ardupilot/libraries/AP_HAL_AVR/HAL_AVR_APM1_Class.cpp

90 lines
2.5 KiB
C++

#include <AP_HAL.h>
/* To save linker space, we need to make sure the HAL_AVR_APM1 class
* is built iff we are building for HAL_BOARD_APM1. These defines must
* wrap the whole HAL_AVR_APM1 class declaration and definition. */
#if CONFIG_HAL_BOARD == HAL_BOARD_APM1
#include <AP_HAL_AVR.h>
#include "AP_HAL_AVR_private.h"
#include "HAL_AVR_APM1_Class.h"
using namespace AP_HAL;
using namespace AP_HAL_AVR;
AVRUARTDriverISRs(0);
AVRUARTDriverISRs(1);
AVRUARTDriverISRs(3);
AVRUARTDriverInstance(avrUart0Driver, 0);
AVRUARTDriverInstance(avrUart1Driver, 1);
AVRUARTDriverInstance(avrUart3Driver, 3);
static AVRSemaphore i2cSemaphore;
static AVRI2CDriver avrI2CDriver(&i2cSemaphore);
static APM1SPIDeviceManager apm1SPIDriver;
static AVRAnalogIn avrAnalogIn;
static AVREEPROMStorage avrEEPROMStorage;
static AVRGPIO avrGPIO;
static APM1RCInput apm1RCInput;
static APM1RCOutput apm1RCOutput;
static AVRScheduler avrScheduler;
static AVRUtil avrUtil;
static ISRRegistry isrRegistry;
/* On APM1 the physical UART2 is used for SPI. */
HAL_AVR_APM1::HAL_AVR_APM1() :
AP_HAL::HAL(
&avrUart0Driver, /* phys UART0 -> uartA */
&avrUart1Driver, /* phys UART1 -> uartB */
&avrUart3Driver, /* phys UART3 -> uartC */
NULL, /* no uartD */
NULL, /* no uartE */
&avrI2CDriver,
&apm1SPIDriver,
&avrAnalogIn,
&avrEEPROMStorage,
&avrUart0Driver,
&avrGPIO,
&apm1RCInput,
&apm1RCOutput,
&avrScheduler,
&avrUtil )
{}
void HAL_AVR_APM1::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);
/* 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)
* PJ0 : RX3 (uartC)
*/
PORTE |= _BV(0);
PORTD |= _BV(2);
PORTJ |= _BV(0);
};
const HAL_AVR_APM1 AP_HAL_AVR_APM1;
#endif // CONFIG_HAL_BOARD == HAL_BOARD_APM1