diff options
| -rw-r--r-- | Images/px4iov2.prototype | 12 | ||||
| -rw-r--r-- | apps/drivers/boards/px4iov2/Makefile | 41 | ||||
| -rw-r--r-- | makefiles/board_px4iov2.mk | 10 | ||||
| -rw-r--r-- | makefiles/config_px4iov2_default.mk | 10 | ||||
| -rw-r--r-- | nuttx/configs/px4fmuv2/nsh/appconfig | 86 | ||||
| -rwxr-xr-x | nuttx/configs/px4iov2/include/board.h | 11 | ||||
| -rw-r--r-- | nuttx/configs/px4iov2/include/drv_i2c_device.h | 42 | ||||
| -rw-r--r-- | nuttx/configs/px4iov2/io/appconfig | 8 | ||||
| -rwxr-xr-x | nuttx/configs/px4iov2/io/defconfig | 2 | ||||
| -rw-r--r-- | nuttx/configs/px4iov2/src/drv_i2c_device.c | 618 | ||||
| -rw-r--r-- | src/drivers/boards/px4iov2/module.mk | 6 | ||||
| -rw-r--r-- | src/drivers/boards/px4iov2/px4iov2_init.c | 171 | ||||
| -rwxr-xr-x | src/drivers/boards/px4iov2/px4iov2_internal.h | 112 | ||||
| -rw-r--r-- | src/drivers/boards/px4iov2/px4iov2_pwm_servo.c | 123 |
14 files changed, 456 insertions, 796 deletions
diff --git a/Images/px4iov2.prototype b/Images/px4iov2.prototype new file mode 100644 index 000000000..af87924e9 --- /dev/null +++ b/Images/px4iov2.prototype @@ -0,0 +1,12 @@ +{ + "board_id": 10, + "magic": "PX4FWv2", + "description": "Firmware for the PX4IOv2 board", + "image": "", + "build_time": 0, + "summary": "PX4IOv2", + "version": "2.0", + "image_size": 0, + "git_identity": "", + "board_revision": 0 +} diff --git a/apps/drivers/boards/px4iov2/Makefile b/apps/drivers/boards/px4iov2/Makefile deleted file mode 100644 index 85806fe6f..000000000 --- a/apps/drivers/boards/px4iov2/Makefile +++ /dev/null @@ -1,41 +0,0 @@ -############################################################################ -# -# Copyright (C) 2012 PX4 Development Team. All rights reserved. -# -# Redistribution and use in source and binary forms, with or without -# modification, are permitted provided that the following conditions -# are met: -# -# 1. Redistributions of source code must retain the above copyright -# notice, this list of conditions and the following disclaimer. -# 2. Redistributions in binary form must reproduce the above copyright -# notice, this list of conditions and the following disclaimer in -# the documentation and/or other materials provided with the -# distribution. -# 3. Neither the name PX4 nor the names of its contributors may be -# used to endorse or promote products derived from this software -# without specific prior written permission. -# -# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS -# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE -# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, -# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, -# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS -# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED -# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT -# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN -# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -# POSSIBILITY OF SUCH DAMAGE. -# -############################################################################ - -# -# Board-specific startup code for the PX4IO -# - -INCLUDES = $(TOPDIR)/arch/arm/src/stm32 $(TOPDIR)/arch/arm/src/common -LIBNAME = brd_px4io - -include $(APPDIR)/mk/app.mk diff --git a/makefiles/board_px4iov2.mk b/makefiles/board_px4iov2.mk new file mode 100644 index 000000000..ee6b6125e --- /dev/null +++ b/makefiles/board_px4iov2.mk @@ -0,0 +1,10 @@ +# +# Board-specific definitions for the PX4IOv2 +# + +# +# Configure the toolchain +# +CONFIG_ARCH = CORTEXM3 + +include $(PX4_MK_DIR)/toolchain_gnu-arm-eabi.mk diff --git a/makefiles/config_px4iov2_default.mk b/makefiles/config_px4iov2_default.mk new file mode 100644 index 000000000..f9f35d629 --- /dev/null +++ b/makefiles/config_px4iov2_default.mk @@ -0,0 +1,10 @@ +# +# Makefile for the px4iov2_default configuration +# + +# +# Board support modules +# +MODULES += drivers/stm32 +MODULES += drivers/boards/px4iov2 +MODULES += modules/px4iofirmware
