Merge pull request #2659 from mubes/i2cfixes

Fix I2C clock divider
2020-02-28 10:55:48 -05:00 · 2020-02-28 10:55:48 -05:00 · 0c2894c725
parent 1b33cd11fc 09a3153bf4
commit 0c2894c725
1 changed files with 1 additions and 3 deletions
--- a/ports/mimxrt10xx/common-hal/busio/I2C.c
+++ b/ports/mimxrt10xx/common-hal/busio/I2C.c
@ -34,10 +34,8 @@

 #include "fsl_lpi2c.h"

-//TODO
+#define I2C_CLOCK_FREQ (CLOCK_GetFreq(kCLOCK_Usb1PllClk) / 8 / (1+CLOCK_GetDiv(kCLOCK_Lpi2cDiv)))

-#define I2C_CLOCK_SOURCE_DIVIDER (5U)
-#define I2C_CLOCK_FREQ (CLOCK_GetFreq(kCLOCK_Usb1PllClk) / 8 / (I2C_CLOCK_SOURCE_DIVIDER + 1U))

 static void config_periph_pin(const mcu_periph_obj_t *periph) {
    IOMUXC_SetPinMux(