diff options
author | Dean Camera <dean@fourwalledcubicle.com> | 2010-07-13 11:26:03 +0000 |
---|---|---|
committer | Dean Camera <dean@fourwalledcubicle.com> | 2010-07-13 11:26:03 +0000 |
commit | 666c0fa4c31b2c9f7f02f6d0e09551e24dc4680c (patch) | |
tree | 6fd57a5b9cd741895fbaf55f6c56708d521d7748 /Projects | |
parent | 03130342451003093e654edc5b031718d544e9ba (diff) | |
download | lufa-666c0fa4c31b2c9f7f02f6d0e09551e24dc4680c.tar.gz lufa-666c0fa4c31b2c9f7f02f6d0e09551e24dc4680c.tar.bz2 lufa-666c0fa4c31b2c9f7f02f6d0e09551e24dc4680c.zip |
Remove the timeout period extension code from the AVRISP project, as no single command should ever exceed the maximum timeout period. Extend timeout period to 1 second per command, so that an accidental timeout will never occur.
Diffstat (limited to 'Projects')
-rw-r--r-- | Projects/AVRISP-MKII/Lib/ISP/ISPProtocol.c | 11 | ||||
-rw-r--r-- | Projects/AVRISP-MKII/Lib/ISP/ISPTarget.c | 19 | ||||
-rw-r--r-- | Projects/AVRISP-MKII/Lib/V2Protocol.c | 12 | ||||
-rw-r--r-- | Projects/AVRISP-MKII/Lib/V2Protocol.h | 6 | ||||
-rw-r--r-- | Projects/AVRISP-MKII/Lib/XPROG/TINYNVM.c | 18 | ||||
-rw-r--r-- | Projects/AVRISP-MKII/Lib/XPROG/XMEGANVM.c | 20 | ||||
-rw-r--r-- | Projects/AVRISP-MKII/Lib/XPROG/XPROGProtocol.c | 2 | ||||
-rw-r--r-- | Projects/AVRISP-MKII/Lib/XPROG/XPROGTarget.c | 17 |
8 files changed, 31 insertions, 74 deletions
diff --git a/Projects/AVRISP-MKII/Lib/ISP/ISPProtocol.c b/Projects/AVRISP-MKII/Lib/ISP/ISPProtocol.c index 2ce11a8ee..d6e02fa2b 100644 --- a/Projects/AVRISP-MKII/Lib/ISP/ISPProtocol.c +++ b/Projects/AVRISP-MKII/Lib/ISP/ISPProtocol.c @@ -76,7 +76,7 @@ void ISPProtocol_EnterISPMode(void) /* Continuously attempt to synchronize with the target until either the number of attempts specified * by the host has exceeded, or the the device sends back the expected response values */ - while (Enter_ISP_Params.SynchLoops-- && (ResponseStatus == STATUS_CMD_FAILED) && TimeoutMSRemaining) + while (Enter_ISP_Params.SynchLoops-- && (ResponseStatus == STATUS_CMD_FAILED) && TimeoutTicksRemaining) { uint8_t ResponseBytes[4]; @@ -552,13 +552,8 @@ void ISPProtocol_SPIMulti(void) */ void ISPProtocol_DelayMS(uint8_t DelayMS) { - while (DelayMS-- && TimeoutMSRemaining) - { - if (TimeoutMSRemaining) - TimeoutMSRemaining--; - - _delay_ms(1); - } + while (DelayMS-- && TimeoutTicksRemaining) + _delay_ms(1); } #endif
\ No newline at end of file diff --git a/Projects/AVRISP-MKII/Lib/ISP/ISPTarget.c b/Projects/AVRISP-MKII/Lib/ISP/ISPTarget.c index 9a74aabb2..430c9158a 100644 --- a/Projects/AVRISP-MKII/Lib/ISP/ISPTarget.c +++ b/Projects/AVRISP-MKII/Lib/ISP/ISPTarget.c @@ -129,9 +129,9 @@ uint8_t ISPTarget_WaitForProgComplete(const uint8_t ProgrammingMode, const uint1 SPI_SendByte(PollAddress >> 8); SPI_SendByte(PollAddress & 0xFF); } - while ((SPI_TransferByte(0x00) == PollValue) && TimeoutMSRemaining); + while ((SPI_TransferByte(0x00) == PollValue) && TimeoutTicksRemaining); - if (!