uGFX
/
ugfx
2
0
Fork 0
Code Issues 2 Pull Requests Projects Releases Wiki Activity

added guiDrawBarGraph()

ugfx_release_2.6
Tectu 2012-06-09 19:29:35 +02:00
parent 4cccbb1711
commit ab38112ed9
2 changed files with 84 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

56
gui.c
View File

@ -4,9 +4,10 @@
#include "glcd.h"
#include "touchpad.h"
volatile uint16_t x, y;
uint16_t x, y;
unsigned char buffer[32];
static msg_t buttonThread(struct button_t *a) {
static void buttonThread(struct button_t *a) {
uint16_t x0, y0, x1, y1;
x0 = a->x0;
@ -24,7 +25,7 @@ static msg_t buttonThread(struct button_t *a) {
}
}
static msg_t TouchPadThread(uint16_t updateInterval) {
static void TouchPadThread(uint16_t updateInterval) {
chRegSetThreadName("GUI");
while(TRUE) {
@ -35,6 +36,32 @@ static msg_t TouchPadThread(uint16_t updateInterval) {
}
}
static void barThread(struct bar_t *a) {
uint16_t percent = 0, value = 0, value_old = 0;
while(TRUE) {
percent = *(a->percent);
if(percent > 100)
percent = 100;
if(a->orientation == horizontal) {
value = ((((a->x1)-(a->x0)) * percent) / 100);
if(value_old > value || value == 0)
lcdFillArea(a->x0+1, a->y0+1, a->x1, a->y1, a->bkColor);
else
lcdDrawRect(a->x0+1, a->y0+1, a->x0+value, a->y1, filled, a->valueColor);
} else if(a->orientation == vertical) {
value = ((((a->y1)-(a->y0)) * percent) / 100);
if(value_old > value || value == 0)
lcdFillArea(a->x0+1, a->y0+1, a->x1, a->y1, a->bkColor);
else
lcdDrawRect(a->x0+1, a->y0+1, a->x1, a->y0+value, filled, a->valueColor);
}
value_old = value;
chThdSleepMilliseconds(a->interval);
}
}
void guiInit(uint16_t updateInterval) {
Thread *tp = NULL;
@ -54,8 +81,29 @@ Thread *guiDrawButton(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1, unsign
button->interval = interval;
lcdDrawRectString(x0, y0, x1, y1, str, fontColor, buttonColor);
tp = chThdCreateFromHeap(NULL, THD_WA_SIZE(512), NORMALPRIO, buttonThread, button);
tp = chThdCreateFromHeap(NULL, THD_WA_SIZE(64), NORMALPRIO, buttonThread, button);
return tp;
}
Thread *guiDrawBarGraph(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1, uint16_t orientation, uint16_t frameColor, uint16_t bkColor, uint16_t valueColor, uint16_t interval, uint16_t *percent) {
struct bar_t *bar;
Thread *tp = NULL;
bar = chHeapAlloc(NULL, sizeof(struct bar_t));
bar->x0 = x0;
bar->y0 = y0;
bar->x1 = x1;
bar->y1 = y1;
bar->orientation = orientation;
bar->frameColor = frameColor;
bar->bkColor = bkColor;
bar->valueColor = valueColor;
bar->percent = percent;
bar->interval = interval;
lcdDrawRect(x0, y0, x1, y1, frame, frameColor);
tp = chThdCreateFromHeap(NULL, THD_WA_SIZE(64), NORMALPRIO, barThread, bar);
return tp;
}

32
gui.h
View File

@ -10,6 +10,21 @@ struct button_t {
uint16_t interval;
};
struct bar_t {
uint16_t x0;
uint16_t y0;
uint16_t x1;
uint16_t y1;
uint16_t orientation;
uint16_t frameColor;
uint16_t bkColor;
uint16_t valueColor;
uint16_t interval;
uint8_t *percent;
};
enum {horizontal, vertical};
/*
* Description: starts main GUI thread which keeps X and Y coordinates of touchpad updated for guiDraw() threads
*
@ -28,11 +43,28 @@ void guiInit(uint16_t updateIntervl);
* - str: string written centered into button
* - fontColor: color of string
* - buttonColor: color of button
* - interval: interval in ms which updates state
* - state: pointer to variable which keeps state (1 = pressed, 0 = unpressed)
*
* return: pointer to created thread
*/
Thread *guiDrawButton(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1, unsigned char *str, uint16_t fontColor, uint16_t buttonColor, uint16_t inverval, uint8_t *state);
/*
* Description: draws a bar graph and updates it's value
*
* param:
* - x0, y0, x1, y1: coordinates where bar graph gets drawn
* - orientation: horizontal or vertical
* - frameColor: color of the frame
* - bkColor: color of piece inside bar with is not set
* - valueColor: color of value that will be drawn into bar
* - interval: interval in ms which updates percentage
* - percent: pointer value from 0 to 100 percent
*
* return : pointer to created thread
*/
Thread *guiDrawBarGraph(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1, uint16_t orientation, uint16_t frameColor, uint16_t bkColor, uint16_t valueColor, uint16_t interval, uint16_t *percent);
#endif