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Merge pull request #3272 from thinkyhead/rc_filament_sensor_scope

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Minor cleanup to filament sensor code
This commit is contained in:
Scott Lahteine 2016-03-28 20:51:46 -07:00
parent f83c03f594 3252df7998
commit 9e520ae319
3 changed files with 4 additions and 9 deletions
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2
Marlin/Marlin.h
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@ -338,7 +338,7 @@ extern bool axis_homed[3]; // axis[n].is_homed
extern float filament_width_nominal; //holds the theoretical filament diameter i.e., 3.00 or 1.75
extern bool filament_sensor; //indicates that filament sensor readings should control extrusion
extern float filament_width_meas; //holds the filament diameter as accurately measured
extern signed char measurement_delay[]; //ring buffer to delay measurement
extern int8_t measurement_delay[]; //ring buffer to delay measurement
extern int delay_index1, delay_index2; //ring buffer index. used by planner, temperature, and main code
extern float delay_dist; //delay distance counter
extern int meas_delay_cm; //delay distance

4
Marlin/Marlin_main.cpp
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@ -410,7 +410,7 @@ static uint8_t target_extruder;
float filament_width_nominal = DEFAULT_NOMINAL_FILAMENT_DIA; //Set nominal filament width, can be changed with M404
bool filament_sensor = false; //M405 turns on filament_sensor control, M406 turns it off
float filament_width_meas = DEFAULT_MEASURED_FILAMENT_DIA; //Stores the measured filament diameter
signed char measurement_delay[MAX_MEASUREMENT_DELAY + 1]; //ring buffer to delay measurement store extruder factor after subtracting 100
int8_t measurement_delay[MAX_MEASUREMENT_DELAY + 1]; //ring buffer to delay measurement store extruder factor after subtracting 100
int delay_index1 = 0; //index into ring buffer
int delay_index2 = -1; //index into ring buffer - set to -1 on startup to indicate ring buffer needs to be initialized
float delay_dist = 0; //delay distance counter
@ -5464,7 +5464,7 @@ inline void gcode_M400() { st_synchronize(); }
if (delay_index2 == -1) { //initialize the ring buffer if it has not been done since startup
int temp_ratio = widthFil_to_size_ratio();
for (delay_index1 = 0; delay_index1 < MAX_MEASUREMENT_DELAY + 1; ++delay_index1)
for (delay_index1 = 0; delay_index1 < COUNT(measurement_delay); ++delay_index1)
measurement_delay[delay_index1] = temp_ratio - 100; //subtract 100 to scale within a signed byte
delay_index1 = delay_index2 = 0;

7
Marlin/planner.cpp
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@ -147,10 +147,6 @@ uint8_t g_uc_extruder_last_move[EXTRUDERS] = { 0 };
static long axis_segment_time[2][3] = { {MAX_FREQ_TIME + 1, 0, 0}, {MAX_FREQ_TIME + 1, 0, 0} };
#endif
#if ENABLED(FILAMENT_SENSOR)
static char meas_sample; //temporary variable to hold filament measurement sample
#endif
#if ENABLED(DUAL_X_CARRIAGE)
extern bool extruder_duplication_enabled;
#endif
@ -857,7 +853,6 @@ float junction_deviation = 0.1;
#if ENABLED(FILAMENT_SENSOR)
//FMM update ring buffer used for delay with filament measurements
if (extruder == FILAMENT_SENSOR_EXTRUDER_NUM && delay_index2 > -1) { //only for extruder with filament sensor and if ring buffer is initialized
const int MMD = MAX_MEASUREMENT_DELAY + 1, MMD10 = MMD * 10;
@ -870,7 +865,7 @@ float junction_deviation = 0.1;
delay_index1 = constrain(delay_index1, 0, MAX_MEASUREMENT_DELAY); // (already constrained above)
if (delay_index1 != delay_index2) { // moved index
meas_sample = widthFil_to_size_ratio() - 100; // Subtract 100 to reduce magnitude - to store in a signed char
int8_t meas_sample = widthFil_to_size_ratio() - 100; // Subtract 100 to reduce magnitude - to store in a signed char
while (delay_index1 != delay_index2) {
// Increment and loop around buffer
if (++delay_index2 >= MMD) delay_index2 -= MMD;