Diff: main_original.cpp.txt

Revision:

0:e3161ef4ffd9

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main_original.cpp.txt	Mon Sep 16 10:17:12 2019 +0000
@@ -0,0 +1,81 @@
+
+#include "mbed.h"
+#include "Encoder.h"
+ 
+//STM mbed bug: these macros are MISSING from stm32f3xx_hal_tim.h
+#ifdef TARGET_STM32F3
+#define __HAL_TIM_GET_COUNTER(__HANDLE__) ((__HANDLE__)->Instance->CNT)
+#define __HAL_TIM_IS_TIM_COUNTING_DOWN(__HANDLE__)            (((__HANDLE__)->Instance->CR1 &(TIM_CR1_DIR)) == (TIM_CR1_DIR))
+#endif
+ 
+TIM_Encoder_InitTypeDef encoder1, encoder2, encoder3, encoder4;
+TIM_HandleTypeDef  timer1,  timer2,  timer3,  timer4;
+ 
+int main()
+{
+    //examples
+    
+    //counting on A-input only, 2 ticks per cycle, rolls over at 100
+    //EncoderInit(&encoder1, &timer1, TIM1, 99, TIM_ENCODERMODE_TI1);
+ 
+    //counting on both A&B inputs, 4 ticks per cycle, full 32-bit count
+    EncoderInit(&encoder2, &timer2, TIM2, 0xffffffff, TIM_ENCODERMODE_TI12);
+ 
+    //counting on B-input only, 2 ticks per cycle, full 16-bit count
+    //EncoderInit(&encoder3, &timer3, TIM3, 0xffff, TIM_ENCODERMODE_TI2);
+    
+    //counting on both A&B inputs, 4 ticks per cycle, full 16-bit count
+    //EncoderInit(&encoder4, &timer4, TIM4, 0xffff, TIM_ENCODERMODE_TI12);
+    
+    //TIM5 is used by mbed for systick
+    //EncoderInit(encoder2, timer2, TIM5, 0xffffffff, TIM_ENCODERMODE_TI12);
+    
+    printf("STM HAL encoder demo\n\r");
+    int i = 0;
+    while(1) {
+        uint16_t count1=0, count3=0, count4=0;
+        uint32_t count2=0;
+        int8_t dir1, dir2, dir3, dir4;
+ 
+        
+        //OK 401 411 446 TICKER 030
+        //count1=TIM1->CNT;
+        //dir1=TIM1->CR1&TIM_CR1_DIR;
+        //count1=__HAL_TIM_GET_COUNTER(&timer1);
+        //dir1 = __HAL_TIM_IS_TIM_COUNTING_DOWN(&timer1);
+ 
+        //OK 401 411 446 NOK 030
+        //count2=TIM2->CNT;
+        //dir2=TIM2->CR1&TIM_CR1_DIR;
+        count2=__HAL_TIM_GET_COUNTER(&timer2);
+        dir2 = __HAL_TIM_IS_TIM_COUNTING_DOWN(&timer2);
+ 
+        //OK 401 411 446 030
+        //count3=TIM3->CNT;
+        //dir3=TIM3->CR1&TIM_CR1_DIR;
+        //count3=__HAL_TIM_GET_COUNTER(&timer3);
+        //dir3 = __HAL_TIM_IS_TIM_COUNTING_DOWN(&timer3);
+ 
+        //OK 401 411 446 N/A 030
+        //count4=TIM4->CNT;
+        //dir4=TIM4->CR1&TIM_CR1_DIR;
+        //count4=__HAL_TIM_GET_COUNTER(&timer4);
+        //dir4 = __HAL_TIM_IS_TIM_COUNTING_DOWN(&timer4);
+ 
+        //TICKER 401 411 446 N/A 030
+//        count5=__HAL_TIM_GET_COUNTER(&timer5);
+//        dir5 = __HAL_TIM_IS_TIM_COUNTING_DOWN(&timer5);
+        
+        //printf("%d%s %d%s %d%s %d%s\r\n", count1, dir1==0 ? "+":"-",
+        //                                     count2, dir2==0 ? "+":"-",
+        //                                     count3, dir3==0 ? "+":"-",
+        //                                     count4, dir4==0 ? "+":"-" );
+        float pulsesperrevolution = 1024*4;
+        float fullrotations = (count2/pulsesperrevolution);
+        printf("%f%s \r\n", fullrotations, dir2==0 ? "+":"-");
+        //printf("%d: %f%s \r\n", i++, (count2/pulsesperrevolution), dir2==0 ? "+":"-");
+        wait(0.1);
+        
+    }
+}
+ 
\ No newline at end of file