Common User Interface for USB host Android Open Accessory Protocol.

#include "uhc.h"

Macros
Commands from accessory to Android device
#define	MESSAGE_ATD_SIMPLE_SWITCH 0x01

#define	MESSAGE_ATD_SENSOR_TEMPERATURE 0x10

#define	MESSAGE_ATD_SENSOR_LIGHT 0x11

Commands from Android device to accessory
#define	MESSAGE_DTA_SIMPLE_LED 0x02

#define	MESSAGE_DTA_SIMPLE_DISPLAY_BACKLIGHT 0x03

#define	MESSAGE_DTA_STRING_BASIC 0x20

Functions
void	read_complete (usb_add_t add, usb_ep_t ep, uhd_trans_status_t, iram_size_t)
	Called when Bulk IN Transfer is finished. More...

void	ui_init (void)
	Initializes the user interface. More...

void	ui_uhi_aoa_change (uhc_device_t *dev, bool b_plug)

void	ui_usb_connection_event (uhc_device_t *dev, bool b_present)
	Notify that a USB device has been connected or disconnected. More...

void	ui_usb_enum_event (uhc_device_t *dev, uhc_enum_status_t status)
	Notify the end of a USB device enumeration process. More...

void	ui_usb_message_reception (void)
	Processing of a Message from the Android device. More...

void	ui_usb_mode_change (bool b_host_mode)
	Notify that the USB mode is switched automatically. This is only possible when the ID pin is available. More...

void	ui_usb_sof_event (void)
	Notify that a SOF has been sent (each 1 ms) More...

void	ui_usb_vbus_change (bool b_vbus_present)
	Notify that a Vbus is changed Available only in USB hardware with Vbus monitoring. More...

void	ui_usb_vbus_error (void)
	Notify that a Vbus error has occurred Available only in USB hardware with Vbus monitoring. More...

void	ui_usb_wakeup_event (void)
	Notify that a USB device or the host woke up the USB line. More...

#define MESSAGE_ATD_SENSOR_LIGHT 0x11

#define MESSAGE_ATD_SENSOR_TEMPERATURE 0x10

#define MESSAGE_ATD_SIMPLE_SWITCH 0x01

Referenced by ui_usb_sof_event().

#define MESSAGE_DTA_SIMPLE_DISPLAY_BACKLIGHT 0x03

Referenced by ui_usb_message_reception().

#define MESSAGE_DTA_SIMPLE_LED 0x02

Referenced by ui_usb_message_reception().

#define MESSAGE_DTA_STRING_BASIC 0x20

Referenced by ui_usb_message_reception().

void read_complete	(	usb_add_t	add,
		usb_ep_t	ep,
		uhd_trans_status_t	,
		iram_size_t
	)

Called when Bulk IN Transfer is finished.

References AOA_READ_ERROR, AOA_READ_SUCCESS, AOA_READ_TIMEOUT, read_complete_flag, UHD_TRANS_ABORTED, UHD_TRANS_CRC, UHD_TRANS_DISCONNECT, UHD_TRANS_DT_MISMATCH, UHD_TRANS_NOERROR, UHD_TRANS_NOTRESPONDING, UHD_TRANS_PIDFAILURE, UHD_TRANS_STALL, and UHD_TRANS_TIMEOUT.

Referenced by ui_usb_sof_event().

void ui_init ( void )

Initializes the user interface.

References AOA_READ_TIMEOUT, LED0, LED1, LED2, LED3, LED_Off(), read_complete_flag, ui_buttons_enable(), ui_display_enable(), ui_pwm_init(), and ui_pwm_led_init().

Referenced by main().

void ui_uhi_aoa_change	(	uhc_device_t *	dev,
		bool	b_plug
	)

References ui_aoa_plug.

void ui_usb_connection_event	(	uhc_device_t *	dev,
		bool	b_present
	)

Notify that a USB device has been connected or disconnected.

Parameters

dev	Pointer on USB device information
b_present	true, if the device has been connected

References uhi_aoa_uninstall(), ui_display_init_rtc(), ui_display_welcome_msg(), and ui_enum_status.

void ui_usb_enum_event	(	uhc_device_t *	dev,
		uhc_enum_status_t	status
	)

Notify the end of a USB device enumeration process.

Parameters

dev	Pointer on USB device information
status	Status of the USB enumeration

References BLACK, BLUE, et024006_DrawFilledRect(), ET024006_HEIGHT, et024006_PrintString(), ET024006_WIDTH, FONT8x16, ui_display_disable_rtc(), ui_display_draw_textbox(), ui_enum_status, and WHITE.

void ui_usb_message_reception ( void )

Processing of a Message from the Android device.

References BLUE, DISPLAY_FIRST_LINE_X, DISPLAY_FIRST_LINE_Y, DISPLAY_MAX_LINES, DISPLAY_PWM_CHANNEL_ID, et024006_PrintString(), FONT8x16, LED1, LED2_PWM_CHANNEL_ID, LED3_PWM_CHANNEL_ID, LED_Off(), LED_On(), MESSAGE_DTA_SIMPLE_DISPLAY_BACKLIGHT, MESSAGE_DTA_SIMPLE_LED, MESSAGE_DTA_STRING_BASIC, ui_display_clr_screen(), ui_msg, and ui_pwm_update().

Referenced by ui_usb_sof_event().

void ui_usb_mode_change ( bool b_host_mode )

Notify that the USB mode is switched automatically. This is only possible when the ID pin is available.

Parameters

b_host_mode true, if the host mode has been selected

References LED0, LED_Off(), and LED_On().

void ui_usb_sof_event ( void )

Notify that a SOF has been sent (each 1 ms)

References AOA_READ_ONGOING, AOA_READ_SUCCESS, button_changed(), MESSAGE_ATD_SIMPLE_SWITCH, read_complete(), read_complete_flag, uhi_aoa_read(), uhi_aoa_write(), ui_button_state, ui_button_state_toggle, ui_enum_status, ui_msg, and ui_usb_message_reception().

void ui_usb_vbus_change ( bool b_vbus_present )

Notify that a Vbus is changed Available only in USB hardware with Vbus monitoring.

Parameters

b_vbus_present true, if Vbus is high.

void ui_usb_vbus_error ( void )

Notify that a Vbus error has occurred Available only in USB hardware with Vbus monitoring.

void ui_usb_wakeup_event ( void )

Notify that a USB device or the host woke up the USB line.

Microchip® Advanced Software Framework

Macros

Functions