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258 lines
3.5 KiB
258 lines
3.5 KiB
/// -*- tab-width: 4; Mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*- |
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#include <AP_HAL.h> |
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#if CONFIG_HAL_BOARD == HAL_BOARD_VRBRAIN |
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#include "GPIO.h" |
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#include <sys/types.h> |
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#include <sys/stat.h> |
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#include <fcntl.h> |
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#include <unistd.h> |
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/* VRBRAIN headers */ |
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#include <drivers/drv_led.h> |
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#include <drivers/drv_tone_alarm.h> |
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#include <drivers/drv_gpio.h> |
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#include <arch/board/board.h> |
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#include <board_config.h> |
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#define LOW 0 |
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#define HIGH 1 |
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extern const AP_HAL::HAL& hal; |
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using namespace VRBRAIN; |
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VRBRAINGPIO::VRBRAINGPIO() |
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{} |
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void VRBRAINGPIO::init() |
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{ |
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#if defined(CONFIG_ARCH_BOARD_VRBRAIN_V4) || defined(CONFIG_ARCH_BOARD_VRBRAIN_V5) || defined(CONFIG_ARCH_BOARD_VRHERO_V1) |
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_led_fd = open(LED_DEVICE_PATH, O_RDWR); |
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if (_led_fd == -1) { |
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hal.scheduler->panic("Unable to open " LED_DEVICE_PATH); |
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} |
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if (ioctl(_led_fd, LED_OFF, LED_BLUE) != 0) { |
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hal.console->printf("GPIO: Unable to setup GPIO LED BLUE\n"); |
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} |
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if (ioctl(_led_fd, LED_OFF, LED_RED) != 0) { |
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hal.console->printf("GPIO: Unable to setup GPIO LED RED\n"); |
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} |
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#endif |
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_tone_alarm_fd = open("/dev/tone_alarm", O_WRONLY); |
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if (_tone_alarm_fd == -1) { |
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hal.scheduler->panic("Unable to open /dev/tone_alarm"); |
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} |
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} |
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void VRBRAINGPIO::pinMode(uint8_t pin, uint8_t output) |
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{ |
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switch (pin) { |
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} |
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} |
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int8_t VRBRAINGPIO::analogPinToDigitalPin(uint8_t pin) |
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{ |
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return -1; |
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} |
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uint8_t VRBRAINGPIO::read(uint8_t pin) { |
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switch (pin) { |
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} |
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return LOW; |
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} |
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void VRBRAINGPIO::write(uint8_t pin, uint8_t value) |
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{ |
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switch (pin) { |
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#if defined(CONFIG_ARCH_BOARD_VRBRAIN_V4) || defined(CONFIG_ARCH_BOARD_VRBRAIN_V5) || defined(CONFIG_ARCH_BOARD_VRHERO_V1) |
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case HAL_GPIO_A_LED_PIN: // Arming LED |
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if (value == LOW) { |
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ioctl(_led_fd, LED_OFF, LED_RED); |
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} else { |
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ioctl(_led_fd, LED_ON, LED_RED); |
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} |
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break; |
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case HAL_GPIO_B_LED_PIN: // not used yet |
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break; |
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case HAL_GPIO_C_LED_PIN: // GPS LED |
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if (value == LOW) { |
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ioctl(_led_fd, LED_OFF, LED_BLUE); |
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} else { |
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ioctl(_led_fd, LED_ON, LED_BLUE); |
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} |
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break; |
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#endif |
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case VRBRAIN_GPIO_PIEZO_PIN: // Piezo beeper |
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if (value == LOW) { // this is inverted |
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ioctl(_tone_alarm_fd, TONE_SET_ALARM, 3); // Alarm on !! |
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//::write(_tone_alarm_fd, &user_tune, sizeof(user_tune)); |
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} else { |
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ioctl(_tone_alarm_fd, TONE_SET_ALARM, 0); // Alarm off !! |
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} |
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break; |
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} |
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} |
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void VRBRAINGPIO::toggle(uint8_t pin) |
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{ |
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write(pin, !read(pin)); |
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} |
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/* Alternative interface: */ |
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AP_HAL::DigitalSource* VRBRAINGPIO::channel(uint16_t n) { |
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return new VRBRAINDigitalSource(0); |
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} |
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/* Interrupt interface: */ |
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bool VRBRAINGPIO::attach_interrupt(uint8_t interrupt_num, AP_HAL::Proc p, uint8_t mode) |
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{ |
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return true; |
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} |
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/* |
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return true when USB connected |
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*/ |
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bool VRBRAINGPIO::usb_connected(void) |
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{ |
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return stm32_gpioread(GPIO_OTGFS_VBUS); |
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} |
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VRBRAINDigitalSource::VRBRAINDigitalSource(uint8_t v) : |
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_v(v) |
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{} |
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void VRBRAINDigitalSource::mode(uint8_t output) |
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{} |
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uint8_t VRBRAINDigitalSource::read() { |
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return _v; |
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} |
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void VRBRAINDigitalSource::write(uint8_t value) { |
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_v = value; |
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} |
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void VRBRAINDigitalSource::toggle() { |
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_v = !_v; |
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} |
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#endif // CONFIG_HAL_BOARD
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