/*
LUFA Library
- Copyright (C) Dean Camera, 2012.
+ Copyright (C) Dean Camera, 2021.
dean [at] fourwalledcubicle [dot] com
www.lufa-lib.org
*/
/*
- Copyright 2011 Dean Camera (dean [at] fourwalledcubicle [dot] com)
+ Copyright 2021 Dean Camera (dean [at] fourwalledcubicle [dot] com)
Permission to use, copy, modify, distribute, and sell this
software and its documentation for any purpose is hereby granted
advertising or publicity pertaining to distribution of the
software without specific, written prior permission.
- The author disclaim all warranties with regard to this
+ The author disclaims all warranties with regard to this
software, including all implied warranties of merchantability
and fitness. In no event shall the author be liable for any
special, indirect or consequential damages or any damages
#if defined(ENABLE_ISP_PROTOCOL) || defined(__DOXYGEN__)
-/** List of hardware SPI prescaler masks for possible AVRStudio ISP programming speeds.
+/** List of hardware SPI prescaler masks for possible Atmel Studio ISP programming speeds.
*
* \hideinitializer
*/
*/
static const uint16_t TimerCompareFromSCKDuration[] PROGMEM =
{
- TIMER_COMP(96386), TIMER_COMP(89888), TIMER_COMP(84211), TIMER_COMP(79208), TIMER_COMP(74767),
- TIMER_COMP(70797), TIMER_COMP(67227), TIMER_COMP(64000), TIMER_COMP(61069), TIMER_COMP(58395),
- TIMER_COMP(55945), TIMER_COMP(51613), TIMER_COMP(49690), TIMER_COMP(47905), TIMER_COMP(46243),
- TIMER_COMP(43244), TIMER_COMP(41885), TIMER_COMP(39409), TIMER_COMP(38278), TIMER_COMP(36200),
- TIMER_COMP(34335), TIMER_COMP(32654), TIMER_COMP(31129), TIMER_COMP(29740), TIMER_COMP(28470),
- TIMER_COMP(27304), TIMER_COMP(25724), TIMER_COMP(24768), TIMER_COMP(23461), TIMER_COMP(22285),
- TIMER_COMP(21221), TIMER_COMP(20254), TIMER_COMP(19371), TIMER_COMP(18562), TIMER_COMP(17583),
- TIMER_COMP(16914), TIMER_COMP(16097), TIMER_COMP(15356), TIMER_COMP(14520), TIMER_COMP(13914),
- TIMER_COMP(13224), TIMER_COMP(12599), TIMER_COMP(12031), TIMER_COMP(11511), TIMER_COMP(10944),
- TIMER_COMP(10431), TIMER_COMP(9963), TIMER_COMP(9468), TIMER_COMP(9081), TIMER_COMP(8612),
- TIMER_COMP(8239), TIMER_COMP(7851), TIMER_COMP(7498), TIMER_COMP(7137), TIMER_COMP(6809),
- TIMER_COMP(6478), TIMER_COMP(6178), TIMER_COMP(5879), TIMER_COMP(5607), TIMER_COMP(5359),
- TIMER_COMP(5093), TIMER_COMP(4870), TIMER_COMP(4633), TIMER_COMP(4418), TIMER_COMP(4209),
- TIMER_COMP(4019), TIMER_COMP(3823), TIMER_COMP(3645), TIMER_COMP(3474), TIMER_COMP(3310),
- TIMER_COMP(3161), TIMER_COMP(3011), TIMER_COMP(2869), TIMER_COMP(2734), TIMER_COMP(2611),
- TIMER_COMP(2484), TIMER_COMP(2369), TIMER_COMP(2257), TIMER_COMP(2152), TIMER_COMP(2052),
- TIMER_COMP(1956), TIMER_COMP(1866), TIMER_COMP(1779), TIMER_COMP(1695), TIMER_COMP(1615),
- TIMER_COMP(1539), TIMER_COMP(1468), TIMER_COMP(1398), TIMER_COMP(1333), TIMER_COMP(1271),