\ No newline at end of file diff --git a/nuttx/configs/px4fmuv2/nsh/appconfig b/nuttx/configs/px4fmuv2/nsh/appconfig index d945f3d88..0e18aa8ef 100644 --- a/nuttx/configs/px4fmuv2/nsh/appconfig +++ b/nuttx/configs/px4fmuv2/nsh/appconfig @@ -41,92 +41,6 @@ CONFIGURED_APPS += examples/nsh CONFIGURED_APPS += nshlib CONFIGURED_APPS += system/readline -# System library - utility functions -CONFIGURED_APPS += systemlib -CONFIGURED_APPS += systemlib/mixer - -# Math library -ifneq ($(CONFIG_APM),y) -CONFIGURED_APPS += mathlib -CONFIGURED_APPS += mathlib/CMSIS -CONFIGURED_APPS += examples/math_demo -endif - -# Control library -ifneq ($(CONFIG_APM),y) -CONFIGURED_APPS += controllib -CONFIGURED_APPS += examples/control_demo -CONFIGURED_APPS += examples/kalman_demo -endif - -# System utility commands -CONFIGURED_APPS += systemcmds/reboot -CONFIGURED_APPS += systemcmds/perf -CONFIGURED_APPS += systemcmds/top -CONFIGURED_APPS += systemcmds/boardinfo -CONFIGURED_APPS += systemcmds/mixer -CONFIGURED_APPS += systemcmds/param -CONFIGURED_APPS += systemcmds/pwm -CONFIGURED_APPS += systemcmds/bl_update -CONFIGURED_APPS += systemcmds/preflight_check -CONFIGURED_APPS += systemcmds/delay_test - -# Tutorial code from -# https://pixhawk.ethz.ch/px4/dev/hello_sky -# CONFIGURED_APPS += examples/px4_simple_app - -# Tutorial code from -# https://pixhawk.ethz.ch/px4/dev/deamon -# CONFIGURED_APPS += examples/px4_deamon_app - -# Tutorial code from -# https://pixhawk.ethz.ch/px4/dev/debug_values -# CONFIGURED_APPS += examples/px4_mavlink_debug - -# Shared object broker; required by many parts of the system. -CONFIGURED_APPS += uORB - -CONFIGURED_APPS += mavlink -CONFIGURED_APPS += mavlink_onboard -CONFIGURED_APPS += commander -CONFIGURED_APPS += sdlog -CONFIGURED_APPS += sensors - -ifneq ($(CONFIG_APM),y) -CONFIGURED_APPS += multirotor_att_control -CONFIGURED_APPS += multirotor_pos_control -CONFIGURED_APPS += fixedwing_att_control -CONFIGURED_APPS += fixedwing_pos_control -CONFIGURED_APPS += position_estimator -CONFIGURED_APPS += attitude_estimator_ekf -CONFIGURED_APPS += hott_telemetry -endif - -# Hacking tools -# XXX needs updating for new i2c config -#CONFIGURED_APPS += systemcmds/i2c - -# Communication and Drivers -CONFIGURED_APPS += drivers/boards/px4fmuv2 -CONFIGURED_APPS += drivers/device -# XXX needs conversion to SPI -#CONFIGURED_APPS += drivers/ms5611 -# XXX needs conversion to serial -#CONFIGURED_APPS += drivers/px4io -CONFIGURED_APPS += drivers/stm32 -#CONFIGURED_APPS += drivers/led -CONFIGURED_APPS += drivers/blinkm -CONFIGURED_APPS += drivers/stm32/tone_alarm -CONFIGURED_APPS += drivers/stm32/adc -#CONFIGURED_APPS += drivers/px4fmu -CONFIGURED_APPS += drivers/hil -CONFIGURED_APPS += drivers/gps -CONFIGURED_APPS += drivers/mb12xx - -# Testing stuff -CONFIGURED_APPS += px4/sensors_bringup -CONFIGURED_APPS += px4/tests - ifeq ($(CONFIG_CAN),y) #CONFIGURED_APPS += examples/can endif diff --git a/nuttx/configs/px4iov2/include/board.h b/nuttx/configs/px4iov2/include/board.h index b8dc71144..21aacda87 100755 --- a/nuttx/configs/px4iov2/include/board.h +++ b/nuttx/configs/px4iov2/include/board.h @@ -100,12 +100,19 @@ * Some of the USART pins are not available; override the GPIO * definitions with an invalid pin configuration. */ +#undef GPIO_USART2_CTS #define GPIO_USART2_CTS 0xffffffff +#undef GPIO_USART2_RTS #define GPIO_USART2_RTS 0xffffffff +#undef GPIO_USART2_CK #define GPIO_USART2_CK 0xffffffff +#undef GPIO_USART3_TX #define GPIO_USART3_TX 0xffffffff +#undef GPIO_USART3_CK #define GPIO_USART3_CK 0xffffffff +#undef GPIO_USART3_CTS #define GPIO_USART3_CTS 0xffffffff +#undef GPIO_USART3_RTS #define GPIO_USART3_RTS 0xffffffff /* @@ -168,6 +175,10 @@ extern "C" { ************************************************************************************/ EXTERN void stm32_boardinitialize(void); + +#if defined(__cplusplus) +} +#endif #endif /* __ASSEMBLY__ */ #endif /* __ARCH_BOARD_BOARD_H */ diff --git a/nuttx/configs/px4iov2/include/drv_i2c_device.h b/nuttx/configs/px4iov2/include/drv_i2c_device.h deleted file mode 100644 index 02582bc09..000000000 --- a/nuttx/configs/px4iov2/include/drv_i2c_device.h +++ /dev/null @@ -1,42 +0,0 @@ -/**************************************************************************** - * - * Copyright (C) 2012 PX4 Development Team. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * 3. Neither the name PX4 nor the names of its contributors may be - * used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS - * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED - * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - ****************************************************************************/ - - /** - * @file A simple, polled I2C slave-mode driver. - * - * The master writes to and reads from a byte buffer, which the caller - * can update inbetween calls to the FSM. - */ - -extern void i2c_fsm_init(uint8_t *buffer, size_t buffer_size); -extern bool i2c_fsm(void); diff --git a/nuttx/configs/px4iov2/io/appconfig b/nuttx/configs/px4iov2/io/appconfig index 628607a51..48a41bcdb 100644 --- a/nuttx/configs/px4iov2/io/appconfig +++ b/nuttx/configs/px4iov2/io/appconfig @@ -30,11 +30,3 @@ # POSSIBILITY OF SUCH DAMAGE. # ############################################################################ - -CONFIGURED_APPS += drivers/boards/px4io -CONFIGURED_APPS += drivers/stm32 - -CONFIGURED_APPS += px4io - -# Mixer library from systemlib -CONFIGURED_APPS += systemlib/mixer diff --git a/nuttx/configs/px4iov2/io/defconfig b/nuttx/configs/px4iov2/io/defconfig index bb937cf4e..c73f0df89 100755 --- a/nuttx/configs/px4iov2/io/defconfig +++ b/nuttx/configs/px4iov2/io/defconfig @@ -127,7 +127,7 @@ CONFIG_STM32_WWDG=n CONFIG_STM32_SPI2=n CONFIG_STM32_USART2=y CONFIG_STM32_USART3=y -CONFIG_STM32_I2C1=y +CONFIG_STM32_I2C1=n CONFIG_STM32_I2C2=n CONFIG_STM32_BKP=n CONFIG_STM32_PWR=n diff --git a/nuttx/configs/px4iov2/src/drv_i2c_device.c b/nuttx/configs/px4iov2/src/drv_i2c_device.c deleted file mode 100644 index 1f5931ae5..000000000 --- a/nuttx/configs/px4iov2/src/drv_i2c_device.c +++ /dev/null @@ -1,618 +0,0 @@ -/**************************************************************************** - * - * Copyright (C) 2012 PX4 Development Team. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * 3. Neither the name PX4 nor the names of its contributors may be - * used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS - * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED - * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - ****************************************************************************/ - - /** - * @file A simple, polled I2C slave-mode driver. - * - * The master writes to and reads from a byte buffer, which the caller - * can update inbetween calls to the FSM. - */ - -#include <stdbool.h> - -#include "stm32_i2c.h" - -#include <string.h> - -/* - * I2C register definitions. - */ -#define I2C_BASE STM32_I2C1_BASE - -#define REG(_reg) (*(volatile uint32_t *)(I2C_BASE + _reg)) - -#define rCR1 REG(STM32_I2C_CR1_OFFSET) -#define rCR2 REG(STM32_I2C_CR2_OFFSET) -#define rOAR1 REG(STM32_I2C_OAR1_OFFSET) -#define rOAR2 REG(STM32_I2C_OAR2_OFFSET) -#define rDR REG(STM32_I2C_DR_OFFSET) -#define rSR1 REG(STM32_I2C_SR1_OFFSET) -#define rSR2 REG(STM32_I2C_SR2_OFFSET) -#define rCCR REG(STM32_I2C_CCR_OFFSET) -#define rTRISE REG(STM32_I2C_TRISE_OFFSET) - -/* - * "event" values (cr2 << 16 | cr1) as described in the ST DriverLib - */ -#define I2C_EVENT_SLAVE_RECEIVER_ADDRESS_MATCHED ((uint32_t)0x00020002) /* BUSY and ADDR flags */ -#define I2C_EVENT_SLAVE_TRANSMITTER_ADDRESS_MATCHED ((uint32_t)0x00060082) /* TRA, BUSY, TXE and ADDR flags */ -#define I2C_EVENT_SLAVE_BYTE_RECEIVED ((uint32_t)0x00020040) /* BUSY and RXNE flags */ -#define I2C_EVENT_SLAVE_STOP_DETECTED ((uint32_t)0x00000010) /* STOPF flag */ -#define I2C_EVENT_SLAVE_BYTE_TRANSMITTED ((uint32_t)0x00060084) /* TRA, BUSY, TXE and BTF flags */ -#define I2C_EVENT_SLAVE_BYTE_TRANSMITTING ((uint32_t)0x00060080) /* TRA, BUSY and TXE flags */ -#define I2C_EVENT_SLAVE_ACK_FAILURE ((uint32_t)0x00000400) /* AF flag */ - -/** - * States implemented by the I2C FSM. - */ -enum fsm_state { - BAD_PHASE, // must be zero, default exit on a bad state transition - - WAIT_FOR_MASTER, - - /* write from master */ - WAIT_FOR_COMMAND, - RECEIVE_COMMAND, - RECEIVE_DATA, - HANDLE_COMMAND, - - /* read from master */ - WAIT_TO_SEND, - SEND_STATUS, - SEND_DATA, - - NUM_STATES -}; - -/** - * Events recognised by the I2C FSM. - */ -enum fsm_event { - /* automatic transition */ - AUTO, - - /* write from master */ - ADDRESSED_WRITE, - BYTE_RECEIVED, - STOP_RECEIVED, - - /* read from master */ - ADDRESSED_READ, - BYTE_SENDABLE, - ACK_FAILED, - - NUM_EVENTS -}; - -/** - * Context for the I2C FSM - */ -static struct fsm_context { - enum fsm_state state; - - /* XXX want to eliminate these */ - uint8_t command; - uint8_t status; - - uint8_t *data_ptr; - uint32_t data_count; - - size_t buffer_size; - uint8_t *buffer; -} context; - -/** - * Structure defining one FSM state and its outgoing transitions. - */ -struct fsm_transition { - void (*handler)(void); - enum fsm_state next_state[NUM_EVENTS]; -}; - -static bool i2c_command_received; - -static void fsm_event(enum fsm_event event); - -static void go_bad(void); -static void go_wait_master(void); - -static void go_wait_command(void); -static void go_receive_command(void); -static void go_receive_data(void); -static void go_handle_command(void); - -static void go_wait_send(void); -static void go_send_status(void); -static void go_send_buffer(void); - -/** - * The FSM state graph. - */ -static const struct fsm_transition fsm[NUM_STATES] = { - [BAD_PHASE] = { - .handler = go_bad, - .next_state = { - [AUTO] = WAIT_FOR_MASTER, - }, - }, - - [WAIT_FOR_MASTER] = { - .handler = go_wait_master, - .next_state = { - [ADDRESSED_WRITE] = WAIT_FOR_COMMAND, - [ADDRESSED_READ] = WAIT_TO_SEND, - }, - }, - - /* write from master*/ - [WAIT_FOR_COMMAND] = { - .handler = go_wait_command, - .next_state = { - [BYTE_RECEIVED] = RECEIVE_COMMAND, - [STOP_RECEIVED] = WAIT_FOR_MASTER, - }, - }, - [RECEIVE_COMMAND] = { - .handler = go_receive_command, - .next_state = { - [BYTE_RECEIVED] = RECEIVE_DATA, - [STOP_RECEIVED] = HANDLE_COMMAND, - }, - }, - [RECEIVE_DATA] = { - .handler = go_receive_data, - .next_state = { - [BYTE_RECEIVED] = RECEIVE_DATA, - [STOP_RECEIVED] = HANDLE_COMMAND, - }, - }, - [HANDLE_COMMAND] = { - .handler = go_handle_command, - .next_state = { - [AUTO] = WAIT_FOR_MASTER, - }, - }, - - /* buffer send */ - [WAIT_TO_SEND] = { - .handler = go_wait_send, - .next_state = { - [BYTE_SENDABLE] = SEND_STATUS, - }, - }, - [SEND_STATUS] = { - .handler = go_send_status, - .next_state = { - [BYTE_SENDABLE] = SEND_DATA, - [ACK_FAILED] = WAIT_FOR_MASTER, - }, - }, - [SEND_DATA] = { - .handler = go_send_buffer, - .next_state = { - [BYTE_SENDABLE] = SEND_DATA, - [ACK_FAILED] = WAIT_FOR_MASTER, - }, - }, -}; - - -/* debug support */ -#if 1 -struct fsm_logentry { - char kind; - uint32_t code; -}; - -#define LOG_ENTRIES 32 -static struct fsm_logentry fsm_log[LOG_ENTRIES]; -int fsm_logptr; -#define LOG_NEXT(_x) (((_x) + 1) % LOG_ENTRIES) -#define LOGx(_kind, _code) \ - do { \ - fsm_log[fsm_logptr].kind = _kind; \ - fsm_log[fsm_logptr].code = _code; \ - fsm_logptr = LOG_NEXT(fsm_logptr); \ - fsm_log[fsm_logptr].kind = 0; \ - } while(0) - -#define LOG(_kind, _code) \ - do {\ - if (fsm_logptr < LOG_ENTRIES) { \ - fsm_log[fsm_logptr].kind = _kind; \ - fsm_log[fsm_logptr].code = _code; \ - fsm_logptr++;\ - }\ - }while(0) - -#else -#define LOG(_kind, _code) -#endif - - -static void i2c_setclock(uint32_t frequency); - -/** - * Initialise I2C - * - */ -void -i2c_fsm_init(uint8_t *buffer, size_t buffer_size) -{ - /* save the buffer */ - context.buffer = buffer; - context.buffer_size = buffer_size; - - // initialise the FSM - context.status = 0; - context.command = 0; - context.state = BAD_PHASE; - fsm_event(AUTO); - -#if 0 - // enable the i2c block clock and reset it - modifyreg32(STM32_RCC_APB1ENR, 0, RCC_APB1ENR_I2C1EN); - modifyreg32(STM32_RCC_APB1RSTR, 0, RCC_APB1RSTR_I2C1RST); - modifyreg32(STM32_RCC_APB1RSTR, RCC_APB1RSTR_I2C1RST, 0); - - // configure the i2c GPIOs - stm32_configgpio(GPIO_I2C1_SCL); - stm32_configgpio(GPIO_I2C1_SDA); - - // set the peripheral clock to match the APB clock - rCR2 = STM32_PCLK1_FREQUENCY / 1000000; - - // configure for 100kHz operation - i2c_setclock(100000); - - // enable i2c - rCR1 = I2C_CR1_PE; -#endif -} - -/** - * Run the I2C FSM for some period. - * - * @return True if the buffer has been updated by a command. - */ -bool -i2c_fsm(void) -{ - uint32_t event; - int idle_iterations = 0; - - for (;;) { - // handle bus error states by discarding the current operation - if (rSR1 & I2C_SR1_BERR) { - context.state = WAIT_FOR_MASTER; - rSR1 = ~I2C_SR1_BERR; - } - - // we do not anticipate