diff options
author | walkerstop <walkerstop@gmail.com> | 2018-05-01 01:00:33 -0700 |
---|---|---|
committer | GitHub <noreply@github.com> | 2018-05-01 01:00:33 -0700 |
commit | 40db44f540436398e0840544044154d13eee63b6 (patch) | |
tree | dad3f1f3b6ac3927484ee22002a947662a8a0173 /testhal/STM32/STM32F1xx/onewire/onewire_test.c | |
parent | 4e9f077fb10255dced1da4d5d2ad9f8ae41442a2 (diff) | |
parent | d4d384557df0e8e7a8071553448b0c42849f98c0 (diff) | |
download | ChibiOS-Contrib-40db44f540436398e0840544044154d13eee63b6.tar.gz ChibiOS-Contrib-40db44f540436398e0840544044154d13eee63b6.tar.bz2 ChibiOS-Contrib-40db44f540436398e0840544044154d13eee63b6.zip |
Merge branch 'master' into master
Diffstat (limited to 'testhal/STM32/STM32F1xx/onewire/onewire_test.c')
-rw-r--r-- | testhal/STM32/STM32F1xx/onewire/onewire_test.c | 257 |
1 files changed, 0 insertions, 257 deletions
diff --git a/testhal/STM32/STM32F1xx/onewire/onewire_test.c b/testhal/STM32/STM32F1xx/onewire/onewire_test.c deleted file mode 100644 index be20dbc..0000000 --- a/testhal/STM32/STM32F1xx/onewire/onewire_test.c +++ /dev/null @@ -1,257 +0,0 @@ -/* - ChibiOS/RT - Copyright (C) 2014 Uladzimir Pylinsky aka barthess - - Licensed under the Apache License, Version 2.0 (the "License"); - you may not use this file except in compliance with the License. - You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - - Unless required by applicable law or agreed to in writing, software - distributed under the License is distributed on an "AS IS" BASIS, - WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - See the License for the specific language governing permissions and - limitations under the License. -*/ - -#include <string.h> - -#include "hal.h" - -/* - ****************************************************************************** - * DEFINES - ****************************************************************************** - */ - -#if defined(BOARD_ST_STM32F4_DISCOVERY) || \ - defined(BOARD_ST_STM32F0_DISCOVERY) || \ - defined(BOARD_ST_STM32F0308_DISCOVERY) - #if ONEWIRE_USE_STRONG_PULLUP - #error "This board has not enough voltage for this feature" - #endif -#endif - -#if defined(BOARD_ST_STM32F0308_DISCOVERY) - #define ONEWIRE_PORT GPIOB - #define ONEWIRE_PIN GPIOB_PIN0 - #define ONEWIRE_PAD_MODE_ACTIVE (PAL_MODE_ALTERNATE(1) | PAL_STM32_OTYPE_OPENDRAIN) - #define search_led_off() (palClearPad(GPIOC, GPIOC_LED4)) - #define search_led_on() (palSetPad(GPIOC, GPIOC_LED4)) - #define ONEWIRE_MASTER_CHANNEL 2 - #define ONEWIRE_SAMPLE_CHANNEL 3 -#elif defined(BOARD_ST_STM32F4_DISCOVERY) - #define ONEWIRE_PORT GPIOB - #define ONEWIRE_PIN GPIOB_PIN0 - #define ONEWIRE_PAD_MODE_ACTIVE (PAL_MODE_ALTERNATE(2) | PAL_STM32_OTYPE_OPENDRAIN) - #define search_led_off() (palClearPad(GPIOD, GPIOD_LED4)) - #define search_led_on() (palSetPad(GPIOD, GPIOD_LED4)) - #define ONEWIRE_MASTER_CHANNEL 2 - #define ONEWIRE_SAMPLE_CHANNEL 3 -#elif defined(BOARD_OLIMEX_STM32_103STK) - #define ONEWIRE_PORT GPIOB - #define ONEWIRE_PIN 0 - #define ONEWIRE_PAD_MODE_IDLE PAL_MODE_INPUT - #define ONEWIRE_PAD_MODE_ACTIVE PAL_MODE_STM32_ALTERNATE_OPENDRAIN - #define search_led_on() (palClearPad(GPIOC, GPIOC_LED)) - #define search_led_off() (palSetPad(GPIOC, GPIOC_LED)) - #define ONEWIRE_MASTER_CHANNEL 2 - #define ONEWIRE_SAMPLE_CHANNEL 3 -#else - #define ONEWIRE_PORT GPIOB - #define ONEWIRE_PIN GPIOB_TACHOMETER - #include "pads.h" - #define ONEWIRE_PAD_MODE_ACTIVE (PAL_MODE_ALTERNATE(2) | PAL_STM32_OTYPE_OPENDRAIN) - #define search_led_on red_led_on - #define search_led_off red_led_off - #define ONEWIRE_MASTER_CHANNEL 2 - #define ONEWIRE_SAMPLE_CHANNEL 3 -#endif - -/* - ****************************************************************************** - * EXTERNS - ****************************************************************************** - */ - -/* - ****************************************************************************** - * PROTOTYPES - ****************************************************************************** - */ -/* - * Forward declarations - */ -#if ONEWIRE_USE_STRONG_PULLUP -static void strong_pullup_assert(void); -static