1 files changed, 0 insertions, 82 deletions
diff --git a/src/pru/pwm_test.c b/src/pru/pwm_test.c
deleted file mode 100644
index 9c19314..0000000
--- a/src/pru/pwm_test.c
+++ /dev/null
@@ -1,82 +0,0 @@
-/* 
- *
- *  pwm tester
- *	The on cycle and off cycles are stored in each PRU's Data memory
- *
- */
-
-#include <stdio.h>
-#include <stdint.h>
-#include <fcntl.h>
-#include <sys/mman.h>
-
-#define PRU_ADDR		0x4A300000		// Start of PRU memory Page 184 am335x TRM
-#define PRU_LEN			0x80000			// Length of PRU memory
-#define PRU0_DRAM		0x00000			// Offset to DRAM
-#define PRU1_DRAM		0x02000
-#define PRU_SHAREDMEM	0x10000			// Offset to shared memory
-
-#define CYCLES_PER_SECOND 200000000
-#define CYCLES_PER_PERIOD (CYCLES_PER_SECOND / 800)
-#define PRU_TIMER_PASSCODE 0x31138423
-
-uint32_t	*pru0DRAM_32int_ptr;		// Points to the start of local DRAM
-uint32_t	*pru1DRAM_32int_ptr;		// Points to the start of local DRAM
-uint32_t	*prusharedMem_32int_ptr;	// Points to the start of the shared memory
-
-/*******************************************************************************
-* int start_pwm_count(int ch, int countOn, int countOff)
-* 
-* Starts a pwm pulse on for countOn and off for countOff to a single channel (ch)
-*******************************************************************************/
-int start_pwm_count(uint32_t duty_cycle) {
-	uint32_t *pruDRAM_32int_ptr = pru0DRAM_32int_ptr;
-    uint32_t old_duty_cycle = pruDRAM_32int_ptr[0];
-    uint32_t old_count_on = (100 - (100 - old_duty_cycle)) * CYCLES_PER_PERIOD / 100;
-    uint32_t old_count_off = (100 - old_duty_cycle) * CYCLES_PER_PERIOD / 100;
-    uint32_t new_count_on = (100 - (100 - duty_cycle)) * CYCLES_PER_PERIOD / 100;
-    uint32_t new_count_off = (100 - duty_cycle) * CYCLES_PER_PERIOD / 100;
-	
-	printf("old:\n\tcountOn: %d, countOff: %d, count: %d\nnew:\n\tcountOn: %d, countOff: %d, count: %d\n", old_count_on, old_count_off, old_count_off + old_count_on, new_count_on, new_count_off, new_count_off + new_count_on);
-	// write to PRU shared memory
-	pruDRAM_32int_ptr[1] = PRU_TIMER_PASSCODE;
-	pruDRAM_32int_ptr[0] = duty_cycle;	// On time
-	return 0;
-}
-
-int main(int argc, char *argv[])
-{
-	uint32_t *pru;		// Points to start of PRU memory.
-	int	fd;
-	printf("Servo tester\n");
-	
-	fd = open ("/dev/mem", O_RDWR | O_SYNC);
-	if (fd == -1) {
-		printf ("ERROR: could not open /dev/mem.\n\n");
-		return 1;
-	}
-	pru = mmap (0, PRU_LEN, PROT_READ | PROT_WRITE, MAP_SHARED, fd, PRU_ADDR);
-	if (pru == MAP_FAILED) {
-		printf ("ERROR: could not map memory.\n\n");
-		return 1;
-	}
-	close(fd);
-	printf ("Using /dev/mem.\n");
-	
-	pru0DRAM_32int_ptr =     pru + PRU0_DRAM/4 + 0x200/4;	// Points to 0x200 of PRU0 memory
-	pru1DRAM_32int_ptr =     pru + PRU1_DRAM/4 + 0x200/4;	// Points to 0x200 of PRU1 memory
-	prusharedMem_32int_ptr = pru + PRU_SHAREDMEM/4;	// Points to start of shared memory
-
-    uint32_t desired_duty_cycle = 0;
-    while (1) {
-        printf("Enter a duty cycle: ");
-        scanf("%d", &desired_duty_cycle);
-        start_pwm_count(desired_duty_cycle);
-    }
-	
-	if(munmap(pru, PRU_LEN)) {
-		printf("munmap failed\n");
-	} else {
-		printf("munmap succeeded\n");
-	}
-}