diff options
Diffstat (limited to 'bsp/ls1cdev/drivers/touch.c')
| -rw-r--r-- | bsp/ls1cdev/drivers/touch.c | 607 |
1 files changed, 0 insertions, 607 deletions
diff --git a/bsp/ls1cdev/drivers/touch.c b/bsp/ls1cdev/drivers/touch.c deleted file mode 100644 index 5172b7a359..0000000000 --- a/bsp/ls1cdev/drivers/touch.c +++ /dev/null @@ -1,607 +0,0 @@ -/* - * File : touch.c - * This file is part of RT-Thread RTOS - * COPYRIGHT (C) 2006 - 2012, RT-Thread Development Team - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - * - * Change Logs: - * Date Author Notes - * 2017-12-30 Sundm75 first version - */ - -#include <stdbool.h> -#include <drivers/spi.h> -#include "ls1c.h" -#include "ls1c_gpio.h" -#include "ls1c_spi.h" -#include "drv_spi.h" -#include "touch.h" - -#include <rtgui/calibration.h> -#include <rtthread.h> -#include <rtdevice.h> -#include <rtgui/event.h> -#include <rtgui/kbddef.h> -#include <rtgui/rtgui_server.h> -#include <rtgui/rtgui_system.h> - -//����Ļ ����Ҫ _ILI_HORIZONTAL_DIRECTION_ -//����Ļ ��Ҫ _ILI_HORIZONTAL_DIRECTION_ - -//#define _ILI_HORIZONTAL_DIRECTION_ - -#if defined(_ILI_HORIZONTAL_DIRECTION_) -#define X_WIDTH 272 -#define Y_WIDTH 480 -#else -#define X_WIDTH 480 -#define Y_WIDTH 272 -#endif -/* -TOUCH INT: 84 -*/ -#define IS_TOUCH_UP() gpio_get(TOUCH_INT_PIN) - -#define led_gpio 52 // led1ָʾ - -#define DUMMY 0x00 - -/* -7 6 - 4 3 2 1-0 -s A2-A0 MODE SER/DFR PD1-PD0 -*/ -/* bit[1:0] power-down */ -#define POWER_MODE0 (0) /* Power-Down Between Conversions. When */ - /* each conversion is finished, the converter */ - /* enters a low-power mode. At the start of the */ - /* next conversion, the device instantly powers up */ - /* to full power. There is no need for additional */ - /* delays to ensure full operation, and the very first */ - /* conversion is valid. The Y? switch is on when in */ - /* power-down.*/ -#define POWER_MODE1 (1) /* Reference is off and ADC is on. */ -#define POWER_MODE2 (2) /* Reference is on and ADC is off. */ -#define POWER_MODE3 (3) /* Device is always powered. Reference is on and */ - /* ADC is on. */ -/* bit[2] SER/DFR */ -#define DIFFERENTIAL (0<<2) -#define SINGLE_ENDED (1<<2) -/* bit[3] mode */ -#define MODE_12BIT (0<<3) -#define MODE_8BIT (1<<3) -/* bit[6:4] differential mode */ -#define MEASURE_X (((1<<2) | (0<<1) | (1<<0))<<4) -#define MEASURE_Y (((0<<2) | (0<<1) | (1<<0))<<4) -#define MEASURE_Z1 (((0<<2) | (1<<1) | (1<<0))<<4) -#define MEASURE_Z2 (((1<<2) | (0<<1) | (0<<0))<<4) -/* bit[7] start */ -#define START (1<<7) - -/* X Y change. */ -#define TOUCH_MSR_X (START | MEASURE_X | MODE_12BIT | DIFFERENTIAL | POWER_MODE0) -#define TOUCH_MSR_Y (START | MEASURE_Y | MODE_12BIT | DIFFERENTIAL | POWER_MODE0) - - -/* ���¶���XPT2046 �Ĵ�����λ��*/ -#if defined(_ILI_HORIZONTAL_DIRECTION_) -#define MIN_X_DEFAULT 2047 -#define MAX_X_DEFAULT 47 -#define MIN_Y_DEFAULT 102 -#define MAX_Y_DEFAULT 1939 -#else -#define MIN_X_DEFAULT 47 -#define MAX_X_DEFAULT 2047 -#define MIN_Y_DEFAULT 1939 -#define MAX_Y_DEFAULT 102 -#endif - - - -#define SAMP_CNT 8 //the adc array size -#define SAMP_CNT_DIV2 4 //the middle of the adc array -#define SH 10 // Valve value - - -/*�궨�� */ -#define TOUCH_SPI_X SPI1 -#define TOUCH_INT_PIN 84 -#define TOUCH_CS_PIN 49 -#define TOUCH_SCK_PIN 46 -#define TOUCH_MISO_PIN 47 -#define TOUCH_MOSI_PIN 48 - - -/*�����ṹ�彫��Ҫ�õ��Ķ������д��*/ -struct rtgui_touch_device -{ - struct rt_device parent; /* ����ע���豸*/ - - rt_uint16_t x, y; /* ��¼��ȡ����λ��ֵ */ - - rt_bool_t calibrating; /* ����У��־ */ - rt_touch_calibration_func_t calibration_func;/* �������� ����ָ�� */ - - rt_uint16_t min_x, max_x; /* У�� X ������С ���ֵ */ - rt_uint16_t min_y, max_y; /* У�� Y ������С ���ֵ */ - - struct rt_spi_device * spi_device; /* SPI �豸 ����ͨ�� */ - struct rt_event event; /* �¼�ͬ�������ڡ����жϡ� */ -}; -static struct rtgui_touch_device *touch = RT_NULL; - -static rt_err_t touch_send_then_recv(struct rt_spi_device *device, - const void *send_buf, - rt_size_t send_length, - void *recv_buf, - rt_size_t recv_length) -{ - rt_err_t result; - struct rt_spi_message message; - rt_uint8_t dummy[128] ; - - rt_memset(dummy, DUMMY, sizeof(dummy)); - - RT_ASSERT(device != RT_NULL); - RT_ASSERT(device->bus != RT_NULL); - - result = rt_mutex_take(&(device->bus->lock), RT_WAITING_FOREVER); - if (result == RT_EOK) - { - if (device->bus->owner != device) - { - /* not the same owner as current, re-configure SPI bus */ - result = device->bus->ops->configure(device, &device->config); - if (result == RT_EOK) - { - /* set SPI bus owner */ - device->bus->owner = device; - } - else - { - /* configure SPI bus failed */ - result = -RT_EIO; - goto __exit; - } - } - - /* send data */ - message.send_buf = send_buf; - message.recv_buf = RT_NULL; - message.length = send_length; - message.cs_take = 1; - message.cs_release = 0; - message.next = RT_NULL; - - result = device->bus->ops->xfer(device, &message); - if (result == 0) - { - result = -RT_EIO; - goto __exit; - } - - /* recv data */ - message.send_buf = dummy; - message.recv_buf = recv_buf; - message.length = recv_length; - message.cs_take = 0; - message.cs_release = 1; - message.next = RT_NULL; - - result = device->bus->ops->xfer(device, &message); - if (result == 0) - { - result = -RT_EIO; - goto __exit; - } - - result = RT_EOK; - } - else - { - return -RT_EIO; - } - -__exit: - rt_mutex_release(&(device->bus->lock)); - - return result; -} - - -static void rtgui_touch_calculate(void) -{ - if (touch != RT_NULL) - { - /* read touch */ - { - rt_uint8_t i, j, k, min; - rt_uint16_t temp; - rt_uint16_t tmpxy[2][SAMP_CNT]; - rt_uint8_t send_buffer[1]; - rt_uint8_t recv_buffer[2]; - for(i=0; i<SAMP_CNT; i++) - { - send_buffer[0] = TOUCH_MSR_X; - touch_send_then_recv(touch->spi_device, send_buffer, 1, recv_buffer, 2); - rt_kprintf("touch x: %d ",(recv_buffer[0]*256|recv_buffer[1])>>4); -#if defined(_ILI_HORIZONTAL_DIRECTION_) - tmpxy[1][i] = (recv_buffer[0]<<8)|recv_buffer[1] ; - tmpxy[1][i] >>= 