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Add a timeout to SPIWaitWriteEnd

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Solves the WarioWare issue
This commit is contained in:
Balint Kovacs 2019-07-10 01:49:56 +02:00 committed by d0k3
parent 556c75c337
commit fd48c95deb
1 changed files with 3 additions and 0 deletions
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3
arm9/source/gamecart/spi.c
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@ -18,6 +18,7 @@
#include "spi.h" #include "spi.h"
#include "spicard.h" #include "spicard.h"
#include "timer.h"
#include "ui.h" #include "ui.h"
// Deliberately written in C! (except for a few lines) // Deliberately written in C! (except for a few lines)
@ -44,10 +45,12 @@ int SPIWriteRead(CardType type, void* cmd, u32 cmdSize, void* answer, u32 answer
int SPIWaitWriteEnd(CardType type) { int SPIWaitWriteEnd(CardType type) {
u8 cmd = SPI_CMD_RDSR, statusReg = 0; u8 cmd = SPI_CMD_RDSR, statusReg = 0;
int res = 0; int res = 0;
u64 time_start = timer_start();
do{ do{
res = SPIWriteRead(type, &cmd, 1, &statusReg, 1, 0, 0); res = SPIWriteRead(type, &cmd, 1, &statusReg, 1, 0, 0);
if(res) return res; if(res) return res;
if(timer_msec(time_start) > 1000) return 1;
} while(statusReg & SPI_FLG_WIP); } while(statusReg & SPI_FLG_WIP);
return 0; return 0;