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support touch screen for xidatong-riscv64 on nuttx

This commit is contained in:
wgzAIIT 2022-10-25 16:27:25 +08:00
parent c815bb3b6e
commit 6794cb03a8
5 changed files with 515 additions and 1 deletions
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6
Ubiquitous/Nuttx_Fusion_XiUOS/aiit_board/xidatong-riscv64/Kconfig
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@ -6,7 +6,7 @@
if ARCH_BOARD_XIDATONG_RISCV64
menuconfig BSP_USING_CH376
bool "Using ch376 device"
bool "Using CH376 device"
default n
select K210_16550_UART
select K210_16550_UART3
@ -35,6 +35,10 @@ menuconfig BSP_USING_ENET
bool "Using ENET device"
default n
menuconfig BSP_USING_TOUCH
bool "Using touch device"
default n
menuconfig BSP_USING_CH438
bool "Using CH438 device"
default n

8
Ubiquitous/Nuttx_Fusion_XiUOS/aiit_board/xidatong-riscv64/include/board.h
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@ -111,6 +111,10 @@ extern "C"
#define BSP_ENET_NRST 13
#define BSP_ENET_NINT 14
/* I2C */
#define BSP_IIC_SDA 15
#define BSP_IIC_SCL 17
/* other mode io */
#define GPIO_E220_M0 44
#define GPIO_E220_M1 45
@ -153,6 +157,10 @@ extern "C"
#define FPIOA_ENET_MOSI 23
#define FPIOA_ENET_NCS 31
/* I2C */
#define FPIOA_IIC_SDA 7
#define FPIOA_IIC_SCL 8
/* other mode FPIOA */
#define FPIOA_E220_M0 1
#define FPIOA_E220_M1 2

5
Ubiquitous/Nuttx_Fusion_XiUOS/aiit_board/xidatong-riscv64/src/Makefile
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@ -53,4 +53,9 @@ endif
ifeq ($(CONFIG_BSP_USING_ENET),y)
CSRCS += k210_w5500.c
endif
ifeq ($(CONFIG_BSP_USING_TOUCH),y)
CSRCS += k210_touch.c
endif
include $(TOPDIR)/boards/Board.mk

409
Ubiquitous/Nuttx_Fusion_XiUOS/aiit_board/xidatong-riscv64/src/k210_touch.c Normal file
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@ -0,0 +1,409 @@
/*
* Copyright (c) 2022 AIIT XUOS Lab
* XiUOS is licensed under Mulan PSL v2.
* You can use this software according to the terms and conditions of the Mulan PSL v2.
* You may obtain a copy of Mulan PSL v2 at:
* http://license.coscl.org.cn/MulanPSL2
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
* See the Mulan PSL v2 for more details.
*/
/**
* @file k210_touch.c
* @brief gt911 touch driver
* @version 1.0
* @author AIIT XUOS Lab
* @date 2022.10.25
*/
/****************************************************************************
* Included Files
****************************************************************************/
#include "k210_touch.h"
/****************************************************************************
* Name: IIC_Init
* Description: i2c pin mode configure
* input: None
* output: None
* return:none
****************************************************************************/
void IIC_Init(void)
{
/* config simluate IIC bus */
k210_fpioa_config(BSP_IIC_SDA, GT911_FUNC_GPIO(FPIOA_IIC_SDA));
k210_fpioa_config(BSP_IIC_SCL, GT911_FUNC_GPIO(FPIOA_IIC_SCL));
k210_gpiohs_set_direction(FPIOA_IIC_SDA, GPIO_DM_OUTPUT);
k210_gpiohs_set_direction(FPIOA_IIC_SCL, GPIO_DM_OUTPUT);
}
/****************************************************************************
* Name: SDA_IN
* Description: set sda input mode
* input: None
* output: None
* return:none
****************************************************************************/
void SDA_IN(void)
{
k210_gpiohs_set_direction(FPIOA_IIC_SDA, GPIO_DM_INPUT_PULL_UP);
}
/****************************************************************************
* Name: SDA_OUT
* Description: set sda output mode
* input: None
* output: None
* return:none
****************************************************************************/
void SDA_OUT(void)
{
k210_gpiohs_set_direction(FPIOA_IIC_SDA, GPIO_DM_OUTPUT);
}
/****************************************************************************
* Name: READ_SDA
* Description: read sda value
* input: None
* output: None
* return: sda pin value
****************************************************************************/
uint8_t READ_SDA(void)
{
return k210_gpiohs_get_value(FPIOA_IIC_SDA);
}
/****************************************************************************
* Name: IIC_SCL
* Description: set the value of scl
