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author | gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2013-06-15 16:48:36 +0000 |
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committer | gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2013-06-15 16:48:36 +0000 |
commit | 9c9c52f753a9caf51189ad9e1293476f2384676b (patch) | |
tree | e53ea9f519e7e2fbdbab38e2c693daef5204cd88 /testhal/STM32F1xx/I2C/tmp75.c | |
parent | 7c68ef157d009f9932ac47ba21ba5d74e321623f (diff) | |
download | ChibiOS-9c9c52f753a9caf51189ad9e1293476f2384676b.tar.gz ChibiOS-9c9c52f753a9caf51189ad9e1293476f2384676b.tar.bz2 ChibiOS-9c9c52f753a9caf51189ad9e1293476f2384676b.zip |
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/branches/kernel_3_dev@5858 35acf78f-673a-0410-8e92-d51de3d6d3f4
Diffstat (limited to 'testhal/STM32F1xx/I2C/tmp75.c')
-rw-r--r-- | testhal/STM32F1xx/I2C/tmp75.c | 60 |
1 files changed, 0 insertions, 60 deletions
diff --git a/testhal/STM32F1xx/I2C/tmp75.c b/testhal/STM32F1xx/I2C/tmp75.c deleted file mode 100644 index 478c322fa..000000000 --- a/testhal/STM32F1xx/I2C/tmp75.c +++ /dev/null @@ -1,60 +0,0 @@ -/*
- ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
-
- 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.
-*/
-
-/**
- * TMP75 is most simple I2C device in our case. It is already useful with
- * default settings after powerup.
- * You only must read 2 sequential bytes from it.
- */
-
-#include <stdlib.h>
-
-#include "ch.h"
-#include "hal.h"
-
-#include "tmp75.h"
-
-
-/* input buffer */
-static uint8_t tmp75_rx_data[TMP75_RX_DEPTH];
-
-/* temperature value */
-static int16_t temperature = 0;
-
-static i2cflags_t errors = 0;
-
-#define tmp75_addr 0b1001000
-
-/* This is main function. */
-void request_temperature(void){
- int16_t t_int = 0, t_frac = 0;
- msg_t status = RDY_OK;
- systime_t tmo = MS2ST(4);
-
- i2cAcquireBus(&I2CD1);
- status = i2cMasterReceiveTimeout(&I2CD1, tmp75_addr, tmp75_rx_data, 2, tmo);
- i2cReleaseBus(&I2CD1);
-
- if (status != RDY_OK){
- errors = i2cGetErrors(&I2CD1);
- }
-
- t_int = tmp75_rx_data[0] * 100;
- t_frac = (tmp75_rx_data[1] * 100) >> 8;
- temperature = t_int + t_frac;
-}
-
-
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