over/underrun errors as clock-stretching is enabled - - // fetch the most recent event - event = ((rSR2 << 16) | rSR1) & 0x00ffffff; - - // generate FSM events based on I2C events - switch (event) { - case I2C_EVENT_SLAVE_RECEIVER_ADDRESS_MATCHED: - LOG('w', 0); - fsm_event(ADDRESSED_WRITE); - break; - - case I2C_EVENT_SLAVE_TRANSMITTER_ADDRESS_MATCHED: - LOG('r', 0); - fsm_event(ADDRESSED_READ); - break; - - case I2C_EVENT_SLAVE_BYTE_RECEIVED: - LOG('R', 0); - fsm_event(BYTE_RECEIVED); - break; - - case I2C_EVENT_SLAVE_STOP_DETECTED: - LOG('s', 0); - fsm_event(STOP_RECEIVED); - break; - - case I2C_EVENT_SLAVE_BYTE_TRANSMITTING: - //case I2C_EVENT_SLAVE_BYTE_TRANSMITTED: - LOG('T', 0); - fsm_event(BYTE_SENDABLE); - break; - - case I2C_EVENT_SLAVE_ACK_FAILURE: - LOG('a', 0); - fsm_event(ACK_FAILED); - break; - - default: - idle_iterations++; -// if ((event) && (event != 0x00020000)) -// LOG('e', event); - break; - } - - /* if we have just received something, drop out and let the caller handle it */ - if (i2c_command_received) { - i2c_command_received = false; - return true; - } - - /* if we have done nothing recently, drop out and let the caller have a slice */ - if (idle_iterations > 1000) - return false; - } -} - -/** - * Update the FSM with an event - * - * @param event New event. - */ -static void -fsm_event(enum fsm_event event) -{ - // move to the next state - context.state = fsm[context.state].next_state[event]; - - LOG('f', context.state); - - // call the state entry handler - if (fsm[context.state].handler) { - fsm[context.state].handler(); - } -} - -static void -go_bad() -{ - LOG('B', 0); - fsm_event(AUTO); -} - -/** - * Wait for the master to address us. - * - */ -static void -go_wait_master() -{ - // We currently don't have a command byte. - // - context.command = '\0'; - - // The data pointer starts pointing to the start of the data buffer. - // - context.data_ptr = context.buffer; - - // The data count is either: - // - the size of the data buffer - // - some value less than or equal the size of the data buffer during a write or a read - // - context.data_count = context.buffer_size; - - // (re)enable the peripheral, clear the stop event flag in - // case we just finished receiving data - rCR1 |= I2C_CR1_PE; - - // clear the ACK failed flag in case we just finished sending data - rSR1 = ~I2C_SR1_AF; -} - -/** - * Prepare to receive a command byte. - * - */ -static void -go_wait_command() -{ - // NOP -} - -/** - * Command byte has been received, save it and prepare to handle the data. - * - */ -static void -go_receive_command() -{ - - // fetch the command byte - context.command = (uint8_t)rDR; - LOG('c', context.command); - -} - -/** - * Receive a data byte. - * - */ -static void -go_receive_data() -{ - uint8_t d; - - // fetch the byte - d = (uint8_t)rDR; - LOG('d', d); - - // if we have somewhere to put it, do so - if (context.data_count) { - *context.data_ptr++ = d; - context.data_count--; - } -} - -/** - * Handle a command once the host is done sending it to us. - * - */ -static void -go_handle_command() -{ - // presume we are happy with the command - context.status = 0; - - // make a note that the buffer contains a fresh command - i2c_command_received = true; - - // kick along to the next state - fsm_event(AUTO); -} - -/** - * Wait to be able to send the status byte. - * - */ -static void -go_wait_send() -{ - // NOP -} - -/** - * Send the status byte. - * - */ -static void -go_send_status() -{ - rDR = context.status; - LOG('?', context.status); -} - -/** - * Send a data or pad byte. - * - */ -static void -go_send_buffer() -{ - if (context.data_count) { - LOG('D', *context.data_ptr); - rDR = *(context.data_ptr++); - context.data_count--; - } else { - LOG('-', 0); - rDR = 0xff; - } -} - -/* cribbed directly from the NuttX master driver */ -static void -i2c_setclock(uint32_t frequency) -{ - uint16_t cr1; - uint16_t ccr; - uint16_t trise; - uint16_t freqmhz; - uint16_t speed; - - /* Disable the selected I2C peripheral to configure TRISE */ - - cr1 = rCR1; - rCR1 &= ~I2C_CR1_PE; - - /* Update timing and control registers */ - - freqmhz = (uint16_t)(STM32_PCLK1_FREQUENCY / 1000000); - ccr = 0; - - /* Configure speed in standard