(TimeoutMSRemaining)) + if (!(TimeoutTicksRemaining)) ProgrammingStatus = STATUS_CMD_TOUT; break; @@ -141,9 +141,6 @@ uint8_t ISPTarget_WaitForProgComplete(const uint8_t ProgrammingMode, const uint1 break; } - if (ProgrammingStatus == STATUS_CMD_OK) - TimeoutMSRemaining = COMMAND_TIMEOUT_MS; - return ProgrammingStatus; } @@ -160,17 +157,9 @@ uint8_t ISPTarget_WaitWhileTargetBusy(void) SPI_SendByte(0x00); SPI_SendByte(0x00); } - while ((SPI_ReceiveByte() & 0x01) && TimeoutMSRemaining); + while ((SPI_ReceiveByte() & 0x01) && TimeoutTicksRemaining); - if (TimeoutMSRemaining) - { - TimeoutMSRemaining = COMMAND_TIMEOUT_MS; - return STATUS_CMD_OK; - } - else - { - return STATUS_RDY_BSY_TOUT; - } + return TimeoutTicksRemaining ? STATUS_CMD_OK : STATUS_RDY_BSY_TOUT; } /** Sends a low-level LOAD EXTENDED ADDRESS command to the target, for addressing of memory beyond the diff --git a/Projects/AVRISP-MKII/Lib/V2Protocol.c b/Projects/AVRISP-MKII/Lib/V2Protocol.c index d6bb32a14..9e210c26a 100644 --- a/Projects/AVRISP-MKII/Lib/V2Protocol.c +++ b/Projects/AVRISP-MKII/Lib/V2Protocol.c @@ -46,8 +46,8 @@ bool MustLoadExtendedAddress; /** ISR to manage timeouts whilst processing a V2Protocol command */ ISR(TIMER0_COMPA_vect, ISR_NOBLOCK) { - if (TimeoutMSRemaining) - TimeoutMSRemaining--; + if (TimeoutTicksRemaining) + TimeoutTicksRemaining--; } /** Initializes the hardware and software associated with the V2 protocol command handling. */ @@ -60,8 +60,8 @@ void V2Protocol_Init(void) ADC_StartReading(VTARGET_ADC_CHANNEL_MASK | ADC_RIGHT_ADJUSTED | ADC_REFERENCE_AVCC); #endif - /* Millisecond timer initialization for managing the command timeout counter */ - OCR0A = ((F_CPU / 64) / 1000); + /* Timeout timer initialization (10ms period) */ + OCR0A = ((F_CPU / 1024) / 100); TCCR0A = (1 << WGM01); TIMSK0 = (1 << OCIE0A); @@ -77,8 +77,8 @@ void V2Protocol_ProcessCommand(void) uint8_t V2Command = Endpoint_Read_Byte(); /* Start the timeout management timer */ - TimeoutMSRemaining = COMMAND_TIMEOUT_MS; - TCCR0B = ((1 << CS01) | (1 << CS00)); + TimeoutTicksRemaining = COMMAND_TIMEOUT_TICKS; + TCCR0B = ((1 << CS02) | (1 << CS00)); switch (V2Command) { diff --git a/Projects/AVRISP-MKII/Lib/V2Protocol.h b/Projects/AVRISP-MKII/Lib/V2Protocol.h index 5b8589294..12ab5992d 100644 --- a/Projects/AVRISP-MKII/Lib/V2Protocol.h +++ b/Projects/AVRISP-MKII/Lib/V2Protocol.h @@ -66,11 +66,11 @@ /** Programmer ID string, returned to the host during the CMD_SIGN_ON command processing. */ #define PROGRAMMER_ID "AVRISP_MK2" - /** Timeout period for each issued command from the host before it is aborted. */ - #define COMMAND_TIMEOUT_MS 200 + /** Timeout period for each issued command from the host before it is aborted (in 10ms ticks). */ + #define COMMAND_TIMEOUT_TICKS 100 /** Command timeout counter register, GPIOR for speed. */ - #define TimeoutMSRemaining GPIOR0 + #define TimeoutTicksRemaining GPIOR0 /** MUX mask for the VTARGET ADC channel number. */ #define