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add lv_hal as normal folder (not from hal repo)

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This commit is contained in:
Gabor Kiss-Vamosi 2017-10-18 14:09:10 +02:00
parent 2b44c68794
commit d9205adc60
9 changed files with 936 additions and 1 deletions
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1
lv_hal

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Subproject commit f4c87207c2d93366e3a0615a499c063c48a6497f

41
lv_hal/lv_hal.h Normal file
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/**
* @file hal.h
*
*/
#ifndef HAL_H
#define HAL_H
#ifdef __cplusplus
extern "C" {
#endif
/*********************
* INCLUDES
*********************/
#include "lv_hal_disp.h"
#include "lv_hal_indev.h"
#include <lvgl/lv_hal/lv_hal_tick.h>
#include "lv_hal_indev_keycode.h"
/*********************
* DEFINES
*********************/
/**********************
* TYPEDEFS
**********************/
/**********************
* GLOBAL PROTOTYPES
**********************/
/**********************
* MACROS
**********************/
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif

154
lv_hal/lv_hal_disp.c Normal file
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/**
* @file hal_disp.c
*
* @description HAL layer for display driver
*
*/
/*********************
* INCLUDES
*********************/
#include <stdint.h>
#include <stddef.h>
#include "../lv_hal/lv_hal_disp.h"
#include "misc/mem/dyn_mem.h"
/*********************
* DEFINES
*********************/
/**********************
* TYPEDEFS
**********************/
/**********************
* STATIC PROTOTYPES
**********************/
/**********************
* STATIC VARIABLES
**********************/
static lv_disp_t *disp_list = NULL;
static lv_disp_t *active;
/**********************
* MACROS
**********************/
/**********************
* GLOBAL FUNCTIONS
**********************/
/**
* Register Display driver
* @param driver Display driver structure
* @return pointer to the new display or NULL on error
*/
lv_disp_t * lv_disp_drv_register(lv_hal_disp_drv_t *driver)
{
lv_disp_t *node;
node = dm_alloc(sizeof(lv_disp_t));
if (!node) return NULL;
memcpy(&node->drv,driver, sizeof(lv_hal_disp_drv_t));
node->next = NULL;
/* Set first display as active by default */
if (disp_list == NULL) {
disp_list = node;
active = node;
} else {
node->next = disp_list;
}
return node;
}
/**
* Set Active Display by ID
*
* @param id Display ID to set as active
*/
void lv_disp_set_active(lv_disp_t * disp)
{
active = disp;
}
/**
* Get Active Display
*
* @return Active ID of display on success else -ve on error
*/
lv_disp_t * lv_disp_get_active(void)
{
return active;
}
/**
* Get the next display.
* @param disp pointer to the current display. NULL to initialize.
* @return the next display or NULL if no more. Give the first display when the parameter is NULL
*/
lv_disp_t * lv_disp_next(lv_disp_t * disp)
{
if(disp == NULL) {
return disp_list;
} else {
if(disp_list->next == NULL) return NULL;
else return disp_list->next;
}
}
/**
* Fill a rectangular area with a color
* @param x1 left coordinate of the rectangle
* @param x2 right coordinate of the rectangle
* @param y1 top coordinate of the rectangle
* @param y2 bottom coordinate of the rectangle
* @param color fill color
*/
void lv_disp_fill(int32_t x1, int32_t y1, int32_t x2, int32_t y2, color_t color)
{
if(active == NULL) return;
if(active->drv.fill != NULL) active->drv.fill(x1, y1, x2, y2, color);
}
/**
* Put a color map to a rectangular area
* @param x1 left coordinate of the rectangle
* @param x2 right coordinate of the rectangle
* @param y1 top coordinate of the rectangle
* @param y2 bottom coordinate of the rectangle
* @param color_map pointer to an array of colors
*/
void lv_disp_map(int32_t x1, int32_t y1, int32_t x2, int32_t y2, const color_t * color_map)
{
if(active == NULL) return;
if(active->drv.map != NULL) active->drv.map(x1, y1, x2, y2, color_map);
}
/**
* Copy pixels to destination memory using opacity with GPU (hardware accelerator)
* @param dest a memory address. Copy 'src' here.
