diff options
Diffstat (limited to 'src/drivers/mkblctrl/mkblctrl.cpp')
-rw-r--r-- | src/drivers/mkblctrl/mkblctrl.cpp | 458 |
1 files changed, 94 insertions, 364 deletions
diff --git a/src/drivers/mkblctrl/mkblctrl.cpp b/src/drivers/mkblctrl/mkblctrl.cpp index 30d6069b3..ec5f77d74 100644 --- a/src/drivers/mkblctrl/mkblctrl.cpp +++ b/src/drivers/mkblctrl/mkblctrl.cpp @@ -1,6 +1,6 @@ /**************************************************************************** * - * Copyright (C) 2012,2013 PX4 Development Team. All rights reserved. + * Copyright (C) 2012-2014 PX4 Development Team. All rights reserved. * Author: Marco Bauer <marco@wtns.de> * * Redistribution and use in source and binary forms, with or without @@ -65,7 +65,6 @@ #include <drivers/device/device.h> #include <drivers/drv_pwm_output.h> -#include <drivers/drv_gpio.h> #include <drivers/drv_hrt.h> #include <drivers/drv_rc_input.h> @@ -93,16 +92,12 @@ #define MOTOR_SPINUP_COUNTER 30 #define ESC_UORB_PUBLISH_DELAY 500000 + + + class MK : public device::I2C { public: - enum Mode { - MODE_NONE, - MODE_2PWM, - MODE_4PWM, - MODE_6PWM, - }; - enum MappingMode { MAPPING_MK = 0, MAPPING_PX4, @@ -120,8 +115,7 @@ public: virtual int init(unsigned motors); virtual ssize_t write(file *filp, const char *buffer, size_t len); - int set_mode(Mode mode); - int set_pwm_rate(unsigned rate); + int set_update_rate(unsigned rate); int set_motor_count(unsigned count); int set_motor_test(bool motortest); int set_overrideSecurityChecks(bool overrideSecurityChecks); @@ -133,7 +127,6 @@ private: static const unsigned _max_actuators = MAX_MOTORS; static const bool showDebug = false; - Mode _mode; int _update_rate; int _current_update_rate; int _task; @@ -180,33 +173,15 @@ private: static const GPIOConfig _gpio_tab[]; static const unsigned _ngpio; - void gpio_reset(void); - void gpio_set_function(uint32_t gpios, int function); - void gpio_write(uint32_t gpios, int function); - uint32_t gpio_read(void); - int gpio_ioctl(file *filp, int cmd, unsigned long arg); int mk_servo_arm(bool status); - int mk_servo_set(unsigned int chan, short val); int mk_servo_set_value(unsigned int chan, short val); int mk_servo_test(unsigned int chan); short scaling(float val, float inMin, float inMax, float outMin, float outMax); - - }; -const MK::GPIOConfig MK::_gpio_tab[] = { - {GPIO_GPIO0_INPUT, GPIO_GPIO0_OUTPUT, 0}, - {GPIO_GPIO1_INPUT, GPIO_GPIO1_OUTPUT, 0}, - {GPIO_GPIO2_INPUT, GPIO_GPIO2_OUTPUT, GPIO_USART2_CTS_1}, - {GPIO_GPIO3_INPUT, GPIO_GPIO3_OUTPUT, GPIO_USART2_RTS_1}, - {GPIO_GPIO4_INPUT, GPIO_GPIO4_OUTPUT, GPIO_USART2_TX_1}, - {GPIO_GPIO5_INPUT, GPIO_GPIO5_OUTPUT, GPIO_USART2_RX_1}, - {GPIO_GPIO6_INPUT, GPIO_GPIO6_OUTPUT, GPIO_CAN2_TX_2}, - {GPIO_GPIO7_INPUT, GPIO_GPIO7_OUTPUT, GPIO_CAN2_RX_2}, -}; -const unsigned MK::_ngpio = sizeof(MK::_gpio_tab) / sizeof(MK::_gpio_tab[0]); + const int blctrlAddr_quad_plus[] = { 2, 2, -2, -2, 0, 0, 0, 0 }; // Addresstranslator for Quad + configuration const int blctrlAddr_hexa_plus[] = { 0, 2, 2, -2, 1, -3, 0, 0 }; // Addresstranslator for Hexa + configuration @@ -247,8 +222,7 @@ MK *g_mk; MK::MK(int bus, const char *_device_path) : I2C("mkblctrl", "/dev/mkblctrl", bus, 0, I2C_BUS_SPEED), - _mode(MODE_NONE), - _update_rate(50), + _update_rate(400), _task(-1), _t_actuators(-1), _t_actuator_armed(-1), @@ -317,26 +291,23 @@ MK::init(unsigned motors) usleep(500000); - if (sizeof(_device) > 0) { - ret = register_driver(_device, &fops, 0666, (void *)this); + if (sizeof(_device) > 0) { + ret = register_driver(_device, &fops, 0666, (void *)this); - if (ret == OK) { + if (ret == OK) { log("creating alternate output device"); _primary_pwm_device = true; } - } - - /* reset GPIOs */ - gpio_reset(); + } /* start the IO interface task */ _task = task_spawn_cmd("mkblctrl", - SCHED_DEFAULT, - SCHED_PRIORITY_MAX - 20, - 2048, - (main_t)&MK::task_main_trampoline, - nullptr); + SCHED_DEFAULT, + SCHED_PRIORITY_MAX - 20, + 2048, + (main_t)&MK::task_main_trampoline, + nullptr); if (_task < 0) { @@ -354,43 +325,7 @@ MK::task_main_trampoline(int argc, char *argv[]) } int -MK::set_mode(Mode mode) -{ - /* - * Configure for PWM output. - * - * Note that regardless of the configured mode, the task is always - * listening and mixing; the mode just selects which of the channels - * are presented on the output pins. - */ - switch (mode) { - case MODE_2PWM: - up_pwm_servo_deinit(); - _update_rate = UPDATE_RATE; /* default output rate */ - break; - - case MODE_4PWM: - up_pwm_servo_deinit(); - _update_rate = UPDATE_RATE; /* default output rate */ - break; - - case MODE_NONE: - debug("MODE_NONE"); - /* disable servo outputs and set a very low update rate */ - up_pwm_servo_deinit(); - _update_rate = UPDATE_RATE; - break; - - default: - return -EINVAL; - } - - _mode = mode; - return OK; -} - -int -MK::set_pwm_rate(unsigned rate) +MK::set_update_rate(unsigned rate) { if ((rate > 500) || (rate < 10)) return -EINVAL; @@ -621,11 +556,13 @@ MK::task_main() } } - if(!_overrideSecurityChecks) { + if (!_overrideSecurityChecks) { /* don't go under BLCTRL_MIN_VALUE */ + if (outputs.output[i] < BLCTRL_MIN_VALUE) { outputs.output[i] = BLCTRL_MIN_VALUE; } + } /* output to BLCtrl's */ @@ -675,21 +612,24 @@ MK::task_main() esc.esc[i].esc_current = (uint16_t) Motor[i].Current; esc.esc[i].esc_rpm = (uint16_t) 0; esc.esc[i].esc_setpoint = (float) Motor[i].SetPoint_PX4; + if (Motor[i].Version == 1) { // BLCtrl 2.0 (11Bit) - esc.esc[i].esc_setpoint_raw = (uint16_t) (Motor[i].SetPoint<<3) | Motor[i].SetPointLowerBits; + esc.esc[i].esc_setpoint_raw = (uint16_t)(Motor[i].SetPoint << 3) | Motor[i].SetPointLowerBits; + } else { // BLCtrl < 2.0 (8Bit) esc.esc[i].esc_setpoint_raw = (uint16_t) Motor[i].SetPoint; } + esc.esc[i].esc_temperature = (uint16_t) Motor[i].Temperature; esc.esc[i].esc_state = (uint16_t) Motor[i].State; esc.esc[i].esc_errorcount = (uint16_t) 0; - // if motortest is requested - do it... - if (_motortest == true) { - mk_servo_test(i); - } + // if motortest is requested - do it... + if (_motortest == true) { + mk_servo_test(i); + } } @@ -728,7 +668,7 @@ MK::mk_servo_arm(bool status) unsigned int MK::mk_check_for_blctrl(unsigned int count, bool showOutput, bool initI2C) { - if(initI2C) { + if (initI2C) { I2C::init(); } @@ -781,8 +721,8 @@ MK::mk_check_for_blctrl(unsigned int count, bool showOutput, bool initI2C) fprintf(stderr, "[mkblctrl] blctrl[%i] : found=%i\tversion=%i\tcurrent=%i\tmaxpwm=%i\ttemperature=%i\n", i, Motor[i].State, Motor[i].Version, Motor[i].Current, Motor[i].MaxPWM, Motor[i].Temperature); } - - if(!_overrideSecurityChecks) { + + if (!