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Merge remote-tracking branch 'upstream/Devt' into i2s_io_expander

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odaki
2020-04-25 23:11:33 +09:00
parent de0be43694 774f6322d1
commit c3f14314fd
5 changed files with 18 additions and 10 deletions
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10
Grbl_Esp32/Machines/pen_laser.h
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@@ -51,7 +51,7 @@
// If SPINDLE_PWM_PIN is commented out, this frees up the pin, but Grbl will still
// use a virtual spindle. Do not comment out the other parameters for the spindle.
#define SPINDLE_PWM_PIN GPIO_NUM_17 // Laser PWM
//#define SPINDLE_PWM_PIN GPIO_NUM_17 // Laser PWM
#define USING_SERVO // uncomment to use this feature
//#define USING_SOLENOID // uncomment to use this feature
@@ -59,8 +59,8 @@
#ifdef USING_SERVO
#define USE_SERVO_AXES
#define SERVO_Z_PIN GPIO_NUM_27
#define SERVO_Z_RANGE_MIN 0
#define SERVO_Z_RANGE_MAX 10
#define SERVO_Z_RANGE_MIN 0.0
#define SERVO_Z_RANGE_MAX 10.0
#endif
#ifdef USING_SOLENOID
@@ -99,8 +99,8 @@
#define DEFAULT_LASER_MODE 0 // false
#define DEFAULT_X_STEPS_PER_MM 80
#define DEFAULT_Y_STEPS_PER_MM 80
#define DEFAULT_X_STEPS_PER_MM 80.0
#define DEFAULT_Y_STEPS_PER_MM 80.0
#define DEFAULT_Z_STEPS_PER_MM 100.0 // This is percent in servo mode...used for calibration
#define DEFAULT_X_MAX_RATE 5000.0 // mm/min

2
Grbl_Esp32/grbl.h
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@@ -20,7 +20,7 @@
// Grbl versioning system
#define GRBL_VERSION "1.1f"
#define GRBL_VERSION_BUILD "20200417"
#define GRBL_VERSION_BUILD "20200419"
//#include <sdkconfig.h>
#include <Arduino.h>

2
Grbl_Esp32/servo_axis.h
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@@ -79,7 +79,7 @@
#define SERVO_CAL_MIN 20.0 // Percent: the minimum allowable calibration value
#define SERVO_CAL_MAX 180.0 // Percent: the maximum allowable calibration value
#define SERVO_TIMER_INT_FREQ 20 // Hz This is the task frequency
#define SERVO_TIMER_INT_FREQ 20.0 // Hz This is the task frequency
#define SERVO_HOMING_OFF 0 // servo is off during homing
#define SERVO_HOMING_TARGET 1 // servo is send to a location during homing

2
Grbl_Esp32/spindle_control.cpp
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@@ -56,7 +56,7 @@ void spindle_init() {
pinMode(SPINDLE_DIR_PIN, OUTPUT);
#endif
// use the LED control feature to setup PWM https://docs.espressif.com/projects/esp-idf/en/latest/api-reference/peripherals/ledc.html
spindle_pwm_chan_num = sys_get_next_PWM_chan_num();
spindle_pwm_chan_num = 0; // spindle always uses channel 0
ledcSetup(spindle_pwm_chan_num, (double)settings.spindle_pwm_freq, SPINDLE_PWM_BIT_PRECISION); // setup the channel
ledcAttachPin(SPINDLE_PWM_PIN, spindle_pwm_chan_num); // attach the PWM to the pin
// Start with spindle off off

10
Grbl_Esp32/system.cpp
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@@ -589,8 +589,16 @@ int8_t sys_get_next_RMT_chan_num() {
}
}
/*
This returns an unused pwm channel.
The 8 channels share 4 timers, so pairs 0,1 & 2,3 , etc
have to be the same frequency. The spindle always uses channel 0
so we start counting from 2.
There are still possible issues if requested channels use different frequencies
TODO: Make this more robust.
*/
int8_t sys_get_next_PWM_chan_num() {
static uint8_t next_PWM_chan_num = 0; // channels 0-7 are valid
static uint8_t next_PWM_chan_num = 2; // start at 2 to avoid spindle
if (next_PWM_chan_num < 8) // 7 is the max PWM channel number
return next_PWM_chan_num++;
else {