* @param src pointer to pixel map. Copy it to 'dest'.
* @param length number of pixels in 'src'
* @param opa opacity (0, OPA_TRANSP: transparent ... 255, OPA_COVER, fully cover)
*/
void lv_disp_copy(color_t * dest, const color_t * src, uint32_t length, opa_t opa)
{
if(active == NULL) return;
if(active->drv.copy != NULL) active->drv.copy(dest, src, length, opa);
}
bool lv_disp_is_accelerated(void)
{
if(active->drv.copy) return true;
else return false;
}
/**********************
* STATIC FUNCTIONS
**********************/

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lv_hal/lv_hal_disp.h Normal file
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/**
* @file hal_disp.h
*
* @description Display Driver HAL interface header file
*
*/
#ifndef HAL_DISP_H
#define HAL_DISP_H
#ifdef __cplusplus
extern "C" {
#endif
/*********************
* INCLUDES
*********************/
#include <stdint.h>
#include <stdbool.h>
#include "lv_hal.h"
#include "misc/gfx/color.h"
/*********************
* DEFINES
*********************/
/**********************
* TYPEDEFS
**********************/
/**
* Display Driver structure to be registered by HAL
*/
typedef struct _disp_drv_t {
const char *name;
int32_t h_res;
int32_t v_res;
void (*fill)(int32_t x1, int32_t y1, int32_t x2, int32_t y2, color_t color);
void (*map)(int32_t x1, int32_t y1, int32_t x2, int32_t y2, const color_t * color_p);
void (*copy)(color_t * dest, const color_t * src, uint32_t length, opa_t opa);
} lv_hal_disp_drv_t;
typedef struct _disp_drv_node_t {
lv_hal_disp_drv_t drv;
struct _disp_drv_node_t *next;
} lv_disp_t;
/**********************
* GLOBAL PROTOTYPES
**********************/
/**
* Register Display driver
*
* @param driver Display driver structure
* @return 0 on success, -ve on error
*/
lv_disp_t * lv_disp_drv_register(lv_hal_disp_drv_t *driver);
/**
* Set Active Display by ID
*
* @param id Display ID to set as active
* @return 0 on success, -ve on error
*/
void lv_disp_set_active(lv_disp_t * disp);
/**
* Get Active Display
*
* @return Active ID of display on success else -ve on error
*/
lv_disp_t * lv_disp_get_active(void);
/**
* Fill a rectangular area with a color
* @param x1 left coordinate of the rectangle
* @param x2 right coordinate of the rectangle
* @param y1 top coordinate of the rectangle
* @param y2 bottom coordinate of the rectangle
* @param color fill color
*/
void lv_disp_fill(int32_t x1, int32_t y1, int32_t x2, int32_t y2, color_t color);
/**
* Put a color map to a rectangular area
* @param x1 left coordinate of the rectangle
* @param x2 right coordinate of the rectangle
* @param y1 top coordinate of the rectangle
* @param y2 bottom coordinate of the rectangle
* @param color_p pointer to an array of colors
*/
void lv_disp_map(int32_t x1, int32_t y1, int32_t x2, int32_t y2, const color_t * color_p);
/**
* Copy pixels to destination memory using opacity with GPU (hardware accelerator)
* @param dest a memory address. Copy 'src' here.
* @param src pointer to pixel map. Copy it to 'dest'.
