = my_malloc(_ALLOC_ID_, sizetok * sizeof(char));
pin_num_or_name[0]='\0';
pin_attr[0]='\0';
n=-1;
sscanf(token+2, "%[^:]:%[^:]", pin_num_or_name, pin_attr);
if(isonlydigit(pin_num_or_name)) {
n = atoi(pin_num_or_name);
}
else if(pin_num_or_name[0]) {
for(n = 0 ; n < (xctx->inst[inst].ptr + xctx->sym)->rects[PINLAYER]; ++n) {
char *prop = (xctx->inst[inst].ptr + xctx->sym)->rect[PINLAYER][n].prop_ptr;
if(!strcmp(get_tok_value(prop,"name",0), pin_num_or_name)) break;
}
}
if(n>=0 && pin_attr[0] && n < (xctx->inst[inst].ptr + xctx->sym)->rects[PINLAYER]) {
char *pin_attr_value = NULL;
int is_net_name = !strcmp(pin_attr, "net_name");
/* get pin_attr value from instance: "pinnumber(ENABLE)=5" --> return 5, attr "pinnumber" of pin "ENABLE"
* "pinnumber(3)=6 --> return 6, attr "pinnumber" of 4th pin */
if(!is_net_name) {
pin_attr_value = get_pin_attr_from_inst(inst, n, pin_attr);
/* get pin_attr from instance pin attribute string */
if(!pin_attr_value) {
my_strdup(_ALLOC_ID_, &pin_attr_value,
get_tok_value((xctx->inst[inst].ptr + xctx->sym)->rect[PINLAYER][n].prop_ptr, pin_attr, 0));
}
}
/* @#n:net_name attribute (n = pin number or name) will translate to net name attached to pin
* if 'net_name=true' attribute is set in instance or symbol */
if(!pin_attr_value && is_net_name) {
prepare_netlist_structs(0);
my_strdup2(_ALLOC_ID_, &pin_attr_value,
xctx->inst[inst].node && xctx->inst[inst].node[n] ? xctx->inst[inst].node[n] : "?");
}
if(!pin_attr_value ) my_strdup(_ALLOC_ID_, &pin_attr_value, "--UNDEF--");
value = pin_attr_value;
/* recognize slotted devices: instname = "U3:3", value = "a:b:c:d" --> value = "c" */
if(value && value[0] != 0 && !strcmp(pin_attr, "pinnumber") ) {
char *ss;
int slot;
char *tmpstr = NULL;
tmpstr = my_malloc(_ALLOC_ID_, sizeof(xctx->inst[inst].instname));
if( (ss=strchr(xctx->inst[inst].instname, ':')) ) {
sscanf(ss+1, "%s", tmpstr);
if(isonlydigit(tmpstr)) {
slot = atoi(tmpstr);
if(strstr(value,":")) value = find_nth(value, ":", slot);
}
}
my_free(_ALLOC_ID_, &tmpstr);
}
tmp=strlen(value);
STR_ALLOC(&result, tmp + result_pos, &size);
memcpy(result+result_pos, value, tmp+1);
result_pos+=tmp;
my_free(_ALLOC_ID_, &pin_attr_value);
}
else if(n>=0 && n < (xctx->inst[inst].ptr + xctx->sym)->rects[PINLAYER]) {
const char *si;
char *prop = (xctx->inst[inst].ptr + xctx->sym)->rect[PINLAYER][pin_number].prop_ptr;
char *prop = (xctx->inst[inst].ptr + xctx->sym)->rect[PINLAYER][n].prop_ptr;
si = get_tok_value(prop, "spice_ignore",0);
if(strcmp(si, "true")) {
str_ptr = net_name(inst,pin_number, &multip, 0, 1);
str_ptr = net_name(inst,n, &multip, 0, 1);
tmp = strlen(str_ptr) +100 ; /* always make room for some extra chars
* so 1-char writes to result do not need reallocs */
@ -2003,6 +2062,8 @@ int print_spice_element(FILE *fd, int inst)
result_pos += my_snprintf(result + result_pos, tmp, "?%d %s ", multip, str_ptr);
}
}
my_free(_ALLOC_ID_, &pin_attr);
my_free(_ALLOC_ID_, &pin_num_or_name);
}
else if (!strncmp(token,"@tcleval", 8)) {
size_t s;
@ -3049,8 +3110,8 @@ const char *translate(int inst, const char* s)
if(strcmp(get_tok_value(prop,"spice_ignore",0), "true")) {
const char *str_ptr = net_name(inst,i, &multip, 0, 0);
tmp = strlen(str_ptr) +100 ;
STR_ALLOC(&result, tmp + result_pos, &size);
result_pos += my_snprintf(result + result_pos, tmp, "%s", str_ptr);
STR_ALLOC(&result, tmp + result_pos, &size);
result_pos += my_snprintf(result + result_pos, tmp, "%s", str_ptr);
}
break;
}
@ -3124,6 +3185,15 @@ const char *translate(int inst, const char* s)
result_pos+=tmp;
my_free(_ALLOC_ID_, &pin_attr_value);
}
else if(n>=0 && n < (xctx->inst[inst].ptr + xctx->sym)->rects[PINLAYER]) {
const char *str_ptr=NULL;
int multip;
str_ptr = net_name(inst,n, &multip, 0, 1);
tmp = strlen(str_ptr) +100 ; /* always make room for some extra chars
* so 1-char writes to result do not need reallocs */
STR_ALLOC(&result, tmp + result_pos, &size);
result_pos += my_snprintf(result + result_pos, tmp, "?%d %s ", multip, str_ptr);
}
my_free(_ALLOC_ID_, &pin_attr);
my_free(_ALLOC_ID_, &pin_num_or_name);
} else if(strcmp(token,"@sch_last_modified")==0) {

4
xschem_library/devices/bus_tap.sym
View File

@ -2,7 +2,8 @@ v {xschem version=3.4.0 file_version=1.2
}
G {}
K {type=show_label
template="name=l1 lab=[0]"}
template="name=l1 lab=[0]"
format="* tap: @#0:net_name --> @#1:net_name"}
V {}
S {}
E {}
@ -10,3 +11,4 @@ L 1 0 0 10 -10 {}
B 5 -0.625 -0.625 0.625 0.625 {name=bus dir=inout}
B 5 9.375 -10.625 10.625 -9.375 {name=tap dir=inout}
T {@lab} 12.5 -12.5 3 0 0.27 0.27 {}
T {@#1:net_name} 31.25 -12.5 3 0 0.15 0.15 {layer=15}

3
xschem_library/examples/test_bus_tap.sch
View File

@ -5,12 +5,13 @@ K {}
V {}
S {}
E {}
P 4 7 740 -320 740 -350 730 -350 740 -380 750 -350 740 -350 740 -320 {fill=true}
P 4 7 740 -320 740 -350 730 -350 740 -377.5 750 -350 740 -350 740 -320 {fill=true}
T {Specifying @lab
will result in net
@#1:net_name} 730 -320 0 0 0.4 0.4 {name=l6 layer=4}
T {Title symbol has embedded TCL command
to enable show_pin_net_names } 180 -110 0 0 0.4 0.4 { layer=7}
T {@#p:net_name} 160 -570 0 0 0.4 0.4 {name=R4}
N 280 -420 1020 -420 {bus=true
lab=DATA[15:0]}
N 500 -610 500 -430 {