_overrideSecurityChecks) { if (foundMotorCount != 4 && foundMotorCount != 6 && foundMotorCount != 8) { _task_should_exit = true; } @@ -811,8 +751,8 @@ MK::mk_servo_set(unsigned int chan, short val) tmpVal = 0; } - Motor[chan].SetPoint = (uint8_t)(tmpVal>>3)&0xff; - Motor[chan].SetPointLowerBits = ((uint8_t)tmpVal%8)&0x07; + Motor[chan].SetPoint = (uint8_t)(tmpVal >> 3) & 0xff; + Motor[chan].SetPointLowerBits = ((uint8_t)tmpVal % 8) & 0x07; if (_armed == false) { Motor[chan].SetPoint = 0; @@ -1019,28 +959,6 @@ MK::ioctl(file *filp, int cmd, unsigned long arg) { int ret; - // XXX disabled, confusing users - - /* try it as a GPIO ioctl first */ - ret = gpio_ioctl(filp, cmd, arg); - - if (ret != -ENOTTY) - return ret; - - /* if we are in valid PWM mode, try it as a PWM ioctl as well */ - /* - switch (_mode) { - case MODE_2PWM: - case MODE_4PWM: - case MODE_6PWM: - ret = pwm_ioctl(filp, cmd, arg); - break; - - default: - debug("not in a PWM mode"); - break; - } - */ ret = pwm_ioctl(filp, cmd, arg); /* if nobody wants it, let CDev have it */ @@ -1075,6 +993,10 @@ MK::pwm_ioctl(file *filp, int cmd, unsigned long arg) ret = OK; break; + case PWM_SERVO_GET_UPDATE_RATE: + *(uint32_t *)arg = _update_rate; + break; + case PWM_SERVO_SET_SELECT_UPDATE_RATE: ret = OK; break; @@ -1084,6 +1006,7 @@ MK::pwm_ioctl(file *filp, int cmd, unsigned long arg) if (arg < 2150) { Motor[cmd - PWM_SERVO_SET(0)].RawPwmValue = (unsigned short)arg; mk_servo_set(cmd - PWM_SERVO_SET(0), scaling(arg, 1010, 2100, 0, 2047)); + } else { ret = -EINVAL; } @@ -1198,139 +1121,10 @@ MK::write(file *filp, const char *buffer, size_t len) return count * 2; } -void -MK::gpio_reset(void) -{ - /* - * Setup default GPIO config - all pins as GPIOs, GPIO driver chip - * to input mode. - */ - for (unsigned i = 0; i < _ngpio; i++) - stm32_configgpio(_gpio_tab[i].input); - - stm32_gpiowrite(GPIO_GPIO_DIR, 0); - stm32_configgpio(GPIO_GPIO_DIR); -} - -void -MK::gpio_set_function(uint32_t gpios, int function) -{ - /* - * GPIOs 0 and 1 must have the same direction as they are buffered - * by a shared 2-port driver. Any attempt to set either sets both. - */ - if (gpios & 3) { - gpios |= 3; - - /* flip the buffer to output mode if required */ - if (GPIO_SET_OUTPUT == function) - stm32_gpiowrite(GPIO_GPIO_DIR, 1); - } - - /* configure selected GPIOs as required */ - for (unsigned i = 0; i < _ngpio; i++) { - if (gpios & (1 << i)) { - switch (function) { - case GPIO_SET_INPUT: - stm32_configgpio(_gpio_tab[i].input); - break; - - case GPIO_SET_OUTPUT: - stm32_configgpio(_gpio_tab[i].output); - break; - - case GPIO_SET_ALT_1: - if (_gpio_tab[i].alt != 0) - stm32_configgpio(_gpio_tab[i].alt); - - break; - } - } - } - - /* flip buffer to input mode if required */ - if ((GPIO_SET_INPUT == function) && (gpios & 3)) - stm32_gpiowrite(GPIO_GPIO_DIR, 0); -} - -void -MK::gpio_write(uint32_t gpios, int function) -{ - int value = (function == GPIO_SET) ? 