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Basic I2C functionality

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This commit is contained in:
Moritz Martinius
2024-12-29 16:24:54 +01:00
parent 17099b0047
commit 1e648be211
9 changed files with 416 additions and 208 deletions
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32
Core/Inc/i2c.hpp Normal file
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@@ -0,0 +1,32 @@
#pragma once
#include <vector>
#include "stm32f401xe.h"
#include "stm32f4xx_hal.h"
#include "stm32f4xx_hal_i2c.h"
#include "stm32f4xx_hal_uart.h"
namespace driver::i2c {
constexpr const uint32_t I2C_TIMEOUT_MS{200};
class I2c {
public:
explicit I2c(I2C_TypeDef* i2c, const uint32_t clockSpeed, const uint32_t dutyCycle,
const uint32_t ownAddress1, const uint32_t addressingMode,
const uint32_t dualAddressMode, const uint32_t ownAddress2,
const uint32_t generalCallMode, const uint32_t noStretchMode);
~I2c() = default;
bool init();
void deinit();
HAL_StatusTypeDef write(const uint16_t slaveAddr, const uint16_t memAddr,
std::vector<uint8_t>& data);
std::pair<HAL_StatusTypeDef, uint8_t> read(const uint16_t slaveAddr, const uint16_t memAddr);
uint32_t getLastError();
private:
I2C_HandleTypeDef mHandle;
};
} // namespace driver::i2c

312
Core/Inc/stm32f4xx_hal_conf.h
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@@ -25,7 +25,7 @@
#define __STM32F4xx_HAL_CONF_H
#ifdef __cplusplus
extern "C" {
extern "C" {
#endif
/* Exported types ------------------------------------------------------------*/
@@ -37,7 +37,7 @@
*/
#define HAL_MODULE_ENABLED
/* #define HAL_CRYP_MODULE_ENABLED */
/* #define HAL_CRYP_MODULE_ENABLED */
/* #define HAL_ADC_MODULE_ENABLED */
/* #define HAL_CAN_MODULE_ENABLED */
/* #define HAL_CRC_MODULE_ENABLED */
@@ -53,7 +53,7 @@
/* #define HAL_SRAM_MODULE_ENABLED */
/* #define HAL_SDRAM_MODULE_ENABLED */
/* #define HAL_HASH_MODULE_ENABLED */
/* #define HAL_I2C_MODULE_ENABLED */
#define HAL_I2C_MODULE_ENABLED
/* #define HAL_I2S_MODULE_ENABLED */
/* #define HAL_IWDG_MODULE_ENABLED */
/* #define HAL_LTDC_MODULE_ENABLED */
@@ -95,50 +95,50 @@
* This value is used by the RCC HAL module to compute the system frequency
* (when HSE is used as system clock source, directly or through the PLL).
*/
#if !defined (HSE_VALUE)
#define HSE_VALUE 8000000U /*!< Value of the External oscillator in Hz */
#endif /* HSE_VALUE */
#if !defined(HSE_VALUE)
#define HSE_VALUE 8000000U /*!< Value of the External oscillator in Hz */
#endif /* HSE_VALUE */
#if !defined (HSE_STARTUP_TIMEOUT)
#define HSE_STARTUP_TIMEOUT 100U /*!< Time out for HSE start up, in ms */
#endif /* HSE_STARTUP_TIMEOUT */
#if !defined(HSE_STARTUP_TIMEOUT)
#define HSE_STARTUP_TIMEOUT 100U /*!< Time out for HSE start up, in ms */
#endif /* HSE_STARTUP_TIMEOUT */
/**
* @brief Internal High Speed oscillator (HSI) value.
* This value is used by the RCC HAL module to compute the system frequency
* (when HSI is used as system clock source, directly or through the PLL).
