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anim path reworked + minor changes

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This commit is contained in:
Gabor Kiss-Vamosi
2017-12-17 01:54:09 +01:00
parent 7dad802981
commit f242eba9c1
23 changed files with 108 additions and 110 deletions
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82
lv_misc/lv_anim.c
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@@ -18,10 +18,8 @@
/*********************
* DEFINES
*********************/
#define ANIM_PATH_LENGTH 129 /*Elements in a path array*/
#define ANIM_PATH_START 64 /*In path array a value which corresponds to the start position*/
#define ANIM_PATH_END 192 /* ... to the end position. Not required, just for clearance.*/
#define ANIM_PATH_NORM_SHIFT 7 /*ANIM_PATH_START - ANIM_PATH_END. Must be 2^N. The exponent goes here. */
#define LV_ANIM_RESOLUTION 1024
#define LV_ANIM_RES_SHIFT 10
/**********************
* TYPEDEFS
@@ -40,18 +38,6 @@ static lv_ll_t anim_ll;
static uint32_t last_task_run;
static bool anim_del_global_flag = false;
static lv_anim_path_t anim_path_lin[] =
{64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95,
96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127,
128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159,
160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192};
static lv_anim_path_t anim_path_step[] =
{64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 192,};
/**********************
* MACROS
**********************/
@@ -141,24 +127,41 @@ uint16_t lv_anim_speed_to_time(uint16_t speed, int32_t start, int32_t end)
}
/**
* Get a predefine animation path
* @param name name of the path from 'anim_path_name_t'
* @return pointer to the path array
* Calculate the current value of an animation applying linear characteristic
* @param a pointer to an animation
* @return the current value to set
*/
lv_anim_path_t * lv_anim_get_path(lv_anim_path_name_t name)
int32_t lv_anim_path_linear(const lv_anim_t *a)
{
switch (name) {
case LV_ANIM_PATH_LIN:
return anim_path_lin;
break;
case LV_ANIM_PATH_STEP:
return anim_path_step;
break;
default:
return NULL;
break;
}
/*Calculate the current step*/
uint16_t step;
if(a->time == a->act_time) step = LV_ANIM_RESOLUTION; /*Use the last value id the time fully elapsed*/
else step = (a->act_time * LV_ANIM_RESOLUTION) / a->time;
/* Get the new value which will be proportional to the current element of 'path_p'
* and the 'start' and 'end' values*/
int32_t new_value;
new_value = (int32_t) step * (a->end - a->start);
new_value = new_value >> LV_ANIM_RES_SHIFT;
new_value += a->start;
return new_value;
}
/**
* Calculate the current value of an animation applying step characteristic.
* (Set end value on the end of the animation)
* @param a pointer to an animation
* @return the current value to set
*/
int32_t lv_anim_path_step(const lv_anim_t *a)
{
if(a->act_time >= a->time) return a->end;
else return a->start;
}
/**********************
* STATIC FUNCTIONS
**********************/
@@ -185,21 +188,10 @@ static void anim_task (void * param)
if(a->act_time >= 0) {
if(a->act_time > a->time) a->act_time = a->time;
/* Get the index of the path array based on the elapsed time*/
uint8_t path_i;
if(a->time == a->act_time) {
path_i = ANIM_PATH_LENGTH - 1; /*Use the last value id the time fully elapsed*/
} else {
path_i = a->act_time * (ANIM_PATH_LENGTH - 1) / a->time;
}
/* Get the new value which will be proportional to the current element of 'path_p'
* and the 'start' and 'end' values*/
int32_t new_val;
new_val = (int32_t)(a->path[path_i] - ANIM_PATH_START) * (a->end - a->start);
new_val = new_val >> ANIM_PATH_NORM_SHIFT;
new_val += a->start;
int32_t new_value;
new_value = a->path(a);
if(a->fp != NULL) a->fp(a->var, new_val); /*Apply the calculated value*/
if(a->fp != NULL) a->fp(a->var, new_value); /*Apply the calculated value*/
/*If the time is elapsed the animation is ready*/
if(a->act_time >= a->time) {