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authorsundm75 <[email protected]>2018-01-15 14:56:48 +0800
committersundm75 <[email protected]>2018-01-15 14:56:48 +0800
commitb08ff9eee2461cb6654d52df1d29d6360f05ff97 (patch)
tree97a63a07398ec34c6aedb17570634e21bccb399d /bsp/ls1cdev/drivers/touch.c
parent123af35c942cb216096a8ef3c290b9e389688db7 (diff)
[bsp] Add SmartloongV3 display,touch,msd, hw_i2c driver
Diffstat (limited to 'bsp/ls1cdev/drivers/touch.c')
-rw-r--r--bsp/ls1cdev/drivers/touch.c607
1 files changed, 607 insertions, 0 deletions
diff --git a/bsp/ls1cdev/drivers/touch.c b/bsp/ls1cdev/drivers/touch.c
new file mode 100644
index 0000000000..5172b7a359
--- /dev/null
+++ b/bsp/ls1cdev/drivers/touch.c
@@ -0,0 +1,607 @@
+/*
+ * 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;
+}