djsundog/circuitpython
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Suppress A0 (PA02) as a TouchIn-capable pin on CPX.

Browse Source
This commit is contained in:
Dan Halbert 2017-10-15 16:55:41 -04:00 committed by Scott Shawcroft
parent 922006dd59
commit cfd1809b2b
2 changed files with 10 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
atmel-samd/boards/circuitplayground_express/mpconfigboard.h
View File

@ -3,6 +3,9 @@
#define MICROPY_HW_BOARD_NAME "Adafruit CircuitPlayground Express" #define MICROPY_HW_BOARD_NAME "Adafruit CircuitPlayground Express"
#define MICROPY_HW_MCU_NAME "samd21g18" #define MICROPY_HW_MCU_NAME "samd21g18"
// Don't allow touch on A0 (PA02), because it's connected to the speaker.
#define PA02_NO_TOUCH (true)
// Salae reads 12mhz which is the limit even though we set it to the safer 8mhz. // Salae reads 12mhz which is the limit even though we set it to the safer 8mhz.
#define SPI_FLASH_BAUDRATE (8000000) #define SPI_FLASH_BAUDRATE (8000000)

8
atmel-samd/samd21_pins.c
View File

@ -84,7 +84,13 @@ PIN(PA01, EXTINT_CHANNEL(1), NO_ADC, NO_TOUCH,
SERCOM(SERCOM1, 1)); SERCOM(SERCOM1, 1));
#endif #endif
#ifdef PIN_PA02 #ifdef PIN_PA02
PIN(PA02, EXTINT_CHANNEL(2), ADC_INPUT(ADC_POSITIVE_INPUT_PIN0), TOUCH(0), // Touch is not allowed on A0 (PA02) on Circuit Playground Express.
PIN(PA02, EXTINT_CHANNEL(2), ADC_INPUT(ADC_POSITIVE_INPUT_PIN0),
#ifdef PA02_NO_TOUCH
NO_TOUCH,
#else
TOUCH(0),
#endif
NO_TIMER, NO_TIMER,
NO_TIMER, NO_TIMER,
NO_SERCOM, NO_SERCOM,