Bylund Automotive Support

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#define           SPU_SET_PRESCALAR_8MHz         0b01000110    /* 8MHz prescalar with SDO active. */
#define           SPU_SET_CHANNEL_1              0b11100000    /* Setting active channel to 1 */
#define           SPU_SET_CHANNEL_2              0b11100001    /* Setting active channel to 2 */
#define           SPU_SET_BAND_PASS_FREQUENCY    0b00101010    /* Setting band pass frequency to 7.27kHz. */
#define           SPU_SET_PROGRAMMABLE_GAIN      0b10101111    /* Setting programmable gain to 0.222. */
#define           numberofCylinders              4             /* Defines the amount of cylinders for calculating engine speed. */
#define           SPU_SET_INTEGRATOR_TIME        0b11001010    /* Setting programmable integrator time constant to 100µs */
#define           KNOCK_THRESHOLD_LEVEL          204           /* Setting knock LED level, max value of 255. */
#define           MEASUREMENT_WINDOW_TIME        3000          /* Defining the time window of measurement to 3ms. */

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Channel 1: 17% - Channel 2: 17%
Channel 1: 16% - Channel 2:  3%
Channel 1:  3% - Channel 2: 17%
Channel 1: 17% - Channel 2: 17%
Channel 1: 17% - Channel 2: 17%
Channel 1: 17% - Channel 2: 17%
Channel 1: 17% - Channel 2: 100%
Channel 1: 100% - Channel 2: 35%
Channel 1: 35% - Channel 2: 17%
Channel 1: 17% - Channel 2: 16%
Channel 1: 31% - Channel 2: 100%
Channel 1: 28% - Channel 2: 17%
Channel 1: 17% - Channel 2: 17%
Channel 1: 17% - Channel 2: 17%
Channel 1: 16% - Channel 2: 100%
Channel 1: 100% - Channel 2: 38%
Channel 1: 17% - Channel 2: 31%
Channel 1: 31% - Channel 2: 31%
Channel 1: 31% - Channel 2: 31%
Channel 1: 31% - Channel 2: 31%
Channel 1: 31% - Channel 2: 31%
Channel 1: 17% - Channel 2: 17%
Channel 1: 17% - Channel 2: 17%
Channel 1: 17% - Channel 2: 17%
Channel 1: 100% - Channel 2: 16%
Channel 1: 10% - Channel 2: 10%
Channel 1: 10% - Channel 2: 17%
Channel 1:  1% - Channel 2:  1%
Channel 1: 16% - Channel 2: 30%
Channel 1: 30% - Channel 2: 100%