diff options
Diffstat (limited to 'src/main.cpp')
| -rw-r--r-- | src/main.cpp | 26 |
1 files changed, 11 insertions, 15 deletions
diff --git a/src/main.cpp b/src/main.cpp index 1af96d5..4ceb98e 100644 --- a/src/main.cpp +++ b/src/main.cpp @@ -9,7 +9,6 @@ void tout(void); void pwm_invert_fast(void); -void pwm_invert_slow(void); // Onboard LED DigitalOut out_wave(LED1); @@ -34,6 +33,9 @@ Adafruit_SSD1306_Spi oled(gSpi, D_DC_PIN, D_RST_PIN, D_CS_PIN, 64, 128); int main(void) { + uint16_t frequency = 0; + uint16_t old_frequency = 0; + out_wave.write(0.5); oled.setRotation(2); wait(0.5); @@ -63,15 +65,17 @@ int main(void) oled.printf("\nS:%u C:%05u N:%u", switch_pressed[i], switch_count[i], current_f[i]); } - uint16_t frequency = 1000*current_f[3] + 100*current_f[2] + 10*current_f[1] + current_f[0]; + old_frequency = frequency; + frequency = 1000*current_f[3] + 100*current_f[2] + 10*current_f[1] + current_f[0]; + + if (frequency != old_frequency){ - oled.printf("\nF:%u ", frequency); + oled.printf("\nF:%u ", frequency); - if (frequency > 24) - pwm.attach_us(&pwm_invert_fast, 500000/frequency); - else if (frequency > 0) - pwm.attach_us(&pwm_invert_slow, 25000/frequency); + if (frequency) + pwm.attach_us(&pwm_invert_fast, 500000/frequency); + } //Copy the display buffer to the display oled.display(); } @@ -99,14 +103,6 @@ void tout(void) update = 1; } -void pwm_invert_slow(void){ - divider++; - if (divider % 25 == 0){ - divider = 0; - out_wave = !out_wave; - } -} - void pwm_invert_fast(void){ out_wave = !out_wave; } |