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38 #include "drv_digital_out.h"
39 #include "drv_digital_in.h"
40 #include "drv_i2c_master.h"
52 #define TOUCHPAD_MAP_MIKROBUS( cfg, mikrobus ) \
53 cfg.scl = MIKROBUS( mikrobus, MIKROBUS_SCL ); \
54 cfg.sda = MIKROBUS( mikrobus, MIKROBUS_SDA ); \
55 cfg.rst = MIKROBUS( mikrobus, MIKROBUS_RST ); \
56 cfg.int_pin = MIKROBUS( mikrobus, MIKROBUS_INT )
63 #define TOUCHPAD_RETVAL uint8_t
65 #define TOUCHPAD_OK 0x00
66 #define TOUCHPAD_INIT_ERROR 0xFF
73 #define TOUCHPAD_DEVICE_SLAVE_ADDR 0x25 // Slave address
81 #define TOUCHPAD_REG_FW_MAJOR 0x00
82 #define TOUCHPAD_REG_FW_MINOR 0x01
83 #define TOUCHPAD_REG_APP_ID_LSB 0x02
84 #define TOUCHPAD_REG_APP_ID_MSB 0x03
85 #define TOUCHPAD_REG_CMD 0x04
86 #define TOUCHPAD_REG_MODE 0x05
87 #define TOUCHPAD_REG_MODE_CON 0x06
89 #define TOUCHPAD_REG_TOUCH_STATE 0x10 // Touch state
90 #define TOUCHPAD_REG_TOUCH_X 0x11 // Touch X
91 #define TOUCHPAD_REG_TOUCH_Y 0x12 // Touch Y
92 #define TOUCHPAD_REG_TOUCH_LSB 0x13 // Touch XY
93 #define TOUCHPAD_REG_GESTURE_STATE 0x14 // Gestrure state
94 #define TOUCHPAD_REG_GESTURE_DIAG 0x15 // Gestrure diagnostic
96 #define TOUCHPAD_REG_NUM_OF_X_CHANNELS 0x20 // Number of x channels
97 #define TOUCHPAD_REG_NUM_OF_Y_CHANNELS 0x21 // Number of y channels
98 #define TOUCHPAD_REG_SCAN_COUNT 0x22
99 #define TOUCHPAD_REG_TOUCH_THR_X 0x23
100 #define TOUCHPAD_REG_TOUCH_THR_Y 0x24
102 #define TOUCHPAD_REG_ACTIVE_PERIOD_LSB 0x25
103 #define TOUCHPAD_REG_ACTIVE_PERIOD_MSB 0x26
104 #define TOUCHPAD_REG_IDLE_PERIOD_LSB 0x27
105 #define TOUCHPAD_REG_IDLE_PERIOD_MSB 0x28
106 #define TOUCHPAD_REG_IDLE_TIMEOUT 0x29
107 #define TOUCHPAD_REG_HYSTERESIS 0x2A
109 #define TOUCHPAD_REG_DEBOUNCE_UP 0x2B
110 #define TOUCHPAD_REG_DEBOUNCE_DOWN 0x2C
111 #define TOUCHPAD_REG_FILTER_TYPE 0x31
112 #define TOUCHPAD_REG_FILTER_THR 0x32
113 #define TOUCHPAD_REG_LARGE_ACTIVATION_THR_LSB 0x35
114 #define TOUCHPAD_REG_LARGE_ACTIVATION_THR_MSB 0x36
116 #define TOUCHPAD_REG_HORIZONTAL_SWIPE_DISTANCE 0x37 // Horisontal swipe distance
117 #define TOUCHPAD_REG_VERTICAL_SWIPE_DISTANCE 0x38 // Vertical swipe distance
118 #define TOUCHPAD_REG_SWIPE_HOLD_BOUNDARY 0x39 // Swipe hold boundary
119 #define TOUCHPAD_REG_TAP_DISTANCE 0x3A // Tap distance
120 #define TOUCHPAD_REG_DISTANCE_BETWEEN_TAPS 0x3B // Distance between taps
121 #define TOUCHPAD_REG_TAP_HOLD_TIME_LSB 0x3C // Tap hold time (LSB)
122 #define TOUCHPAD_REG_TAP_HOLD_TIME_MSB 0x3D // Tap hold time (MSB)
123 #define TOUCHPAD_REG_GESTURE_CLICK_TIME 0x3E // Gesture click time
124 #define TOUCHPAD_REG_SWIPE_HOLD_THRESHOLD 0x3F // Swipe hold treshold
125 #define TOUCHPAD_REG_MIN_SWIPE_VELOCITY 0x40 // Min swipe velecity
126 #define TOUCHPAD_REG_HORIZONTAL_GESTURE_ANGLE 0x41 // Horisontal gesture angle
127 #define TOUCHPAD_REG_VERTICAL_GESTURE_ANGLE 0x42 // Vertical gesture angle
134 #define TOUCHPAD_MODE_STANDBY 0x00
135 #define TOUCHPAD_MODE_GESTURE 0x01
136 #define TOUCHPAD_MODE_TOUCH_ONLY 0x02
137 #define TOUCHPAD_MODE_FULL 0x03
138 #define TOUCHPAD_MODE_RAW_ADC 0x04
145 #define TOUCHPAD_RAWADC_TYPE_RES_1_2 0x00
146 #define TOUCHPAD_RAWADC_TYPE_RES_1 0x01
147 #define TOUCHPAD_RAWADC_TYPE_RES_2 0x02
154 #define TOUCHPAD_CMD_NV_STORAGE_WRITE 0x80
155 #define TOUCHPAD_CMD_RESTORE_DEF_CONFIG 0x40
156 #define TOUCHPAD_CMD_CONFIG_CTRL 0x20
157 #define TOUCHPAD_CMD_EXECUTE_MANU_TEST 0x08
158 #define TOUCHPAD_CMD_FORCE_BASELINE 0x01