- TIMER_COMP(1212), TIMER_COMP(1155), TIMER_COMP(1101), TIMER_COMP(1049), TIMER_COMP(1000),
- TIMER_COMP(953), TIMER_COMP(909), TIMER_COMP(866), TIMER_COMP(826), TIMER_COMP(787),
- TIMER_COMP(750), TIMER_COMP(715), TIMER_COMP(682), TIMER_COMP(650), TIMER_COMP(619),
- TIMER_COMP(590), TIMER_COMP(563), TIMER_COMP(536), TIMER_COMP(511), TIMER_COMP(487),
- TIMER_COMP(465), TIMER_COMP(443), TIMER_COMP(422), TIMER_COMP(402), TIMER_COMP(384),
- TIMER_COMP(366), TIMER_COMP(349), TIMER_COMP(332), TIMER_COMP(317), TIMER_COMP(302),
- TIMER_COMP(288), TIMER_COMP(274), TIMER_COMP(261), TIMER_COMP(249), TIMER_COMP(238),
- TIMER_COMP(226), TIMER_COMP(216), TIMER_COMP(206), TIMER_COMP(196), TIMER_COMP(187),
- TIMER_COMP(178), TIMER_COMP(170), TIMER_COMP(162), TIMER_COMP(154), TIMER_COMP(147),
- TIMER_COMP(140), TIMER_COMP(134), TIMER_COMP(128), TIMER_COMP(122), TIMER_COMP(116),
- TIMER_COMP(111), TIMER_COMP(105), TIMER_COMP(100), TIMER_COMP(95.4), TIMER_COMP(90.9),
- TIMER_COMP(86.6), TIMER_COMP(82.6), TIMER_COMP(78.7), TIMER_COMP(75.0), TIMER_COMP(71.5),
- TIMER_COMP(68.2), TIMER_COMP(65.0), TIMER_COMP(61.9), TIMER_COMP(59.0), TIMER_COMP(56.3),
- TIMER_COMP(53.6), TIMER_COMP(51.1)
+ ISP_TIMER_COMP(96386), ISP_TIMER_COMP(89888), ISP_TIMER_COMP(84211), ISP_TIMER_COMP(79208), ISP_TIMER_COMP(74767),
+ ISP_TIMER_COMP(70797), ISP_TIMER_COMP(67227), ISP_TIMER_COMP(64000), ISP_TIMER_COMP(61069), ISP_TIMER_COMP(58395),
+ ISP_TIMER_COMP(55945), ISP_TIMER_COMP(51613), ISP_TIMER_COMP(49690), ISP_TIMER_COMP(47905), ISP_TIMER_COMP(46243),
+ ISP_TIMER_COMP(43244), ISP_TIMER_COMP(41885), ISP_TIMER_COMP(39409), ISP_TIMER_COMP(38278), ISP_TIMER_COMP(36200),
+ ISP_TIMER_COMP(34335), ISP_TIMER_COMP(32654), ISP_TIMER_COMP(31129), ISP_TIMER_COMP(29740), ISP_TIMER_COMP(28470),
+ ISP_TIMER_COMP(27304), ISP_TIMER_COMP(25724), ISP_TIMER_COMP(24768), ISP_TIMER_COMP(23461), ISP_TIMER_COMP(22285),
+ ISP_TIMER_COMP(21221), ISP_TIMER_COMP(20254), ISP_TIMER_COMP(19371), ISP_TIMER_COMP(18562), ISP_TIMER_COMP(17583),
+ ISP_TIMER_COMP(16914), ISP_TIMER_COMP(16097), ISP_TIMER_COMP(15356), ISP_TIMER_COMP(14520), ISP_TIMER_COMP(13914),
+ ISP_TIMER_COMP(13224), ISP_TIMER_COMP(12599), ISP_TIMER_COMP(12031), ISP_TIMER_COMP(11511), ISP_TIMER_COMP(10944),
+ ISP_TIMER_COMP(10431), ISP_TIMER_COMP(9963), ISP_TIMER_COMP(9468), ISP_TIMER_COMP(9081), ISP_TIMER_COMP(8612),
+ ISP_TIMER_COMP(8239), ISP_TIMER_COMP(7851), ISP_TIMER_COMP(7498), ISP_TIMER_COMP(7137), ISP_TIMER_COMP(6809),
+ ISP_TIMER_COMP(6478), ISP_TIMER_COMP(6178), ISP_TIMER_COMP(5879), ISP_TIMER_COMP(5607), ISP_TIMER_COMP(5359),
+ ISP_TIMER_COMP(5093), ISP_TIMER_COMP(4870), ISP_TIMER_COMP(4633), ISP_TIMER_COMP(4418), ISP_TIMER_COMP(4209),
+ ISP_TIMER_COMP(4019), ISP_TIMER_COMP(3823), ISP_TIMER_COMP(3645), ISP_TIMER_COMP(3474), ISP_TIMER_COMP(3310),
+ ISP_TIMER_COMP(3161), ISP_TIMER_COMP(3011), ISP_TIMER_COMP(2869), ISP_TIMER_COMP(2734), ISP_TIMER_COMP(2611),
