311c0e7168
Add grid lines to graph demo. Update graph arrows to allow seperate control of positive and negative axis arrowheads.
65 lines
1.6 KiB
C
65 lines
1.6 KiB
C
#include "ch.h"
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#include "hal.h"
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#include "gfx.h"
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#include "math.h"
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int data[5][2] = {
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{ 0, 0 },
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{ 10, 10 },
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{ 20, 20 },
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{ 30, 30 },
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{ 40, 40 }
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};
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GGraphObject g;
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GGraphStyle GraphStyle1 = {
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{ GGRAPH_POINT_DOT, 0, Blue }, // point
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{ GGRAPH_LINE_NONE, 2, Gray }, // line
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{ GGRAPH_LINE_SOLID, 0, White }, // x axis
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{ GGRAPH_LINE_SOLID, 0, White }, // y axis
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{ GGRAPH_LINE_DASH, 5, Gray, 50 }, // x grid
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{ GGRAPH_LINE_DOT, 7, Yellow, 50 }, // y grid
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GWIN_GRAPH_STYLE_POSITIVE_AXIS_ARROWS // flags
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};
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GGraphStyle GraphStyle2 = {
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{ GGRAPH_POINT_DOT, 0, Green }, // point
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{ GGRAPH_LINE_NONE, 2, Gray }, // line
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{ GGRAPH_LINE_SOLID, 0, White }, // x axis
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{ GGRAPH_LINE_SOLID, 0, White }, // y axis
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{ GGRAPH_LINE_DASH, 5, Gray, 50 }, // x grid
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{ GGRAPH_LINE_DOT, 7, Yellow, 50 }, // y grid
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GWIN_GRAPH_STYLE_POSITIVE_AXIS_ARROWS // flags
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};
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int main(void) {
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GHandle gh;
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uint16_t i;
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halInit();
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chSysInit();
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gdispInit();
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gdispClear(Black);
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gh = gwinCreateGraph(&g, 0, 0, gdispGetWidth(), gdispGetHeight());
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gwinGraphSetOrigin(gh, gwinGetWidth(gh)/2, gwinGetHeight(gh)/2);
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gwinGraphSetStyle(gh, &GraphStyle1);
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gwinGraphDrawAxis(gh);
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for(i = 0; i < gwinGetWidth(gh); i++)
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gwinGraphDrawPoint(gh, i-gwinGetWidth(gh)/2, 80*sin(2*0.2*M_PI*i/180));
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gwinGraphStartSet(gh);
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gwinGraphSetStyle(gh, &GraphStyle2);
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for(i = 0; i < gwinGetWidth(gh)*5; i++)
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gwinGraphDrawPoint(gh, i/5-gwinGetWidth(gh)/2, 95*sin(2*0.2*M_PI*i/180));
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while(TRUE) {
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chThdSleepMilliseconds(100);
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}
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}
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