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sketch: reduced static memory allocation

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ole00 2023-03-21 20:07:52 +00:00
parent 45eb04de80
commit 1dc2836125
1 changed files with 31 additions and 15 deletions
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42
afterburner.ino
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@ -174,7 +174,6 @@ static struct
{
GALTYPE type;
unsigned char id0,id1; /* variant 1, variant 2 (eg. 16V8=0x00, 16V8A+=0x1A)*/
const char *name; /* pointer to chip name */
short fuses; /* total number of fuses */
char pins; /* number of pins on chip */
char rows; /* number of fuse rows */
@ -183,10 +182,10 @@ static struct
short uesfuse; /* first UES fuse number */
char uesbytes; /* number of UES bytes */
char eraserow; /* row adddeess for erase */
char eraseallrow; /* row address for erase all */
char eraseallrow; /* row address for erase all (also PES) */
char pesrow; /* row address for PES read/write */
char pesbytes; /* number of PES bytes */
char cfgrow; /* row address of config bits */
char cfgrow; /* row address of config bits (ACW) */
unsigned short cfgbase; /* base address of the config bit numbers */
const unsigned char *cfg; /* pointer to config bit numbers */
unsigned char cfgbits; /* number of config bits */
@ -196,15 +195,15 @@ galinfo[]=
{
// + fuses + bits +uesbytes +pesrow +cfgbase
// | +pins | +uesrow | +eraserow| +pesbytes | +cfg
// +-- type + id0 + id1 +- name | | +rows | | +uesfuse | +eraseallrow +cfgrow | | + cfgbits +cfgmethod
// | | | | | | | | | | | | | | | | | | | |
{UNKNOWN, 0x00, 0x00, "unknown", 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 8, 0, 0, NULL, 0 , 0},
{GAL16V8, 0x00, 0x1A, "GAL16V8", 2194, 20, 32, 64, 32, 2056, 8, 63, 54, 58, 8, 60, CFG_BASE_16, cfgV8AB, sizeof(cfgV8AB), CFG_STROBE_ROW},
{GAL20V8, 0x20, 0x3A, "GAL20V8", 2706, 24, 40, 64, 40, 2568, 8, 63, 59, 58, 8, 60, CFG_BASE_20, cfgV8AB, sizeof(cfgV8AB), CFG_STROBE_ROW},
{GAL22V10, 0x48, 0x49, "GAL22V10", 5892, 24, 44, 132, 44, 5828, 8, 61, 60, 58, 10, 16, CFG_BASE_22, cfgV10, sizeof(cfgV10) , CFG_SET_ROW },
{ATF16V8B, 0x00, 0x00, "ATF16V8B", 2194, 20, 32, 64, 32, 2056, 8, 63, 54, 58, 8, 60, CFG_BASE_16, cfgV8AB, sizeof(cfgV8AB), CFG_STROBE_ROW},
{ATF22V10B, 0x00, 0x00, "ATF22V10B",5892, 24, 44, 132, 44, 5828, 8, 61, 60, 58, 10, 16, CFG_BASE_22, cfgV10, sizeof(cfgV10) , CFG_SET_ROW },
{ATF22V10C, 0x00, 0x00, "ATF22V10C",5892, 24, 44, 132, 44, 5828, 8, 61, 60, 58, 10, 16, CFG_BASE_22, cfgV10, sizeof(cfgV10) , CFG_SET_ROW },
// +-- type + id0 + id1 | | +rows | | +uesfuse | +eraseallrow +cfgrow | | + cfgbits +cfgmethod
// | | | | | | | | | | | | | | | | | | |
{UNKNOWN, 0x00, 0x00, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 8, 0, 0, NULL, 0 , 0},
{GAL16V8, 0x00, 0x1A, 2194, 20, 32, 64, 32, 2056, 8, 63, 54, 58, 8, 60, CFG_BASE_16, cfgV8AB, sizeof(cfgV8AB), CFG_STROBE_ROW},
{GAL20V8, 0x20, 0x3A, 2706, 24, 40, 64, 40, 2568, 8, 63, 59, 58, 8, 60, CFG_BASE_20, cfgV8AB, sizeof(cfgV8AB), CFG_STROBE_ROW},
{GAL22V10, 0x48, 0x49, 5892, 24, 44, 132, 44, 5828, 8, 61, 60, 58, 10, 16, CFG_BASE_22, cfgV10, sizeof(cfgV10) , CFG_SET_ROW },
{ATF16V8B, 0x00, 0x00, 2194, 20, 32, 64, 32, 2056, 8, 63, 54, 58, 8, 60, CFG_BASE_16, cfgV8AB, sizeof(cfgV8AB), CFG_STROBE_ROW},
{ATF22V10B, 0x00, 0x00, 5892, 24, 44, 132, 44, 5828, 8, 61, 60, 58, 10, 16, CFG_BASE_22, cfgV10, sizeof(cfgV10) , CFG_SET_ROW },
{ATF22V10C, 0x00, 0x00, 5892, 24, 44, 132, 44, 5828, 8, 61, 60, 58, 10, 16, CFG_BASE_22, cfgV10, sizeof(cfgV10) , CFG_SET_ROW },
};
// MAXFUSES calculated as the biggest required space to hold the fuse bitmap + UES bitmap + CFG bitmap
@ -1354,6 +1353,23 @@ static unsigned short checkSum(unsigned short n)
return (unsigned short)((c >> (8 - e)) + a);
}
static void printGalName() {
switch (gal) {
case GAL16V8: Serial.println(F("GAL16V8")); break;
case GAL20V8: Serial.println(F("GAL20V8")); break;
case GAL22V10: Serial.println(F("GAL22V10")); break;
case ATF16V8B:
if (flagBits & FLAG_BIT_ATF16V8C) {
Serial.println(F("ATF16V8C"));
} else {
Serial.println(F("ATF16V8B"));
}
break;
case ATF22V10B: Serial.println(F("ATF22V10B")); break;
case ATF22V10C: Serial.println(F("ATF22V10C")); break;
default: Serial.println(F("GAL")); break;
}
}
// prints the contents of fuse-map array in the form of JEDEC text file
static void printJedec()
@ -1362,7 +1378,7 @@ static void printJedec()
unsigned char unused, start;
Serial.print(F("JEDEC file for "));
Serial.println(galinfo[gal].name);
printGalName();
Serial.print(F("*QP")); Serial.print(galinfo[gal].pins, DEC);
Serial.print(F("*QF")); Serial.print(galinfo[gal].fuses, DEC);
Serial.println(F("*QV0*F0*G0*X0*"));