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Tune the timing for the readDataLoop with the latest toolchain.
This commit is contained in:
Glenn Anderson 2022-03-19 12:04:57 -07:00
parent dd87235fc0
commit e0653d6647
2 changed files with 2 additions and 2 deletions
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2
platformio.ini
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@ -17,7 +17,7 @@ upload_protocol = stlink
; 1.80201.181220 ; 921kb/sec
; 1.90201.191206 ; 912kb/sec
; 1.90301.200702 ; default - 955kb/sec
platform_packages = toolchain-gccarmnoneeabi@1.60301.0
platform_packages = toolchain-gccarmnoneeabi
build_unflags =
-Os

2
src/BlueSCSI.cpp
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@ -878,7 +878,7 @@ void readDataLoop(uint32_t blockSize)
REQ_OFF();
*dstptr++ = ~(ret >> 8);
// Move wait loop in to a single 8 byte prefetch buffer
asm("nop.w");
asm("nop.w;nop");
WAIT_ACK_INACTIVE();
REQ_ON();
// Extra 1 cycle delay