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| author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2009-04-26 18:58:49 +0000 |
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| committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2009-04-26 18:58:49 +0000 |
| commit | 9de7dec43cf95a3b63cb2980c723a4db6a661123 (patch) | |
| tree | 08ef2d9a1a860604c2ecf3067cff344a1db4a2b0 /nuttx/TODO | |
| parent | f939ec28c773328d2e2feeff17e1f9bae0ccaba5 (diff) | |
| download | px4-nuttx-9de7dec43cf95a3b63cb2980c723a4db6a661123.tar.gz px4-nuttx-9de7dec43cf95a3b63cb2980c723a4db6a661123.tar.bz2 px4-nuttx-9de7dec43cf95a3b63cb2980c723a4db6a661123.zip | |
Extend SPI interface so that we can set number of bits per word
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@1742 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/TODO')
| -rw-r--r-- | nuttx/TODO | 25 |
1 files changed, 22 insertions, 3 deletions
diff --git a/nuttx/TODO b/nuttx/TODO index ac208f540..1007989d1 100644 --- a/nuttx/TODO +++ b/nuttx/TODO @@ -21,9 +21,9 @@ NuttX TODO List (Last updated April 12, 2009) (2) ARM (arch/arm/) (1) ARM/C5471 (arch/arm/src/c5471/) (3) ARM/DM320 (arch/arm/src/dm320/) - (1) ARM/i.MX (arch/arm/src/imx/) - (6) ARM/LPC214x (arch/arm/src/lpc214x/) - (3) ARM/STR71x (arch/arm/src/str71x/) + (2) ARM/i.MX (arch/arm/src/imx/) + (3) ARM/LPC214x (arch/arm/src/lpc214x/) + (4) ARM/STR71x (arch/arm/src/str71x/) (4) pjrc-8052 / MCS51 (arch/pjrc-8051/) (2) Hitachi/Renesas SH-1 (arch/sh/src/sh1) (4) Renesas M16C/26 (arch/sh/src/m16c) @@ -483,6 +483,10 @@ o ARM/i.MX (arch/arm/src/imx/) Status: Open (and in work) Priority: Medium (high if you need i.MX1/L support) + Description: SPI methods are not thread safe. Needs a semaphore to protect from re-entrancy. + Status: Open + Priority: Medium -- Will be very high if you do SPI access from multiple threads. + o ARM/LPC214x (arch/arm/src/lpc214x/) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -509,9 +513,16 @@ o ARM/LPC214x (arch/arm/src/lpc214x/) Priority: High Description: At present the SPI driver is polled. Should it be interrupt driven? + Look at arch/arm/src/imx/imx_spi.c -- that is a good example of an + interrupt driven SPI driver. Should be very easy to part that architecture + to the LPC. Status: Open Priority: Medium + Description: SPI methods are not thread safe. Needs a semaphore to protect from re-entrancy. + Status: Open + Priority: Medium -- Will be very high if you do SPI access from multiple threads. + Description: At present the SPI driver is polled -AND- there is a rather large, arbitrary, delay in one of the block access routines. The purpose of the delay is to avoid a race conditions. This begs for a re-design -OR- at a minimum, some @@ -535,6 +546,10 @@ o ARM/STR71x (arch/arm/src/str71x/) Status: Open Priority: Medium + Description: SPI methods are not thread safe. Needs a semaphore to protect from re-entrancy. + Status: Open + Priority: Medium -- Will be very high if you do SPI access from multiple threads. + o pjrc-8052 / MCS51 (arch/pjrc-8051/) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -704,6 +719,10 @@ o z80/z8/ez80 (arch/z80) Status: Open Priority: Med + Description: SPI methods are not thread safe. Needs a semaphore to protect from re-entrancy. + Status: Open + Priority: Medium -- Will be very high if you do SPI access from multiple threads. + Description: A "generic" I2C driver has been coded for the eZ8Encore! However, this remains untested since I have no I2C devices for the board (yet). |