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| author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2013-04-01 15:52:55 +0000 |
|---|---|---|
| committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2013-04-01 15:52:55 +0000 |
| commit | f7122813d51018e5d3460a30596d2320a08ef740 (patch) | |
| tree | 78afeda9da8586ecf85683fede0a6d79d062b8b0 /nuttx/ChangeLog | |
| parent | 8a4cd2258a5f535f54abf86d6eb92aa000ac085b (diff) | |
| download | nuttx-f7122813d51018e5d3460a30596d2320a08ef740.tar.gz nuttx-f7122813d51018e5d3460a30596d2320a08ef740.tar.bz2 nuttx-f7122813d51018e5d3460a30596d2320a08ef740.zip | |
LPC17xx: Hold off sleep mode while DMA is in progress. Open1788: Reverse sense of the IDLE LED
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5810 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/ChangeLog')
| -rw-r--r-- | nuttx/ChangeLog | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/nuttx/ChangeLog b/nuttx/ChangeLog index 7b6c41411..0407e5501 100644 --- a/nuttx/ChangeLog +++ b/nuttx/ChangeLog @@ -1161,7 +1161,7 @@ for SPI-based MMC/SD cards and integrate into the NSH example. * arch/arm/src/lm3s/lm3s_vectors.S: Correct vectors for GPIOC & D interrupts. - * arch/arm/src/lpc17xx/lp17_clockconfig.c: Power was not being + * arch/arm/src/lpc17xx/lpc17_clockconfig.c: Power was not being provided to GPIO module. This is a critical bugfix! * arch/arm/src/lpc17xx/lpc17_serial.c: Improved logic to handle missed TX interrupts. @@ -1508,7 +1508,7 @@ makes it impossible to kill a background pipe operation from NSH. * include/stdint.h: Correct some errors in conditional compilation (submitted by Johannes Hampel). - * arch/arm/lpc17xx/lp17_idle.c: Uses the same logic as the STM32: uses the + * arch/arm/lpc17xx/lpc17_idle.c: Uses the same logic as the STM32: uses the WFI instruction to sleep in a reduced power mode until the next interrupt occurs. * configs/olimex-lpc1766stk: Added an LED encoded to indicate if the LPC1766 @@ -4496,3 +4496,12 @@ USARTs that can serve as SPI interfaces as well). These were renamed to lpc17_spiinitialize() and lpc17_sspinitialize() in this case. Problem reported by M. Kannan (2014-4-01). + * arch/arm/src/lpc17xx/lpc17_gpdma.c and lpc17_idle.c: In sleep mode, + DMA can only be performed from peripheral SRAM. CPU SRAM is shutdown + in sleep mode. In order to simplify DMA memory allocation, the LPC17xx + IDLE will not hold off going to sleep mode if there is a DMA in progress + (2014-4-01). + * configs/open1788/src/lpc17_autoleds.c: Reversed sense of the IDLE LCD. + It is now off when the LPC17 is sleeping and on when awake. That is + much more useful because it provides a good visual indication of the + dynamic CPU load (2014-4-01). |