1 : 0; - - for (unsigned i = 0; i < _ngpio; i++) - if (gpios & (1 << i)) - stm32_gpiowrite(_gpio_tab[i].output, value); -} - -uint32_t -MK::gpio_read(void) -{ - uint32_t bits = 0; - - for (unsigned i = 0; i < _ngpio; i++) - if (stm32_gpioread(_gpio_tab[i].input)) - bits |= (1 << i); - - return bits; -} - -int -MK::gpio_ioctl(struct file *filp, int cmd, unsigned long arg) -{ - int ret = OK; - - lock(); - - switch (cmd) { - - case GPIO_RESET: - gpio_reset(); - break; - - case GPIO_SET_OUTPUT: - case GPIO_SET_INPUT: - case GPIO_SET_ALT_1: - gpio_set_function(arg, cmd); - break; - - case GPIO_SET_ALT_2: - case GPIO_SET_ALT_3: - case GPIO_SET_ALT_4: - ret = -EINVAL; - break; - - case GPIO_SET: - case GPIO_CLEAR: - gpio_write(arg, cmd); - break; - - case GPIO_GET: - *(uint32_t *)arg = gpio_read(); - break; - - default: - ret = -ENOTTY; - } - - unlock(); - - return ret; -} namespace { -enum PortMode { - PORT_MODE_UNSET = 0, - PORT_FULL_GPIO, - PORT_FULL_SERIAL, - PORT_FULL_PWM, - PORT_GPIO_AND_SERIAL, - PORT_PWM_AND_SERIAL, - PORT_PWM_AND_GPIO, -}; - enum MappingMode { MAPPING_MK = 0, MAPPING_PX4, @@ -1341,20 +1135,11 @@ enum FrameType { FRAME_X, }; -PortMode g_port_mode; int -mk_new_mode(PortMode new_mode, int update_rate, int motorcount, bool motortest, int px4mode, int frametype, bool overrideSecurityChecks) +mk_new_mode(int update_rate, int motorcount, bool motortest, int px4mode, int frametype, bool overrideSecurityChecks) { - uint32_t gpio_bits; int shouldStop = 0; - MK::Mode servo_mode; - - /* reset to all-inputs */ - g_mk->ioctl(0, GPIO_RESET, 0); - - gpio_bits = 0; - servo_mode = MK::MODE_NONE; /* native PX4 addressing) */ g_mk->set_px4mode(px4mode); @@ -1368,7 +1153,6 @@ mk_new_mode(PortMode new_mode, int update_rate, int motorcount, bool motortest, /* ovveride security checks if enabled */ g_mk->set_overrideSecurityChecks(overrideSecurityChecks); - /* count used motors */ do { if (g_mk->mk_check_for_blctrl(8, false, false) != 0) { @@ -1383,86 +1167,54 @@ mk_new_mode(PortMode new_mode, int update_rate, int motorcount, bool motortest, g_mk->set_motor_count(g_mk->mk_check_for_blctrl(8, true, false)); - /* (re)set the PWM output mode */ - g_mk->set_mode(servo_mode); - - - if ((servo_mode != MK::MODE_NONE) && (update_rate != 0)) - g_mk->set_pwm_rate(update_rate); + g_mk->set_update_rate(update_rate); return OK; } int -mk_start(unsigned bus, unsigned motors, char *device_path) -{ - int ret = OK; - - if (g_mk == nullptr) { - - g_mk = new MK(bus, device_path); - - if (g_mk == nullptr) { - ret = -ENOMEM; - - } else { - ret = g_mk->init(motors); - - if (ret != OK) { - delete g_mk; - g_mk = nullptr; - } - } - } - - return ret; -} - - -int -mk_check_for_i2c_esc_bus(char *device_path, int motors) +mk_start(unsigned motors, char *device_path) { int ret; - if (g_mk == nullptr) { + // try i2c3 first + g_mk = new MK(3, device_path); - g_mk = new MK(3, device_path); + if (!g_mk) + return -ENOMEM; - if (g_mk == nullptr) { - return -1; - - } else { - ret = g_mk->mk_check_for_blctrl(8, false, true); - delete g_mk; - g_mk = nullptr; - - if (ret > 0) { - return 3; - } + if (OK == g_mk->init(motors)) { + warnx("[mkblctrl] scanning i2c3...\n"); + ret = g_mk->mk_check_for_blctrl(8, false, true); + if (ret > 0) { + return OK; } + } + delete g_mk; + g_mk = nullptr; - g_mk = new MK(1, device_path); - - if (g_mk == nullptr) { - return -1; + // fallback to bus 1 + g_mk = new MK(1, device_path); - } else { - ret = g_mk->mk_check_for_blctrl(8, false, true); - delete g_mk; - g_mk = nullptr; + if (!g_mk) + return -ENOMEM; - if (ret > 0) { - return 1; - } + if (OK == g_mk->init(motors)) { + warnx("[mkblctrl] scanning i2c1...