* input: val:the value to be set
* output: None
* return: None
****************************************************************************/
void IIC_SCL(uint8_t val)
{
if (val)
k210_gpiohs_set_value(FPIOA_IIC_SCL,GPIO_PV_HIGH);
else
{
k210_gpiohs_set_value(FPIOA_IIC_SCL,GPIO_PV_LOW);
}
}
/****************************************************************************
* Name: IIC_SDA
* Description: set the value of sda
* input: val:the value to be set
* output: None
* return: None
****************************************************************************/
void IIC_SDA(uint8_t val)
{
if (val)
k210_gpiohs_set_value(FPIOA_IIC_SDA,GPIO_PV_HIGH);
else
{
k210_gpiohs_set_value(FPIOA_IIC_SDA,GPIO_PV_LOW);
}
}
/****************************************************************************
* Name: IIC_Start
* Description: Generate i2c start signal
* input: None
* output: None
* return: None
****************************************************************************/
void IIC_Start(void)
{
SDA_OUT();
IIC_SDA(1);
IIC_SCL(1);
up_mdelay(30);
IIC_SDA(0);
up_mdelay(2);
IIC_SCL(0);
}
/****************************************************************************
* Name: IIC_Start
* Description: Generate i2c stop signal
* input: None
* output: None
* return: None
****************************************************************************/
void IIC_Stop(void)
{
SDA_OUT();
IIC_SCL(1);
up_mdelay(30);
IIC_SDA(0);
up_mdelay(2);
IIC_SDA(1);
}
/*******************************************************************************************
* Name: IIC_Wait_Ack
* Description: Wait for the reply signal to arrive
* input: None
* output: None
* return: Return value: 1:failed to receive response,0:the received response is successful.
********************************************************************************************/
uint8_t IIC_Wait_Ack(void)
{
uint16_t ucErrTime=0;
SDA_IN();
IIC_SDA(1);
IIC_SCL(1);
up_mdelay(2);
while(READ_SDA())
{
ucErrTime++;
if(ucErrTime>2500)
{
IIC_Stop();
return 1;
}
up_mdelay(2);
}
IIC_SCL(0);
return 0;
}
/****************************************************************************
* Name: IIC_Ack
* Description: generate ack response
* input: None
* output: None
* return: None
****************************************************************************/
void IIC_Ack(void)
{
IIC_SCL(0);
SDA_OUT();
up_mdelay(2);
IIC_SDA(0);
up_mdelay(2);
IIC_SCL(1);
up_mdelay(2);
IIC_SCL(0);
}
/****************************************************************************
* Name: IIC_NAck
* Description: No ACK response is generated
* input: None
* output: None
* return: None
****************************************************************************/
void IIC_NAck(void)
{
IIC_SCL(0);
SDA_OUT();
up_mdelay(2);
IIC_SDA(1);
up_mdelay(2);
IIC_SCL(1);
up_mdelay(2);
IIC_SCL(0);
}
/****************************************************************************
* Name: IIC_Send_Byte
* Description: IIC sends a byte,Return whether the slave has a response
* input: None
* output: None
* return: 1:there is a response,0:no response
****************************************************************************/
void IIC_Send_Byte(uint8_t txd)
{
uint8_t t;
SDA_OUT();
IIC_SCL(0);
up_mdelay(2);
for(t=0;t<8;t++)
{
IIC_SDA((txd&0x80)>>7);
txd<<=1;
IIC_SCL(1);
up_mdelay(2);
IIC_SCL(0);
up_mdelay(2);
}
}
/****************************************************************************
* Name: IIC_Read_Byte
* Description: Read 1 byte, when ack=1, send ACK, when ack=0, send nACK
* input: None
* output: None
* return: Returns one byte of data read
****************************************************************************/
uint8_t IIC_Read_Byte(uint8_t ack)
{
uint8_t i,receive=0;
SDA_IN();
up_mdelay(30);
for(i=0;i<8;i++ )
{
IIC_SCL(0);
up_mdelay(2);
IIC_SCL(1);
up_udelay(1);
receive<<=1;
if(READ_SDA())receive++;
up_udelay(1);
}
if (!ack)
IIC_NAck();
else
IIC_Ack();
return receive;
}
/***********************************************************************************
* Name: GT911_WR_Reg
* Description: Write data to GT911 once
* input: reg: start register address,buf: data cache area,len: write data length
* output: None
* return: Return value: 0, success; 1, failure.
