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Remove delays on I2C reads

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... strangely seems to fix NDS cart inits
This commit is contained in:
d0k3 2017-07-04 21:06:12 +02:00
parent b9eea8e92b
commit 102ad45905
1 changed files with 2 additions and 6 deletions
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8
source/common/i2c.c
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@ -88,7 +88,6 @@ u8 i2cReadRegister(u8 dev_id, u8 reg) {
i2cWaitBusy(bus_id); i2cWaitBusy(bus_id);
i2cStop(bus_id, 1); i2cStop(bus_id, 1);
i2cWaitBusy(bus_id); i2cWaitBusy(bus_id);
wait_msec(3ULL);
return *i2cGetDataReg(bus_id); return *i2cGetDataReg(bus_id);
} }
} }
@ -96,7 +95,6 @@ u8 i2cReadRegister(u8 dev_id, u8 reg) {
i2cWaitBusy(bus_id); i2cWaitBusy(bus_id);
} }
wait_msec(3ULL);
return 0xff; return 0xff;
} }
@ -112,11 +110,9 @@ bool i2cReadRegisterBuffer(unsigned int dev_id, int reg, u8* buffer, size_t buf_
i2cWaitBusy(bus_id); i2cWaitBusy(bus_id);
*i2cGetCntReg(bus_id) = 0xC5; *i2cGetCntReg(bus_id) = 0xC5;
i2cWaitBusy(bus_id); i2cWaitBusy(bus_id);
if (++j >= 8) { if (++j >= 8)
wait_msec(3ULL);
return false; return false;
} }
}
if (buf_size != 1) { if (buf_size != 1) {
for (size_t i = 0; i < buf_size - 1; i++) { for (size_t i = 0; i < buf_size - 1; i++) {
@ -132,7 +128,6 @@ bool i2cReadRegisterBuffer(unsigned int dev_id, int reg, u8* buffer, size_t buf_
i2cWaitBusy(bus_id); i2cWaitBusy(bus_id);
buffer[buf_size - 1] = *i2cGetDataReg(bus_id); buffer[buf_size - 1] = *i2cGetDataReg(bus_id);
wait_msec(3ULL);
return true; return true;
} }
@ -140,6 +135,7 @@ bool i2cWriteRegister(u8 dev_id, u8 reg, u8 data) {
u8 bus_id = i2cGetDeviceBusId(dev_id); u8 bus_id = i2cGetDeviceBusId(dev_id);
u8 dev_addr = i2cGetDeviceRegAddr(dev_id); u8 dev_addr = i2cGetDeviceRegAddr(dev_id);
wait_msec(3ULL);
for (int i = 0; i < 8; i++) { for (int i = 0; i < 8; i++) {
if (i2cSelectDevice(bus_id, dev_addr) && i2cSelectRegister(bus_id, reg)) { if (i2cSelectDevice(bus_id, dev_addr) && i2cSelectRegister(bus_id, reg)) {
i2cWaitBusy(bus_id); i2cWaitBusy(bus_id);