4; -#else - tmpxy[0][i] = (recv_buffer[0]<<8)|recv_buffer[1] ; - tmpxy[0][i] >>=4; - -#endif - send_buffer[0] = TOUCH_MSR_Y; - touch_send_then_recv(touch->spi_device, send_buffer, 1, recv_buffer, 2); - rt_kprintf("touch y: %d \n",(recv_buffer[0]*256|recv_buffer[1])>>4); - -#if defined(_ILI_HORIZONTAL_DIRECTION_) - tmpxy[0][i] = (recv_buffer[0]<<8)|recv_buffer[1] ; - tmpxy[0][i] >>= 4; -#else - tmpxy[1][i] = (recv_buffer[0]<<8)|recv_buffer[1] ; - tmpxy[1][i] >>= 4; -#endif - } - /*�ٴδ����ж�*/ - send_buffer[0] = 1 << 7; - touch_send_then_recv(touch->spi_device, send_buffer, 1, recv_buffer, 2); - touch_send_then_recv(touch->spi_device, send_buffer, 1, recv_buffer, 2); - /* calculate average */ - { - rt_uint32_t total_x = 0; - rt_uint32_t total_y = 0; - for(k=0; k<2; k++) - { - // sorting the ADC value - for(i=0; i<SAMP_CNT-1; i++) - { - min=i; - for (j=i+1; j<SAMP_CNT; j++) - { - if (tmpxy[k][min] > tmpxy[k][j]) - min=j; - } - temp = tmpxy[k][i]; - tmpxy[k][i] = tmpxy[k][min]; - tmpxy[k][min] = temp; - } - //check value for Valve value - if((tmpxy[k][SAMP_CNT_DIV2+1]-tmpxy[k][SAMP_CNT_DIV2-2]) > SH) - { - return; - } - } - total_x=tmpxy[0][SAMP_CNT_DIV2-2]+tmpxy[0][SAMP_CNT_DIV2-1]+tmpxy[0][SAMP_CNT_DIV2]+tmpxy[0][SAMP_CNT_DIV2+1]; - total_y=tmpxy[1][SAMP_CNT_DIV2-2]+tmpxy[1][SAMP_CNT_DIV2-1]+tmpxy[1][SAMP_CNT_DIV2]+tmpxy[1][SAMP_CNT_DIV2+1]; - //calculate average value - touch->x=total_x>>2; - touch->y=total_y>>2; - rt_kprintf("touch->x:%d touch->y:%d\r\n", touch->x, touch->y); - } /* calculate average */ - } /* read touch */ - - /* if it's not in calibration status */ - /*����ֵ����*/ - if (touch->calibrating != RT_TRUE) - { - if (touch->max_x > touch->min_x) - { - touch->x = (touch->x - touch->min_x) * X_WIDTH/(touch->max_x - touch->min_x); - } - else - { - touch->x = (touch->min_x - touch->x) * X_WIDTH/(touch->min_x - touch->max_x); - } - - if (touch->max_y > touch->min_y) - { - touch->y = (touch->y - touch->min_y) * Y_WIDTH /(touch->max_y - touch->min_y); - } - else - { - touch->y = (touch->min_y - touch->y) * Y_WIDTH /(touch->min_y - touch->max_y); - } - } - } -} -#include "ls1c_regs.h" -#define TOUCH_INT_EN __REG32(LS1C_INT4_EN) -rt_inline void touch_int_cmd(rt_bool_t NewState) -{ - if(NewState == RT_TRUE) - { - //TOUCH_INT_EN |= (1<<(TOUCH_INT_PIN-64)); - reg_set_one_bit(LS1C_INT4_EN, 1<<(TOUCH_INT_PIN-64)); - } - else - { - //TOUCH_INT_EN &=(~ (1<<(TOUCH_INT_PIN-64))); - reg_clr_one_bit(LS1C_INT4_EN, 1<<(TOUCH_INT_PIN-64)); - } - -} - -void ls1c_touch_irqhandler(void) /* TouchScreen */ -{ - if(gpio_get(TOUCH_INT_PIN)==0) - { - /* ���������º���� */ - if (gpio_level_low == gpio_get(led_gpio)) - gpio_set(led_gpio, gpio_level_high); - else - gpio_set(led_gpio, gpio_level_low); - touch_int_cmd(RT_FALSE); - rt_event_send(&touch->event, 1); - } -} - -/*�ܽų�ʼ���������жϴ�SPI1 CS0 �豸*/ -rt_inline void touch_init(void) -{ - unsigned int touch_int_gpio = TOUCH_INT_PIN; // �������ж� - int