mode */ - - if (frequency <= 100000) { - /* Standard mode speed calculation */ - - speed = (uint16_t)(STM32_PCLK1_FREQUENCY / (frequency << 1)); - - /* The CCR fault must be >= 4 */ - - if (speed < 4) { - /* Set the minimum allowed value */ - - speed = 4; - } - ccr |= speed; - - /* Set Maximum Rise Time for standard mode */ - - trise = freqmhz + 1; - - /* Configure speed in fast mode */ - } else { /* (frequency <= 400000) */ - /* Fast mode speed calculation with Tlow/Thigh = 16/9 */ - -#ifdef CONFIG_I2C_DUTY16_9 - speed = (uint16_t)(STM32_PCLK1_FREQUENCY / (frequency * 25)); - - /* Set DUTY and fast speed bits */ - - ccr |= (I2C_CCR_DUTY|I2C_CCR_FS); -#else - /* Fast mode speed calculation with Tlow/Thigh = 2 */ - - speed = (uint16_t)(STM32_PCLK1_FREQUENCY / (frequency * 3)); - - /* Set fast speed bit */ - - ccr |= I2C_CCR_FS; -#endif - - /* Verify that the CCR speed value is nonzero */ - - if (speed < 1) { - /* Set the minimum allowed value */ - - speed = 1; - } - ccr |= speed; - - /* Set Maximum Rise Time for fast mode */ - - trise = (uint16_t)(((freqmhz * 300) / 1000) + 1); - } - - /* Write the new values of the CCR and TRISE registers */ - - rCCR = ccr; - rTRISE = trise; - - /* Bit 14 of OAR1 must be configured and kept at 1 */ - - rOAR1 = I2C_OAR1_ONE); - - /* Re-enable the peripheral (or not) */ - - rCR1 = cr1; -} diff --git a/src/drivers/boards/px4iov2/module.mk b/src/drivers/boards/px4iov2/module.mk new file mode 100644 index 000000000..85f94e8be --- /dev/null +++ b/src/drivers/boards/px4iov2/module.mk @@ -0,0 +1,6 @@ +# +# Board-specific startup code for the PX4IOv2 +# + +SRCS = px4iov2_init.c \ + px4iov2_pwm_servo.c diff --git a/src/drivers/boards/px4iov2/px4iov2_init.c b/src/drivers/boards/px4iov2/px4iov2_init.c new file mode 100644 index 000000000..09469d7e8 --- /dev/null +++ b/src/drivers/boards/px4iov2/px4iov2_init.c @@ -0,0 +1,171 @@ +/**************************************************************************** + * + * Copyright (C) 2012 PX4 Development Team. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name PX4 nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************/ + +/** + * @file px4iov2_init.c + * + * PX4FMU-specific early startup code. This file implements the + * nsh_archinitialize() function that is called early by nsh during startup. + * + * Code here is run before the rcS script is invoked; it should start required + * subsystems and perform board-specific initialisation. + */ + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include <nuttx/config.h> + +#include <stdbool.h> +#include <stdio.h> +#include <debug.h> +#include <errno.h> + +#include <nuttx/arch.h> + +#include "stm32_internal.h" +#include "px4iov2_internal.h" + +#include <arch/board/board.h> + +/**************************************************************************** + * Pre-Processor Definitions + ****************************************************************************/ + +/* Configuration ************************************************************/ + +/* Debug ********************************************************************/ + +#ifdef CONFIG_CPP_HAVE_VARARGS +# ifdef CONFIG_DEBUG +# define message(...) lowsyslog(__VA_ARGS__) +# else +# define message(...) printf(__VA_ARGS__) +# endif +#else +# ifdef CONFIG_DEBUG +# define message lowsyslog +# else +# define message printf +# endif +#endif + +/**************************************************************************** + * Protected Functions + ****************************************************************************/ + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/************************************************************************************ + * Name: stm32_boardinitialize + * + * Description: + * All STM32 architectures must provide the following entry point. This entry point + * is called early in the intitialization -- after all memory has been configured + * and mapped but before any devices have been initialized. + * + ************************************************************************************/ + +__EXPORT void stm32_boardinitialize(void) +{ + + /* configure GPIOs */ + + /* turn off - all leds are active low */ + stm32_gpiowrite(GPIO_LED1, true); + stm32_gpiowrite(GPIO_LED2, true); + stm32_gpiowrite(GPIO_LED3, true); + stm32_configgpio(GPIO_LED1); + stm32_configgpio(GPIO_LED2); + stm32_configgpio(GPIO_LED3); + + + stm32_configgpio(GPIO_BTN_SAFETY); + + /* spektrum power enable is active high - disable it by default */ + stm32_gpiowrite(GPIO_SPEKTRUM_PWR_EN, false); + stm32_configgpio(GPIO_SPEKTRUM_PWR_EN); + + /* servo power enable is active low, and has a pull down resistor + * to keep it low during boot (since it may power the whole board.) + */ + stm32_gpiowrite(GPIO_SERVO_PWR_EN, false); + stm32_configgpio(GPIO_SERVO_PWR_EN); + + stm32_configgpio(GPIO_SERVO_FAULT_DETECT); + + stm32_configgpio(GPIO_TIM_RSSI); /* xxx alternate function */ + stm32_configgpio(GPIO_ADC_RSSI); + stm32_configgpio(GPIO_ADC_VSERVO); + + stm32_configgpio(GPIO_SBUS_INPUT); /* xxx alternate function */ + + stm32_gpiowrite(GPIO_SBUS_OUTPUT, false); + stm32_configgpio(GPIO_SBUS_OUTPUT); + + /* sbus output enable is active low - disable it by default */ + stm32_gpiowrite(GPIO_SBUS_OENABLE, true); + stm32_configgpio(GPIO_SBUS_OENABLE); + + + stm32_configgpio(GPIO_PPM); /* xxx alternate function */ + + stm32_gpiowrite(GPIO_PWM1, false); + stm32_configgpio(GPIO_PWM1); + + stm32_gpiowrite(GPIO_PWM2, false); + stm32_configgpio(GPIO_PWM2); + + stm32_gpiowrite(GPIO_PWM3, false); + stm32_configgpio(GPIO_PWM3); + + stm32_gpiowrite(GPIO_PWM4, false); + stm32_configgpio(GPIO_PWM4); + + stm32_gpiowrite(GPIO_PWM5, false); + stm32_configgpio(GPIO_PWM5); + + stm32_gpiowrite(GPIO_PWM6, false); + stm32_configgpio(GPIO_PWM6); + + stm32_gpiowrite(GPIO_PWM7, false); + stm32_configgpio(GPIO_PWM7); + + stm32_gpiowrite(GPIO_PWM8, false); + stm32_configgpio(GPIO_PWM8); + +// message("[boot] Successfully initialized px4iov2 gpios\n"); +} diff --git a/src/drivers/boards/px4iov2/px4iov2_internal.h b/src/drivers/boards/px4iov2/px4iov2_internal.h new file mode 100755 index 000000000..c4c592fe4 --- /dev/null +++ b/src/drivers/boards/px4iov2/px4iov2_internal.h @@ -0,0 +1,112 @@ +/**************************************************************************** + * + * Copyright (C) 2012 PX4 Development Team. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name PX4 nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************/ + +/** + * @file px4iov2_internal.h + * + * PX4IOV2 internal definitions + */ + +#pragma once + +/****************************************************************************** + * Included Files + ******************************************************************************/ + +#include <nuttx/config.h> +#include <nuttx/compiler.h> +#include <stdint.h> + +/* these headers are not C++ safe */ +#include <stm32_internal.h> + + +/****************************************************************************** + * Definitions + ******************************************************************************/ +/* Configuration **************************************************************/ + +/****************************************************************************** + * GPIOS + ******************************************************************************/ + +/* LEDS **********************************************************************/ + +#define GPIO_LED1 (GPIO_OUTPUT|GPIO_CNF_OUTPP|GPIO_MODE_50MHz|GPIO_OUTPUT_CLEAR|GPIO_PORTB|GPIO_PIN14) +#define GPIO_LED2 (GPIO_OUTPUT|GPIO_CNF_OUTPP|GPIO_MODE_50MHz|GPIO_OUTPUT_CLEAR|GPIO_PORTB|GPIO_PIN15) +#define GPIO_LED3 (GPIO_OUTPUT|GPIO_CNF_OUTPP|GPIO_MODE_50MHz|GPIO_OUTPUT_CLEAR|GPIO_PORTB|GPIO_PIN13) + +#define GPIO_LED_BLUE BOARD_GPIO_LED1 +#define GPIO_LED_AMBER BOARD_GPIO_LED2 +#define GPIO_LED_SAFETY BOARD_GPIO_LED3 + +/* Safety switch button *******************************************************/ + +#define GPIO_BTN_SAFETY (GPIO_INPUT|GPIO_CNF_INFLOAT|GPIO_MODE_INPUT|GPIO_PORTB|GPIO_PIN5) + +/* Power switch controls ******************************************************/ + +#define GPIO_SPEKTRUM_PWR_EN (GPIO_OUTPUT|GPIO_CNF_OUTPP|GPIO_MODE_50MHz|GPIO_OUTPUT_CLEAR|GPIO_PORTC|GPIO_PIN13) + +#define GPIO_SERVO_PWR_EN (GPIO_OUTPUT|GPIO_CNF_OUTPP|GPIO_MODE_50MHz|GPIO_OUTPUT_CLEAR|GPIO_PORTC|GPIO_PIN15) + +#define GPIO_SERVO_FAULT_DETECT (GPIO_INPUT|GPIO_CNF_INPULLUP|GPIO_MODE_INPUT|GPIO_PORTB|GPIO_PIN13) + + +/* Analog inputs **************************************************************/ + +#define GPIO_ADC_VSERVO (GPIO_INPUT|GPIO_CNF_ANALOGIN|GPIO_MODE_INPUT|GPIO_PORTA|GPIO_PIN4) +/* the same rssi signal goes to both an adc and a timer input */ +#define GPIO_ADC_RSSI (GPIO_INPUT|GPIO_CNF_ANALOGIN|GPIO_MODE_INPUT|GPIO_PORTA|GPIO_PIN5) +/* floating pin */ +#define GPIO_TIM_RSSI (GPIO_INPUT|GPIO_CNF_INFLOAT|GPIO_MODE_INPUT|GPIO_PORTA|GPIO_PIN12) + +/* PWM pins **************************************************************/ + +#define GPIO_PPM (GPIO_INPUT|GPIO_CNF_INFLOAT|GPIO_MODE_INPUT|GPIO_PORTA|GPIO_PIN8) + +#define GPIO_PWM1 (GPIO_OUTPUT|GPIO_CNF_OUTPP|GPIO_MODE_50MHz|GPIO_OUTPUT_CLEAR|GPIO_PORTA|GPIO_PIN0) +#define GPIO_PWM2 (GPIO_OUTPUT|GPIO_CNF_OUTPP|GPIO_MODE_50MHz|GPIO_OUTPUT_CLEAR|GPIO_PORTA|GPIO_PIN1) +#define GPIO_PWM3 (GPIO_OUTPUT|GPIO_CNF_OUTPP|GPIO_MODE_50MHz|GPIO_OUTPUT_CLEAR|GPIO_PORTB|GPIO_PIN8) +#define GPIO_PWM4 (GPIO_OUTPUT|GPIO_CNF_OUTPP|GPIO_MODE_50MHz|GPIO_OUTPUT_CLEAR|GPIO_PORTB|GPIO_PIN9) +#define GPIO_PWM5 (GPIO_OUTPUT|GPIO_CNF_OUTPP|GPIO_MODE_50MHz|GPIO_OUTPUT_CLEAR|GPIO_PORTA|GPIO_PIN6) +#define GPIO_PWM6 (GPIO_OUTPUT|GPIO_CNF_OUTPP|GPIO_MODE_50MHz|GPIO_OUTPUT_CLEAR|GPIO_PORTA|GPIO_PIN7) +#define GPIO_PWM7 (GPIO_OUTPUT|GPIO_CNF_OUTPP|GPIO_MODE_50MHz|GPIO_OUTPUT_CLEAR|GPIO_PORTB|GPIO_PIN0) +#define GPIO_PWM8 (GPIO_OUTPUT|GPIO_CNF_OUTPP|GPIO_MODE_50MHz|GPIO_OUTPUT_CLEAR|GPIO_PORTB|GPIO_PIN1) + +/* SBUS pins *************************************************************/ + +#define GPIO_SBUS_INPUT (GPIO_INPUT|GPIO_CNF_INFLOAT|GPIO_MODE_INPUT|GPIO_PORTB|GPIO_PIN11) +#define GPIO_SBUS_OUTPUT (GPIO_OUTPUT|GPIO_CNF_OUTPP|GPIO_MODE_50MHz|GPIO_OUTPUT_CLEAR|GPIO_PORTB|GPIO_PIN10) +#define GPIO_SBUS_OENABLE (GPIO_OUTPUT|GPIO_CNF_OUTPP|GPIO_MODE_50MHz|GPIO_OUTPUT_CLEAR|GPIO_PORTB|GPIO_PIN4) + diff --git a/src/drivers/boards/px4iov2/px4iov2_pwm_servo.c b/src/drivers/boards/px4iov2/px4iov2_pwm_servo.c new file mode 100644 index 000000000..5e1aafa49 --- /dev/null +++ b/src/drivers/boards/px4iov2/px4iov2_pwm_servo.c @@ -0,0 +1,123 @@ +/**************************************************************************** + * + * Copyright (C) 2012 PX4 Development Team. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name PX4 nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************/ + +/* + * @file px4iov2_pwm_servo.c + * + * Configuration data for the stm32 pwm_servo driver. + * + * Note that these arrays must always be fully-sized. + */ + +#include <stdint.h> + +#include <drivers/stm32/drv_pwm_servo.h> + +#include <arch/board/board.h> +#include <drivers/drv_pwm_output.h> + +#include <stm32_internal.h> +#include <stm32_gpio.h> +#include <stm32_tim.h> + +__EXPORT const struct pwm_servo_timer pwm_timers[PWM_SERVO_MAX_TIMERS] = { + { + .base = STM32_TIM2_BASE, + .clock_register = STM32_RCC_APB1ENR, + .clock_bit = RCC_APB1ENR_TIM2EN, + .clock_freq = STM32_APB1_TIM2_CLKIN + }, + { + .base = STM32_TIM3_BASE, + .clock_register = STM32_RCC_APB1ENR, + .clock_bit = RCC_APB1ENR_TIM3EN, + .clock_freq = STM32_APB1_TIM3_CLKIN + }, + { + .base = STM32_TIM4_BASE, + .clock_register = STM32_RCC_APB1ENR, + .clock_bit = RCC_APB1ENR_TIM4EN, + .clock_freq = STM32_APB1_TIM4_CLKIN + } +}; + +__EXPORT const struct pwm_servo_channel pwm_channels[PWM_SERVO_MAX_CHANNELS] = { + { + .gpio = GPIO_TIM2_CH1OUT, + .timer_index = 0, + .timer_channel = 1, + .default_value = 1000, + }, + { + .gpio = GPIO_TIM2_CH2OUT, + .timer_index = 0, + .timer_channel = 2, + .default_value = 1000, + }, + { + .gpio = GPIO_TIM4_CH3OUT, + .timer_index = 2, + .timer_channel = 3, + .default_value = 1000, + }, + { + .gpio = GPIO_TIM4_CH4OUT, + .timer_index = 2, + .timer_channel = 4, + .default_value = 1000, + }, + { + .gpio = GPIO_TIM3_CH1OUT, + .timer_index = 1, + .timer_channel = 1, + .default_value = 1000, + }, + { + .gpio = GPIO_TIM3_CH2OUT, + .timer_index = 1, + .timer_channel = 2, + .default_value = 1000, + }, + { + .gpio = GPIO_TIM3_CH3OUT, + .timer_index = 1, + .timer_channel = 3, + .default_value = 1000, + }, + { + .gpio = GPIO_TIM3_CH4OUT, + .timer_index = 1, + .timer_channel = 4, + .default_value = 1000, + } +}; |