Use I2C_TIMING for F4.

This commit is contained in:
iabdalkader 2020-11-30 22:35:02 +02:00
parent 193ea31ec3
commit 2700fb9123
3 changed files with 5 additions and 6 deletions

View File

@ -123,7 +123,7 @@
#define SCCB_PORT (GPIOB)
#define SCCB_SCL_PIN (GPIO_PIN_8)
#define SCCB_SDA_PIN (GPIO_PIN_9)
#define SCCB_TIMING (I2C_TIMING_STANDARD) // ignored
#define SCCB_TIMING (I2C_TIMING_STANDARD)
#define SCCB_FORCE_RESET() __HAL_RCC_I2C1_FORCE_RESET()
#define SCCB_RELEASE_RESET() __HAL_RCC_I2C1_RELEASE_RESET()

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@ -14,7 +14,6 @@
#include "systick.h"
#include "omv_boardconfig.h"
#include "cambus.h"
#define I2C_FREQUENCY (100000)
#define I2C_TIMEOUT (1000)
#define I2C_SCAN_TIMEOUT (100)
@ -26,7 +25,7 @@ int cambus_init(I2C_HandleTypeDef *i2c, I2C_TypeDef *instance, uint32_t timing)
#if !defined(STM32F4)
i2c->Init.Timing = timing;
#else
i2c->Init.ClockSpeed = I2C_FREQUENCY;
i2c->Init.ClockSpeed = timing;
i2c->Init.DutyCycle = I2C_DUTYCYCLE_2;
#endif
i2c->Init.DualAddressMode = I2C_DUALADDRESS_DISABLED;

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@ -13,9 +13,9 @@
#include <stdint.h>
#include STM32_HAL_H
#if defined(STM32F4)
#define I2C_TIMING_STANDARD (0)
#define I2C_TIMING_FULL (0)
#define I2C_TIMING_FAST (0)
#define I2C_TIMING_STANDARD (100000U)
#define I2C_TIMING_FULL (400000U)
#define I2C_TIMING_FAST (400000U)
#elif defined(STM32F7)
// These timing values are for f_I2CCLK=54MHz and are only approximate
#define I2C_TIMING_STANDARD (0x1090699B)