touch_irq = LS1C_GPIO_TO_IRQ(touch_int_gpio); - - // ��ʼ�������ж� - gpio_set_irq_type(touch_int_gpio, IRQ_TYPE_EDGE_FALLING); - rt_hw_interrupt_install(touch_irq, ls1c_touch_irqhandler, RT_NULL, "touch"); - rt_hw_interrupt_umask(touch_irq); - gpio_init(touch_int_gpio, gpio_mode_input); - - // ��ʼ��led - gpio_init(led_gpio, gpio_mode_output); - gpio_set(led_gpio, gpio_level_high); -} - - -/* RT-Thread Device Interface */ -static rt_err_t rtgui_touch_init (rt_device_t dev) -{ - rt_uint8_t send; - rt_uint8_t recv_buffer[2]; - struct rtgui_touch_device * touch_device = (struct rtgui_touch_device *)dev; - - touch_init(); - rt_kprintf("touch_init ...\n"); - send = START | DIFFERENTIAL | POWER_MODE0; - touch_send_then_recv(touch->spi_device, &send, 1, recv_buffer, 2); - - return RT_EOK; -} - -static rt_err_t rtgui_touch_control (rt_device_t dev, int cmd, void *args) -{ - switch (cmd) - { - case RT_TOUCH_CALIBRATION: - touch->calibrating = RT_TRUE; - touch->calibration_func = (rt_touch_calibration_func_t)args; - break; - - case RT_TOUCH_NORMAL: - touch->calibrating = RT_FALSE; - break; - - case RT_TOUCH_CALIBRATION_DATA: - { - struct calibration_data* data; - data = (struct calibration_data*) args; - - //update - touch->min_x = data->min_x; - touch->max_x = data->max_x; - touch->min_y = data->min_y; - touch->max_y = data->max_y; - } - break; - } - - return RT_EOK; -} - -void _set_mouse_position(rt_uint32_t X, rt_uint32_t Y) -{} -static void touch_thread_entry(void *parameter) -{ - rt_bool_t touch_down = RT_FALSE; - rt_uint32_t event_value; - struct rtgui_event_mouse emouse; - static struct _touch_previous - { - rt_uint32_t x; - rt_uint32_t y; - } touch_previous; - - RTGUI_EVENT_MOUSE_BUTTON_INIT(&emouse); - emouse.wid = RT_NULL; - - while(1) - { - /* ���յ������ж��¼� */ - if(rt_event_recv(&touch->event, - 1, - RT_EVENT_FLAG_OR | RT_EVENT_FLAG_CLEAR, - 100, - &event_value) - == RT_EOK) - { - while(1) - { - if (IS_TOUCH_UP()) - { - /* ������̧�� */ - /* touch up */ - emouse.button = (RTGUI_MOUSE_BUTTON_LEFT |RTGUI_MOUSE_BUTTON_UP); - - /* use old value */ - emouse.x = touch->x; - emouse.y = touch->y; - - if(touch_down != RT_TRUE) - { - touch_int_cmd(RT_TRUE); - break; - } - - if ((touch->calibrating == RT_TRUE) && (touch->calibration_func != RT_NULL)) - { - /* ����У���� */ - /* callback function */ - touch->calibration_func(emouse.x, emouse.y); - - } - else - { - /* ��ui���ʹ������� */ - rtgui_server_post_event(&emouse.parent, sizeof(struct rtgui_event_mouse)); - } - rt_kprintf("touch up: (%d, %d)\n", emouse.x, emouse.y); - - /* clean */ - touch_previous.x = touch_previous.y = 0; - touch_down = RT_FALSE; - - touch_int_cmd(RT_TRUE); - break; - } /* touch up */ - else /* touch down or move */ - { - if(touch_down == RT_FALSE) - { - rt_thread_delay(RT_TICK_PER_SECOND / 10); - } - else - { - rt_thread_delay(5); - } - - if(IS_TOUCH_UP()) continue; - - /* calculation */ - rtgui_touch_calculate(); - - /* send