diff options
| author | Jakub Kramarz <lenwe@lenwe.net> | 2015-05-06 02:36:36 +0200 |
|---|---|---|
| committer | Brendan Le Foll <brendan.le.foll@intel.com> | 2015-05-06 14:54:07 +0100 |
| commit | f4d67b5f5365f9d06c15ef25c41460a5574c83b0 (patch) | |
| tree | 4babb3f35fd2d704265c0b31dc864169130c22b3 /docs/edison.md | |
| parent | 8e2ec01b615fdeafa863c8e3d8bb129a6c2c0389 (diff) | |
edison.md: minor fixes in Edison boards docs
Some typo, letter case and formatting fixes.
Signed-off-by: Jakub Kramarz <jakub@hackerspace-krk.pl>
Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>
Diffstat (limited to 'docs/edison.md')
| -rw-r--r-- | docs/edison.md | 30 |
1 files changed, 15 insertions, 15 deletions
diff --git a/docs/edison.md b/docs/edison.md index f53a303..2815057 100644 --- a/docs/edison.md +++ b/docs/edison.md @@ -1,44 +1,44 @@ 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 onboard wifi and bluetooth. +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: +Currently supported boards: - Intel Arduino board - Intel breakout board UART ---- -On both the Arduino board and the breakout board, The avaible UART interface is on /dev/ttyMFD1 +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: -- i2c is exposed on i2c-6, therfore you must use bus 6 and not bus 0 -- PWM avaible on default swizzler postions. (3,5,6,9) +- 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 + `echo on > /sys/devices/pci0000\:00/0000\:00\:07.1/power/control` - ADC kernel module will return 12bit number but the ADC itself only has an - accuracy of 10bits. 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 + accuracy of 10bits. 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 -Because of the way IO is setup with the tristate on the arduino breakout board +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 +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 avaible 1 & 6 +- Both I2C buses are available 1 & 6 - IO on the miniboard is 1.8V Please see the following table on how the physical pins map to mraa pin numbers |