*/
#if !defined (HSI_VALUE)
#define HSI_VALUE ((uint32_t)16000000U) /*!< Value of the Internal oscillator in Hz*/
#endif /* HSI_VALUE */
#if !defined(HSI_VALUE)
#define HSI_VALUE ((uint32_t)16000000U) /*!< Value of the Internal oscillator in Hz*/
#endif /* HSI_VALUE */
/**
* @brief Internal Low Speed oscillator (LSI) value.
*/
#if !defined (LSI_VALUE)
#define LSI_VALUE 32000U /*!< LSI Typical Value in Hz*/
#endif /* LSI_VALUE */ /*!< Value of the Internal Low Speed oscillator in Hz
#if !defined(LSI_VALUE)
#define LSI_VALUE 32000U /*!< LSI Typical Value in Hz*/
#endif /* LSI_VALUE */ /*!< Value of the Internal Low Speed oscillator in Hz
The real value may vary depending on the variations
in voltage and temperature.*/
/**
* @brief External Low Speed oscillator (LSE) value.
*/
#if !defined (LSE_VALUE)
#define LSE_VALUE 32768U /*!< Value of the External Low Speed oscillator in Hz */
#endif /* LSE_VALUE */
#if !defined(LSE_VALUE)
#define LSE_VALUE 32768U /*!< Value of the External Low Speed oscillator in Hz */
#endif /* LSE_VALUE */
#if !defined (LSE_STARTUP_TIMEOUT)
#define LSE_STARTUP_TIMEOUT 5000U /*!< Time out for LSE start up, in ms */
#endif /* LSE_STARTUP_TIMEOUT */
#if !defined(LSE_STARTUP_TIMEOUT)
#define LSE_STARTUP_TIMEOUT 5000U /*!< Time out for LSE start up, in ms */
#endif /* LSE_STARTUP_TIMEOUT */
/**
* @brief External clock source for I2S peripheral
* This value is used by the I2S HAL module to compute the I2S clock source
* frequency, this source is inserted directly through I2S_CKIN pad.
*/
#if !defined (EXTERNAL_CLOCK_VALUE)
#define EXTERNAL_CLOCK_VALUE 12288000U /*!< Value of the External audio frequency in Hz*/
#endif /* EXTERNAL_CLOCK_VALUE */
#if !defined(EXTERNAL_CLOCK_VALUE)
#define EXTERNAL_CLOCK_VALUE 12288000U /*!< Value of the External audio frequency in Hz*/
#endif /* EXTERNAL_CLOCK_VALUE */
/* Tip: To avoid modifying this file each time you need to use different HSE,
=== you can define the HSE value in your toolchain compiler preprocessor. */
@@ -147,52 +147,52 @@
/**
* @brief This is the HAL system configuration section
*/
#define VDD_VALUE 3300U /*!< Value of VDD in mv */
#define TICK_INT_PRIORITY 0U /*!< tick interrupt priority */
#define USE_RTOS 0U
#define PREFETCH_ENABLE 1U
#define INSTRUCTION_CACHE_ENABLE 1U
#define DATA_CACHE_ENABLE 1U
#define VDD_VALUE 3300U /*!< Value of VDD in mv */
#define TICK_INT_PRIORITY 0U /*!< tick interrupt priority */
#define USE_RTOS 0U
#define PREFETCH_ENABLE 1U
#define INSTRUCTION_CACHE_ENABLE 1U
#define DATA_CACHE_ENABLE 1U
#define USE_HAL_ADC_REGISTER_CALLBACKS 0U /* ADC register callback disabled */
#define USE_HAL_CAN_REGISTER_CALLBACKS 0U /* CAN register callback disabled */
