fly316/PX4-Autopilot
7
0
Fork 0
mirror of https://gitee.com/mirrors_PX4/PX4-Autopilot.git synced 2026-10-19 02:33:33 +08:00
Code Issues Packages Projects Releases Wiki Activity

[BACKPORT] imxrt: Change PLL settings for more accurate dshot timing

Browse Source
This commit is contained in:
Peter van der Perk
2024-07-10 22:00:47 -04:00
committed by Daniel Agar
parent c8fedda09a
commit e00101b771
3 changed files with 8 additions and 23 deletions
Download Patch File Download Diff File Expand all files Collapse all files
platforms/nuttx/src/px4/nxp/imxrt/dshot/dshot.c
+1 -17
View File
@@ -81,24 +81,8 @@ static int flexio_irq_handler(int irq, void *context, void *arg)
int up_dshot_init(uint32_t channel_mask, unsigned dshot_pwm_freq)
{
uint32_t timer_compare;
uint32_t timer_compare = 0x2F00 | (((BOARD_FLEXIO_PREQ / (dshot_pwm_freq * 3) / 2) - 1) & 0xFF);
if (dshot_pwm_freq == 150000) {
timer_compare = 0x2F8A;
} else if (dshot_pwm_freq == 300000) {
timer_compare = 0x2F45;
} else if (dshot_pwm_freq == 600000) {
timer_compare = 0x2F22;
} else if (dshot_pwm_freq == 1200000) {
timer_compare = 0x2F11;
} else {
// Not supported Dshot frequency
return 0;
}
/* Init FlexIO peripheral */