[1046] | 1 | #include <string.h> |
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| 2 | #include "ascii_characters.h" |
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| 3 | #include "warp_userioboard_util.h" |
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| 4 | #include "Sound_Test.h" |
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| 5 | #include "xparameters.h" |
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| 6 | |
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| 7 | #define CLKFREQ 50000000 |
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| 8 | |
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| 9 | #define MIDDLE_A (CLKFREQ / 440) |
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| 10 | #define LOUD 7500 |
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| 11 | |
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| 12 | int main() |
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| 13 | { |
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| 14 | xil_printf("Starting Sound v00.1\r\n"); |
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| 15 | |
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| 16 | int i, status; |
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| 17 | unsigned int trackball, trackball_prev; |
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| 18 | |
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| 19 | unsigned char buzzer_en = 0; |
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| 20 | unsigned int buzzer_duty = LOUD; |
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| 21 | unsigned int buzzer_period = MIDDLE_A; |
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| 22 | |
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| 23 | warp_userioboard_buzzer_set(buzzer_period, buzzer_duty); |
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| 24 | |
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| 25 | //Initialize the LCD for slot 1 (i.e. don't flip the image) and non-inverted colors |
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| 26 | warp_userioboard_lcd_init(1, 0); |
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| 27 | |
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| 28 | while(1) |
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| 29 | { |
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| 30 | trackball_prev = trackball; |
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| 31 | //Read the trackball inputs |
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| 32 | trackball = warp_userioboard_get_trackball(); |
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| 33 | |
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| 34 | switch(trackball ^ trackball_prev) |
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| 35 | { |
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| 36 | case TRACKBALL_PUSH: |
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| 37 | if(trackball & TRACKBALL_PUSH) |
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| 38 | buzzer_en = buzzer_en ^ 1; |
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| 39 | break; |
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| 40 | case TRACKBALL_UP: |
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| 41 | if(trackball & TRACKBALL_UP) |
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| 42 | buzzer_period = buzzer_period + 2500; |
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| 43 | break; |
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| 44 | case TRACKBALL_DOWN: |
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| 45 | if(trackball & TRACKBALL_DOWN) |
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| 46 | buzzer_period = buzzer_period - 2500; |
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| 47 | break; |
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| 48 | case TRACKBALL_RIGHT: |
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| 49 | if(trackball & TRACKBALL_RIGHT) |
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| 50 | buzzer_duty = buzzer_duty + 250; |
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| 51 | break; |
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| 52 | case TRACKBALL_LEFT: |
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| 53 | if(trackball & TRACKBALL_LEFT) |
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| 54 | buzzer_duty = buzzer_duty - 250; |
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| 55 | break; |
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| 56 | default: |
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| 57 | break; |
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| 58 | } |
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| 59 | |
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| 60 | warp_userioboard_set_buzzer_en(buzzer_en); |
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| 61 | warp_userioboard_buzzer_set(buzzer_period, buzzer_duty); |
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| 62 | } |
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| 63 | |
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| 64 | return 0; |
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| 65 | } |
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