#define USE_HAL_CEC_REGISTER_CALLBACKS 0U /* CEC register callback disabled */
#define USE_HAL_CRYP_REGISTER_CALLBACKS 0U /* CRYP register callback disabled */
#define USE_HAL_DAC_REGISTER_CALLBACKS 0U /* DAC register callback disabled */
#define USE_HAL_DCMI_REGISTER_CALLBACKS 0U /* DCMI register callback disabled */
#define USE_HAL_DFSDM_REGISTER_CALLBACKS 0U /* DFSDM register callback disabled */
#define USE_HAL_DMA2D_REGISTER_CALLBACKS 0U /* DMA2D register callback disabled */
#define USE_HAL_DSI_REGISTER_CALLBACKS 0U /* DSI register callback disabled */
#define USE_HAL_ETH_REGISTER_CALLBACKS 0U /* ETH register callback disabled */
#define USE_HAL_HASH_REGISTER_CALLBACKS 0U /* HASH register callback disabled */
#define USE_HAL_HCD_REGISTER_CALLBACKS 0U /* HCD register callback disabled */
#define USE_HAL_I2C_REGISTER_CALLBACKS 0U /* I2C register callback disabled */
#define USE_HAL_FMPI2C_REGISTER_CALLBACKS 0U /* FMPI2C register callback disabled */
#define USE_HAL_FMPSMBUS_REGISTER_CALLBACKS 0U /* FMPSMBUS register callback disabled */
#define USE_HAL_I2S_REGISTER_CALLBACKS 0U /* I2S register callback disabled */
#define USE_HAL_IRDA_REGISTER_CALLBACKS 0U /* IRDA register callback disabled */
#define USE_HAL_LPTIM_REGISTER_CALLBACKS 0U /* LPTIM register callback disabled */
#define USE_HAL_LTDC_REGISTER_CALLBACKS 0U /* LTDC register callback disabled */
#define USE_HAL_MMC_REGISTER_CALLBACKS 0U /* MMC register callback disabled */
#define USE_HAL_NAND_REGISTER_CALLBACKS 0U /* NAND register callback disabled */
#define USE_HAL_NOR_REGISTER_CALLBACKS 0U /* NOR register callback disabled */
#define USE_HAL_PCCARD_REGISTER_CALLBACKS 0U /* PCCARD register callback disabled */
#define USE_HAL_PCD_REGISTER_CALLBACKS 0U /* PCD register callback disabled */
#define USE_HAL_QSPI_REGISTER_CALLBACKS 0U /* QSPI register callback disabled */
#define USE_HAL_RNG_REGISTER_CALLBACKS 0U /* RNG register callback disabled */
#define USE_HAL_RTC_REGISTER_CALLBACKS 0U /* RTC register callback disabled */
#define USE_HAL_SAI_REGISTER_CALLBACKS 0U /* SAI register callback disabled */
#define USE_HAL_SD_REGISTER_CALLBACKS 0U /* SD register callback disabled */
#define USE_HAL_SMARTCARD_REGISTER_CALLBACKS 0U /* SMARTCARD register callback disabled */
#define USE_HAL_SDRAM_REGISTER_CALLBACKS 0U /* SDRAM register callback disabled */
#define USE_HAL_SRAM_REGISTER_CALLBACKS 0U /* SRAM register callback disabled */
#define USE_HAL_SPDIFRX_REGISTER_CALLBACKS 0U /* SPDIFRX register callback disabled */
#define USE_HAL_SMBUS_REGISTER_CALLBACKS 0U /* SMBUS register callback disabled */
