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busyCheck29F032 changes to match the datasheet

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This commit is contained in:
jiyunomegami 2020-08-14 19:02:37 +09:00
parent 4c6fb7bd8c
commit 712c4cc83d
1 changed files with 23 additions and 3 deletions
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26
Cart_Reader/FLASH.ino
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@ -962,7 +962,8 @@ void writeFlash29F032() {
} }
} }
void busyCheck29F032(byte c) { int busyCheck29F032(uint32_t addr, byte c) {
int ret = 0;
// Set data pins to input // Set data pins to input
dataIn8(); dataIn8();
@ -972,13 +973,32 @@ void busyCheck29F032(byte c) {
PORTH |= (1 << 4) | (1 << 5); PORTH |= (1 << 4) | (1 << 5);
//When the Embedded Program algorithm is complete, the device outputs the datum programmed to D7 //When the Embedded Program algorithm is complete, the device outputs the datum programmed to D7
while ((PINC & 0x80) != (c & 0x80)) {} for (;;) {
uint8_t d = readByte_Flash(addr);
if ((d & 0x80) == (c & 0x80)) {
break;
}
if ((d & 0x20) == 0x20) {
// From the datasheet:
// DQ 5 will indicate if the program or erase time has exceeded the specified limits (internal pulse count).
// Under these conditions DQ 5 will produce a “1”.
// This is a failure condition which indicates that the program or erase cycle was not successfully completed.
// Note : DQ 7 is rechecked even if DQ 5 = “1” because DQ 7 may change simultaneously with DQ 5 .
if ((d & 0x80) == (c & 0x80)) {
break;
} else {
ret = 1;
break;
}
}
}
// Set data pins to output // Set data pins to output
dataOut(); dataOut();
// Setting OE(PH1) OE_SNS(PH3) HIGH // Setting OE(PH1) OE_SNS(PH3) HIGH
PORTH |= (1 << 1) | (1 << 3); PORTH |= (1 << 1) | (1 << 3);
return ret;
} }
/****************************************** /******************************************
29F1610 flashrom functions 29F1610 flashrom functions
@ -1345,7 +1365,7 @@ void writeFlash29F800() {
writeByte_Flash(0x5555 << 1, 0xa0); writeByte_Flash(0x5555 << 1, 0xa0);
// Write current byte // Write current byte
writeByte_Flash(currByte + c, sdBuffer[c]); writeByte_Flash(currByte + c, sdBuffer[c]);
busyCheck29F032(sdBuffer[c]); busyCheck29F032(currByte + c, sdBuffer[c]);
} }
} }