VTARGET_ADC_CHANNEL_MASK _GETADCMUXMASK(ADC_CHANNEL, VTARGET_ADC_CHANNEL) diff --git a/Projects/AVRISP-MKII/Lib/XPROG/TINYNVM.c b/Projects/AVRISP-MKII/Lib/XPROG/TINYNVM.c index e0e2479ea..150f64244 100644 --- a/Projects/AVRISP-MKII/Lib/XPROG/TINYNVM.c +++ b/Projects/AVRISP-MKII/Lib/XPROG/TINYNVM.c @@ -85,15 +85,12 @@ bool TINYNVM_WaitWhileNVMBusBusy(void) uint8_t StatusRegister = XPROGTarget_ReceiveByte(); /* We might have timed out waiting for the status register read response, check here */ - if (!(TimeoutMSRemaining)) + if (!(TimeoutTicksRemaining)) return false; /* Check the status register read response to see if the NVM bus is enabled */ if (StatusRegister & TPI_STATUS_NVM) - { - TimeoutMSRemaining = COMMAND_TIMEOUT_MS; - return true; - } + return true; } } @@ -113,15 +110,12 @@ bool TINYNVM_WaitWhileNVMControllerBusy(void) uint8_t StatusRegister = XPROGTarget_ReceiveByte(); /* We might have timed out waiting for the status register read response, check here */ - if (!(TimeoutMSRemaining)) + if (!(TimeoutTicksRemaining)) return false; /* Check to see if the BUSY flag is still set */ if (!(StatusRegister & (1 << 7))) - { - TimeoutMSRemaining = COMMAND_TIMEOUT_MS; - return true; - } + return true; } } @@ -146,14 +140,14 @@ bool TINYNVM_ReadMemory(const uint16_t ReadAddress, uint8_t* ReadBuffer, uint16_ /* Send the address of the location to read from */ TINYNVM_SendPointerAddress(ReadAddress); - while (ReadSize-- && TimeoutMSRemaining) + while (ReadSize-- && TimeoutTicksRemaining) { /* Read the byte of data from the target */ XPROGTarget_SendByte(TPI_CMD_SLD | TPI_POINTER_INDIRECT_PI); *(ReadBuffer++) = XPROGTarget_ReceiveByte(); } - return (TimeoutMSRemaining != 0); + return (TimeoutTicksRemaining != 0); } /** Writes word addressed memory to the target's memory spaces. diff --git a/Projects/AVRISP-MKII/Lib/XPROG/XMEGANVM.c b/Projects/AVRISP-MKII/Lib/XPROG/XMEGANVM.c index 2caee6a87..93419d00d 100644 --- a/Projects/AVRISP-MKII/Lib/XPROG/XMEGANVM.c +++ b/Projects/AVRISP-MKII/Lib/XPROG/XMEGANVM.c @@ -80,15 +80,12 @@ bool XMEGANVM_WaitWhileNVMBusBusy(void) uint8_t StatusRegister = XPROGTarget_ReceiveByte(); /* We might have timed out waiting for the status register read response, check here */ - if (!(TimeoutMSRemaining)) + if (!(TimeoutTicksRemaining)) return false; /* Check the status register read response to see if the NVM bus is enabled */ if (StatusRegister & PDI_STATUS_NVM) - { - TimeoutMSRemaining = COMMAND_TIMEOUT_MS; - return true; - } + return true; } } @@ -109,15 +106,12 @@ bool XMEGANVM_WaitWhileNVMControllerBusy(void) uint8_t StatusRegister = XPROGTarget_ReceiveByte(); /* We might have timed out waiting for the status register read response, check here */ - if (!(TimeoutMSRemaining)) + if (!(TimeoutTicksRemaining)) return false; /* Check to see if the BUSY flag is still set */ if (!