#define USE_HAL_SPI_REGISTER_CALLBACKS 0U /* SPI register callback disabled */
#define USE_HAL_TIM_REGISTER_CALLBACKS 0U /* TIM register callback disabled */
#define USE_HAL_UART_REGISTER_CALLBACKS 0U /* UART register callback disabled */
#define USE_HAL_USART_REGISTER_CALLBACKS 0U /* USART register callback disabled */
#define USE_HAL_WWDG_REGISTER_CALLBACKS 0U /* WWDG register callback disabled */
#define USE_HAL_ADC_REGISTER_CALLBACKS 0U /* ADC register callback disabled */
#define USE_HAL_CAN_REGISTER_CALLBACKS 0U /* CAN register callback disabled */
#define USE_HAL_CEC_REGISTER_CALLBACKS 0U /* CEC register callback disabled */
#define USE_HAL_CRYP_REGISTER_CALLBACKS 0U /* CRYP register callback disabled */
#define USE_HAL_DAC_REGISTER_CALLBACKS 0U /* DAC register callback disabled */
#define USE_HAL_DCMI_REGISTER_CALLBACKS 0U /* DCMI register callback disabled */
#define USE_HAL_DFSDM_REGISTER_CALLBACKS 0U /* DFSDM register callback disabled */
#define USE_HAL_DMA2D_REGISTER_CALLBACKS 0U /* DMA2D register callback disabled */
#define USE_HAL_DSI_REGISTER_CALLBACKS 0U /* DSI register callback disabled */
#define USE_HAL_ETH_REGISTER_CALLBACKS 0U /* ETH register callback disabled */
#define USE_HAL_HASH_REGISTER_CALLBACKS 0U /* HASH register callback disabled */
#define USE_HAL_HCD_REGISTER_CALLBACKS 0U /* HCD register callback disabled */
#define USE_HAL_I2C_REGISTER_CALLBACKS 0U /* I2C register callback disabled */
#define USE_HAL_FMPI2C_REGISTER_CALLBACKS 0U /* FMPI2C register callback disabled */
#define USE_HAL_FMPSMBUS_REGISTER_CALLBACKS 0U /* FMPSMBUS register callback disabled */
#define USE_HAL_I2S_REGISTER_CALLBACKS 0U /* I2S register callback disabled */
#define USE_HAL_IRDA_REGISTER_CALLBACKS 0U /* IRDA register callback disabled */
#define USE_HAL_LPTIM_REGISTER_CALLBACKS 0U /* LPTIM register callback disabled */
#define USE_HAL_LTDC_REGISTER_CALLBACKS 0U /* LTDC register callback disabled */
#define USE_HAL_MMC_REGISTER_CALLBACKS 0U /* MMC register callback disabled */
#define USE_HAL_NAND_REGISTER_CALLBACKS 0U /* NAND register callback disabled */
#define USE_HAL_NOR_REGISTER_CALLBACKS 0U /* NOR register callback disabled */
#define USE_HAL_PCCARD_REGISTER_CALLBACKS 0U /* PCCARD register callback disabled */
#define USE_HAL_PCD_REGISTER_CALLBACKS 0U /* PCD register callback disabled */
#define USE_HAL_QSPI_REGISTER_CALLBACKS 0U /* QSPI register callback disabled */
#define USE_HAL_RNG_REGISTER_CALLBACKS 0U /* RNG register callback disabled */
#define USE_HAL_RTC_REGISTER_CALLBACKS 0U /* RTC register callback disabled */
#define USE_HAL_SAI_REGISTER_CALLBACKS 0U /* SAI register callback disabled */
