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TELEMETRY_MOD=14051_SWAPPED

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TELEMETRY_MOD=14051 (by gerardv @ forum.turnigy9xr.com) makes USART0 available
by reallocating AIL and THR onto pins 14 and 15 of the 14051 multiplexer.

TELEMETRY_MOD=14051_SWAPPED is based on TELEMETRY_MOD=14051, but uses USART1
instead of USART0, freeing USART0 for other purposes (debugging, interfacing
via AVRISP port). USART1 is freed up by reallocating LVert Trim Dn/Up onto
14051's 12 and 1 pins respectively.

Additionally, this commit cleans a few things up:
 * moves AVR ADC-related code to adc_driver.cpp,
 * provides #defines to have a convenient way to access either USART0 or USART1
   registers depending on static (build-time) configuration
 * moves code related to this telemetry mod to board_stock
 * replaces a few magic numbers with enums.

Thanks to Bernard Songis for review and suggestions!
This commit is contained in:
Michał Wróbel 2015-04-24 00:36:15 +02:00
parent 41f78440db
commit 485edb579d
11 changed files with 351 additions and 196 deletions
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15
radio/src/opentx.h
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@ -941,8 +941,6 @@ void checkSwitches();
void checkAlarm();
void checkAll();
#define ADC_VREF_TYPE 0x40 // AVCC with external capacitor at AREF pin
#if !defined(SIMU)
void getADC();
#endif
@ -979,6 +977,15 @@ enum Analogs {
POT2,
POT3,
POT_LAST = POT3,
#endif
#if defined(TELEMETRY_MOD_14051) || defined(TELEMETRY_MOD_14051_SWAPPED)
// When the mod is applied, ADC7 is connected to 14051's X pin and TX_VOLTAGE
// is connected to 14051's X0 pin (one of the multiplexed inputs). TX_VOLTAGE
// value is filled in by processMultiplexAna().
// This shifts TX_VOLTAGE from 7 to 8 and makes X14051 take the 7th position
// corresponding to ADC7.
X14051,
#endif
TX_VOLTAGE,
#if defined(PCBSKY9X) && !defined(REVA)
@ -1727,4 +1734,8 @@ struct Clipboard {
extern Clipboard clipboard;
#endif
#if !defined(SIMU)
extern uint16_t s_anaFilt[NUMBER_ANALOG];
#endif
#endif