* @param length number of pixels in 'src'
* @param opa opacity (0, OPA_TRANSP: transparent ... 255, OPA_COVER, fully cover)
*/
void lv_disp_color_cpy(color_t * dest, const color_t * src, uint32_t length, opa_t opa);
bool lv_disp_is_accelerated(void);
/**********************
* MACROS
**********************/
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif

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lv_hal/lv_hal_indev.c Normal file
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/**
* @file hal_indev.c
*
* @description Input device HAL interface
*
*/
/*********************
* INCLUDES
*********************/
#include "../lv_hal/lv_hal_indev.h"
#include "misc/mem/linked_list.h"
/*********************
* DEFINES
*********************/
/**********************
* TYPEDEFS
**********************/
/**********************
* STATIC PROTOTYPES
**********************/
static lv_indev_t *indev_list = NULL;
/**********************
* STATIC VARIABLES
**********************/
/**********************
* MACROS
**********************/
/**********************
* GLOBAL FUNCTIONS
**********************/
/**
* Register Input Device driver
*
* @param driver Input Device driver structure
* @return pointer to the new input device
*/
lv_indev_t * lv_indev_drv_register(lv_hal_indev_drv_t *driver)
{
lv_indev_t *node;
node = dm_alloc(sizeof(lv_indev_t));
if (!node) return NULL;
memcpy(&node->drv, driver, sizeof(lv_hal_indev_drv_t));
node->next = NULL;
if (indev_list == NULL) {
indev_list = node;
} else {
lv_indev_t *last = indev_list;
while (last->next)
last = last->next;
last->next = node;
}
return node;
}
/**
* Get the next input device.
* @param indev pointer to the current input device. NULL to initialize.
* @return the next input devise or NULL if no more. Give the first input device when the parameter is NULL
*/
lv_indev_t * lv_indev_next(lv_indev_t * indev)
{
if(indev == NULL) {
return indev_list;
} else {
if(indev_list->next == NULL) return NULL;
else return indev_list->next;
}
}
/**
* Read data from an input device.
* @param indev pointer to an input device
* @param data input device will write its data here
* @return false: no more data; true: there more data to read (buffered)
*/
bool lv_indev_get(lv_indev_t * indev, lv_hal_indev_data_t *data)
{
bool cont = false;
if(indev->drv.get_data) {
cont = indev->drv.get_data(data);
} else {
memset(data, 0, sizeof(lv_hal_indev_data_t));
}
return cont;
}
/**********************
* STATIC FUNCTIONS
**********************/

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lv_hal/lv_hal_indev.h Normal file
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/**
* @file hal_indev.h
*
* @description Input Device HAL interface layer header file
*
*/
#ifndef HAL_INDEV_H
#define HAL_INDEV_H
#ifdef __cplusplus
extern "C" {
#endif
/*********************
* INCLUDES
*********************/
#include <stdbool.h>
#include <stdint.h>
#include "misc/gfx/area.h"
#include <lvgl/lv_hal/lv_hal.h>
/*********************
* DEFINES
*********************/
/**********************
* TYPEDEFS
**********************/
/*Possible input device types*/
typedef enum {
LV_HAL_INDEV_TYPE_TOUCH, /*Touch pad*/
LV_HAL_INDEV_TYPE_POINTER, /*Mouse or similar pointer device*/
LV_HAL_INDEV_TYPE_KEYPAD, /*Keypad or keyboard*/
LV_HAL_INDEV_TYPE_BUTTON, /*Hardware button assigned to a point on the screen*/
