Data Structures | |
| struct | avr32_acc_t |
| Set of computed data. More... | |
| struct | xyz_t |
| All 3-axis values from ADC conversion. More... | |
Macros | |
| #define | ACC_SHIFT 2 |
Nominal values out of lis3l06al accelerometer spec | |
| #define | ACC_ZERO (512 >> ACC_SHIFT) |
| #define | ACC_1G (205 >> ACC_SHIFT) |
| #define | ACC_MIN ( ACC_ZERO - ACC_1G ) |
| #define | ACC_MAX ( ACC_ZERO + ACC_1G ) |
Sinus table | |
| #define | SIN0 0 |
| #define | SIN15 0.26 |
| #define | SIN30 0.5 |
| #define | SIN45 0.71 |
| #define | SIN60 0.87 |
| #define | SIN75 0.97 |
| #define | SIN90 1 |
Axis calibration correction | |
| #define | ACC_CALIB_X 0 |
| #define | ACC_CALIB_Y 0 |
| #define | ACC_CALIB_Z 0 |
Axis zero point. | |
| #define | ACC_ZERO_X ( ACC_ZERO + ACC_CALIB_X ) |
| #define | ACC_ZERO_Y ( ACC_ZERO + ACC_CALIB_Y ) |
| #define | ACC_ZERO_Z ( ACC_ZERO + ACC_CALIB_Z ) |
Axis reference values for a set of predefined angles. | |
| #define | ACC_TRIG_X0 (int) ( ACC_ZERO_X - SIN15 * ACC_1G ) |
| #define | ACC_TRIG_X1 (int) ( ACC_ZERO_X + SIN15 * ACC_1G ) |
| #define | ACC_TRIG_Y0 (int) ( ACC_ZERO_Y - SIN15 * ACC_1G ) |
| #define | ACC_TRIG_Y1 (int) ( ACC_ZERO_Y + SIN15 * ACC_1G ) |
| #define | ACC_TRIG_Z_TOP (int) ( ACC_ZERO_Z - SIN75 * ACC_1G ) |
| #define | ACC_TRIG_Z_BOT (int) ( ACC_ZERO_Z + SIN60 * ACC_1G ) |
Sudden acceleration thresholds | |
| #define | ACC_QUIET_LO (int) ( 0.6 * ACC_1G * ACC_1G ) |
| #define | ACC_QUIET_HI (int) ( 1.4 * ACC_1G * ACC_1G ) |
Accelerometer ADC channel mapping | |
| #define | ADC_CHANNEL_X ADC_ACC_X_CHANNEL |
| #define | ADC_CHANNEL_Y ADC_ACC_Y_CHANNEL |
| #define | ADC_CHANNEL_Z ADC_ACC_Z_CHANNEL |
Functions | |
| unsigned long | acc_get_m_x (void) |
| Return measured value of X sensor. More... | |
| unsigned long | acc_get_m_y (void) |
| Return measured value of Y sensor. More... | |
| unsigned long | acc_get_m_z (void) |
| Return measured value of Z sensor. More... | |
| void | acc_init (void) |
| Initialize Accelerometer driver. Mandatory to call. More... | |
| void | acc_update (void) |
| Get accelerometer measure (3x) and process results. More... | |
| signed long | is_acc_abs_angle_x (unsigned long abs_ang) |
| Test if absolute value of X angle has reached the specified limit. More... | |
| signed long | is_acc_abs_angle_y (unsigned long abs_ang) |
| Test if absolute value of Y angle has reached the specified limit. More... | |
| bool | is_acc_down (void) |
| Test if sensor have detected 'down' orientation. More... | |
| bool | is_acc_left (void) |
| Test if sensor have detected 'left' orientation. More... | |
| bool | is_acc_meuh (char stop) |
| Detect a topdown to up transition. More... | |
| bool | is_acc_right (void) |
| Test if sensor have detected 'right' orientation. More... | |
| bool | is_acc_slow (void) |
| Test acceleration about 1g +-10%. More... | |
| bool | is_acc_topdown (void) |
| Test if sensor have detected 'topdown' orientation. More... | |
| bool | is_acc_up (void) |
| Test if sensor have detected 'up' orientation. More... | |
1.8.5