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Fix(?) for readID returning 0

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Phillip Burgess
2013-03-17 21:10:48 -07:00
parent e4b0fa892d
commit b229812d29
1 changed files with 6 additions and 5 deletions
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Adafruit_TFTLCD.cpp
+6 -5
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@@ -737,13 +737,14 @@ uint16_t Adafruit_TFTLCD::readID(void) {
CS_ACTIVE;
CD_COMMAND;
write8(0x00);
WR_STROBE; // Extra strobe because high, low bytes are the same
write8(0x00);
setReadDir(); // Set up LCD data port(s) for READ operations
CD_DATA;
id = read8(); // Do not merge or otherwise simplify
id <<= 8; // these lines. It's an unfortunate
delayMicroseconds(1); // artifact of the macro substitution
id |= read8(); // shenanigans that are going on.
delayMicroseconds(10);
id = read8(); // Do not merge or otherwise simplify
id <<= 8; // these lines. It's an unfortunate
delayMicroseconds(10); // artifact of the macro substitution
id |= read8(); // shenanigans that are going on.
CS_IDLE;
setWriteDir(); // Restore LCD data port(s) to WRITE configuration