From 9c4cd6d0b3fbc7c60eca978f2c044ed81ca6627b Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Niccol=C3=B2=20Betto?= <niccolo.betto@skywarder.eu> Date: Fri, 13 Sep 2024 23:41:33 +0200 Subject: [PATCH] [BSP][Lyra] Set SD clock to 6 Mhz and disable 4bit wire mode --- src/bsps/stm32f767zi_lyra_biscotto/config/board_settings.h | 7 +++++-- src/bsps/stm32f767zi_lyra_motor/config/board_settings.h | 7 +++++-- 2 files changed, 10 insertions(+), 4 deletions(-) diff --git a/src/bsps/stm32f767zi_lyra_biscotto/config/board_settings.h b/src/bsps/stm32f767zi_lyra_biscotto/config/board_settings.h index 2332aa30e..5a18f96a5 100644 --- a/src/bsps/stm32f767zi_lyra_biscotto/config/board_settings.h +++ b/src/bsps/stm32f767zi_lyra_biscotto/config/board_settings.h @@ -49,8 +49,11 @@ const unsigned int defaultSerialSpeed = 115200; // SD card driver static const unsigned char sdVoltage = 33; // Board powered @ 3.3V -// #define SD_ONE_BIT_DATABUS -#define SD_SDMMC 1 // Select either SDMMC1 or SDMMC2 +#define SD_SDMMC 1 // Select either SDMMC1 or SDMMC2 + +// Disable 4bit wire mode and set speed to 6Mhz (48Mhz / (6 + 2)) +#define SD_ONE_BIT_DATABUS +#define OVERRIDE_SD_CLOCK_DIVIDER_MAX 6 /// Analog supply voltage for ADC, DAC, Reset blocks, RCs and PLL #define V_DDA_VOLTAGE 3.3f diff --git a/src/bsps/stm32f767zi_lyra_motor/config/board_settings.h b/src/bsps/stm32f767zi_lyra_motor/config/board_settings.h index 2332aa30e..5a18f96a5 100644 --- a/src/bsps/stm32f767zi_lyra_motor/config/board_settings.h +++ b/src/bsps/stm32f767zi_lyra_motor/config/board_settings.h @@ -49,8 +49,11 @@ const unsigned int defaultSerialSpeed = 115200; // SD card driver static const unsigned char sdVoltage = 33; // Board powered @ 3.3V -// #define SD_ONE_BIT_DATABUS -#define SD_SDMMC 1 // Select either SDMMC1 or SDMMC2 +#define SD_SDMMC 1 // Select either SDMMC1 or SDMMC2 + +// Disable 4bit wire mode and set speed to 6Mhz (48Mhz / (6 + 2)) +#define SD_ONE_BIT_DATABUS +#define OVERRIDE_SD_CLOCK_DIVIDER_MAX 6 /// Analog supply voltage for ADC, DAC, Reset blocks, RCs and PLL #define V_DDA_VOLTAGE 3.3f -- GitLab