#define USE_HAL_SD_REGISTER_CALLBACKS 0U /* SD register callback disabled */
#define USE_HAL_SMARTCARD_REGISTER_CALLBACKS 0U /* SMARTCARD register callback disabled */
#define USE_HAL_SDRAM_REGISTER_CALLBACKS 0U /* SDRAM register callback disabled */
#define USE_HAL_SRAM_REGISTER_CALLBACKS 0U /* SRAM register callback disabled */
#define USE_HAL_SPDIFRX_REGISTER_CALLBACKS 0U /* SPDIFRX register callback disabled */
#define USE_HAL_SMBUS_REGISTER_CALLBACKS 0U /* SMBUS register callback disabled */
#define USE_HAL_SPI_REGISTER_CALLBACKS 0U /* SPI register callback disabled */
#define USE_HAL_TIM_REGISTER_CALLBACKS 0U /* TIM register callback disabled */
#define USE_HAL_UART_REGISTER_CALLBACKS 0U /* UART register callback disabled */
#define USE_HAL_USART_REGISTER_CALLBACKS 0U /* USART register callback disabled */
#define USE_HAL_WWDG_REGISTER_CALLBACKS 0U /* WWDG register callback disabled */
/* ########################## Assert Selection ############################## */
/**
@@ -206,56 +206,56 @@
/* Section 1 : Ethernet peripheral configuration */
/* MAC ADDRESS: MAC_ADDR0:MAC_ADDR1:MAC_ADDR2:MAC_ADDR3:MAC_ADDR4:MAC_ADDR5 */
#define MAC_ADDR0 2U
#define MAC_ADDR1 0U
#define MAC_ADDR2 0U
#define MAC_ADDR3 0U
#define MAC_ADDR4 0U
#define MAC_ADDR5 0U
#define MAC_ADDR0 2U
#define MAC_ADDR1 0U
#define MAC_ADDR2 0U
#define MAC_ADDR3 0U
#define MAC_ADDR4 0U
#define MAC_ADDR5 0U
/* Definition of the Ethernet driver buffers size and count */
#define ETH_RX_BUF_SIZE ETH_MAX_PACKET_SIZE /* buffer size for receive */
#define ETH_TX_BUF_SIZE ETH_MAX_PACKET_SIZE /* buffer size for transmit */
#define ETH_RXBUFNB 4U /* 4 Rx buffers of size ETH_RX_BUF_SIZE */
#define ETH_TXBUFNB 4U /* 4 Tx buffers of size ETH_TX_BUF_SIZE */
#define ETH_RX_BUF_SIZE ETH_MAX_PACKET_SIZE /* buffer size for receive */
#define ETH_TX_BUF_SIZE ETH_MAX_PACKET_SIZE /* buffer size for transmit */
#define ETH_RXBUFNB 4U /* 4 Rx buffers of size ETH_RX_BUF_SIZE */
#define ETH_TXBUFNB 4U /* 4 Tx buffers of size ETH_TX_BUF_SIZE */
/* Section 2: PHY configuration section */
/* DP83848_PHY_ADDRESS Address*/
#define DP83848_PHY_ADDRESS
/* PHY Reset delay these values are based on a 1 ms Systick interrupt*/
#define PHY_RESET_DELAY 0x000000FFU
#define PHY_RESET_DELAY 0x000000FFU
/* PHY Configuration delay */
#define PHY_CONFIG_DELAY 0x00000FFFU
#define PHY_CONFIG_DELAY 0x00000FFFU
#define PHY_READ_TO 0x0000FFFFU
#define PHY_WRITE_TO 0x0000FFFFU
#define PHY_READ_TO 0x0000FFFFU
#define PHY_WRITE_TO 0x0000FFFFU
/* Section 3: Common PHY Registers */
#define PHY_BCR ((uint16_t)0x0000U) /*!< Transceiver Basic Control Register */
#define PHY_BSR ((uint16_t)0x0001U) /*!< Transceiver Basic Status Register */
