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| en:examples:sensor:mic [2015/12/28 13:38] – created kaupo.raid | en:examples:sensor:mic [2020/07/20 09:00] (current) – external edit 127.0.0.1 | ||
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| Line 1: | Line 1: | ||
| - | ====== | + | ====== |
| - | //Vajalikud teadmised: | + | //Necessary knowledge: |
| - | [HW] [[et: | + | [HW] [[en: |
| [AVR] [[et: | [AVR] [[et: | ||
| - | [LIB] [[et: | + | [LIB] [[en: |
| - | [LIB] [[et: | + | [LIB] [[en: |
| - | ===== Teooria | + | ===== Theory |
| - | [{{ :et: | + | [{{ :en: |
| - | ===== Praktika | + | ===== Practice |
| <code c> | <code c> | ||
| - | // Kodulabori mikrofoni näidisprogramm | + | // Homelab microphone example |
| - | // LCD ekraanil kuvatakse helitugevuse graafik ja teatud helitugevusest süüdatakse LED | + | // Microphone sound level graph is shown on LCD and when sound level exceeds threshold an led lights up. |
| #include < | #include < | ||
| #include < | #include < | ||
| Line 24: | Line 24: | ||
| #define ADC_CHANNEL 12 | #define ADC_CHANNEL 12 | ||
| - | // Põhiprogramm | + | // Main program |
| int main(void) | int main(void) | ||
| { | { | ||
| Line 30: | Line 30: | ||
| BYTE n; | BYTE n; | ||
| - | // LCD ekraani seadistamine | + | // LCD setup function |
| lcd_gfx_init(); | lcd_gfx_init(); | ||
| Line 36: | Line 36: | ||
| adc_init(ADC_REF_AVCC, | adc_init(ADC_REF_AVCC, | ||
| - | // LED-i viigu väljundiks seadmine | + | // Set LED pin as output |
| pin_setup_output(led_yellow); | pin_setup_output(led_yellow); | ||
| pin_set(led_yellow); | pin_set(led_yellow); | ||
| - | // Ekraani päise joonistamine | + | // LCD background draw |
| FgColor = BLUE; | FgColor = BLUE; | ||
| BkColor = YELLOW; | BkColor = YELLOW; | ||
| Line 49: | Line 49: | ||
| FgColor = RED; | FgColor = RED; | ||
| - | // Lõputu tsükkel | + | // Infinite loop |
| while (1) | while (1) | ||
| { | { | ||
| - | // Graafiku ala kustutamine | + | // Clear graph area from LCD |
| lcd_gfx_fillRect(0, | lcd_gfx_fillRect(0, | ||
| - | // Graafiku joonistamine. Ekraani laius on 128 pikslit. | + | // Drawing the graph on LCD. Width of LCD is 128 pixels. |
| for (n = 0; n <= 128; n++) | for (n = 0; n <= 128; n++) | ||
| { | { | ||
| - | // Mikrofoni | + | // Microphone |
| mic = map(adc_get_value(ADC_CHANNEL), | mic = map(adc_get_value(ADC_CHANNEL), | ||
| - | // Punkti graafikule kandmine | + | // Draw value on graph as dot |
| lcd_gfx_drawPixel(n, | lcd_gfx_drawPixel(n, | ||
| - | // LED-i süütamine, | + | // Light up LED if value exceeds threshold (30) |
| if(mic > 30) | if(mic > 30) | ||
| { | { | ||
