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imxrt dshot timing fix (#23365)

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* imxrt: Change PLL settings for more accurate dshot timing
* Update NuttX submodule
This commit is contained in:
Peter van der Perk
2024-07-08 18:57:15 +02:00
committed by GitHub
parent 77709c2948
commit 6bd81f38a6
4 changed files with 10 additions and 10 deletions
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boards/px4/fmu-v6xrt/nuttx-config/include/board.h
+1
View File
@@ -52,6 +52,7 @@
#define IMXRT_IPG_PODF_DIVIDER 5
#define BOARD_GPT_FREQUENCY 24000000
#define BOARD_XTAL_FREQUENCY 24000000
#define BOARD_FLEXIO_PREQ 108000000
/* SDIO *********************************************************************/
boards/px4/fmu-v6xrt/src/imxrt_clockconfig.c
+6 -6
View File
@@ -114,11 +114,11 @@ const struct clock_configuration_s g_initial_clkconfig = {
.div = 1,
.mux = ACMP_CLK_ROOT_OSC_RC_48M_DIV2,
},
.flexio1_clk_root = /* 240 / 2 = 120Mhz */
.flexio1_clk_root = /* 432 / 4 = 108Mhz */
{
.enable = 1,
.div = 2,
.mux = FLEXIO1_CLK_ROOT_SYS_PLL3_DIV2,
.div = 4,
.mux = FLEXIO1_CLK_ROOT_SYS_PLL2_PFD3,
},
.flexio2_clk_root =
{
@@ -492,9 +492,9 @@ const struct clock_configuration_s g_initial_clkconfig = {
.mfd = 268435455,
.ss_enable = 0,
.pfd0 = 27, /* (528 * 18) / 27 = 352 MHz */
.pfd1 = 16, /* (528 * 16) / 16 = 594 MHz */
.pfd2 = 24, /* (528 * 24) / 27 = 396 MHz */
.pfd3 = 32, /* (528 * 32) / 27 = 297 MHz */
.pfd1 = 16, /* (528 * 18) / 16 = 594 MHz */
.pfd2 = 24, /* (528 * 18) / 24 = 396 MHz */
.pfd3 = 22, /* (528 * 18) / 22 = 216 MHz */
},
.sys_pll3 =
{