From 9b158d60e160fd6be2fedc33a7d7327ec755f7b0 Mon Sep 17 00:00:00 2001 From: Damien George Date: Tue, 26 Jun 2018 00:06:04 +1000 Subject: [PATCH] stm32/mboot: Always use a flash latency of 1WS to match 48MHz HCLK. --- ports/stm32/mboot/main.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/ports/stm32/mboot/main.c b/ports/stm32/mboot/main.c index 1c762c9e45..32a8e76dd1 100644 --- a/ports/stm32/mboot/main.c +++ b/ports/stm32/mboot/main.c @@ -51,10 +51,12 @@ #undef MICROPY_HW_CLK_PLLN #undef MICROPY_HW_CLK_PLLP #undef MICROPY_HW_CLK_PLLQ +#undef MICROPY_HW_FLASH_LATENCY #define MICROPY_HW_CLK_PLLM (HSE_VALUE / 1000000) #define MICROPY_HW_CLK_PLLN (192) #define MICROPY_HW_CLK_PLLP (RCC_PLLP_DIV4) #define MICROPY_HW_CLK_PLLQ (4) +#define MICROPY_HW_FLASH_LATENCY FLASH_LATENCY_1 // Work out which USB device to use for the USB DFU interface #if !defined(MICROPY_HW_USB_MAIN_DEV) @@ -206,10 +208,6 @@ void SystemClock_Config(void) { while(__HAL_RCC_GET_FLAG(RCC_FLAG_PLLRDY) == RESET) { } - #if !defined(MICROPY_HW_FLASH_LATENCY) - #define MICROPY_HW_FLASH_LATENCY FLASH_LATENCY_1 - #endif - // Increase latency before changing clock if (MICROPY_HW_FLASH_LATENCY > (FLASH->ACR & FLASH_ACR_LATENCY)) { __HAL_FLASH_SET_LATENCY(MICROPY_HW_FLASH_LATENCY);