\n"); + ret = g_mk->mk_check_for_blctrl(8, false, true); + if (ret > 0) { + return OK; } } - return -1; -} + delete g_mk; + g_mk = nullptr; + return -ENXIO; +} } // namespace @@ -1472,10 +1224,8 @@ extern "C" __EXPORT int mkblctrl_main(int argc, char *argv[]); int mkblctrl_main(int argc, char *argv[]) { - PortMode port_mode = PORT_FULL_PWM; int pwm_update_rate_in_hz = UPDATE_RATE; int motorcount = 8; - int bus = -1; int px4mode = MAPPING_PX4; int frametype = FRAME_PLUS; // + plus is default bool motortest = false; @@ -1489,18 +1239,6 @@ mkblctrl_main(int argc, char *argv[]) */ for (int i = 1; i < argc; i++) { - /* look for the optional i2c bus parameter */ - if (strcmp(argv[i], "-b") == 0 || strcmp(argv[i], "--bus") == 0) { - if (argc > i + 1) { - bus = atoi(argv[i + 1]); - newMode = true; - - } else { - errx(1, "missing argument for i2c bus (-b)"); - return 1; - } - } - /* look for the optional frame parameter */ if (strcmp(argv[i], "-mkmode") == 0 || strcmp(argv[i], "--mkmode") == 0) { if (argc > i + 1) { @@ -1560,51 +1298,43 @@ mkblctrl_main(int argc, char *argv[]) fprintf(stderr, "mkblctrl: help:\n"); fprintf(stderr, " [-mkmode {+/x}] [-b i2c_bus_number] [-d devicename] [--override-security-checks] [-h / --help]\n\n"); fprintf(stderr, "\t -mkmode {+/x} \t\t Type of frame, if Mikrokopter motor order is used.\n"); - fprintf(stderr, "\t -b {i2c_bus_number} \t\t Set the i2c bus where the ESCs are connected to (default autoscan).\n"); fprintf(stderr, "\t -d {devicepath & name}\t\t Create alternate pwm device.\n"); fprintf(stderr, "\t --override-security-checks \t\t Disable all security checks (arming and number of ESCs). Used to test single Motors etc. (DANGER !!!)\n"); fprintf(stderr, "\n"); fprintf(stderr, "Motortest:\n"); fprintf(stderr, "First you have to start mkblctrl, the you can enter Motortest Mode with:\n"); fprintf(stderr, "mkblctrl -t\n"); - fprintf(stderr, "This will spin up once every motor in order of motoraddress. (DANGER !!!)\n"); + fprintf(stderr, "This will spin up once every motor in order of motoraddress. (DANGER !!!)\n"); exit(1); } if (!motortest) { - if (g_mk == nullptr) { - if (bus == -1) { - bus = mk_check_for_i2c_esc_bus(devicepath, motorcount); - } - - if (bus != -1) { - if (mk_start(bus, motorcount, devicepath) != OK) { - errx(1, "failed to start the MK-BLCtrl driver"); - } - } else { - errx(1, "failed to start the MK-BLCtrl driver (cannot find i2c esc's)"); - } - - /* parameter set ? */ - if (newMode) { - /* switch parameter */ - return mk_new_mode(port_mode, pwm_update_rate_in_hz, motorcount, motortest, px4mode, frametype, overrideSecurityChecks); - } - - exit(0); - } else { - errx(1, "MK-BLCtrl driver already running"); - } - - } else { - if (g_mk == nullptr) { - errx(1, "MK-BLCtrl driver not running. You have to start it first."); - - } else { - g_mk->set_motor_test(motortest); - exit(0); - - } - } + if (g_mk == nullptr) { + if (mk_start(motorcount, devicepath) != OK) { + errx(1, "failed to start the MK-BLCtrl driver"); + } + + /* parameter set ? */ + if (newMode) { + /* switch parameter */ + return mk_new_mode(pwm_update_rate_in_hz, motorcount, motortest, px4mode, frametype, overrideSecurityChecks); + } + + exit(0); + + } else { + errx(1, "MK-BLCtrl driver already running"); + } + + } else { + if (g_mk == nullptr) { + errx(1, "MK-BLCtrl driver not running. You have to start it first."); + + } else { + g_mk->set_motor_test(motortest); + exit(0); + + } + } } |