Merge branch 'master' of github:/szmoore/MCTX3420

[matches/MCTX3420.git] / BBB code / pwm.h

diff --git a/BBB code/pwm.h b/BBB code/pwm.h
index 605095f..2c9411b 100644 (file)
--- a/BBB code/pwm.h
+++ b/BBB code/pwm.h
@@ -10,10 +10,14 @@
 #include <sched.h>
 #include <stdint.h>
 
-#define START    0x44e00000    // see datasheet of AM335x
-#define LENGTH   1024
-#define OFFSET_1 0xcc          // offset of PWM1 clock (see datasheet of AM335x p.1018)
-#define FREQ    50                        //50Hz pwm frequency for pressure regulator
+#define START          0x44e00000    // see datasheet of AM335x
+#define LENGTH         1024
+#define OFFSET_1       0xcc          // offset of PWM1 clock (see datasheet of AM335x p.1018)
+#define FREQ           50                         //50Hz pwm frequency for pressure regulator
+#define PWMMuxPath     "/sys/kernel/debug/omap_mux/gpmc_a2"
+#define PWMRunPath     "/sys/class/pwm/ehrpwm.1:0/run"
+#define PWMDutyPath    "/sys/class/pwm/ehrpwm.1:0/duty_percent"
+#define PWMFreqPath    "/sys/class/pwm/ehrpwm.1:0/period_freq"
 
 void pwm_init(void);
 void pwm_start(void);