diff options
Diffstat (limited to 'peripheral/libmraa/docs/edison.md')
| -rw-r--r-- | peripheral/libmraa/docs/edison.md | 112 |
1 files changed, 0 insertions, 112 deletions
diff --git a/peripheral/libmraa/docs/edison.md b/peripheral/libmraa/docs/edison.md deleted file mode 100644 index e8d6264..0000000 --- a/peripheral/libmraa/docs/edison.md +++ /dev/null @@ -1,112 +0,0 @@ -Intel Edison {#edison} -============= - -Intel(R) Edison is a dual-core Silvermont Atom(TM) clocked at 500MHz. The -Edison also features 4GB of storage, 1GB ram and on-board WiFi and Bluetooth. - -Currently supported boards: -- Intel Arduino board -- Intel breakout board - -UART ----- -On both the Arduino board and the breakout board, The available UART interface is on /dev/ttyMFD1 - -Intel Arduino board -------------------- -The Edison used with the Arduino board has the following limitations -in libmraa: - -- Do not use the 'reset' button on the arduino shields, there is a hardware - bug and the platform will likely not come back up correctly -- I2C is exposed on i2c-6, therefore you must use bus 6 and not bus 0 -- PWM available on default swizzler positions. (3,5,6,9) -- SPI exposed is also used for the ADC. Try not to use your own CS. -- Max SPI speed is 25Mhz/4 ~6.25Mhz -- SPI PM can sometimes do weird things you can disable it with: - `echo on > /sys/devices/pci0000\:00/0000\:00\:07.1/power/control` -- ADC kernel module will return 16bit number but the ADC itself only has an - accuracy of maximum 12bits and in MRAA it's limited to 10bits by default. - Use `mraa_aio_set_bit(12)` to switch to the maximum resolution mode. - This ADC is only included on the Arduino board. -- AIO pins are treated as 0-5 in `mraa_aio_init()` but as 14-19 for everything - else. Therefore use `mraa_gpio_init(14)` to use A0 as a GPIO -- Arduino pin 7 can sometimes negatively impact the WiFi capability, if using - WiFi avoid using this pin -- Edison's i2c-1 can be used using for example the sparkfun i2c breakout ontop - of the Arduino breakout board, this is not supported officially so asking for - mraa_i2c_init(1) will result in getting i2c bus 6 (the default one). However - using raw mode (mraa_i2c_init_raw(1)) this bus is fully usable - -Because of the way IO is setup with the tristate on the Arduino breakout board -IO will be flipped as it is setup. It's recommended to setup IO pins & -direction before using them in a `setup()` method or similar. It's impossible on -this platform to avoid some GPIOs flipping on setup. - -Intel(R) breakout board ------------------------ - -- Both I2C buses are available 1 & 6 -- IO on the miniboard is 1.8V -- Requesting GPIO 4 will break your FTDI UART console, so bear in mind when trying to use it - -Please see the following table on how the physical pins map to mraa pin numbers - -| MRAA Number | Physical Pin | Edison Pin | Notes | Pinmode0 | Pinmode1 | Pinmode2 | -|-------------|--------------|---------------|-------------------------|----------|------------|----------| -| 0 | J17-1 | GP182 | | GPIO-182 | PWM2 | | -| 1 | J17-2 | NC | Nothing from mraa | | | | -| 2 | J17-3 | NC | Nothing from mraa | | | | -| 3 | J17-4 | VIN | Nothing from mraa | | | | -| 4 | J17-5 | GP135 | | GPIO-135 | UART | | -| 5 | J17-6 | RCVR_MODE | Nothing from mraa | | | | -| 6 | J17-7 | GP27 | | GPIO-27 | I2C-6-SCL | | -| 7 | J17-8 | GP20 | | GPIO-20 | I2C-1-SDA | | -| 8 | J17-9 | GP28 | | GPIO-28 | I2C-6-SDA | | -| 9 | J17-10 | GP111 | | GPIO-111 | SPI-5-CS1 | | -| 10 | J17-11 | GP109 | | GPIO-109 | SPI-5-SCK | | -| 11 | J17-12 | GP115 | | GPIO-115 | SPI-5-MOSI | | -| 12 | J17-13 | OSC_CLK_OUT_0 | Nothing from mraa/check | | | | -| 13 | J17-14 | GP128 | | GPIO-128 | UART-1-CTS | | -| 14 | J18-1 | GP13 | | GPIO-13 | PWM1 | | -| 15 | J18-2 | GP165 | | GPIO-165 | | | -| 16 | J18-3 | GPI_PWRBTN_N | Nothing from mraa | | | | -| 17 | J18-4 | MSIC_SLP_CLK2 | Nothing from mraa | | | | -| 18 | J18-5 | V_VBAT_BKUP | Nothing from mraa | | | | -| 19 | J18-6 | GP19 | | GPIO-19 | I2C-1-SCL | | -| 20 | J18-7 | GP12 | PWM0 | GPIO-12 | PWM0 | | -| 21 | J18-8 | GP183 | PWM3 | GPIO-183 | PWM3 | | -| 22 | J18-9 | NC | Nothing from mraa | | | | -| 23 | J18-10 | GP110 | | GPIO-110 | SPI-5-CS0 | | -| 24 | J18-11 | GP114 | | GPIO-114 | SPI-5-MISO | | -| 25 | J18-12 | GP129 | | GPIO-129 | UART-1-RTS | | -| 26 | J18-13 | GP130 | | GPIO-130 | UART-1-RX | | -| 27 | J18-14 | FW_RCVR | Nothing from mraa | | | | -| 28 | J19-1 | NC | Nothing from mraa | | | | -| 29 | J19-2 | V_V1P80 | Nothing from mraa | | | | -| 30 | J19-3 | GND | Nothing from mraa | | | | -| 31 | J19-4 | GP44 | | GPIO-44 | | | -| 32 | J19-5 | GP46 | | GPIO-46 | | | -| 33 | J19-6 | GP48 | | GPIO-48 | | | -| 34 | J19-7 | RESET_OUT | Nothing from mraa | | | | -| 35 | J19-8 | GP131 | | GPIO-131 | UART-1-TX | | -| 36 | J19-9 | GP14 | | GPIO-14 | | | -| 37 | J19-10 | GP40 | | GPIO-40 | SSP2_CLK | | -| 38 | J19-11 | GP43 | | GPIO-43 | SSP2_TXD | | -| 39 | J19-12 | GP77 | | GPIO-77 | SD | | -| 40 | J19-13 | GP82 | | GPIO-82 | SD | | -| 41 | J19-14 | GP83 | | GPIO-83 | SD | | -| 42 | J20-1 | V_VSYS | Nothing from mraa | | | | -| 43 | J20-2 | V_V3P30 | Nothing from mraa | | | | -| 44 | J20-3 | GP134 | | | | | -| 45 | J20-4 | GP45 | | GPIO-45 | | | -| 46 | J20-5 | GP47 | | GPIO-47 | | | -| 47 | J20-6 | GP49 | | GPIO-49 | | | -| 48 | J20-7 | GP15 | | GPIO-15 | | | -| 49 | J20-8 | GP84 | | GPIO-84 | SD | | -| 50 | J20-9 | GP42 | | GPIO-42 | SSP2_RXD | | -| 51 | J20-10 | GP41 | | GPIO-41 | SSP2_FS | | -| 52 | J20-11 | GP78 | | GPIO-78 | SD | | -| 53 | J20-12 | GP79 | | GPIO-79 | SD | | -| 54 | J20-13 | GP80 | | GPIO-80 | SD | | -| 55 | J20-14 | GP81 | | GPIO-81 | SD | | |