800*320工程文件+初始demo提交

SW/components/drivers/bsp/touchpad/driver_touchpad.c

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+#include <stdint.h>
+
+#include "driver_touchpad.h"
+#include "FreeRTOS.h"
+#include "task.h"
+
+//#define TOUCHPAD_SH8601A
+//#define TOUCHPAD_ICNA3310
+//#define TOUCHPAD_CHSC586
+//#define TOUCHPAD_CHSC6x
+//#define TOUCHPAD_CTP820
+#define TOUCHPAD_FT6336U
+
+#ifdef TOUCHPAD_SH8601A
+#define TOUCHPAD_IIC_SLAVE_ADDRESS      (0x2C<<1)   // from sh8601a
+#endif
+#ifdef TOUCHPAD_ICNA3310
+#define TOUCHPAD_IIC_SLAVE_ADDRESS (0x48 << 1)      // from icna3310
+#endif
+#ifdef TOUCHPAD_CTP820
+#define TOUCHPAD_IIC_SLAVE_ADDRESS (0x15 << 1)      // from ctp820
+#endif
+
+#ifdef TOUCHPAD_FT6336U
+#define TOUCHPAD_IIC_SLAVE_ADDRESS (0x71)      // from ft6336u
+#endif
+
+#ifdef TOUCHPAD_CHSC586
+extern bool semi_touch_read_coordinate(int16_t *x, int16_t *y);
+extern int semi_touch_init();
+#endif
+
+#ifdef TOUCHPAD_CHSC6x
+bool chsc6x_read_touch_info(int16_t *x, int16_t *y);
+void chsc6x_init(void);
+#endif
+
+bool touchpad_read(int16_t *x, int16_t *y)
+{
+#ifdef TOUCHPAD_SH8601A
+    uint8_t buffer[8];
+    bool pressed = false;
+
+    i2c_memory_read(&i2c_touchpad_handle, TOUCHPAD_IIC_SLAVE_ADDRESS, 0, buffer, 8);
+    
+    if (buffer[2] != 0) {
+        *x = ((buffer[3]&0x0f)<<8) | buffer[4];
+        *y = ((buffer[5]&0x0f)<<8) | buffer[6];
+        pressed = true;
+    }
+    else {
+        pressed = false;
+    }
+    
+    return pressed;
+#endif
+#ifdef TOUCHPAD_ICNA3310
+    uint8_t buffer[9];
+    bool pressed = false;
+
+    i2c_memory_read(&i2c_touchpad_handle, TOUCHPAD_IIC_SLAVE_ADDRESS, 0x1000, buffer, 9);
+    
+    if (buffer[1] == 1) {
+        *x = ((buffer[4]&0x0f)<<8) | buffer[3];
+        *y = ((buffer[6]&0x0f)<<8) | buffer[5];
+        pressed = true;
+    }
+    else {
+        pressed = false;
+    }
+    
+    return pressed;
+#endif
+
+#ifdef TOUCHPAD_CHSC586
+    return semi_touch_read_coordinate(x, y);
+#endif
+
+#ifdef TOUCHPAD_CHSC6x
+    return chsc6x_read_touch_info(x, y);
+#endif
+
+#ifdef TOUCHPAD_CTP820
+    uint8_t buffer[7];
+    bool pressed = false;
+
+    i2c_memory_read(&i2c_touchpad_handle, TOUCHPAD_IIC_SLAVE_ADDRESS, 0x00, buffer, 7);
+    
+    if (buffer[2] == 1) {
+        *x = ((buffer[3]&0x0f)<<8) | buffer[4];
+        *y = ((buffer[5]&0x0f)<<8) | buffer[6];
+        pressed = true;
+    }
+    else {
+        pressed = false;
+    }
+  
+    return pressed;
+#endif
+
+#ifdef TOUCHPAD_FT6336U
+    uint8_t buffer[7];
+    bool pressed = false;
+    i2c_memory_read(&i2c_touchpad_handle, TOUCHPAD_IIC_SLAVE_ADDRESS, 0x00, buffer, 7);
+    if (buffer[2] == 1) {
+        *x = ((buffer[3]&0x0f)<<8) | buffer[4];
+        *y = ((buffer[5]&0x0f)<<8) | buffer[6];
+        pressed = true;
+    }
+    else {
+        pressed = false;
+    }
+    
+    return pressed;
+#endif
+
+    return false;
+}
+
+void touchpad_init(void)
+{
+#ifdef TOUCHPAD_ICNA3310
+    /* reset touch pad chip */
+    __TOUCHPAD_RESET_SET();
+    __TOUCHPAD_DELAY_MS(10);
+    __TOUCHPAD_RESET_CLEAR();
+    __TOUCHPAD_DELAY_MS(5);
+    __TOUCHPAD_RESET_SET();
+    __TOUCHPAD_DELAY_MS(200);
+#endif
+
+#ifdef TOUCHPAD_CHSC586
+    semi_touch_init();
+#endif
+    
+#ifdef TOUCHPAD_CHSC6x
+    chsc6x_init();
+#endif
+    
+#ifdef TOUCHPAD_CTP820
+    /* reset touch pad chip */
+    __TOUCHPAD_RESET_SET();
+    __TOUCHPAD_DELAY_MS(10);
+    __TOUCHPAD_RESET_CLEAR();
+    __TOUCHPAD_DELAY_MS(10);
+    __TOUCHPAD_RESET_SET();
+    __TOUCHPAD_DELAY_MS(50);
+#endif
+
+#ifdef TOUCHPAD_FT6336U
+    /* reset touch pad chip */
+    __TOUCHPAD_RESET_SET();
+    __TOUCHPAD_RESET_CLEAR();
+    vTaskDelay(10);
+    __TOUCHPAD_RESET_SET();
+    vTaskDelay(250);
+#endif
+}
+
+
+void touchpad_sleep(void)
+{
+
+#ifdef TOUCHPAD_CTP820
+    uint8_t value = 0x03;
+    i2c_memory_write(&i2c_touchpad_handle, TOUCHPAD_IIC_SLAVE_ADDRESS, 0xE5, &value, 1);
+
+#endif
+
+}