} lv_hal_indev_type_t;
/*State for input devices*/
typedef enum {
LV_HAL_INDEV_STATE_PRESS,
LV_HAL_INDEV_STATE_RELEASE
}lv_hal_indev_state_t;
/*Data read from an input device. */
typedef struct {
union {
point_t point; /*For INDEV_TYPE_TOUCH, INDEV_TYPE_POINTER, INDEV_TYPE_BUTTON*/
uint32_t key; /*For INDEV_TYPE_BUTTON*/
};
lv_hal_indev_state_t state;
}lv_hal_indev_data_t;
/*Initialized by the user and registered by 'lv_hal_indev_drv_register'*/
typedef struct {
const char * name; /*Input device name*/
lv_hal_indev_type_t type; /*Input device type*/
bool (*get_data)(lv_hal_indev_data_t * data); /*Function pointer to read data. Return 'true' if there is still data to be read (buffered)*/
}lv_hal_indev_drv_t;
struct __LV_OBJ_T;
typedef struct _lv_indev_state_t
{
bool pressed;
point_t act_point;
point_t last_point;
point_t vect;
point_t vect_sum;
struct __LV_OBJ_T * act_obj;
struct __LV_OBJ_T * last_obj;
uint32_t press_time_stamp;
uint32_t lpr_rep_time_stamp;
/*Flags*/
uint8_t drag_range_out :1;
uint8_t drag_in_prog :1;
uint8_t long_press_sent :1;
uint8_t wait_release :1;
uint8_t reset_qry :1;
uint8_t disable :1;
}lv_indev_state_t;
typedef struct _lv_indev_t {
lv_hal_indev_drv_t drv;
lv_indev_state_t state;
struct __LV_OBJ_T * cursor;
struct _lv_indev_t *next;
} lv_indev_t;
/**********************
* GLOBAL PROTOTYPES
**********************/
/**
* Register Input Device driver
*
* @param driver Input Device driver structure
* @return 0 on success, -ve on error
*/
lv_indev_t * lv_indev_drv_register(lv_hal_indev_drv_t *driver);
/**
* Ask data fro man input device.
* @param data input device data
* @return false: no more data; true: there more data to read (buffered)
*/
bool lv_indev_get(lv_indev_t * indev, lv_hal_indev_data_t *data);
/**
* Get the next input device.
* @param indev pointer to the current input device. NULL to initialize.
* @return the next input devise or NULL if no more. Give the first input device when the parameter is NULL
*/
lv_indev_t * lv_indev_next(lv_indev_t * indev);
/**********************
* MACROS
**********************/
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif

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lv_hal/lv_hal_indev_keycode.h Normal file
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/**
* @file hal_indev_keycode.h
*
* @description Input Device keycodes
*
*/
#ifndef HAL_INDEV_KEYCODE_H
#define HAL_INDEV_KEYCODE_H
#ifdef __cplusplus
extern "C" {
#endif
/*********************
* INCLUDES
*********************/
/*********************
* DEFINES
*********************/
/**
* Common keycodes taken from Linux Source
* include/uapi/linux/input-event-codes.h
*/
#define KEY_RESERVED 0
#define KEY_ESC 1
#define KEY_1 2
#define KEY_2 3
#define KEY_3 4
#define KEY_4 5
#define KEY_5 6
#define KEY_6 7
#define KEY_7 8
#define KEY_8 9
#define KEY_9 10
#define KEY_0 11
#define KEY_MINUS 12
#define KEY_EQUAL 13
#define KEY_BACKSPACE 14
#define KEY_TAB 15
#define KEY_Q 16
#define KEY_W 17
#define KEY_E 18
#define KEY_R 19
#define KEY_T 20
#define KEY_Y 21
#define KEY_U 22
#define KEY_I 23
#define KEY_O 24
#define KEY_P 25
#define KEY_LEFTBRACE 26
#define KEY_RIGHTBRACE 27
#define KEY_ENTER 28
#define KEY_LEFTCTRL 29
#define KEY_A 30
#define KEY_S 31
#define KEY_D 32
#define KEY_F 33
#define KEY_G 34
#define KEY_H 35
#define KEY_J 36
#define KEY_K 37
#define KEY_L 38
#define KEY_SEMICOLON 39