(StatusRegister & (1 << 7))) - { - TimeoutMSRemaining = COMMAND_TIMEOUT_MS; - return true; - } + return true; } } @@ -165,7 +159,7 @@ bool XMEGANVM_GetMemoryCRC(const uint8_t CRCCommand, uint32_t* const CRCDest) for (uint8_t i = 0; i < XMEGA_CRC_LENGTH; i++) ((uint8_t*)CRCDest)[i] = XPROGTarget_ReceiveByte(); - return (TimeoutMSRemaining != 0); + return (TimeoutTicksRemaining != 0); } /** Reads memory from the target's memory spaces. @@ -197,10 +191,10 @@ bool XMEGANVM_ReadMemory(const uint32_t ReadAddress, uint8_t* ReadBuffer, uint16 /* Send a LD command with indirect access and post-increment to read out the bytes */ XPROGTarget_SendByte(PDI_CMD_LD | (PDI_POINTER_INDIRECT_PI << 2) | PDI_DATSIZE_1BYTE); - while (ReadSize-- && TimeoutMSRemaining) + while (ReadSize-- && TimeoutTicksRemaining) *(ReadBuffer++) = XPROGTarget_ReceiveByte(); - return (TimeoutMSRemaining != 0); + return (TimeoutTicksRemaining != 0); } /** Writes byte addressed memory to the target's memory spaces. diff --git a/Projects/AVRISP-MKII/Lib/XPROG/XPROGProtocol.c b/Projects/AVRISP-MKII/Lib/XPROG/XPROGProtocol.c index f2c2674eb..84d82bc5f 100644 --- a/Projects/AVRISP-MKII/Lib/XPROG/XPROGProtocol.c +++ b/Projects/AVRISP-MKII/Lib/XPROG/XPROGProtocol.c @@ -131,7 +131,7 @@ static void XPROGProtocol_EnterXPROGMode(void) XPROGTarget_SendByte(0x07); /* Enable access to the XPROG NVM bus by sending the documented NVM access key to the device */ - XPROGTarget_SendByte(PDI_CMD_KEY); + XPROGTarget_SendByte(PDI_CMD_KEY); for (uint8_t i = sizeof(PDI_NVMENABLE_KEY); i > 0; i--) XPROGTarget_SendByte(PDI_NVMENABLE_KEY[i - 1]); diff --git a/Projects/AVRISP-MKII/Lib/XPROG/XPROGTarget.c b/Projects/AVRISP-MKII/Lib/XPROG/XPROGTarget.c index 07efbb1da..2e5200561 100644 --- a/Projects/AVRISP-MKII/Lib/XPROG/XPROGTarget.c +++ b/Projects/AVRISP-MKII/Lib/XPROG/XPROGTarget.c @@ -138,9 +138,6 @@ void XPROGTarget_SendByte(const uint8_t Byte) while (!(UCSR1A & (1 << UDRE1))); UCSR1A |= (1 << TXC1); UDR1 = Byte; - - if (TimeoutMSRemaining) - TimeoutMSRemaining = COMMAND_TIMEOUT_MS; } /** Receives a byte via the software USART, blocking until data is received. @@ -154,10 +151,7 @@ uint8_t XPROGTarget_ReceiveByte(void) XPROGTarget_SetRxMode(); /* Wait until a byte has been received before reading */ - while (!(UCSR1A & (1 << RXC1)) && TimeoutMSRemaining); - - if (TimeoutMSRemaining) - TimeoutMSRemaining = COMMAND_TIMEOUT_MS; + while (!(UCSR1A & (1 << RXC1)) && TimeoutTicksRemaining); return UDR1; } @@ -176,9 +170,6 @@ void XPROGTarget_SendBreak(void) while (PIND & (1 << 5)); while (!(PIND & (1 << 5))); } - - if (TimeoutMSRemaining) - TimeoutMSRemaining = COMMAND_TIMEOUT_MS; } static void XPROGTarget_SetTxMode(void) @@ -193,9 +184,6 @@ static void XPROGTarget_SetTxMode(void) UCSR1B &= ~(1 << RXEN1); UCSR1B |= (1 << TXEN1); - if (TimeoutMSRemaining) - TimeoutMSRemaining = COMMAND_TIMEOUT_MS; - IsSending = true; } @@ -210,9 +198,6 @@ static void XPROGTarget_SetRxMode(void) DDRD &= ~(1 << 3); PORTD &= ~(1 << 3); - if (TimeoutMSRemaining) - TimeoutMSRemaining = COMMAND_TIMEOUT_MS; - IsSending = false; } |