165 #define TOUCHPAD_PERIOD_10ms 0x0142
166 #define TOUCHPAD_PERIOD_20ms 0x0284
167 #define TOUCHPAD_PERIOD_50ms 0x064C
168 #define TOUCHPAD_PERIOD_1000ms 0x0C99
175 #define TOUCHPAD_TOUCH_IS_PRESENT 0x01
176 #define TOUCHPAD_GESTURE_IS_PRESENT 0x02
177 #define TOUCHPAD_LARGE_ACT_IS_PRESENT 0x04
184 #define TOUCHPAD_GS_NO_GESTURE_PRESENT 0x00 // No Gesture Present
185 #define TOUCHPAD_GS_SINGLE_CLICK 0x10 // Single Click
186 #define TOUCHPAD_GS_CLICK_AND_HOLD 0x11 // Click and Hold
187 #define TOUCHPAD_GS_DOUBLE_CLICK 0x20 // Double Click
188 #define TOUCHPAD_GS_DOWN_SWIPE 0x31 // Down Swipe
189 #define TOUCHPAD_GS_DOWN_SWIPE_AND_HOLD 0x32 // Down Swipe and Hold
190 #define TOUCHPAD_GS_RIGHT_SWIPE 0x41 // Right Swipe
191 #define TOUCHPAD_GS_RIGHT_SWIPE_AND_HOLD 0x42 // Right Swipe and Hold
192 #define TOUCHPAD_GS_UP_SWIPE 0x51 // Up Swipe
193 #define TOUCHPAD_GS_UP_SWIPE_AND_HOLD 0x52 // Up Swipe and Hold
194 #define TOUCHPAD_GS_LEFT_SWIPE 0x61 // Left Swipe
195 #define TOUCHPAD_GS_LEFT_SWIPE_AND_HOLD 0x62 // Left Swipe and Hold
202 #define TOUCHPAD_EVENT_TOUCH 1
203 #define TOUCHPAD_EVENT_GESTURE 2
204 #define TOUCHPAD_NO_EVENT 0
211 #define TOUCHPAD_GD_CLICK_TIMEOUT 0x01 // Click Timeout
212 #define TOUCHPAD_GD_SWIPE_TIMEOUT 0x02 // Swipe Timeout
213 #define TOUCHPAD_GD_GENERAL_TIMEOUT 0x03 // General Timeout
214 #define TOUCHPAD_GD_CLICK_THR_EXCEEDED 0x04 // Click Threshold Exceeded
215 #define TOUCHPAD_GD_SWIPE_THR_EXCEEDED 0x05 // Swipe Threshold Exceeded
216 #define TOUCHPAD_GD_SWIPE_HOLD_THR 0x06 // Swipe and Hold Threshold Exceeded
217 #define TOUCHPAD_GD_SWIPE_OPPOSITE_DIR_THR 0x07 // Swipe Opposite Direction Threshold Exceeded
218 #define TOUCHPAD_GD_SWIPE_HOLD_VALUE 0x09 // Swipe and Hold Value Exceeded
219 #define TOUCHPAD_GD_OUTSIDE_SWIPE 0x0A // Outside Swipe Angle
412 #endif // _TOUCHPAD_H_
pin_name_t rst
Definition: touchpad.h:264
Click configuration structure definition.
Definition: touchpad.h:255
uint16_t x
Definition: touchpad.h:279
i2c_master_t i2c
Definition: touchpad.h:244
uint32_t i2c_address
Definition: touchpad.h:270
uint8_t touchpad_get_event_state(touchpad_t *ctx)
Get event state.
void touchpad_generic_read(touchpad_t *ctx, uint8_t reg, uint8_t *data_buf, uint8_t len)
Generic read function.
uint8_t touchpad_get_gesture_type(touchpad_t *ctx)
Gesture type.
pin_name_t int_pin
Definition: touchpad.h:265
void touchpad_default_cfg(touchpad_t *ctx)
Click Default Configuration function.
digital_out_t rst
Definition: touchpad.h:236
void touchpad_cfg_setup(touchpad_cfg_t *cfg)
Config Object Initialization function.
uint8_t touchpad_get_interrupt_state(touchpad_t *ctx)
Get interrupt state.
uint8_t i2c_speed
Definition: touchpad.h:269
uint16_t y
Definition: touchpad.h:280
TOUCHPAD_RETVAL touchpad_init(touchpad_t *ctx, touchpad_cfg_t *cfg)
Initialization function.
void touchpad_reset(touchpad_t *ctx)
Hardware Reset.
digital_in_t int_pin
Definition: touchpad.h:240
void touchpad_generic_write(touchpad_t *ctx, uint8_t reg, uint8_t *data_buf, uint8_t len)
Generic write function.
uint8_t slave_address
Definition: touchpad.h:248
pin_name_t sda
Definition: touchpad.h:260
void touchpad_get_touch_coordinate(touchpad_t *ctx, touchpad_cord_t *cord)
Get touch coordinate.
pin_name_t scl
Definition: touchpad.h:259
#define TOUCHPAD_RETVAL
Definition: touchpad.h:63
Coordinate structure definition.
Definition: touchpad.h:277
Click ctx object definition.
Definition: touchpad.h:232