diff --git a/components/drivers/include/drivers/i2c.h b/components/drivers/include/drivers/i2c.h index e2a9e7d0b8..c6376efa89 100644 --- a/components/drivers/include/drivers/i2c.h +++ b/components/drivers/include/drivers/i2c.h @@ -60,6 +60,13 @@ struct rt_i2c_bus_device void *priv; }; +struct rt_i2c_client +{ + struct rt_device parent; + struct rt_i2c_bus_device *bus; + rt_uint16_t client_addr; +}; + #ifdef RT_I2C_DEBUG #define i2c_dbg(fmt, ...) rt_kprintf(fmt, ##__VA_ARGS__) #else diff --git a/components/drivers/touch/SConscript b/components/drivers/touch/SConscript new file mode 100644 index 0000000000..f370b2aba6 --- /dev/null +++ b/components/drivers/touch/SConscript @@ -0,0 +1,11 @@ +# SConscript for touch framework + +from building import * + +cwd = GetCurrentDir() +src = ['touch.c'] +CPPPATH = [cwd, cwd + '/../include'] + +group = DefineGroup('Touch', src, depend = ['RT_USING_TOUCH', 'RT_USING_DEVICE'], CPPPATH = CPPPATH) + +Return('group') diff --git a/components/drivers/touch/touch.c b/components/drivers/touch/touch.c new file mode 100644 index 0000000000..37456609dc --- /dev/null +++ b/components/drivers/touch/touch.c @@ -0,0 +1,275 @@ +/* + * Copyright (c) 2006-2018, RT-Thread Development Team + * + * SPDX-License-Identifier: Apache-2.0 + * + * Change Logs: + * Date Author Notes + * 2019-05-20 tyustli the first version + */ + +#include "touch.h" +#include + +#define DBG_TAG "touch" +#define DBG_LVL DBG_INFO +#include + +/* touch interrupt handler function */ +void rt_touch_cb(rt_touch_t touch) +{ + if (touch->parent.rx_indicate == RT_NULL) + { + return; + } + + if (touch->irq_handle != RT_NULL) + { + touch->irq_handle(touch); + } + + touch->parent.rx_indicate(&touch->parent, 1); +} + +/* ISR for touch interrupt */ +static void irq_callback(void *args) +{ + rt_touch_t touch; + + touch = (rt_touch_t)args; + + rt_touch_cb(touch); +} + +/* touch interrupt initialization function */ +static rt_err_t rt_touch_irq_init(rt_touch_t touch) +{ + if (touch->config.irq_pin.pin == RT_PIN_NONE) + { + return -RT_EINVAL; + } + + rt_pin_mode(touch->config.irq_pin.pin, touch->config.irq_pin.mode); + + if (touch->config.irq_pin.mode == PIN_MODE_INPUT_PULLDOWN) + { + rt_pin_attach_irq(touch->config.irq_pin.pin, PIN_IRQ_MODE_RISING, irq_callback, (void *)touch); + } + else if (touch->config.irq_pin.mode == PIN_MODE_INPUT_PULLUP) + { + rt_pin_attach_irq(touch->config.irq_pin.pin, PIN_IRQ_MODE_FALLING, irq_callback, (void *)touch); + } + else if (touch->config.irq_pin.mode == PIN_MODE_INPUT) + { + rt_pin_attach_irq(touch->config.irq_pin.pin, PIN_IRQ_MODE_RISING_FALLING, irq_callback, (void *)touch); + } + + rt_pin_irq_enable(touch->config.irq_pin.pin, PIN_IRQ_ENABLE); + + LOG_I("interrupt init success"); + + return 0; +} + +/* touch interrupt enable */ +static void rt_touch_irq_enable(rt_touch_t touch) +{ + if (touch->config.irq_pin.pin != RT_PIN_NONE) + { + rt_pin_irq_enable(touch->config.irq_pin.pin, RT_TRUE); + } +} + +/* touch interrupt disable */ +static void rt_touch_irq_disable(rt_touch_t touch) +{ + if (touch->config.irq_pin.pin != RT_PIN_NONE) + { + rt_pin_irq_enable(touch->config.irq_pin.pin, RT_FALSE); + } +} + +static rt_err_t rt_touch_open(rt_device_t dev, rt_uint16_t oflag) +{ + rt_touch_t touch; + RT_ASSERT(dev != RT_NULL); + touch = (rt_touch_t)dev; + + if (oflag & RT_DEVICE_FLAG_INT_RX && dev->flag & RT_DEVICE_FLAG_INT_RX) + { + /* Initialization touch interrupt */ + rt_touch_irq_init(touch); + } + + return RT_EOK; +} + +static rt_err_t rt_touch_close(rt_device_t dev) +{ + rt_touch_t touch; + RT_ASSERT(dev != RT_NULL); + touch = (rt_touch_t)dev; + + /* touch disable interrupt */ + rt_touch_irq_disable(touch); + + return