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This diff has been restricted to the following files: 'timer.h'

#
# old_revision [d8ed90db2d4284a290224447c40a0d9cef3fbc31]
# new_revision [08a35a6680cdf8985cfb16fa6779ee6db7202a9c]
#
# add_file "timer.h"
#  content [77f91cb86b26421f2d28236d25d384e9a025e939]
#
============================================================
--- /dev/null	
+++ timer.h	77f91cb86b26421f2d28236d25d384e9a025e939
@@ -0,0 +1,51 @@
+#ifndef __TIMER_H
+#define __TIMER_H
+
+#include "types.h"
+
+#define TIMER_PCLK 58982400
+#define TIMER_PRESCALE 36863
+#define TIMER0_PRESCALE 3
+
+#define TIMER_SECOND (TIMER_PCLK/(TIMER_PRESCALE+1))
+/* Since we're using awkward numbers, this gives better accuracy */
+#define TIMER_MS(x) ((x) * TIMER_SECOND / 1000)
+#define TIMER_US(x) ((x) * TIMER_SECOND / 1000000)
+
+#define TIMER0_SECOND (TIMER_PCLK/(TIMER0_PRESCALE+1))
+#define TIMER0_MS (TIMER0_SECOND/1000)
+#define TIMER0_US (TIMER0_SECOND/1000000)
+
+#define PWM_MAX 14745
+#if 0
+#define PWM_PERIOD 58980
+#endif
+#define PWM_PERIOD ((4*PWM_MAX)+1)
+
+#define TIMER_INPUT_TIMEOUT (TIMER0_SECOND/10)
+#define TIMER_CPPM_SYNC 40000
+
+#define TIMER_CH(x) (timer_map[x])
+
+extern volatile unsigned int timer0_width[];
+extern volatile unsigned int timer0_cppm[];
+extern unsigned int timer_map[];
+
+void init_timer(void);
+unsigned int timer_read(void);
+void timer_delay_clocks(unsigned int clocks);
+void timer_set_period(unsigned int period);
+void timer_set_pwm_value(int channel, int value);
+void timer_set_pwm_invalid(int channel);
+bool timer_valid(int channel);
+bool timer_allvalid(void);
+
+#define timer_delay_us(x) timer_delay_clocks((x)*TIMER0_US)
+#define timer_delay_ms(x) timer_delay_clocks((x)*TIMER0_MS)
+
+#ifdef TIMER_CPPM
+#define timer_input(ch) (timer0_cppm[TIMER_CH(ch)])
+#else
+#define timer_input(ch) (timer0_width[TIMER_CH(ch)])
+#endif
+#endif /* __TIMER_H */