X-Git-Url: https://git.ayoreis.com/Adafruit_Blinka-hackapet.git/blobdiff_plain/3488ad2ae4bb19e6fadd257bbf7b70fa4278842b..9eeec4d1482efafd033d0c274cf2a027276ea2bd:/src/adafruit_blinka/microcontroller/beaglebone_black/pin.py diff --git a/src/adafruit_blinka/microcontroller/beaglebone_black/pin.py b/src/adafruit_blinka/microcontroller/beaglebone_black/pin.py index a379f1d..24ae0c1 100644 --- a/src/adafruit_blinka/microcontroller/beaglebone_black/pin.py +++ b/src/adafruit_blinka/microcontroller/beaglebone_black/pin.py @@ -154,9 +154,38 @@ SCLK = Pin('P9_22') #CircuitPython naming convention for SPI Clock SCK = Pin('P9_22') +# Pins for SPI1 +# refer to: +# http://beagleboard.org/static/images/cape-headers-spi.png +# +# CE1 P9.28 SPI1_CS0 +# MISO_1 P9.29 SPI1_D0 +# MOSI_1 P9.30 SPI1_D1 +# SCLK_1 P9.31 SPI_SCLK +# +# SPI1 conflicts with HDMI Audio (McASP) +# +# Refer to: +# https://elinux.org/Beagleboard:BeagleBoneBlack_Debian#U-Boot_Overlays +# +# To Disable HDMI AUDIO, uncomment this line in /boot/uEnv.txt: +# disable_uboot_overlay_audio=1 +# +# Set pin modes for SPI1 with: +# +# config-pin p9.28 spi1_cs +# config-pin p9.29 spi1 +# config-pin p9.30 spi1 +# config-pin p9.31 spi_sclk +CE1 = Pin('P9_28') +MOSI_1 = Pin('P9_29') +MISO_1 = Pin('P9_30') +SCLK_1 = Pin('P9_31') +#CircuitPython naming convention for SPI Clock +SCK_1 = Pin('P9_31') + # ordered as spiId, sckId, mosiId, misoId -#spiPorts = ((0, SCLK, MOSI, MISO), (1, SCLK_1, MOSI_1, MISO_1)) -spiPorts = ((0, SCLK, MOSI, MISO), (1, SCLK, MOSI, MISO)) +spiPorts = ((0, SCLK, MOSI, MISO), (1, SCLK_1, MOSI_1, MISO_1)) # ordered as uartId, txId, rxId uartPorts = (