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worked on pin assignments a little; and some other minor updates

partial-rewrite
Ben Blazak 2012-03-13 23:51:51 -07:00
parent afb0aaccef
commit f628b56812
2 changed files with 19 additions and 6 deletions
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3
doc/references.md
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@ -23,6 +23,9 @@
-> [powering LEDs]
(http://wolfstone.halloweenhost.com/Lighting/litlpo_PoweringLEDs.html)
* [Vcc, Vdd, Vss, etc.]
(http://encyclobeamia.solarbotics.net/articles/vxx.html)
## Noob C Stuff

22
src/ergodox-firmware.c
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@ -28,12 +28,12 @@
/* ----------------------------------------------------------------------------
* Pinouts and Pin assignments
* ===========================
* - '+' indicates pin
* - 'o' indicates unused pin
* - '-'s inserted between some of the pin names for readability
* - 'OC**' pins enclosed in parenthesis had lines over them in the pinout
* ----------------------------------------------------------------------------
* ----------------------------------------------------------------------------
* Teensy 2.0
* ========== GND +---.....---+ VCC
* SS PB0 + + PF0 ADC0
@ -94,11 +94,22 @@
* column4 GPB4 +07 22+ GPA2 row2
* column5 GPB5 +08 21+ GPA1 row1
* column6 GPB6 +09 20+ GPA0 row0
* o10 19+ INTA ?TODO
* power_positive Vdd(Vcc) +11 18+ INTB ?TODO
* o10 19o
* power_positive Vdd(Vcc) +11 18o
* I2C SCL +12 17o
* I2C SDA +13 16+ RESET ?TODO
* o14-------15+ ADDR ?TODO
* I2C SDA +13 16+ RESET (see note)
* o14-------15+ ADDR (see note)
*
* notes:
* - ADDR (pin15): Set to 0b000 via
* Vdd(Vcc) -- R1 -- V2 (on ADDR) -- R2 -- Vss(GND)
* where
* Vdd = +5V
* R1 = ?TODO:\
* V2 = ?TODO: | (see mcp23018 datasheet, pg 11)
* R2 = ?TODO:/
* - RESET (pin16): Not used by software. Might want to have it available
* somewhere physically just in case though?
* ------------------------------------------------------------------------- */
@ -176,4 +187,3 @@ void main() {
init();
}