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| author | siddhu8990 | 2016-01-13 11:15:17 +0530 |
|---|---|---|
| committer | siddhu8990 | 2016-01-13 11:15:17 +0530 |
| commit | 7cba1cf7d2ee89559239a22c50297a1545de0587 (patch) | |
| tree | 5319b21a5679b6dabf10c57346cea9b41db02ac2 /src/c/hardware/avr/timer | |
| parent | d166736e0eb384156d30bcea45711d4c8d474ee1 (diff) | |
| download | Scilab2C_fossee_old-7cba1cf7d2ee89559239a22c50297a1545de0587.tar.gz Scilab2C_fossee_old-7cba1cf7d2ee89559239a22c50297a1545de0587.tar.bz2 Scilab2C_fossee_old-7cba1cf7d2ee89559239a22c50297a1545de0587.zip | |
Test commit
Diffstat (limited to 'src/c/hardware/avr/timer')
| -rw-r--r-- | src/c/hardware/avr/timer/u8AVRGetTimerValues.c | 37 | ||||
| -rw-r--r-- | src/c/hardware/avr/timer/u8AVRTimerSetups.c | 42 |
2 files changed, 79 insertions, 0 deletions
diff --git a/src/c/hardware/avr/timer/u8AVRGetTimerValues.c b/src/c/hardware/avr/timer/u8AVRGetTimerValues.c new file mode 100644 index 0000000..c542c18 --- /dev/null +++ b/src/c/hardware/avr/timer/u8AVRGetTimerValues.c @@ -0,0 +1,37 @@ +// Function to get timer count +// +// Calling Sequence +// u8AVRGetTimerValues(timer) +// +// Parameters +// timer: timer whose current count is to be returned (0,1,2) +// ***Refer datasheet for more description about timer +// +// Description +// This function returns the count of timer specified +// +// +// Authors +// Siddhesh Wani +// + + +#include "AVRPeripheralTimer.h" + + +uint8 u8AVRGetTimerValues(uint8 timer) +{ + switch(timer) + { + case 0: + return TCNT0; + + case 1: + break; + case 2: + return TCNT2; + } + + return 0; +} + diff --git a/src/c/hardware/avr/timer/u8AVRTimerSetups.c b/src/c/hardware/avr/timer/u8AVRTimerSetups.c new file mode 100644 index 0000000..1d93429 --- /dev/null +++ b/src/c/hardware/avr/timer/u8AVRTimerSetups.c @@ -0,0 +1,42 @@ +// Function to setup timer on AVR +// +// Calling Sequence +// u8AVRTimerSetups(timer, prescalar) +// +// Parameters +// timer: timer to be set up (0,1,2) +// prescalar: prescalar to be used for timer (0-7) +// ***Refer datasheet for more description about timer +// +// Description +// This function sets prescalr for timers. 'timer' decides which of the +// three (0,1,2) timers available to be used. The 'prescalar' is needed for +// deciding timer clock. Select appropriate prescalar depending on MCU clock +// and requirement. +// +// +// Authors +// Siddhesh Wani +// + + +#include "AVRPeripheralTimer.h" + + +uint8 u8AVRTimerSetups(uint8 timer,uint8 prescalar) +{ + switch(timer) + { + case 0: + TCCR0|= (prescalar & 0x07); //Select clock source + break; + case 1: + break; + case 2: + TCCR2|= (prescalar & 0x07); //Select clock source + break; + } + + return 0; +} + |