fly316/PX4-Autopilot
7
0
Fork 0
mirror of https://gitee.com/mirrors_PX4/PX4-Autopilot.git synced 2026-10-31 18:21:37 +08:00
Code Issues Packages Projects Releases Wiki Activity

incorperate master's oneshot api - not functional

Browse Source
This commit is contained in:
David Sidrane
2017-09-29 10:13:51 -04:00
committed by Daniel Agar
parent f50b9ddbae
commit 53e9ce8352
3 changed files with 225 additions and 55 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/drivers/kinetis/drv_io_timer.h
+14 -1
View File
@@ -58,12 +58,20 @@ typedef enum io_timer_channel_mode_t {
IOTimerChanMode_PWMOut = 1,
IOTimerChanMode_PWMIn = 2,
IOTimerChanMode_Capture = 3,
IOTimerChanMode_OneShot = 4,
IOTimerChanModeSize
} io_timer_channel_mode_t;
typedef uint8_t io_timer_channel_allocation_t; /* big enough to hold MAX_TIMER_IO_CHANNELS */
/* array of timers dedicated to PWM in and out and capture use */
/* array of timers dedicated to PWM in and out and capture use
*** Note that the clock_freq is set to the source in the clock tree that
*** feeds this specific timer. This can differs by Timer!
*** In PWM mode the timer's prescaler is set to achieve a counter frequency of 1MHz
*** In OneShot mode the timer's prescaler is set to achieve a counter frequency of 8MHz
*** Other prescaler rates can be achieved by fore instance by setting the clock_freq = 1Mhz
*** the resulting PSC will be one and the timer will count at it's clock frequency.
*/
typedef struct io_timers_t {
uint32_t base;
uint32_t clock_register;
@@ -106,6 +114,9 @@ __EXPORT int io_timer_handler3(int irq, void *context, void *args);
__EXPORT int io_timer_channel_init(unsigned channel, io_timer_channel_mode_t mode,
channel_handler_t channel_handler, void *context);
__EXPORT int io_timer_init_timer(unsigned timer);
__EXPORT int io_timer_set_rate(unsigned timer, unsigned rate);
__EXPORT int io_timer_set_enable(bool state, io_timer_channel_mode_t mode,
io_timer_channel_allocation_t masks);
@@ -118,4 +129,6 @@ __EXPORT int io_timer_is_channel_free(unsigned channel);
__EXPORT int io_timer_free_channel(unsigned channel);
__EXPORT int io_timer_get_channel_mode(unsigned channel);
__EXPORT int io_timer_get_mode_channels(io_timer_channel_mode_t mode);
__EXPORT extern void io_timer_trigger(void);
__END_DECLS