+ ISP_TIMER_COMP(2484), ISP_TIMER_COMP(2369), ISP_TIMER_COMP(2257), ISP_TIMER_COMP(2152), ISP_TIMER_COMP(2052),
+ ISP_TIMER_COMP(1956), ISP_TIMER_COMP(1866), ISP_TIMER_COMP(1779), ISP_TIMER_COMP(1695), ISP_TIMER_COMP(1615),
+ ISP_TIMER_COMP(1539), ISP_TIMER_COMP(1468), ISP_TIMER_COMP(1398), ISP_TIMER_COMP(1333), ISP_TIMER_COMP(1271),
+ ISP_TIMER_COMP(1212), ISP_TIMER_COMP(1155), ISP_TIMER_COMP(1101), ISP_TIMER_COMP(1049), ISP_TIMER_COMP(1000),
+ ISP_TIMER_COMP(953), ISP_TIMER_COMP(909), ISP_TIMER_COMP(866), ISP_TIMER_COMP(826), ISP_TIMER_COMP(787),
+ ISP_TIMER_COMP(750), ISP_TIMER_COMP(715), ISP_TIMER_COMP(682), ISP_TIMER_COMP(650), ISP_TIMER_COMP(619),
+ ISP_TIMER_COMP(590), ISP_TIMER_COMP(563), ISP_TIMER_COMP(536), ISP_TIMER_COMP(511), ISP_TIMER_COMP(487),
+ ISP_TIMER_COMP(465), ISP_TIMER_COMP(443), ISP_TIMER_COMP(422), ISP_TIMER_COMP(402), ISP_TIMER_COMP(384),
+ ISP_TIMER_COMP(366), ISP_TIMER_COMP(349), ISP_TIMER_COMP(332), ISP_TIMER_COMP(317), ISP_TIMER_COMP(302),
+ ISP_TIMER_COMP(288), ISP_TIMER_COMP(274), ISP_TIMER_COMP(261), ISP_TIMER_COMP(249), ISP_TIMER_COMP(238),
+ ISP_TIMER_COMP(226), ISP_TIMER_COMP(216), ISP_TIMER_COMP(206), ISP_TIMER_COMP(196), ISP_TIMER_COMP(187),
+ ISP_TIMER_COMP(178), ISP_TIMER_COMP(170), ISP_TIMER_COMP(162), ISP_TIMER_COMP(154), ISP_TIMER_COMP(147),
+ ISP_TIMER_COMP(140), ISP_TIMER_COMP(134), ISP_TIMER_COMP(128), ISP_TIMER_COMP(122), ISP_TIMER_COMP(116),
+ ISP_TIMER_COMP(111), ISP_TIMER_COMP(105), ISP_TIMER_COMP(100), ISP_TIMER_COMP(95.4), ISP_TIMER_COMP(90.9),
+ ISP_TIMER_COMP(86.6), ISP_TIMER_COMP(82.6), ISP_TIMER_COMP(78.7), ISP_TIMER_COMP(75.0), ISP_TIMER_COMP(71.5),
+ ISP_TIMER_COMP(68.2), ISP_TIMER_COMP(65.0), ISP_TIMER_COMP(61.9), ISP_TIMER_COMP(59.0), ISP_TIMER_COMP(56.3),
+ ISP_TIMER_COMP(53.6), ISP_TIMER_COMP(51.1)
};
/** Currently selected SPI driver, either hardware (for fast ISP speeds) or software (for slower ISP speeds). */
-bool HardwareSPIMode = true;
+bool ISPTarget_HardwareSPIMode = true;
/** Software SPI data register for sending and receiving */
-static volatile uint8_t SoftSPI_Data;
+static volatile uint8_t ISPTarget_SoftSPI_Data;
/** Number of bits left to transfer in the software SPI driver */
-static volatile uint8_t SoftSPI_BitsRemaining;
+static volatile uint8_t ISPTarget_SoftSPI_BitsRemaining;
/** ISR to handle software SPI transmission and reception */
/* Check if rising edge (output next bit) or falling edge (read in next bit) */
if (!(PINB & (1 << 1)))
{
- if (SoftSPI_Data & (1 << 7))
+ if (ISPTarget_SoftSPI_Data & (1 << 7))
PORTB |= (1 << 2);
else
PORTB &= ~(1 << 2);
}
else
{
- SoftSPI_Data <<= 1;
+ ISPTarget_SoftSPI_Data <<= 1;
- if (!(SoftSPI_BitsRemaining--))
- TCCR1B = 0;
+ if (!(--ISPTarget_SoftSPI_BitsRemaining))
+ {
+ TCCR1B = 0;
+ TIFR1 = (1 << OCF1A);
+ }
if (PINB & (1 << 3))
- SoftSPI_Data |= (1 << 0);
+ ISPTarget_SoftSPI_Data |= (1 << 0);
}