void strong_pullup_release(void); -#endif - -/* - ****************************************************************************** - * GLOBAL VARIABLES - ****************************************************************************** - */ - -static uint8_t testbuf[12]; - -/* stores 3 temperature values in millicelsius */ -static int32_t temperature[3]; - -/* - * Config for underlied PWM driver. - * Note! It is NOT constant because 1-wire driver needs to change them - * during functioning. - */ -static PWMConfig pwm_cfg = { - 0, - 0, - NULL, - { - {PWM_OUTPUT_DISABLED, NULL}, - {PWM_OUTPUT_DISABLED, NULL}, - {PWM_OUTPUT_DISABLED, NULL}, - {PWM_OUTPUT_DISABLED, NULL} - }, - 0, -#if STM32_PWM_USE_ADVANCED - 0, -#endif - 0 -}; - -/* - * - */ -static const onewireConfig ow_cfg = { - &PWMD3, - &pwm_cfg, - PWM_OUTPUT_ACTIVE_LOW, - ONEWIRE_MASTER_CHANNEL, - ONEWIRE_SAMPLE_CHANNEL, - ONEWIRE_PORT, - ONEWIRE_PIN, -#if defined(STM32F1XX) - ONEWIRE_PAD_MODE_IDLE, -#endif - ONEWIRE_PAD_MODE_ACTIVE, -#if ONEWIRE_USE_STRONG_PULLUP - strong_pullup_assert, - strong_pullup_release -#endif -}; - -/* - ****************************************************************************** - ****************************************************************************** - * LOCAL FUNCTIONS - ****************************************************************************** - ****************************************************************************** - */ - -#if ONEWIRE_USE_STRONG_PULLUP -/** - * - */ -static void strong_pullup_assert(void) { - palSetPadMode(ONEWIRE_PORT, ONEWIRE_PIN, PAL_MODE_STM32_ALTERNATE_PUSHPULL); -} - -/** - * - */ -static void strong_pullup_release(void) { - palSetPadMode(ONEWIRE_PORT, ONEWIRE_PIN, PAL_MODE_STM32_ALTERNATE_OPENDRAIN); -} -#endif /* ONEWIRE_USE_STRONG_PULLUP */ - -/* - ****************************************************************************** - * EXPORTED FUNCTIONS - ****************************************************************************** - */ - -/** - * - */ -void onewireTest(void) { - - int16_t tmp; - uint8_t rombuf[24]; - size_t devices_on_bus = 0; - size_t i = 0; - bool presence; - - onewireObjectInit(&OWD1); - onewireStart(&OWD1, &ow_cfg); - -#if ONEWIRE_SYNTH_SEARCH_TEST - synthSearchRomTest(&OWD1); -#endif - - for (i=0; i<3; i++) - temperature[i] = -666; - - while (true) { - if (true == onewireReset(&OWD1)){ - - memset(rombuf, 0x55, sizeof(rombuf)); - search_led_on(); - devices_on_bus = onewireSearchRom(&OWD1, rombuf, 3); - search_led_off(); - osalDbgCheck(devices_on_bus <= 3); - osalDbgCheck(devices_on_bus > 0); - - if (1 == devices_on_bus){ - /* test read rom command */ - presence = onewireReset(&OWD1); - osalDbgCheck(true == presence); - testbuf[0] = ONEWIRE_CMD_READ_ROM; - onewireWrite(&OWD1, testbuf, 1, 0); - onewireRead(&OWD1, testbuf, 8); - osalDbgCheck(testbuf[7] == onewireCRC(testbuf, 7)); - osalDbgCheck(0 == memcmp(rombuf, testbuf, 8)); - } - - /* start temperature measurement on all connected devices at once */ - presence = onewireReset(&OWD1); - osalDbgCheck(true == presence); - testbuf[0] = ONEWIRE_CMD_SKIP_ROM; - testbuf[1] = ONEWIRE_CMD_CONVERT_TEMP; - -#if ONEWIRE_USE_STRONG_PULLUP - onewireWrite(&OWD1, testbuf, 2, MS2ST(750)); -#else - onewireWrite(&OWD1, testbuf, 2, 0); - /* poll bus waiting ready signal from all connected devices */ - testbuf[0] = 0; - while (testbuf[0] == 0){ - osalThreadSleepMilliseconds(50); - onewireRead(&OWD1, testbuf, 1); - } -#endif - - for (i=0; i<devices_on_bus; i++) { - /* read temperature device by device from their scratchpads */ - presence = onewireReset(&OWD1); - osalDbgCheck(true == presence); - - testbuf[0] = ONEWIRE_CMD_MATCH_ROM; - memcpy(&testbuf[1], &rombuf[i*8], 8); - testbuf[9] = ONEWIRE_CMD_READ_SCRATCHPAD; - onewireWrite(&OWD1, testbuf, 10, 0); - - onewireRead(&OWD1, testbuf, 9); - osalDbgCheck(testbuf[8] == onewireCRC(testbuf, 8)); - memcpy(&tmp, &testbuf, 2); - temperature[i] = ((int32_t)tmp * 625) / 10; - } - } - else { - osalSysHalt("No devices found"); - } - osalThreadSleep(1); /* enforce ChibiOS's stack overflow check */ - } - - onewireStop(&OWD1); -} |