ArmfulKST / Mbed 2 deprecated STM32L432PWM1

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Dependencies:   mbed

Files at this revision

API Documentation at this revision

Revision 0:18d54d648967, committed 2019-03-26

Comitter:
f3d
Date:
Tue Mar 26 12:37:18 2019 +0000
Commit message:
Simple single channel PWM for the STM32L432KC Nucleo board

Changed in this revision

main.cpp Show annotated file Show diff for this revision Revisions of this file
mbed.bld Show annotated file Show diff for this revision Revisions of this file 
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Tue Mar 26 12:37:18 2019 +0000
@@ -0,0 +1,39 @@
+#include "mbed.h"
+#include <stm32l432xx.h>
+
+
+#define PWM_PERIOD_COUNT 1000
+
+/*
+For register definitions see here:
+https://github.com/ARMmbed/mbed-os/blob/master/targets/TARGET_STM/TARGET_STM32L4/TARGET_STM32L432xC/device/stm32l432xx.h
+*/
+#define BUF_SIZE 99
+
+// Using the MBED libraries to configure the PWM outputs (its easier than 
+// calculating all of the register contents by hand)
+DigitalOut myled(LED1);
+PwmOut  PhaATop(PA_8); 
+
+void initTimer1()
+{    
+    
+    TIM1->CR1 = 0; // make sure Counter is disabled before changing configuration
+    TIM1->CR2 = 0;
+    TIM1->PSC = 1;
+    TIM1->ARR = PWM_PERIOD_COUNT;
+    TIM1->CCR1 = PWM_PERIOD_COUNT/4; // 25% duty
+    // Enable channel 1
+    TIM1->CCER = 1;
+    TIM1->SR = 0;      // Clear flags.    
+    TIM1->CR1 |= 1; // enable counter
+
+}
+
+int main() {    
+   
+    initTimer1();
+    while(1) {
+       
+    }
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Tue Mar 26 12:37:18 2019 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/aa5281ff4a02
\ No newline at end of file