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#697 GPIO 12 is an odd pin.

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This commit is contained in:
Jm 2021-02-20 00:34:25 -08:00
parent c690f81574
commit e4141df0e9
2 changed files with 12 additions and 14 deletions
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15
src/configuration.h
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@ -354,15 +354,9 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
#define VEXT_ENABLE 21 // active low, powers the oled display and the lora antenna boost #define VEXT_ENABLE 21 // active low, powers the oled display and the lora antenna boost
#define LED_PIN 25 // If defined we will blink this LED #define LED_PIN 25 // If defined we will blink this LED
#define BUTTON_PIN \ #define BUTTON_PIN 12 // If defined, this will be used for user button presses,
12 // If defined, this will be used for user button presses, if your board doesn't have a physical switch, you can wire one
// between this pin and ground
/* Don't enable the internal pull up on the TLORA_V2_1_16. GPIO 12 is connected to a bidirectional #define BUTTON_NEED_PULLUP
diode. If someone needs to use a button, they should connect an external pull up that's stronger
than what's built into the esp32
*/
// #define BUTTON_NEED_PULLUP
#define USE_RF95 #define USE_RF95
#define LORA_DIO0 26 // a No connect on the SX1262 module #define LORA_DIO0 26 // a No connect on the SX1262 module
@ -387,8 +381,9 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
#define I2C_SCL 2 #define I2C_SCL 2
#define LED_PIN 12 // If defined we will blink this LED #define LED_PIN 12 // If defined we will blink this LED
//#define BUTTON_PIN 36 // If defined, this will be used for user button presses (ToDo problem on that line on debug screen --> Long press start!) //#define BUTTON_PIN 36 // If defined, this will be used for user button presses (ToDo problem on that line on debug screen -->
//#define BUTTON_NEED_PULLUP //GPIOs 34 to 39 are GPIs – input only pins. These pins don’t have internal pull-ups or pull-down resistors. //Long press start!) #define BUTTON_NEED_PULLUP //GPIOs 34 to 39 are GPIs – input only pins. These pins don’t have internal
//pull-ups or pull-down resistors.
#define USE_RF95 #define USE_RF95
#define LORA_DIO0 38 // a No connect on the SX1262 module #define LORA_DIO0 38 // a No connect on the SX1262 module

7
src/main.cpp
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@ -305,12 +305,15 @@ void setup()
#ifdef BUTTON_PIN #ifdef BUTTON_PIN
#ifndef NO_ESP32 #ifndef NO_ESP32
// If BUTTON_PIN is held down during the startup process,
// force the device to go into a SoftAP mode.
bool forceSoftAP = 0; bool forceSoftAP = 0;
// If the button is connected to GPIO 12, don't enable the ability to use
// meshtasticAdmin on the device.
pinMode(BUTTON_PIN, INPUT); pinMode(BUTTON_PIN, INPUT);
#ifdef BUTTON_NEED_PULLUP #ifdef BUTTON_NEED_PULLUP
gpio_pullup_en((gpio_num_t)BUTTON_PIN); gpio_pullup_en((gpio_num_t)BUTTON_PIN);
delay(10);
#endif #endif
// BUTTON_PIN is pulled high by a 12k resistor. // BUTTON_PIN is pulled high by a 12k resistor.