diff options
Diffstat (limited to 'ChibiOS_16.1.5/community/testhal/STM32/STM32F3xx/TIMCAP/main.c')
| -rw-r--r-- | ChibiOS_16.1.5/community/testhal/STM32/STM32F3xx/TIMCAP/main.c | 194 |
1 files changed, 0 insertions, 194 deletions
diff --git a/ChibiOS_16.1.5/community/testhal/STM32/STM32F3xx/TIMCAP/main.c b/ChibiOS_16.1.5/community/testhal/STM32/STM32F3xx/TIMCAP/main.c deleted file mode 100644 index dd91924..0000000 --- a/ChibiOS_16.1.5/community/testhal/STM32/STM32F3xx/TIMCAP/main.c +++ /dev/null @@ -1,194 +0,0 @@ -/*
- ChibiOS - Copyright (C) 2006..2015 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.
-*/
-
-#include "ch.h"
-#include "hal.h"
-
-
-static uint8_t TIM3CC1CaptureNumber, TIM3CC2CaptureNumber;
-static uint16_t TIM3CC1ReadValue1, TIM3CC1ReadValue2;
-static uint16_t TIM3CC2ReadValue1, TIM3CC2ReadValue2;
-static bool TIM3CC1UD, TIM3CC2UD;
-
-static uint16_t freq1, freq2;
-
-
-void reEnableInputCapture(TIMCAPDriver *timcapp)
-{
-
- if ((timcapp->tim->DIER & TIM_DIER_CC1IE) == 0)
- {
- TIM3CC1CaptureNumber = 0;
- TIM3CC1UD = false;
- timcapp->tim->DIER |= TIM_DIER_CC1IE;
- }
-
- if ((timcapp->tim->DIER & TIM_DIER_CC2IE) == 0)
- {
- TIM3CC2CaptureNumber = 0;
- TIM3CC2UD = false;
- timcapp->tim->DIER |= TIM_DIER_CC2IE;
- }
-
-}
-
-void captureOverflowCb(TIMCAPDriver *timcapp)
-{
- if (TIM3CC1UD && (timcapp->tim->DIER & TIM_DIER_CC1IE))
- {
- timcapp->tim->DIER &= ~TIM_DIER_CC1IE;
- freq1 = 0;
- }
-
- if (TIM3CC2UD && (timcapp->tim->DIER & TIM_DIER_CC2IE))
- {
- timcapp->tim->DIER &= ~TIM_DIER_CC2IE;
- freq2 = 0;
- }
-
- TIM3CC1UD = true;
- TIM3CC2UD = true;
-}
-
-void capture1Cb(TIMCAPDriver *timcapp)
-{
- if(TIM3CC1CaptureNumber == 0)
- {
- /* Get the Input Capture value */
- TIM3CC1ReadValue1 = timcapp->tim->CCR[0];
- TIM3CC1CaptureNumber = 1;
- TIM3CC1UD = false;
- }
- else if(TIM3CC1CaptureNumber == 1)
- {
- uint32_t Capture;
- /* Get the Input Capture value */
- TIM3CC1ReadValue2 = timcapp->tim->CCR[0];
- TIM3CC1UD = false;
-
- /* Capture computation */
- if (TIM3CC1ReadValue2 > TIM3CC1ReadValue1)
- {
- Capture = ((uint32_t)TIM3CC1ReadValue2 - (uint32_t)TIM3CC1ReadValue1);
- }
- else
- {
- Capture = (((uint32_t)TIM3CC1ReadValue2 + 0x10000) - (uint32_t)TIM3CC1ReadValue1);
- }
-
- /* Frequency computation */
- freq1 = (timcapp->config->frequency / Capture);
-
- TIM3CC1ReadValue1 = TIM3CC1ReadValue2;
- TIM3CC1CaptureNumber = 0;
-
- /* Disable CC1 interrupt */
- timcapp->tim->DIER &= ~TIM_DIER_CC1IE;
- }
-}
-
-void capture2Cb(TIMCAPDriver *timcapp)
-{
- if(TIM3CC2CaptureNumber == 0)
- {
- /* Get the Input Capture value */
- TIM3CC2ReadValue1 = timcapp->tim->CCR[1];
- TIM3CC2CaptureNumber = 1;
- TIM3CC2UD = false;
- }
- else if(TIM3CC2CaptureNumber == 1)
- {
- uint32_t Capture;
- /* Get the Input Capture value */
- TIM3CC2ReadValue2 = timcapp->tim->CCR[1];
- TIM3CC2UD = false;
-
- /* Capture computation */
- if (TIM3CC2ReadValue2 > TIM3CC2ReadValue1)
- {
- Capture = ((uint32_t)TIM3CC2ReadValue2 - (uint32_t)TIM3CC2ReadValue1);
- }
- else
- {
- Capture = (((uint32_t)TIM3CC2ReadValue2 + 0x10000) - (uint32_t)TIM3CC2ReadValue1);
- }
-
- /* Frequency computation */
- freq2 = (timcapp->config->frequency / Capture);
-
- TIM3CC2ReadValue1 = TIM3CC2ReadValue2;
- TIM3CC2CaptureNumber = 0;
-
- /* Disable CC2 interrupt */
- timcapp->tim->DIER &= ~TIM_DIER_CC2IE;
- }
-}
-
-TIMCAPConfig tc_conf = {
- {TIMCAP_INPUT_ACTIVE_HIGH,
- TIMCAP_INPUT_ACTIVE_HIGH,
- TIMCAP_INPUT_DISABLED,
- TIMCAP_INPUT_DISABLED},
- 200000, /* TIM3 Runs at 36Mhz max. (1/200000)*65536 = 0.32s Max, 3.12Hz Min */
- {capture1Cb, capture2Cb, NULL, NULL},
- captureOverflowCb,
- 0,
- 0
-};
-
-THD_WORKING_AREA(waThreadTimcap, 256);
-static THD_FUNCTION(ThreadTimcap, arg)
-{
- (void)arg;
-
- while (TRUE)
- {
-
- reEnableInputCapture(&TIMCAPD3);
- chThdSleepMilliseconds(200);
- }
-
- return;
-}
-
-/*
- * Application entry point.
- */
-int main(void) {
-
- /*
- * System initializations.
- * - HAL initialization, this also initializes the configured device drivers
- * and performs the board-specific initializations.
- * - Kernel initialization, the main() function becomes a thread and the
- * RTOS is active.
- */
- halInit();
- chSysInit();
-
- timcapStart(&TIMCAPD3, &tc_conf);
-
- chThdCreateStatic(waThreadTimcap, sizeof(waThreadTimcap), NORMALPRIO, ThreadTimcap, NULL);
-
- /*
- * Normal main() thread activity, it resets the watchdog.
- */
- while (true) {
- palToggleLine(LINE_LED4_BLUE);
- chThdSleepMilliseconds(500);
- }
- return 0;
-}
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