mouse event */ - emouse.parent.type = RTGUI_EVENT_MOUSE_BUTTON; - emouse.parent.sender = RT_NULL; - - emouse.x = touch->x; - emouse.y = touch->y; - _set_mouse_position(emouse.x, emouse.y); - /* ������ */ - /* init mouse button */ - emouse.button = (RTGUI_MOUSE_BUTTON_LEFT |RTGUI_MOUSE_BUTTON_DOWN); - - /* send event to server */ - if (touch->calibrating != RT_TRUE) - { -#define previous_keep 8 - /* filter. */ - if((touch_previous.x > touch->x + previous_keep) - || (touch_previous.x < touch->x - previous_keep) - || (touch_previous.y > touch->y + previous_keep) - || (touch_previous.y < touch->y - previous_keep)) - { - touch_previous.x = touch->x; - touch_previous.y = touch->y; - /* ��ui���ʹ������� */ - rtgui_server_post_event(&emouse.parent, sizeof(struct rtgui_event_mouse)); - if(touch_down == RT_FALSE) - { - touch_down = RT_TRUE; - rt_kprintf("touch down: (%d, %d)\n", emouse.x, emouse.y); - } - else - { - rt_kprintf("touch motion: (%d, %d)\n", emouse.x, emouse.y); - } - } - } - else - { - touch_down = RT_TRUE; - } - } /* touch down or move */ - } /* read touch */ - } /* event recv */ - } /* thread while(1) */ -} - - -rt_err_t rtgui_touch_hw_init(const char * spi_device_name) -{ - rt_uint32_t arg[2]; - struct rt_device * spi_device; - struct rt_thread * touch_thread; - rt_err_t err; - - rt_kprintf("spi1 cs0 start...\n"); - spi_device = rt_device_find("spi10"); - if(spi_device == RT_NULL) - { - rt_kprintf("Did not find spi1, exit thread....\n"); - return; - } - err = rt_device_open(spi_device, RT_DEVICE_OFLAG_RDWR); - if(err != RT_EOK) - { - rt_kprintf("Open spi1 failed %08X, exit thread....\n", err); - return; - } - - /* config spi */ - { - struct rt_spi_configuration cfg; - cfg.data_width = 8; - cfg.mode = RT_SPI_MODE_0; - cfg.max_hz = 200 * 1000; /* 200K */ - rt_spi_configure((struct rt_spi_device *)spi_device, &cfg); - } - - touch = (struct rtgui_touch_device*)rt_malloc (sizeof(struct rtgui_touch_device)); - if (touch == RT_NULL) return RT_ENOMEM; /* no memory yet */ - - /* clear device structure */ - rt_memset(&(touch->parent), 0, sizeof(struct rt_device)); - - rt_event_init(&touch->event, "touch", RT_IPC_FLAG_FIFO); - - touch->spi_device = (struct rt_spi_device *)spi_device; - touch->calibrating = false; - - touch->min_x = MIN_X_DEFAULT; - touch->max_x = MAX_X_DEFAULT; - touch->min_y = MIN_Y_DEFAULT; - touch->max_y = MAX_Y_DEFAULT; - - /* init device structure */ - touch->parent.type = RT_Device_Class_Miscellaneous; - touch->parent.init = rtgui_touch_init; - touch->parent.control = rtgui_touch_control; - touch->parent.user_data = RT_NULL; - - /* register touch device to RT-Thread */ - rt_device_register(&(touch->parent), "touch", RT_DEVICE_FLAG_RDWR); - - - touch_thread = rt_thread_create("touch_thread", - touch_thread_entry, RT_NULL, - 4096, RTGUI_SVR_THREAD_PRIORITY-1, 1); - if (touch_thread != RT_NULL) rt_thread_startup(touch_thread); - - rt_device_init((rt_device_t)touch); - return RT_EOK; -} |
