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Diffstat (limited to '')
| -rw-r--r-- | project/Core/Src/systick.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/project/Core/Src/systick.c b/project/Core/Src/systick.c new file mode 100644 index 0000000..263defd --- /dev/null +++ b/project/Core/Src/systick.c @@ -0,0 +1,23 @@ +#include "systick.h" + +// This function is to Initialize SysTick registers +void init_systick() +{ + // Use the SysTick global structure pointer to do the following in this + // exact order with separate lines for each step: + // + // Disable SysTick by clearing the CTRL (CSR) register. + // Set the LOAD (RVR) to 8 million to give us a 100 milliseconds timer. + // Set the clock source bit in the CTRL (CSR) to the internal clock. + // Set the enable bit in the CTRL (CSR) to start the timer. +} + +// This fuction is to create delay using SysTick timer counter +void delay_systick() +{ + // Using the SysTick global structure pointer do the following: + // Create a for loop that loops 10 times + // Inside that for loop check the COUNTFLAG bit in the CTRL (CSR) + // register in a loop. When that bit is set exit this inner loop + // to do another pass in the outer loop of 10. +} |