ardupilot/libraries/AP_HAL_AVR/HAL_AVR_APM2_Class.cpp

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#include <AP_HAL.h>
/* To save linker space, we need to make sure the HAL_AVR_APM2 class
* is built iff we are building for HAL_BOARD_APM2. These defines must
* wrap the whole HAL_AVR_APM2 class declaration and definition. */
#if CONFIG_HAL_BOARD == HAL_BOARD_APM2
#include <AP_HAL_AVR.h>
#include "AP_HAL_AVR_private.h"
#include "HAL_AVR_APM2_Class.h"
using namespace AP_HAL;
using namespace AP_HAL_AVR;
AVRUARTDriverISRs(0);
AVRUARTDriverISRs(1);
AVRUARTDriverISRs(2);
AVRUARTDriverInstance(avrUart0Driver, 0);
AVRUARTDriverInstance(avrUart1Driver, 1);
AVRUARTDriverInstance(avrUart2Driver, 2);
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static AVRSemaphore i2cSemaphore;
static AVRI2CDriver avrI2CDriver(&i2cSemaphore);
static APM2SPIDeviceManager apm2SPIDriver;
static AVRAnalogIn avrAnalogIn;
static AVREEPROMStorage avrEEPROMStorage;
static AVRGPIO avrGPIO;
static APM2RCInput apm2RCInput;
static APM2RCOutput apm2RCOutput;
static AVRScheduler avrScheduler;
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static AVRUtil avrUtil;
static ISRRegistry isrRegistry;
HAL_AVR_APM2::HAL_AVR_APM2() :
AP_HAL::HAL(
&avrUart0Driver, /* phys UART0 -> uartA */
&avrUart1Driver, /* phys UART1 -> uartB */
&avrUart2Driver, /* phys UART2 -> uartC */
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NULL, /* no uartD */
&avrI2CDriver,
&apm2SPIDriver,
&avrAnalogIn,
&avrEEPROMStorage,
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&avrUart0Driver,
&avrGPIO,
&apm2RCInput,
&apm2RCOutput,
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&avrScheduler,
&avrUtil )
{}
void HAL_AVR_APM2::init(int argc, char * const argv[]) const {
scheduler->init((void*)&isrRegistry);
/* uartA is the serial port used for the console, so lets make sure
* it is initialized at boot */
uartA->begin(115200, 128, 128);
/* The AVR RCInput drivers take an AP_HAL_AVR::ISRRegistry*
* as the init argument */
rcin->init((void*)&isrRegistry);
rcout->init(NULL);
spi->init(NULL);
i2c->begin();
i2c->setTimeout(100);
analogin->init(NULL);
/* Enable the pullups on the RX pins of the 3 UARTs This is important when
* the RX line is high-Z: capacitive coupling between input and output pins
* can cause bytes written to show up as an input. Occasionally this causes
* us to detect a phantom GPS by seeing our own outgoing config message.
* PE0 : RX0 (uartA)
* PD2 : RX1 (uartB)
* PH0 : RX2 (uartC)
*/
PORTE |= _BV(0);
PORTD |= _BV(2);
PORTH |= _BV(0);
};
const HAL_AVR_APM2 AP_HAL_AVR_APM2;
#endif // CONFIG_HAL_BOARD == HAL_BOARD_APM2