#define KEY_APOSTROPHE 40
#define KEY_GRAVE 41
#define KEY_LEFTSHIFT 42
#define KEY_BACKSLASH 43
#define KEY_Z 44
#define KEY_X 45
#define KEY_C 46
#define KEY_V 47
#define KEY_B 48
#define KEY_N 49
#define KEY_M 50
#define KEY_COMMA 51
#define KEY_DOT 52
#define KEY_SLASH 53
#define KEY_RIGHTSHIFT 54
#define KEY_KPASTERISK 55
#define KEY_LEFTALT 56
#define KEY_SPACE 57
#define KEY_CAPSLOCK 58
#define KEY_F1 59
#define KEY_F2 60
#define KEY_F3 61
#define KEY_F4 62
#define KEY_F5 63
#define KEY_F6 64
#define KEY_F7 65
#define KEY_F8 66
#define KEY_F9 67
#define KEY_F10 68
#define KEY_NUMLOCK 69
#define KEY_SCROLLLOCK 70
#define KEY_KP7 71
#define KEY_KP8 72
#define KEY_KP9 73
#define KEY_KPMINUS 74
#define KEY_KP4 75
#define KEY_KP5 76
#define KEY_KP6 77
#define KEY_KPPLUS 78
#define KEY_KP1 79
#define KEY_KP2 80
#define KEY_KP3 81
#define KEY_KP0 82
#define KEY_KPDOT 83
#define KEY_ZENKAKUHANKAKU 85
#define KEY_102ND 86
#define KEY_F11 87
#define KEY_F12 88
#define KEY_RO 89
#define KEY_KATAKANA 90
#define KEY_HIRAGANA 91
#define KEY_HENKAN 92
#define KEY_KATAKANAHIRAGANA 93
#define KEY_MUHENKAN 94
#define KEY_KPJPCOMMA 95
#define KEY_KPENTER 96
#define KEY_RIGHTCTRL 97
#define KEY_KPSLASH 98
#define KEY_SYSRQ 99
#define KEY_RIGHTALT 100
#define KEY_LINEFEED 101
#define KEY_HOME 102
#define KEY_UP 103
#define KEY_PAGEUP 104
#define KEY_LEFT 105
#define KEY_RIGHT 106
#define KEY_END 107
#define KEY_DOWN 108
#define KEY_PAGEDOWN 109
#define KEY_INSERT 110
#define KEY_DELETE 111
#define KEY_MACRO 112
#define KEY_MUTE 113
#define KEY_VOLUMEDOWN 114
#define KEY_VOLUMEUP 115
#define KEY_POWER 116 /* SC System Power Down */
#define KEY_KPEQUAL 117
#define KEY_KPPLUSMINUS 118
#define KEY_PAUSE 119
#define KEY_SCALE 120 /* AL Compiz Scale (Expose) */
#define KEY_KPCOMMA 121
#define KEY_HANGEUL 122
#define KEY_HANGUEL KEY_HANGEUL
#define KEY_HANJA 123
#define KEY_YEN 124
#define KEY_LEFTMETA 125
#define KEY_RIGHTMETA 126
#define KEY_COMPOSE 127
/**********************
* TYPEDEFS
**********************/
/**********************
* GLOBAL PROTOTYPES
**********************/
/**********************
* MACROS
**********************/
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif

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/**
* @file systick.c
* Provide access to the system tick with 1 millisecond resolution
*/
/*********************
* INCLUDES
*********************/
#include <lvgl/lv_hal/lv_hal_tick.h>
#include <stddef.h>
/*********************
* DEFINES
*********************/
#define LV_HAL_TICK_CALLBACK_NUM 32
/**********************
* TYPEDEFS
**********************/
/**********************
* STATIC PROTOTYPES
**********************/
/**********************
* STATIC VARIABLES
**********************/
static uint32_t sys_time = 0;
static volatile uint8_t tick_irq_flag;
static volatile uint8_t tick_cb_sem; /*Semaphore for tick callbacks*/
static void (*tick_callbacks[LV_HAL_TICK_CALLBACK_NUM])(void);
/**********************
* MACROS
**********************/
/**********************
* GLOBAL FUNCTIONS
**********************/
/**
* Call this function in every milliseconds
*/
void lv_tick_handler(void)
{
sys_time++;
/*Run the callback functions*/
uint8_t i;
for (i = 0; i < LV_HAL_TICK_CALLBACK_NUM; i++) {
if (tick_callbacks[i] != NULL) {
tick_callbacks[i]();
}
}
tick_irq_flag = 0; /*lv_hal_systick_get set it to know there was an IRQ*/
