AN3128 datasheet(69/105 Pages) STMICROELECTRONICS

69 / 105 page

AN3128

Multi-input embedded GUI library firmware

Doc ID 16918 Rev 5

69/105

Some examples are listed below:

File: hw_config.h

/* Joystick DEFINES */

#define GL_GPIO_JOY_PORT_SOURCE

GPIO_PortSourceGPIOB

#define GL_GPIO_JOY_PIN_SOURCE

GPIO_PinSource14

#define JOY_GPIO_SELECT_PORT

GPIOG

#define JOY_GPIO_SELECT_PIN

GPIO_Pin_7

#define JOY_GPIO_RIGHT_PORT

GPIOG

#define JOY_GPIO_RIGHT_PIN

GPIO_Pin_13

#define JOY_GPIO_LEFT_PORT

GPIOG

#define JOY_GPIO_LEFT_PIN

GPIO_Pin_14

#define JOY_GPIO_UP_PORT

GPIOG

#define JOY_GPIO_UP_PIN

GPIO_Pin_15

#define JOY_GPIO_DOWN_PORT

GPIOD

#define JOY_GPIO_DOWN_PIN

GPIO_Pin_3

#define JOY_GPIO_RCC_APB_PERIPH1

RCC_APB2Periph_GPIOG

#define JOY_GPIO_RCC_APB_PERIPH2

RCC_APB2Periph_GPIOG

#define JOY_GPIO_RCC_APB_PERIPH3

RCC_APB2Periph_GPIOG

#define JOY_GPIO_RCC_APB_PERIPH4

RCC_APB2Periph_GPIOG

#define JOY_GPIO_RCC_APB_PERIPH5

RCC_APB2Periph_GPIOD

#define JOY_EXTI_IRQ_CHANNEL

EXTI15_10_IRQn

#define JOY_EXTI_LINE

EXTI_Line14

#define JOY_I2C_DEVICE_REGISTER

0x88

JOY_HW_Parameters_TypeDef * pJoyParam;

File: hw_config.c

void HWConfig_SetHardwareParams(void)

{

...

/* Assign the following value for Joystick Parameters Structure */

pJoyParam->JOY_PortSource

= GL_GPIO_JOY_PORT_SOURCE;

pJoyParam->JOY_PinSource

= GL_GPIO_JOY_PIN_SOURCE;

pJoyParam->JOY_Select_Port

= JOY_GPIO_SELECT_PORT;

pJoyParam->JOY_Select_Pin

= JOY_GPIO_SELECT_PIN;

pJoyParam->JOY_Right_Port

= JOY_GPIO_RIGHT_PORT;

pJoyParam->JOY_Right_Pin

= JOY_GPIO_RIGHT_PIN;

pJoyParam->JOY_Left_Port

= JOY_GPIO_LEFT_PORT;

pJoyParam->JOY_Left_Pin

= JOY_GPIO_LEFT_PIN;

pJoyParam->JOY_Up_Port

= JOY_GPIO_UP_PORT;

pJoyParam->JOY_Up_Pin

= JOY_GPIO_UP_PIN;

pJoyParam->JOY_Down_Port

= JOY_GPIO_DOWN_PORT;

pJoyParam->JOY_Down_Pin

= JOY_GPIO_DOWN_PIN;

pJoyParam->JOY_Rcc_APBPeriph_GpioSel

= JOY_GPIO_RCC_APB_PERIPH1;

pJoyParam->JOY_Rcc_APBPeriph_GpioRight = JOY_GPIO_RCC_APB_PERIPH2;

pJoyParam->JOY_Rcc_APBPeriph_GpioLeft

= JOY_GPIO_RCC_APB_PERIPH3;

pJoyParam->JOY_Rcc_APBPeriph_GpioUp

= JOY_GPIO_RCC_APB_PERIPH4;

pJoyParam->JOY_Rcc_APBPeriph_GpioDown

= JOY_GPIO_RCC_APB_PERIPH5;

pJoyParam->JOY_Exti_IrqChannel

= JOY_EXTI_IRQ_CHANNEL;

pJoyParam->JOY_Exti_Line

= JOY_EXTI_LINE;

pJoyParam->JOY_DeviceRegister

= JOY_I2C_DEVICE_REGISTER;

...

}

AN3128 Datasheet(PDF) 69 Page - STMicroelectronics

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