X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/f1b6ddb7107fd9534cc6a8d6ab2d46f349d9cdb7..d4684b29b9a3a4b45b6422d0f1cf6c79639c84c8:/Projects/AVRISP-MKII/Lib/XPROG/TINYNVM.c diff --git a/Projects/AVRISP-MKII/Lib/XPROG/TINYNVM.c b/Projects/AVRISP-MKII/Lib/XPROG/TINYNVM.c index 921fe015f..df0374dea 100644 --- a/Projects/AVRISP-MKII/Lib/XPROG/TINYNVM.c +++ b/Projects/AVRISP-MKII/Lib/XPROG/TINYNVM.c @@ -85,7 +85,7 @@ bool TINYNVM_WaitWhileNVMBusBusy(void) uint8_t StatusRegister = XPROGTarget_ReceiveByte(); /* We might have timed out waiting for the status register read response, check here */ - if (TimeoutExpired) + if (!(TimeoutTicksRemaining)) return false; /* Check the status register read response to see if the NVM bus is enabled */ @@ -110,7 +110,7 @@ bool TINYNVM_WaitWhileNVMControllerBusy(void) uint8_t StatusRegister = XPROGTarget_ReceiveByte(); /* We might have timed out waiting for the status register read response, check here */ - if (TimeoutExpired) + if (!(TimeoutTicksRemaining)) return false; /* Check to see if the BUSY flag is still set */ @@ -128,9 +128,9 @@ bool TINYNVM_EnableTPI(void) /* Enable TPI programming mode with the attached target */ XPROGTarget_EnableTargetTPI(); - /* Lower direction change guard time to 0 USART bits */ + /* Lower direction change guard time to 32 USART bits */ XPROGTarget_SendByte(TPI_CMD_SSTCS | TPI_CTRL_REG); - XPROGTarget_SendByte(0x07); + XPROGTarget_SendByte(0x02); /* Enable access to the XPROG NVM bus by sending the documented NVM access key to the device */ XPROGTarget_SendByte(TPI_CMD_SKEY); @@ -182,14 +182,14 @@ bool TINYNVM_ReadMemory(const uint16_t ReadAddress, /* Send the address of the location to read from */ TINYNVM_SendPointerAddress(ReadAddress); - while (ReadSize-- && !(TimeoutExpired)) + while (ReadSize-- && TimeoutTicksRemaining) { /* Read the byte of data from the target */ XPROGTarget_SendByte(TPI_CMD_SLD | TPI_POINTER_INDIRECT_PI); *(ReadBuffer++) = XPROGTarget_ReceiveByte(); } - return (TimeoutExpired == false); + return (TimeoutTicksRemaining > 0); } /** Writes word addressed memory to the target's memory spaces.