***********************************************************************************/
static uint8_t GT911_WR_Reg(uint16_t reg,uint8_t *buf,uint8_t len)
{
uint8_t i;
uint8_t ret=0;
IIC_Start();
IIC_Send_Byte(CT_CMD_WR);
IIC_Wait_Ack();
IIC_Send_Byte(reg>>8);
IIC_Wait_Ack();
IIC_Send_Byte(reg&0XFF);
IIC_Wait_Ack();
for(i=0;i<len;i++)
{
IIC_Send_Byte(buf[i]);
ret=IIC_Wait_Ack();
if(ret)break;
}
IIC_Stop();
return ret;
}
/***********************************************************************************
* Name: GT911_RD_Reg
* Description: Read data from GT911 once
* input: reg: start register address,buf: data cache area,len: read data length
* output: None
* return: None
***********************************************************************************/
static void GT911_RD_Reg(uint16_t reg,uint8_t *buf,uint8_t len)
{
uint8_t i;
IIC_Start();
IIC_Send_Byte(CT_CMD_WR);
IIC_Wait_Ack();
IIC_Send_Byte(reg>>8);
IIC_Wait_Ack();
IIC_Send_Byte(reg&0XFF);
IIC_Wait_Ack();
IIC_Stop();
IIC_Start();
IIC_Send_Byte(CT_CMD_RD);
IIC_Wait_Ack();
for(i=0;i<len;i++)
{
buf[i]=IIC_Read_Byte(i==(len-1)?0:1);
}
IIC_Stop();
}
/***********************************************************************************
* Name: GT911_ReadFirmwareVersion
* Description: Get firmware version number
* input: None
* output: None
* return: version number
***********************************************************************************/
static uint16_t GT911_ReadFirmwareVersion(void)
{
uint8_t buf[2];
GT911_RD_Reg(GT911_FIRMWARE_VERSION_REG, buf, 2);
return ((uint16_t)buf[1] << 8) + buf[0];
}
/***********************************************************************************
* Name: GT911_Scan
* Description: point:structure to store coordinates
* input: None
* output: None
* return: Returns true for touch, false for no touch
***********************************************************************************/
bool GT911_Scan(POINT* point)
{
GT911_Dev Dev_Now;
uint8_t Clearbuf = 0;
uint8_t buf[41];
GT911_RD_Reg(GT911_READ_XY_REG, buf, 1);
if ((buf[0]&0x80) == 0x00)
{
GT911_WR_Reg(GT911_READ_XY_REG, (uint8_t *)&Clearbuf, 1);
return false;
}
else
{
Dev_Now.TouchCount = buf[0] & 0x0f;
if((Dev_Now.TouchCount > 5) || (Dev_Now.TouchCount == 0) )
{
GT911_WR_Reg(GT911_READ_XY_REG, (uint8_t *)&Clearbuf, 1);
return false;
}
GT911_RD_Reg(GT911_READ_XY_REG + 1, &buf[1], Dev_Now.TouchCount*8);
GT911_WR_Reg(GT911_READ_XY_REG, (uint8_t *)&Clearbuf, 1);
for (uint8_t i = 0;i < Dev_Now.TouchCount; i++)
{
Dev_Now.Touchkeytrackid[i] = buf[1+(8*i)];
Dev_Now.X[i] = ((uint16_t)buf[3+(8*i)] << 8) + buf[2+(8*i)];
Dev_Now.Y[i] = ((uint16_t)buf[5+(8*i)] << 8) + buf[4+(8*i)];
Dev_Now.S[i] = ((uint16_t)buf[7+(8*i)] << 8) + buf[6+(8*i)];
if(Dev_Now.Y[i] < 20) Dev_Now.Y[i] = 20;
if(Dev_Now.Y[i] > GT911_MAX_HEIGHT -20) Dev_Now.Y[i]=GT911_MAX_HEIGHT - 20;
if(Dev_Now.X[i] < 20) Dev_Now.X[i] = 20;
