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author | Lorenz Meier <lm@inf.ethz.ch> | 2014-11-15 16:20:44 +0100 |
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committer | Lorenz Meier <lm@inf.ethz.ch> | 2014-11-15 16:20:44 +0100 |
commit | 00c7cc019c6f1bc23c8865d0d95403fe8deec029 (patch) | |
tree | a5883208640ca7facd1aafc3a1e85f1e7b413192 /src | |
parent | 24c97ebaff53108b2995a1c48bf75e7443b03bd4 (diff) | |
parent | 6d59df1a5f67a58b6881d4d8a466082b847a2e61 (diff) | |
download | px4-firmware-00c7cc019c6f1bc23c8865d0d95403fe8deec029.tar.gz px4-firmware-00c7cc019c6f1bc23c8865d0d95403fe8deec029.tar.bz2 px4-firmware-00c7cc019c6f1bc23c8865d0d95403fe8deec029.zip |
Optimize size of system lib
Diffstat (limited to 'src')
-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 | 3 | ||||
-rw-r--r-- | src/systemcmds/ver/ver.c | 90 |
4 files changed, 179 insertions, 75 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 5c4f2ec41..fe8b7e75a 100644 --- a/src/modules/systemlib/module.mk +++ b/src/modules/systemlib/module.mk @@ -53,6 +53,7 @@ SRCS = err.c \ otp.c \ board_serial.c \ pwm_limit/pwm_limit.c \ - circuit_breaker.c + circuit_breaker.c \ + mcu_version.c MAXOPTIMIZATION = -Os diff --git a/src/systemcmds/ver/ver.c b/src/systemcmds/ver/ver.c index b11b593c3..62a7a5b92 100644 --- a/src/systemcmds/ver/ver.c +++ b/src/systemcmds/ver/ver.c @@ -44,6 +44,7 @@ #include <string.h> #include <version/version.h> #include <systemlib/err.h> +#include <systemlib/mcu_version.h> // string constants for version commands static const char sz_ver_hw_str[] = "hw"; @@ -52,32 +53,8 @@ static const char sz_ver_git_str[] = "git"; static const char sz_ver_bdate_str[] = "bdate"; static const char sz_ver_gcc_str[] = "gcc"; static const char sz_ver_all_str[] = "all"; - -#ifdef CONFIG_ARCH_CHIP_STM32 -#include <up_arch.h> - static const char mcu_ver_str[] = "mcu"; -#define DBGMCU_IDCODE 0xE0042000 - -#define STM32F40x_41x 0x413 -#define STM32F42x_43x 0x419 - -#define REVID_MASK 0xFFFF0000 -#define DEVID_MASK 0xFFF - -/* magic numbers from reference manual */ -enum STM32F4_REV { - STM32F4_REV_A = 0x1000, - STM32F4_REV_Z = 0x1001, - STM32F4_REV_Y = 0x1003, - STM32F4_REV_1 = 0x1007, - STM32F4_REV_3 = 0x2001 -}; -#else -#error stm32 -#endif - static void usage(const char *reason) { if (reason != NULL) { @@ -132,63 +109,28 @@ int ver_main(int argc, char *argv[]) printf("GCC toolchain: %s\n", __VERSION__); ret = 0; -#ifdef CONFIG_ARCH_CHIP_STM32 + } else if (!strncmp(argv[1], mcu_ver_str, sizeof(mcu_ver_str))) { - uint32_t abc = getreg32(DBGMCU_IDCODE); - - uint32_t chip_version = abc & DEVID_MASK; - enum STM32F4_REV revid = (abc & REVID_MASK) >> 16; - - printf("CHIP TYPE: "); - - switch (revid) { - case STM32F40x_41x: - printf("STM32F40x"); - break; - case STM32F42x_43x: - printf("STM32F42x"); - break; - default: - printf("STM32F???"); - break; - } char rev; + char* revstr; - switch (chip_version) { - - case STM32F4_REV_A: - rev = 'A'; - break; - case STM32F4_REV_Z: - rev = 'Z'; - break; - case STM32F4_REV_Y: - rev = 'Y'; - break; - case STM32F4_REV_1: - rev = '1'; - break; - case STM32F4_REV_3: - rev = '3'; - break; - default: - rev = '?'; - break; - } + int chip_version = mcu_version(&rev, &revstr); + + if (chip_version < 0) { + printf("UNKNOWN MCU"); + ret = 1; - printf("\nHW REV: %c\n", rev); + } else { + printf("MCU: %s, rev. %c\n", revstr, rev); - if (rev < STM32F4_REV_3) { - printf("\n\nWARNING WARNING WARNING!\n" - "Revision %c has a silicon errata\n" - "on USB connectivity combined with\n" - "flash bank #2. This device can only\n" - "utilize a maximum of 1MB flash safely!\n" - "http://px4.io/help/errata\n", rev); + if (chip_version < MCU_REV_STM32F4_REV_3) { + printf("\n\nWARNING WARNING WARNING!\n" + "Revision %c has a silicon errata\n" + "This device can only utilize a maximum of 1MB flash safely!\n" + "http://px4.io/help/errata\n", rev); + } } - ret = 0; -#endif } else { errx(1, "unknown command.\n"); |