Diff: Device/FastPWM_LPC_SCT.cpp

Revision:

31:87e38b846651

Parent:

30:3e4d3b900850

--- a/Device/FastPWM_LPC_SCT.cpp	Sun Mar 13 11:43:18 2016 +0000
+++ b/Device/FastPWM_LPC_SCT.cpp	Mon Mar 14 20:41:49 2016 +0000
@@ -11,6 +11,14 @@
     //Mbed uses the timer as a single unified 32-bit timer, who are we to argue with this, and it is easier
     bits = 32;
     
+    #ifdef TARGET_LPC82X
+    //The mbed lib uses the PWM peripheral slightly different, which is irritating. This sets it bck to the LPC81X
+        _pwm.pwm->EVENT[_pwm.pwm_ch + 1].CTRL  = (1 << 12) | (_pwm.pwm_ch + 1);     // Event_n on Match_n 
+        _pwm.pwm->EVENT[_pwm.pwm_ch + 1].STATE = 0xFFFFFFFF;                        // All states  
+        _pwm.pwm->OUT[_pwm.pwm_ch].SET = (1 << 0);                                  // All PWM channels are SET on Event_0 
+        _pwm.pwm->OUT[_pwm.pwm_ch].CLR = (1 << (_pwm.pwm_ch + 1));                  // PWM ch is CLRed on Event_(ch+1) 
+    #endif
+    
     //With 32-bit we fix prescaler to 1
     _pwm.pwm->CTRL_U |= (1 << 2) | (1 << 3);
     _pwm.pwm->CTRL_U &= ~(0x7F << 5);