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Diffstat (limited to 'keyboard/infinity/mbed-infinity/README')
| -rw-r--r-- | keyboard/infinity/mbed-infinity/README | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/keyboard/infinity/mbed-infinity/README b/keyboard/infinity/mbed-infinity/README new file mode 100644 index 0000000000..b0d226f793 --- /dev/null +++ b/keyboard/infinity/mbed-infinity/README @@ -0,0 +1,39 @@ +mbed fix for Infinity +===================== +Without linker script patch it doesn't place vector table in final binary. +And clock is configured to 48MHz using internal clock reference and FLL multiplication. + + +mbed/targets/cmsis/TARGET_Freescale/TARGET_K20D50M/system_MK20D5.c + Fix SystemInit: clock setup for internal clock. Inifinity has no external Xtal. + +mbed/targets/cmsis/TARGET_Freescale/TARGET_K20D50M/cmsis_nvic.c + Fix NVIC vector address of firmware 0x1000 instead of 0x0 + +mbed/targets/cmsis/TARGET_Freescale/TARGET_K20D50M/TOOLCHAIN_GCC_ARM/MK20D5.ld + Fix memory map for Infinity bootloader + Flash starts at 0x1000 + No flash config bytes sector + +USBDevice/USBDevice/USBHAL_KL25Z.cpp + Fix USB clock setup, see below. + + +2015/01/04 Based on mbed-sdk @2f63fa7d78a26. + + + +Kinetis USB config +================== +Clock source: Internal reference clock wth FLL + SIM_SOPT[USBSRC] = 1(MCGPLLCLK/MCGFLLCLK) + SIM_SOPT[PLLSEL] = 0(MCGFLLCLK) + +Clock dividor: + SIM_CLKDIV2[USBDIV] = 0 + SIM_CLKDIV2[USBFAC] = 0 + +Clock enable: + SIM_SCGC4[USBOTG] = 1 + + |