Diff: main.cpp

Revision:

0:1c8034b7f565

Child:

1:026846d05bb7

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Thu Sep 01 06:38:13 2016 +0000
@@ -0,0 +1,56 @@
+#include "mbed.h"
+#include "Encoder.h"
+#include "prime.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
+ 
+
+Serial pc(SERIAL_TX, SERIAL_RX);
+
+DigitalOut right_v(PC_7);
+
+int main()
+{
+    right_v = 1;
+
+    TIM_Encoder_InitTypeDef encoder1, encoder2;
+    TIM_HandleTypeDef  timer1,  timer2;
+
+
+    //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);
+
+    pc.printf("STM HAL encoder demo\n\r");
+    
+    while(1) {
+        uint16_t count1=0;
+        uint32_t count2=0;
+        int8_t dir1, dir2;
+ 
+        
+        //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);
+ 
+        move(10,10);
+        pc.printf("%d%s %d%s %d%s %d%s\r\n", count1, dir1==0 ? "+":"-",
+                                             count2, dir2==0 ? "+":"-");
+        wait(0.5);
+    }
+}