}
/**
* Get the elapsed milliseconds since start up
* @return the elapsed milliseconds
*/
uint32_t lv_tick_get(void)
{
uint32_t result;
do {
tick_irq_flag = 1;
result = sys_time;
} while(!tick_irq_flag); /*Systick IRQ clears this flag. Continue until make a non interrupted cycle */
return result;
}
/**
* Get the elapsed milliseconds science a previous time stamp
* @param prev_tick a previous time stamp ( return value of systick_get() )
* @return the elapsed milliseconds since 'prev_tick'
*/
uint32_t lv_tick_elaps(uint32_t prev_tick)
{
uint32_t act_time = lv_tick_get();
/*If there is no overflow in sys_time simple subtract*/
if(act_time >= prev_tick) {
prev_tick = act_time - prev_tick;
} else {
prev_tick = UINT32_MAX - prev_tick + 1;
prev_tick += act_time;
}
return prev_tick;
}
/**
* Add a callback function to the systick interrupt
* @param cb a function pointer
* @return true: 'cb' added to the systick callbacks, false: 'cb' not added
*/
bool lv_tick_add_callback(void (*cb) (void))
{
bool suc = false;
/*Take the semaphore. Be sure it is set*/
do {
tick_cb_sem = 1;
} while(!tick_cb_sem);
uint8_t i;
for (i = 0; i < LV_HAL_TICK_CALLBACK_NUM; i++) {
if (tick_callbacks[i] == NULL) {
tick_callbacks[i] = cb;
suc = true;
break;
}
}
/*Release the semaphore. Be sure it is cleared*/
do {
tick_cb_sem = 0;
} while(tick_cb_sem);
return suc;
}
/**
* Remove a callback function from the tick callbacks
* @param cb a function pointer (added with 'lv_hal_tick_add_callback')
*/
void lv_tick_rem_callback(void (*cb) (void))
{
/*Take the semaphore. Be sure it is set*/
do {
tick_cb_sem = 1;
} while(!tick_cb_sem);
uint8_t i;
for (i = 0; i < LV_HAL_TICK_CALLBACK_NUM; i++) {
if (tick_callbacks[i] == cb) {
tick_callbacks[i] = NULL;
break;
}
}
/*Release the semaphore. Be sure it is cleared*/
do {
tick_cb_sem = 0;
} while(tick_cb_sem);
}
/**********************
* STATIC FUNCTIONS
**********************/

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/**
* @file lv_hal_tick.h
* Provide access to the system tick with 1 millisecond resolution
*/
#ifndef LV_HAL_TICK_H
#define LV_HAL_TICK_H
#ifdef __cplusplus
extern "C" {
#endif
/*********************
* INCLUDES
*********************/
#include <stdint.h>
#include <stdbool.h>
/*********************
* DEFINES
*********************/
/**********************
* TYPEDEFS
**********************/
/**********************
* GLOBAL PROTOTYPES
**********************/
/**
* Call this function every milliseconds
*/
void lv_tick_handler(void);
/**
* Get the elapsed milliseconds since start up
* @return the elapsed milliseconds
*/
uint32_t lv_tick_get(void);
/**
* Get the elapsed milliseconds science a previous time stamp
* @param prev_tick a previous time stamp from 'systick_get'
* @return the elapsed milliseconds since 'prev_tick'
*/
uint32_t lv_tick_elaps(uint32_t prev_tick);
/**
* Add a callback function to the systick interrupt
* @param cb a function pointer
* @return true: 'cb' added to the systick callbacks, false: 'cb' not added
*/
bool lv_tick_add_callback(void (*cb) (void));
/**
* Remove a callback function from the tick callbacks
* @param cb a function pointer (added with 'lv_hal_tick_add_callback')
*/
void lv_tick_rem_callback(void (*cb) (void));
/**********************
* MACROS
**********************/
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif /*LV_HAL_TICK_H*/