Differences
This shows you the differences between two versions of the page.
| Both sides previous revisionPrevious revisionNext revision | Previous revision | ||
| de:examples:sensor:ir_distance [2012/03/20 14:56] – wittkoepper | de:examples:sensor:ir_distance [2020/07/20 09:00] (current) – external edit 127.0.0.1 | ||
|---|---|---|---|
| Line 53: | Line 53: | ||
| d = 5461 / (ADC - 17) - 2 | d = 5461 / (ADC - 17) - 2 | ||
| - | Diese Formel kann man mit 16-Bit | + | Diese Formel kann mit 16-Bit |
| - | Es folgt die Funktion | + | Nachfolgend ist die Funktion |
| <code c> | <code c> | ||
| // | // | ||
| - | // The structure of the parameters of the IR distance sensors | + | // Die Struktur der Parameter des Infrarot-Entfernungsmessers |
| // | // | ||
| typedef const struct | typedef const struct | ||
| Line 71: | Line 71: | ||
| // | // | ||
| - | // The object of the parameters of GP2Y0A21YK | + | // Die Parametereigenschaften des GP2Y0A21YK |
| // | // | ||
| const ir_distance_sensor GP2Y0A21YK = { 5461, -17, 2 }; | const ir_distance_sensor GP2Y0A21YK = { 5461, -17, 2 }; | ||
| // | // | ||
| - | // Converting the values of the IR distance sensor to centimeters | + | // Konvertieren der Werte des Infrarot-Entfernungsmessers in Centimeter |
| - | // Returns | + | // Gibt -1 aus, wenn die Konvertierung nicht erfolgreich war |
| // | // | ||
| signed short ir_distance_calculate_cm(ir_distance_sensor sensor, | signed short ir_distance_calculate_cm(ir_distance_sensor sensor, | ||
| Line 91: | Line 91: | ||
| </ | </ | ||
| - | Um eine Konversion zu machen | + | Zur Durchführung der Konvertierung |
| <code c> | <code c> | ||
| // | // | ||
| - | // The example program of the IR distance sensor of the HomeLab | + | // Beispielprogramm des Infrarot-Entfernungsmessers des HomeLab |
| - | // Measured results | + | // Die in Centimetern gemessenen Ergebnisse werden auf dem LCD abgebildet |
| // | // | ||
| #include < | #include < | ||
| Line 105: | Line 105: | ||
| // | // | ||
| - | // Main program | + | // Hauptprogramm |
| // | // | ||
| int main(void) | int main(void) | ||
| Line 113: | Line 113: | ||
| char text[16]; | char text[16]; | ||
| - | // Initialization of LCD | + | // External sensor selection |
| + | pin ex_sensors = PIN(G, 0); | ||
| + | pin_setup_output(ex_sensors); | ||
| + | pin_set(ex_sensors); | ||
| + | |||
| + | // Initialisierung des LCD | ||
| lcd_alpha_init(LCD_ALPHA_DISP_ON); | lcd_alpha_init(LCD_ALPHA_DISP_ON); | ||
| - | // Clearing the LCD | + | // Löschen des LCD |
| lcd_alpha_clear(); | lcd_alpha_clear(); | ||
| - | // Name of the program | + | // Name des Programms |
| lcd_alpha_write_string(" | lcd_alpha_write_string(" | ||
| - | // Setup of the ADC | + | // Installation des ADC |
| adc_init(ADC_REF_AVCC, | adc_init(ADC_REF_AVCC, | ||
| - | // Endless loop | + | // Endlosschleife |
| while (true) | while (true) | ||
| { | { | ||
| - | // Reading the 4 times rounded value of the output voltage of the sensor | + | // Auslesen des viermal gerundeten Wertes der Outputspannung des Sensors |
| value = adc_get_average_value(0, | value = adc_get_average_value(0, | ||
| - | // Conversing | + | // Konvertieren des ADC-Wertes in Entfernung |
| distance = ir_distance_calculate_cm(GP2Y0A21YK, | distance = ir_distance_calculate_cm(GP2Y0A21YK, | ||
| - | // Was the calculation successful? | + | // War die Berechnung erfolgreich? |
| if (distance >= 0) | if (distance >= 0) | ||
| { | { | ||
| - | // Conversing distance to text | + | // Konvertieren von Entfernung in Text |
| sprintf(text, | sprintf(text, | ||
| } | } | ||
| else | else | ||
| { | { | ||
| - | // Creating the text for unknown distance | + | // Text für eine unbekannte Entfernung erzeugen |
| sprintf(text, | sprintf(text, | ||
| } | } | ||
| - | // Displaying the text in the beginning of the second row on the LCD | + | // Anzeige des Textes am Anfang der zweiten Zeile auf dem LCD |
| lcd_alpha_goto_xy(0, | lcd_alpha_goto_xy(0, | ||
| lcd_alpha_write_string(text); | lcd_alpha_write_string(text); | ||
| Line 156: | Line 161: | ||
| </ | </ | ||
| - | ===== Extra materials | + | ===== Zusätzliches Material |
| - | * {{: | + | * {{: |
| - | * [[http:// | + | * [[http:// |
