diff options
Diffstat (limited to 'src/modules/systemlib')
-rw-r--r-- | src/modules/systemlib/mcu_version.c | 109 | ||||
-rw-r--r-- | src/modules/systemlib/mcu_version.h | 52 | ||||
-rw-r--r-- | src/modules/systemlib/module.mk | 4 |
3 files changed, 163 insertions, 2 deletions
diff --git a/src/modules/systemlib/mcu_version.c b/src/modules/systemlib/mcu_version.c new file mode 100644 index 000000000..4bcf95784 --- /dev/null +++ b/src/modules/systemlib/mcu_version.c @@ -0,0 +1,109 @@ +/**************************************************************************** + * + * Copyright (c) 2014 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 mcu_version.c + * + * Read out the microcontroller version from the board + * + * @author Lorenz Meier <lorenz@px4.io> + * + */ + +#include "mcu_version.h" + +#include <nuttx/config.h> + +#ifdef CONFIG_ARCH_CHIP_STM32 +#include <up_arch.h> + +#define DBGMCU_IDCODE 0xE0042000 + +#define STM32F40x_41x 0x413 +#define STM32F42x_43x 0x419 + +#define REVID_MASK 0xFFFF0000 +#define DEVID_MASK 0xFFF + +#endif + + + +int mcu_version(char* rev, char** revstr) +{ +#ifdef CONFIG_ARCH_CHIP_STM32 + uint32_t abc = getreg32(DBGMCU_IDCODE); + + int32_t chip_version = abc & DEVID_MASK; + enum MCU_REV revid = (abc & REVID_MASK) >> 16; + + switch (chip_version) { + case STM32F40x_41x: + *revstr = "STM32F40x"; + break; + case STM32F42x_43x: + *revstr = "STM32F42x"; + break; + default: + *revstr = "STM32F???"; + break; + } + + switch (revid) { + + case MCU_REV_STM32F4_REV_A: + *rev = 'A'; + break; + case MCU_REV_STM32F4_REV_Z: + *rev = 'Z'; + break; + case MCU_REV_STM32F4_REV_Y: + *rev = 'Y'; + break; + case MCU_REV_STM32F4_REV_1: + *rev = '1'; + break; + case MCU_REV_STM32F4_REV_3: + *rev = '3'; + break; + default: + *rev = '?'; + revid = -1; + break; + } + + return revid; +#else + return -1; +#endif +} diff --git a/src/modules/systemlib/mcu_version.h b/src/modules/systemlib/mcu_version.h new file mode 100644 index 000000000..1b3d0aba9 --- /dev/null +++ b/src/modules/systemlib/mcu_version.h @@ -0,0 +1,52 @@ +/**************************************************************************** + * + * Copyright (c) 2014 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. + * + ****************************************************************************/ + +#pragma once + +/* magic numbers from reference manual */ +enum MCU_REV { + MCU_REV_STM32F4_REV_A = 0x1000, + MCU_REV_STM32F4_REV_Z = 0x1001, + MCU_REV_STM32F4_REV_Y = 0x1003, + MCU_REV_STM32F4_REV_1 = 0x1007, + MCU_REV_STM32F4_REV_3 = 0x2001 +}; + +/** + * Reports the microcontroller version of the main CPU. + * + * @param rev The silicon revision character + * @param revstr The full chip name string + * @return The silicon revision / version number as integer + */ +__EXPORT int mcu_version(char* rev, char** revstr); diff --git a/src/modules/systemlib/module.mk b/src/modules/systemlib/module.mk index 147903aa0..233023e25 100644 --- a/src/modules/systemlib/module.mk +++ b/src/modules/systemlib/module.mk @@ -53,5 +53,5 @@ SRCS = err.c \ otp.c \ board_serial.c \ pwm_limit/pwm_limit.c \ - circuit_breaker.c - + circuit_breaker.c \ + mcu_version.c |