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Diffstat (limited to 'src/c/hardware/avr/pwm/u8AVRPWMSetups.c')
-rw-r--r-- | src/c/hardware/avr/pwm/u8AVRPWMSetups.c | 60 |
1 files changed, 0 insertions, 60 deletions
diff --git a/src/c/hardware/avr/pwm/u8AVRPWMSetups.c b/src/c/hardware/avr/pwm/u8AVRPWMSetups.c deleted file mode 100644 index 945f2312..00000000 --- a/src/c/hardware/avr/pwm/u8AVRPWMSetups.c +++ /dev/null @@ -1,60 +0,0 @@ -// Function to initialise PWM of AVR -// -// Calling Sequence -// u8AVRPWMSetups(uint8 timer, uint8 prescalar, uint8 waveform_mode, uint8 output_mode) -// -// Parameters -// timer: timer to be used for PWM generation (0,1,2) -// prescalar: prescalar to be used for generating PWM waveform (0-7) -// waveform_mode: decides type of waveform generation -// 0 -> Normal mode -// 1 -> Phase correct mode -// 2 -> CTC mode -// 3 -> Fase PWM mode -// output_mode: decides the compare output mode. (0-3) -// behaviour of the output is different for different inputs -// depending upon 'waveform_mode' chosen. -// ***Refer datasheet for more description about above modes -// -// Description -// This function initialises PWM of AVR with given parameters. 'timer' -// decides which of the three (0,1,2) timers available to be used. The -// 'prescalar' is needed for deciding PWM clock. Select appropriate prescalar -// depending on MCU clock. Choose required pwmmode using 'waveform_generation' -// and 'output_mode'. Please refer datasheet for more description of 'wafefom_mode' -// and 'output mode'. -// Examples -// AVRPWMSetup(0,1,2,2) -// -// Authors -// Siddhesh Wani -// - -#include "AVRPeripheralPWM.h" - - -void u8AVRPWMSetups(uint8 timer, uint8 prescalar, uint8 waveform_mode, uint8 output_mode) -{ - switch(timer) - { - case 0: - TCCR0|= (prescalar & 0x07); //Select clock source - //Select waveform generation mode - TCCR0|= ((waveform_mode & 0x04) << 4); - //Select compare output mode - TCCR0 |= ((output_mode & 0x01) << 3); //WGM0 - TCCR0 |= ((output_mode & 0x02) << 6); //WGM1 - break; - case 1: - break; - case 2: - TCCR2|= (prescalar & 0x07); //Select clock source - //Select waveform generation mode - TCCR2|= ((waveform_mode & 0x04) << 4); - //Select compare output mode - TCCR2 |= ((output_mode & 0x01) << 3); //WGM0 - TCCR2 |= ((output_mode & 0x02) << 6); //WGM1 - break; - } -} - |