/* Fast toggle of PORTB.1 via the PIN register (see datasheet) */
if (SCKDuration < sizeof(SPIMaskFromSCKDuration))
{
- HardwareSPIMode = true;
+ ISPTarget_HardwareSPIMode = true;
SPI_Init(pgm_read_byte(&SPIMaskFromSCKDuration[SCKDuration]) | SPI_ORDER_MSB_FIRST |
SPI_SCK_LEAD_RISING | SPI_SAMPLE_LEADING | SPI_MODE_MASTER);
}
else
{
- HardwareSPIMode = false;
+ ISPTarget_HardwareSPIMode = false;
DDRB |= ((1 << 1) | (1 << 2));
PORTB |= ((1 << 0) | (1 << 3));
*/
void ISPTarget_DisableTargetISP(void)
{
- if (HardwareSPIMode)
+ if (ISPTarget_HardwareSPIMode)
{
SPI_Disable();
}
*/
uint8_t ISPTarget_TransferSoftSPIByte(const uint8_t Byte)
{
- SoftSPI_Data = Byte;
- SoftSPI_BitsRemaining = 8;
+ ISPTarget_SoftSPI_Data = Byte;
+ ISPTarget_SoftSPI_BitsRemaining = 8;
/* Set initial MOSI pin state according to the byte to be transferred */
- if (SoftSPI_Data & (1 << 7))
+ if (ISPTarget_SoftSPI_Data & (1 << 7))
PORTB |= (1 << 2);
else
PORTB &= ~(1 << 2);
TCNT1 = 0;
TCCR1B = ((1 << WGM12) | (1 << CS11));
- while (SoftSPI_BitsRemaining && !(TimeoutExpired));
+ while (ISPTarget_SoftSPI_BitsRemaining && TimeoutTicksRemaining);
TCCR1B = 0;
- return SoftSPI_Data;
+ return ISPTarget_SoftSPI_Data;
}
/** Asserts or deasserts the target's reset line, using the correct polarity as set by the host using a SET PARAM command.
* When not asserted, the line is tristated so as not to interfere with normal device operation.
*
- * \param[in] ResetTarget Boolean true when the target should be held in reset, false otherwise
+ * \param[in] ResetTarget Boolean true when the target should be held in reset, \c false otherwise
*/
void ISPTarget_ChangeTargetResetLine(const bool ResetTarget)
{
ISPTarget_SendByte(0x00);
ISPTarget_SendByte(0x00);
}
- while ((ISPTarget_ReceiveByte() & 0x01) && !(TimeoutExpired));
+ while ((ISPTarget_ReceiveByte() & 0x01) && TimeoutTicksRemaining);
- return (TimeoutExpired) ? STATUS_RDY_BSY_TOUT : STATUS_CMD_OK;
+ return (TimeoutTicksRemaining > 0) ? STATUS_CMD_OK : STATUS_RDY_BSY_TOUT;
}
/** Sends a low-level LOAD EXTENDED ADDRESS command to the target, for addressing of memory beyond the
{
ISPTarget_SendByte(LOAD_EXTENDED_ADDRESS_CMD);
ISPTarget_SendByte(0x00);
- ISPTarget_SendByte((CurrentAddress & 0x00FF0000) >> 16);
+ ISPTarget_SendByte(CurrentAddress >> 16);
ISPTarget_SendByte(0x00);
}
ISPTarget_SendByte(PollAddress >> 8);
ISPTarget_SendByte(PollAddress & 0xFF);
}
- while ((ISPTarget_TransferByte(0x00) == PollValue) && !(TimeoutExpired));
+ while ((ISPTarget_TransferByte(0x00) == PollValue) && TimeoutTicksRemaining);
- if (TimeoutExpired)
- ProgrammingStatus = STATUS_CMD_TOUT;
+ if (!(TimeoutTicksRemaining))
+ ProgrammingStatus = STATUS_CMD_TOUT;
break;
case PROG_MODE_WORD_READYBUSY_MASK:
}
/* Program complete - reset timeout */
- wdt_reset();
+ TimeoutTicksRemaining = COMMAND_TIMEOUT_TICKS;
return ProgrammingStatus;
}
projects / pub / lufa.git / blobdiff