if(Dev_Now.X[i] > GT911_MAX_WIDTH-20) Dev_Now.X[i] = GT911_MAX_WIDTH - 20;
point->X = Dev_Now.X[i];
point->Y = Dev_Now.Y[i];
}
}
return true;
}
/***********************************************************************************
* Name: GT911_test
* Description: gt911 test code
* input: None
* output: None
* return: Returns true for touch, false for no touch
***********************************************************************************/
void GT911_test(void)
{
uint16_t res;
POINT point = {0, 0};
IIC_Init();
res = GT911_ReadFirmwareVersion();
printf("FirmwareVersion:%2x\n",res);
while(1)
{
if(GT911_Scan(&point))
{
printf("Now touch point:(%d,%d)\n",point.X,point.X);
}
}
}

88
Ubiquitous/Nuttx_Fusion_XiUOS/aiit_board/xidatong-riscv64/src/k210_touch.h Normal file
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@ -0,0 +1,88 @@
/*
* Copyright (c) 2022 AIIT XUOS Lab
* XiUOS is licensed under Mulan PSL v2.
* You can use this software according to the terms and conditions of the Mulan PSL v2.
* You may obtain a copy of Mulan PSL v2 at:
* http://license.coscl.org.cn/MulanPSL2
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
* See the Mulan PSL v2 for more details.
*/
/**
* @file k210_touch.h
* @brief gt911 touch driver
* @version 1.0
* @author AIIT XUOS Lab
* @date 2022.10.25
*/
#ifndef _K210_TOUCH_H_
#define _K210_TOUCH_H_
#include <nuttx/config.h>
#include <nuttx/kmalloc.h>
#include <nuttx/board.h>
#include <arch/board/board.h>
#include <nuttx/time.h>
#include <errno.h>
#include <stddef.h>
#include <stdint.h>
#include <stdbool.h>
#include <stdio.h>
#include <debug.h>
#include <assert.h>
#include <nuttx/time.h>
#include <nuttx/fs/fs.h>
#include "k210_config.h"
#include "k210_fpioa.h"
#include "k210_gpiohs.h"
#include "nuttx/arch.h"
#include "k210_gpio_common.h"
#define GT911_FUNC_GPIO(n) ((K210_IO_FUNC_GPIOHS0 + n) | K210_IOFLAG_GPIOHS)
#define GT911_MAX_WIDTH (uint16_t)800
#define GT911_MAX_HEIGHT (uint16_t)480
#define CT_CMD_WR (uint8_t)0XBA
#define CT_CMD_RD (uint8_t)0XBB
#define CT_MAX_TOUCH (uint8_t)5
#define GT911_COMMAND_REG (uint16_t)0x8040
#define GT911_CONFIG_REG (uint16_t)0x8047
#define GT911_PRODUCT_ID_REG (uint16_t)0x8140
#define GT911_FIRMWARE_VERSION_REG (uint16_t)0x8144
#define GT911_READ_XY_REG (uint16_t)0x814E
typedef struct
{
uint8_t TouchCount;
uint8_t Touchkeytrackid[CT_MAX_TOUCH];
uint16_t X[CT_MAX_TOUCH];
uint16_t Y[CT_MAX_TOUCH];
uint16_t S[CT_MAX_TOUCH];
}GT911_Dev;
typedef struct
{
uint16_t X;
uint16_t Y;
}POINT;
void IIC_Init(void);
void SDA_IN(void);
void SDA_OUT(void);
uint8_t READ_SDA(void);
void IIC_SCL(uint8_t val);
void IIC_SDA(uint8_t val);
void IIC_Start(void);
void IIC_Stop(void);
uint8_t IIC_Wait_Ack(void);
void IIC_Ack(void);
void IIC_NAck(void);
void IIC_Send_Byte(uint8_t txd);
uint8_t IIC_Read_Byte(uint8_t ack);
bool GT911_Scan(POINT* point);
void GT911_test(void);
#endif