RT_EOK; +} + +static rt_size_t rt_touch_read(rt_device_t dev, rt_off_t pos, void *buf, rt_size_t len) +{ + rt_touch_t touch; + rt_size_t result = 0; + RT_ASSERT(dev != RT_NULL); + touch = (rt_touch_t)dev; + + if (buf == NULL || len == 0) + { + return 0; + } + + result = touch->ops->touch_readpoint(touch, buf, len); + + return result; +} + +static rt_err_t rt_touch_control(rt_device_t dev, int cmd, void *args) +{ + rt_touch_t touch; + rt_err_t result = RT_EOK; + RT_ASSERT(dev != RT_NULL); + touch = (rt_touch_t)dev; + + switch (cmd) + { + case RT_TOUCH_CTRL_GET_ID: + if (args) + { + result = touch->ops->touch_control(touch, RT_TOUCH_CTRL_GET_ID, args); + } + else + { + result = RT_ERROR; + } + + break; + case RT_TOUCH_CTRL_GET_INFO: + if (args) + { + result = touch->ops->touch_control(touch, RT_TOUCH_CTRL_GET_INFO, args); + } + else + { + result = RT_ERROR; + } + + break; + case RT_TOUCH_CTRL_SET_MODE: + result = touch->ops->touch_control(touch, RT_TOUCH_CTRL_SET_MODE, args); + + if (result == RT_EOK) + { + rt_uint16_t mode; + mode = *(rt_uint16_t*)args; + if (mode == RT_DEVICE_FLAG_INT_RX) + { + rt_touch_irq_enable(touch); /* enable interrupt */ + } + } + + break; + case RT_TOUCH_CTRL_SET_X_RANGE: + result = touch->ops->touch_control(touch, RT_TOUCH_CTRL_SET_X_RANGE, args); + + if (result == RT_EOK) + { + touch->info.range_x = *(rt_int32_t *)args; + LOG_D("set x coordinate range :%d\n", touch->info.range_x); + } + + break; + case RT_TOUCH_CTRL_SET_Y_RANGE: + result = touch->ops->touch_control(touch, RT_TOUCH_CTRL_SET_Y_RANGE, args); + + if (result == RT_EOK) + { + touch->info.range_y = *(rt_uint32_t *)args; + LOG_D("set y coordinate range :%d \n", touch->info.range_x); + } + + break; + default: + return -RT_ERROR; + } + + return result; +} + +#ifdef RT_USING_DEVICE_OPS +const static struct rt_device_ops rt_touch_ops = +{ + RT_NULL, + rt_touch_open, + rt_touch_close, + rt_touch_read, + RT_NULL, + rt_touch_control +}; +#endif + +/* + * touch register + */ +int rt_hw_touch_register(rt_touch_t touch, + const char *name, + rt_uint32_t flag, + void *data) +{ + rt_int8_t result; + rt_device_t device; + RT_ASSERT(touch != RT_NULL); + + char *touch_name = RT_NULL; + char *device_name = RT_NULL; + + touch_name = "touch_"; + device_name = rt_calloc(1, rt_strlen(touch_name) + 1 + rt_strlen(name)); + + if (device_name == RT_NULL) + { + LOG_E("device_name calloc failed!"); + return -RT_ERROR; + } + + rt_memcpy(device_name, touch_name, rt_strlen(touch_name) + 1); + strcat(device_name, name); + + device = &touch->parent; + +#ifdef RT_USING_DEVICE_OPS + device->ops = &rt_touch_ops; +#else + device->init = RT_NULL; + device->open = rt_touch_open; + device->close = rt_touch_close; + device->read = rt_touch_read; + device->write = RT_NULL; + device->control = rt_touch_control; +#endif + device->type = RT_Device_Class_Touch; + device->rx_indicate = RT_NULL; + device->tx_complete = RT_NULL; + device->user_data = data; + + result = rt_device_register(device, device_name, flag | RT_DEVICE_FLAG_STANDALONE); + + if (result != RT_EOK) + { + LOG_E("rt_touch register err code: %d", result); + return result; + } + + LOG_I("rt_touch init success"); + + return RT_EOK; +} diff --git a/components/drivers/touch/touch.h b/components/drivers/touch/touch.h new file mode 100644 index 0000000000..4fa19aed47 --- /dev/null +++ b/components/drivers/touch/touch.h @@ -0,0 +1,105 @@ +/* + * Copyright (c) 2006-2018, RT-Thread Development Team + * + * SPDX-License-Identifier: Apache-2.0 + * + * Change Logs: + * Date Author Notes + * 2019-05-20 tyustli the first version + */ + +#ifndef __TOUCH_H__ +#define __TOUCH_H__ + +#include +#include + +#ifdef __cplusplus +extern "C" { +#endif + +#ifdef RT_USING_RTC +#define rt_touch_get_ts() time(RT_NULL) /* API for the touch to get the timestamp */ +#else +#define rt_touch_get_ts() rt_tick_get() /* API for the touch to get the timestamp */ +#endif + +#define RT_PIN_NONE 0xFFFF /* RT PIN NONE */ + +/* Touch vendor types */ +#define RT_TOUCH_VENDOR_UNKNOWN (0) /* unknown */ +#define RT_TOUCH_VENDOR_GT (1) /* GTxx series */ +#define RT_TOUCH_VENDOR_FT (2) /* FTxx series */ + +/* Touch ic type*/ +#define RT_TOUCH_TYPE_NONE (0) /* touch ic none */ +#define RT_TOUCH_TYPE_CAPACITANCE (1) /* capacitance ic */ +#define RT_TOUCH_TYPE_RESISTANCE (2) /* resistance ic */ + +/* Touch control cmd types */ +#define RT_TOUCH_CTRL_GET_ID (0) /* Get device id */ +#define RT_TOUCH_CTRL_GET_INFO (1) /* Get touch info */ +#define RT_TOUCH_CTRL_SET_MODE (2) /* Set touch's work mode. ex. RT_TOUCH_MODE_POLLING,RT_TOUCH_MODE_INT */ +#define RT_TOUCH_CTRL_SET_X_RANGE (3) /* Set x coordinate range */ +#define RT_TOUCH_CTRL_SET_Y_RANGE (4) /* Set y coordinate range */ +#define RT_TOUCH_CTRL_SET_X_TO_Y (5) /* Set X Y coordinate exchange */ + +/* Touch event */ +#define RT_TOUCH_EVENT_NONE (0) /* Touch none */ +#define RT_TOUCH_EVENT_UP (1) /* Touch up event */ +#define RT_TOUCH_EVENT_DOWN (2) /* Touch down event */ +#define RT_TOUCH_EVENT_MOVE (3) /* Touch move event */ + +struct rt_touch_info +{ + rt_uint8_t type; /* The touch type */ + rt_uint8_t vendor; /* Vendor of touchs */ + rt_uint8_t point_num; /* Support point num */ + rt_int32_t range_x; /* X coordinate range */ + rt_int32_t range_y; /* Y coordinate range */ +}; + +struct rt_touch_config +{ + struct rt_device_pin_mode irq_pin; /* Interrupt pin, The purpose of this pin is to notification read data */ + char *dev_name; /* The name of the communication device */ + void *user_data; +}; + +typedef struct rt_touch_device *rt_touch_t; +struct rt_touch_device +{ + struct rt_device parent; /* The standard device */ + struct rt_touch_info info; /* The touch info data */ + struct rt_touch_config config; /* The touch config data */ + + const struct rt_touch_ops *ops; /* The touch ops */ + rt_err_t (*irq_handle)(rt_touch_t touch); /* Called when an interrupt is generated, registered by the driver */ +}; + +struct rt_touch_data +{ + rt_uint8_t event; /* The touch event of the data */ + rt_uint8_t track_id; /* Track id of point */ + rt_uint8_t width; /* Point of width */ + rt_uint16_t x_coordinate; /* Point of x coordinate */ + rt_uint16_t y_coordinate; /* Point of y coordinate */ + rt_tick_t timestamp; /* The timestamp when the data was received */ +}; + +struct rt_touch_ops +{ + rt_size_t (*touch_readpoint)(struct rt_touch_device *touch, void *buf, rt_size_t touch_num); + rt_err_t (*touch_control)(struct rt_touch_device *touch, int cmd, void *arg); +}; + +int rt_hw_touch_register(rt_touch_t touch, + const char *name, + rt_uint32_t flag, + void *data); + +#ifdef __cplusplus +} +#endif + +#endif /* __TOUCH_H__ */ diff --git a/components/finsh/cmd.c b/components/finsh/cmd.c index 680d9d01d7..608e962f6c 100644 --- a/components/finsh/cmd.c +++ b/components/finsh/cmd.c @@ -801,6 +801,7 @@ static char *const device_type_str[] = "Timer Device", "Miscellaneous Device", "Sensor Device", + "Touch Device", "Unknown" }; diff --git a/include/rtdef.h b/include/rtdef.h index 94c9b5f413..c97e938f75 100644 --- a/include/rtdef.h +++ b/include/rtdef.h @@ -854,6 +854,7 @@ enum rt_device_class_type RT_Device_Class_Timer, /**< Timer device */ RT_Device_Class_Miscellaneous, /**< Miscellaneous device */ RT_Device_Class_Sensor, /**< Sensor device */ + RT_Device_Class_Touch, /**< Touch device */ RT_Device_Class_Unknown /**< unknown device */ };