#define PHY_BCR ((uint16_t)0x0000U) /*!< Transceiver Basic Control Register */
#define PHY_BSR ((uint16_t)0x0001U) /*!< Transceiver Basic Status Register */
#define PHY_RESET ((uint16_t)0x8000U) /*!< PHY Reset */
#define PHY_LOOPBACK ((uint16_t)0x4000U) /*!< Select loop-back mode */
#define PHY_FULLDUPLEX_100M ((uint16_t)0x2100U) /*!< Set the full-duplex mode at 100 Mb/s */
#define PHY_HALFDUPLEX_100M ((uint16_t)0x2000U) /*!< Set the half-duplex mode at 100 Mb/s */
#define PHY_FULLDUPLEX_10M ((uint16_t)0x0100U) /*!< Set the full-duplex mode at 10 Mb/s */
#define PHY_HALFDUPLEX_10M ((uint16_t)0x0000U) /*!< Set the half-duplex mode at 10 Mb/s */
#define PHY_AUTONEGOTIATION ((uint16_t)0x1000U) /*!< Enable auto-negotiation function */
#define PHY_RESTART_AUTONEGOTIATION ((uint16_t)0x0200U) /*!< Restart auto-negotiation function */
#define PHY_POWERDOWN ((uint16_t)0x0800U) /*!< Select the power down mode */
#define PHY_ISOLATE ((uint16_t)0x0400U) /*!< Isolate PHY from MII */
#define PHY_RESET ((uint16_t)0x8000U) /*!< PHY Reset */
#define PHY_LOOPBACK ((uint16_t)0x4000U) /*!< Select loop-back mode */
#define PHY_FULLDUPLEX_100M ((uint16_t)0x2100U) /*!< Set the full-duplex mode at 100 Mb/s */
#define PHY_HALFDUPLEX_100M ((uint16_t)0x2000U) /*!< Set the half-duplex mode at 100 Mb/s */
#define PHY_FULLDUPLEX_10M ((uint16_t)0x0100U) /*!< Set the full-duplex mode at 10 Mb/s */
#define PHY_HALFDUPLEX_10M ((uint16_t)0x0000U) /*!< Set the half-duplex mode at 10 Mb/s */
#define PHY_AUTONEGOTIATION ((uint16_t)0x1000U) /*!< Enable auto-negotiation function */
#define PHY_RESTART_AUTONEGOTIATION ((uint16_t)0x0200U) /*!< Restart auto-negotiation function */
#define PHY_POWERDOWN ((uint16_t)0x0800U) /*!< Select the power down mode */
#define PHY_ISOLATE ((uint16_t)0x0400U) /*!< Isolate PHY from MII */
#define PHY_AUTONEGO_COMPLETE ((uint16_t)0x0020U) /*!< Auto-Negotiation process completed */
#define PHY_LINKED_STATUS ((uint16_t)0x0004U) /*!< Valid link established */
#define PHY_JABBER_DETECTION ((uint16_t)0x0002U) /*!< Jabber condition detected */
#define PHY_AUTONEGO_COMPLETE ((uint16_t)0x0020U) /*!< Auto-Negotiation process completed */
#define PHY_LINKED_STATUS ((uint16_t)0x0004U) /*!< Valid link established */
#define PHY_JABBER_DETECTION ((uint16_t)0x0002U) /*!< Jabber condition detected */
/* Section 4: Extended PHY Registers */
#define PHY_SR ((uint16_t)) /*!< PHY status register Offset */
#define PHY_SR ((uint16_t)) /*!< PHY status register Offset */
#define PHY_SPEED_STATUS ((uint16_t)) /*!< PHY Speed mask */
#define PHY_DUPLEX_STATUS ((uint16_t)) /*!< PHY Duplex mask */
