Added display updates
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585b8875a4
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39
main.c
39
main.c
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@ -6,7 +6,7 @@
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#include "st7735_gfx.h"
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#include "st7735_font.h"
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#include "logo_bw.h"
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//#include "logo_bw.h"
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#include "free_sans.h"
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@ -41,7 +41,7 @@ uint16_t interpolate_profile(uint16_t t) {
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void splash_screen(void) {
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st7735_fill_rect(0, 0, 160, 128, ST7735_COLOR_BLACK);
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st7735_draw_mono_bitmap(16, 4, &logo_bw, ST7735_COLOR_WHITE, ST7735_COLOR_BLACK);
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//st7735_draw_mono_bitmap(16, 4, &logo_bw, ST7735_COLOR_WHITE, ST7735_COLOR_BLACK);
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_delay_ms(2000);
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}
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@ -52,17 +52,43 @@ void draw_plot_template(void) {
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st7735_draw_fast_hline(0, y, 160, st7735_color(128,128,128));
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}
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for(uint8_t x = 10; x < 160; x+=10) {
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for(uint8_t x = 15; x < 160; x+=15) {
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st7735_draw_fast_vline(x, 20, 128, st7735_color(128,128,128));
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}
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for(uint8_t t = 0; t < 160; t++) {
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uint16_t temp = interpolate_profile(t * 2);
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st7735_draw_pixel(t, 127 - (temp / 250), ST7735_COLOR_CYAN);
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st7735_draw_pixel(t, 127 - (temp / 250), ST7735_COLOR_GREEN);
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}
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}
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void format_temp(uint16_t temp, char *buffer) {
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uint16_t a = temp % 100;
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uint16_t b = temp / 100;
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snprintf(buffer, 7, "%0.3d.%0.2d", b, a);
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}
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void update_plot(uint16_t t, uint16_t temp) {
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char tmp[7];
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tmp[0] = 0;
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st7735_fill_rect(0, 0, 80, 20, ST7735_COLOR_BLACK);
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format_temp(temp, tmp);
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st7735_draw_text(5, 15, tmp, &FreeSans, 1, ST7735_COLOR_RED);
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st7735_fill_rect(80, 0, 80, 20, ST7735_COLOR_BLACK);
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format_temp(interpolate_profile(t), tmp);
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st7735_draw_text(80, 15, tmp, &FreeSans, 1, ST7735_COLOR_GREEN);
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for(uint8_t x = 15; x < 160; x+=15) {
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st7735_draw_fast_vline(x, 20, 28, st7735_color(128,128,128));
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}
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st7735_draw_fast_vline(t / 2, 20, 8, ST7735_COLOR_CYAN);
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st7735_draw_pixel(t / 2, 127 - (temp / 250), ST7735_COLOR_RED);
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}
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int main(void) {
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spi_init();
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@ -74,6 +100,11 @@ int main(void) {
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draw_plot_template();
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for(uint16_t t = 0; t < 320; t++) {
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update_plot(t, 2200);
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_delay_ms(1000);
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}
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while(1);
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}
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