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author | Gregory Nutt <gnutt@nuttx.org> | 2014-07-31 11:14:57 -0600 |
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committer | Gregory Nutt <gnutt@nuttx.org> | 2014-07-31 11:14:57 -0600 |
commit | fb5abc7406ccf2a60916ef9e27dbda17340c63a5 (patch) | |
tree | fd2c8e1bad9303217fc1fd7aa8ced85a644aaef6 /nuttx/configs/sama5d4-ek/README.txt | |
parent | 49ce5fbe3b51dfab403915d36b12d2c8c5adf206 (diff) | |
download | px4-nuttx-fb5abc7406ccf2a60916ef9e27dbda17340c63a5.tar.gz px4-nuttx-fb5abc7406ccf2a60916ef9e27dbda17340c63a5.tar.bz2 px4-nuttx-fb5abc7406ccf2a60916ef9e27dbda17340c63a5.zip |
SAMA5D3X-EK: Add support for the WM8904 audio CODEC
Diffstat (limited to 'nuttx/configs/sama5d4-ek/README.txt')
-rw-r--r-- | nuttx/configs/sama5d4-ek/README.txt | 38 |
1 files changed, 22 insertions, 16 deletions
diff --git a/nuttx/configs/sama5d4-ek/README.txt b/nuttx/configs/sama5d4-ek/README.txt index 8189167f9..d1f99e28f 100644 --- a/nuttx/configs/sama5d4-ek/README.txt +++ b/nuttx/configs/sama5d4-ek/README.txt @@ -2427,19 +2427,19 @@ I2C Tool responding on TWI0 (the default) like this: nsh> i2c dev 0x03 0x77 - 0 1 2 3 4 5 6 7 8 9 a b c d e f + 0 1 2 3 4 5 6 7 8 9 a b c d e f 00: -- -- -- -- -- -- -- -- -- -- -- -- -- - 10: -- -- -- -- -- -- -- -- -- -- 1a -- -- -- -- -- + 10: -- -- -- -- -- -- -- -- -- -- -- 1b -- -- -- -- 20: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- - 30: -- -- -- -- -- -- -- -- -- 39 -- -- -- 3d -- -- - 40: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- - 50: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- - 60: 60 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- + 30: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- + 40: -- -- -- -- -- -- -- -- -- -- -- -- 4c -- -- -- + 50: 50 -- -- -- -- -- -- -- -- -- -- 5b -- -- -- -- + 60: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 70: -- -- -- -- -- -- -- -- nsh> - Address 0x1a is the WM8904. Address 0x39 is the SIL9022A. I am not sure - what is at address 0x3d and 0x60 + Addresses 0x1b, 0x4c, and 0x50 are devices on the TM7000 module. + 0x5b is the address of the on-board PMIC chip. SAMA5 ADC Support ================= @@ -2771,17 +2771,18 @@ Audio Support WM8904 Configuration -------------------- System Type -> SAMA5 Peripheral Support + CONFIG_SAMA5_XDMAC0=y : XDMAC0 required by SSC0 CONFIG_SAMA5_TWI0=y : Enable TWI0 driver support CONFIG_SAMA5_SSCO=y : Enable SSC0 driver support - CONFIG_SAMA5_XDMAC0=y : XDMAC0 required by SSC0 System Type -> SSC0 Configuration CONFIG_SAMA5_SSC_MAXINFLIGHT=16 CONFIG_SAMA5_SSC0_DATALEN=16 - Device Drivers -> SPI Driver Support - CONFIG_SPI=y : Enable SPI support - CONFIG_SPI_EXCHANGE=y : Support the exchange method + Device Drivers -> I2C Driver Support + CONFIG_I2C=y : Enable I2C support + CONFIG_I2C_EXCHANGE=y : Support the exchange method + CONFIG_I2C_RESET=n : (Maybe y, if you have bus problems) System Type -> SSC Configuration CONFIG_SAMA5_SSC_MAXINFLIGHT=16 : Up to 16 pending DMA transfers @@ -2826,7 +2827,11 @@ Audio Support would like to add the NxPlayer, here are some recommended configuration settings. - First of all, the NxPlayer depends on the NuttX audio subsystem. Here are some recommended settings for the audio subsystem: + First of all, the NxPlayer depends on the NuttX audio subsystem. See the + "WM8904 Configuration" above for an example of how the audio subsystem is + configured to use the WM8904 CODED with PCM decoding. Or, for testing + purposes, here is how might want to configure NULL, do-nothing audio + device: Audio Support -> CONFIG_AUDIO=y @@ -2842,14 +2847,14 @@ Audio Support Then the NxPlayer can be enabled as follows: System Libraries and NSH Add-Ons -> NxPlayer media player / command line -> - CONFIG_NXPLAYER_PLAYTHREAD_STACKSIZE=1500 : Size of the audio player stack CONFIG_SYSTEM_NXPLAYER=y : Build the NxPlayer library + CONFIG_NXPLAYER_PLAYTHREAD_STACKSIZE=1500 : Size of the audio player stack CONFIG_NXPLAYER_COMMAND_LINE=y : Build command line application CONFIG_NXPLAYER_INCLUDE_HELP=y : Includes a help command CONFIG_NXPLAYER_INCLUDE_DEVICE_SEARCH=n : (Since there is only one audio device) CONFIG_NXPLAYER_INCLUDE_PREFERRED_DEVICE=y : Only one audio device is supported CONFIG_NXPLAYER_FMT_FROM_EXT=y : (Since only PCM is supported) - NXPLAYER_FMT_FROM_HEADER=n : (Since only PCM is supported) + CONFIG_NXPLAYER_FMT_FROM_HEADER=n : (Since only PCM is supported) CONFIG_NXPLAYER_INCLUDE_MEDIADIR=y : Specify a media directory CONFIG_NXPLAYER_DEFAULT_MEDIADIR="/mnt/sdcard" : See below CONFIG_NXPLAYER_RECURSIVE_MEDIA_SEARCH=y : Search all sub-directories @@ -4268,4 +4273,5 @@ To-Do List minor redesign and re-testing before they can be available. 5) Board-related I2C issues have prevented integration of the WM8904 audio - decoder. So the NxWM Media Player demo cannot produce sounds. + decoder. So the NxPlayer and NxWM Media Player demo cannot produce + sounds. |