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Move to portduino GPIO, adding user button support

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This commit is contained in:
Jonathan Bennett
2023-11-26 15:08:20 -06:00
parent 18cf8ca4fa
commit 102efd4954
6 changed files with 96 additions and 31 deletions
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52
src/platform/portduino/PortduinoGlue.cpp
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@@ -10,6 +10,7 @@
#ifdef ARCH_RASPBERRY_PI
#include "PortduinoGlue.h"
#include "linux/gpio/LinuxGPIOPin.h"
#include "pigpio.h"
#include "yaml-cpp/yaml.h"
#include <iostream>
@@ -101,6 +102,7 @@ void portduinoSetup()
printf("Setting up Meshtastic on Portduino...\n");
#ifdef ARCH_RASPBERRY_PI
gpioInit();
YAML::Node yamlConfig;
if (access("config.yaml", R_OK) == 0) {
@@ -138,6 +140,9 @@ void portduinoSetup()
settingsMap[busy] = yamlConfig["Lora"]["Busy"].as<int>(RADIOLIB_NC);
settingsMap[reset] = yamlConfig["Lora"]["Reset"].as<int>(RADIOLIB_NC);
}
if (yamlConfig["GPIO"]) {
settingsMap[user] = yamlConfig["GPIO"]["User"].as<int>(RADIOLIB_NC);
}
} catch (YAML::Exception e) {
std::cout << "*** Exception " << e.what() << std::endl;
@@ -147,6 +152,34 @@ void portduinoSetup()
std::cout << "Cannot read Bluetooth MAC Address. Please run as root" << std::endl;
exit(EXIT_FAILURE);
}
// Need to bind all the configured GPIO pins so they're not simulated
if (settingsMap.count(cs) > 0 && settingsMap[cs] != RADIOLIB_NC) {
if (initGPIOPin(settingsMap[cs]) != ERRNO_OK) {
settingsMap[cs] = RADIOLIB_NC;
}
}
if (settingsMap.count(irq) > 0 && settingsMap[irq] != RADIOLIB_NC) {
if (initGPIOPin(settingsMap[irq]) != ERRNO_OK) {
settingsMap[irq] = RADIOLIB_NC;
}
}
if (settingsMap.count(busy) > 0 && settingsMap[busy] != RADIOLIB_NC) {
if (initGPIOPin(settingsMap[busy]) != ERRNO_OK) {
settingsMap[busy] = RADIOLIB_NC;
}
}
if (settingsMap.count(reset) > 0 && settingsMap[reset] != RADIOLIB_NC) {
if (initGPIOPin(settingsMap[reset]) != ERRNO_OK) {
settingsMap[reset] = RADIOLIB_NC;
}
}
if (settingsMap.count(user) > 0 && settingsMap[user] != RADIOLIB_NC) {
if (initGPIOPin(settingsMap[user]) != ERRNO_OK) {
settingsMap[user] = RADIOLIB_NC;
}
}
return;
#endif
@@ -194,4 +227,21 @@ void portduinoSetup()
// gpioBind((new SimGPIOPin(LORA_RESET, "LORA_RESET")));
// gpioBind((new SimGPIOPin(LORA_CS, "LORA_CS"))->setSilent());
#endif
}
}
#ifdef ARCH_RASPBERRY_PI
int initGPIOPin(int pinNum)
{
std::string gpio_name = "GPIO" + std::to_string(pinNum);
try {
GPIOPin *csPin;
csPin = new LinuxGPIOPin(pinNum, "gpiochip0", pinNum, gpio_name.c_str());
csPin->setSilent();
gpioBind(csPin);
return ERRNO_OK;
} catch (std::invalid_argument &e) {
std::cout << "Warning, cannot claim pin" << gpio_name << std::endl;
return ERRNO_DISABLED;
}
}
#endif