#define PHY_SPEED_STATUS ((uint16_t)) /*!< PHY Speed mask */
#define PHY_DUPLEX_STATUS ((uint16_t)) /*!< PHY Duplex mask */
/* ################## SPI peripheral configuration ########################## */
@@ -264,7 +264,7 @@
* Deactivated: CRC code cleaned from driver
*/
#define USE_SPI_CRC 0U
#define USE_SPI_CRC 0U
/* Includes ------------------------------------------------------------------*/
/**
@@ -272,207 +272,207 @@
*/
#ifdef HAL_RCC_MODULE_ENABLED
#include "stm32f4xx_hal_rcc.h"
#include "stm32f4xx_hal_rcc.h"
#endif /* HAL_RCC_MODULE_ENABLED */
#ifdef HAL_GPIO_MODULE_ENABLED
#include "stm32f4xx_hal_gpio.h"
#include "stm32f4xx_hal_gpio.h"
#endif /* HAL_GPIO_MODULE_ENABLED */
#ifdef HAL_EXTI_MODULE_ENABLED
#include "stm32f4xx_hal_exti.h"
#include "stm32f4xx_hal_exti.h"
#endif /* HAL_EXTI_MODULE_ENABLED */
#ifdef HAL_DMA_MODULE_ENABLED
#include "stm32f4xx_hal_dma.h"
#include "stm32f4xx_hal_dma.h"
#endif /* HAL_DMA_MODULE_ENABLED */
#ifdef HAL_CORTEX_MODULE_ENABLED
#include "stm32f4xx_hal_cortex.h"
#include "stm32f4xx_hal_cortex.h"
#endif /* HAL_CORTEX_MODULE_ENABLED */
#ifdef HAL_ADC_MODULE_ENABLED
#include "stm32f4xx_hal_adc.h"
#include "stm32f4xx_hal_adc.h"
#endif /* HAL_ADC_MODULE_ENABLED */
#ifdef HAL_CAN_MODULE_ENABLED
#include "stm32f4xx_hal_can.h"
#include "stm32f4xx_hal_can.h"
#endif /* HAL_CAN_MODULE_ENABLED */
#ifdef HAL_CAN_LEGACY_MODULE_ENABLED
#include "stm32f4xx_hal_can_legacy.h"
#include "stm32f4xx_hal_can_legacy.h"
#endif /* HAL_CAN_LEGACY_MODULE_ENABLED */
#ifdef HAL_CRC_MODULE_ENABLED
#include "stm32f4xx_hal_crc.h"
#include "stm32f4xx_hal_crc.h"
#endif /* HAL_CRC_MODULE_ENABLED */
#ifdef HAL_CRYP_MODULE_ENABLED
#include "stm32f4xx_hal_cryp.h"
#include "stm32f4xx_hal_cryp.h"
#endif /* HAL_CRYP_MODULE_ENABLED */
#ifdef HAL_DMA2D_MODULE_ENABLED
#include "stm32f4xx_hal_dma2d.h"
#include "stm32f4xx_hal_dma2d.h"
#endif /* HAL_DMA2D_MODULE_ENABLED */
#ifdef HAL_DAC_MODULE_ENABLED
#include "stm32f4xx_hal_dac.h"
#include "stm32f4xx_hal_dac.h"
#endif /* HAL_DAC_MODULE_ENABLED */
#ifdef HAL_DCMI_MODULE_ENABLED
#include "stm32f4xx_hal_dcmi.h"
#include "stm32f4xx_hal_dcmi.h"
#endif /* HAL_DCMI_MODULE_ENABLED */
#ifdef HAL_ETH_MODULE_ENABLED
#include "stm32f4xx_hal_eth.h"
#include "stm32f4xx_hal_eth.h"
#endif /* HAL_ETH_MODULE_ENABLED */
#ifdef HAL_ETH_LEGACY_MODULE_ENABLED
#include "stm32f4xx_hal_eth_legacy.h"
#include "stm32f4xx_hal_eth_legacy.h"
#endif /* HAL_ETH_LEGACY_MODULE_ENABLED */
#ifdef HAL_FLASH_MODULE_ENABLED
#include "stm32f4xx_hal_flash.h"
#include "stm32f4xx_hal_flash.h"
#endif /* HAL_FLASH_MODULE_ENABLED */
#ifdef HAL_SRAM_MODULE_ENABLED
#include "stm32f4xx_hal_sram.h"
#include "stm32f4xx_hal_sram.h"
#endif /* HAL_SRAM_MODULE_ENABLED */
#ifdef HAL_NOR_MODULE_ENABLED
#include "stm32f4xx_hal_nor.h"
#include "stm32f4xx_hal_nor.h"
#endif /* HAL_NOR_MODULE_ENABLED */
#ifdef HAL_NAND_MODULE_ENABLED
#include "stm32f4xx_hal_nand.h"
#include "stm32f4xx_hal_nand.h"
#endif /* HAL_NAND_MODULE_ENABLED */
#ifdef HAL_PCCARD_MODULE_ENABLED
#include "stm32f4xx_hal_pccard.h"
#include "stm32f4xx_hal_pccard.h"
#endif /* HAL_PCCARD_MODULE_ENABLED */
#ifdef HAL_SDRAM_MODULE_ENABLED
#include "stm32f4xx_hal_sdram.h"
#include "stm32f4xx_hal_sdram.h"
#endif /* HAL_SDRAM_MODULE_ENABLED */
#ifdef HAL_HASH_MODULE_ENABLED
#include "stm32f4xx_hal_hash.h"
#include "stm32f4xx_hal_hash.h"
#endif /* HAL_HASH_MODULE_ENABLED */
#ifdef HAL_I2C_MODULE_ENABLED
#include "stm32f4xx_hal_i2c.h"
#include "stm32f4xx_hal_i2c.h"
#endif /* HAL_I2C_MODULE_ENABLED */
#ifdef HAL_SMBUS_MODULE_ENABLED
#include "stm32f4xx_hal_smbus.h"
#include "stm32f4xx_hal_smbus.h"
#endif /* HAL_SMBUS_MODULE_ENABLED */
#ifdef HAL_I2S_MODULE_ENABLED
#include "stm32f4xx_hal_i2s.h"
#include "stm32f4xx_hal_i2s.h"
#endif /* HAL_I2S_MODULE_ENABLED */
#ifdef HAL_IWDG_MODULE_ENABLED
#include "stm32f4xx_hal_iwdg.h"
#include "stm32f4xx_hal_iwdg.h"
#endif /* HAL_IWDG_MODULE_ENABLED */
#ifdef HAL_LTDC_MODULE_ENABLED
#include "stm32f4xx_hal_ltdc.h"
#include "stm32f4xx_hal_ltdc.h"
#endif /* HAL_LTDC_MODULE_ENABLED */
#ifdef HAL_PWR_MODULE_ENABLED
#include "stm32f4xx_hal_pwr.h"
#include "stm32f4xx_hal_pwr.h"
#endif /* HAL_PWR_MODULE_ENABLED */
#ifdef HAL_RNG_MODULE_ENABLED
#include "stm32f4xx_hal_rng.h"
#include "stm32f4xx_hal_rng.h"
#endif /* HAL_RNG_MODULE_ENABLED */
#ifdef HAL_RTC_MODULE_ENABLED
#include "stm32f4xx_hal_rtc.h"
#include "stm32f4xx_hal_rtc.h"
#endif /* HAL_RTC_MODULE_ENABLED */
#ifdef HAL_SAI_MODULE_ENABLED
#include "stm32f4xx_hal_sai.h"
#include "stm32f4xx_hal_sai.h"
#endif /* HAL_SAI_MODULE_ENABLED */
#ifdef HAL_SD_MODULE_ENABLED
#include "stm32f4xx_hal_sd.h"
#include "stm32f4xx_hal_sd.h"
#endif /* HAL_SD_MODULE_ENABLED */
#ifdef HAL_SPI_MODULE_ENABLED
#include "stm32f4xx_hal_spi.h"
#include "stm32f4xx_hal_spi.h"
#endif /* HAL_SPI_MODULE_ENABLED */
#ifdef HAL_TIM_MODULE_ENABLED
#include "stm32f4xx_hal_tim.h"
#include "stm32f4xx_hal_tim.h"
#endif /* HAL_TIM_MODULE_ENABLED */
#ifdef HAL_UART_MODULE_ENABLED
#include "stm32f4xx_hal_uart.h"
#include "stm32f4xx_hal_uart.h"
#endif /* HAL_UART_MODULE_ENABLED */
#ifdef HAL_USART_MODULE_ENABLED
#include "stm32f4xx_hal_usart.h"
#include "stm32f4xx_hal_usart.h"
#endif /* HAL_USART_MODULE_ENABLED */
#ifdef HAL_IRDA_MODULE_ENABLED
#include "stm32f4xx_hal_irda.h"
#include "stm32f4xx_hal_irda.h"
#endif /* HAL_IRDA_MODULE_ENABLED */
#ifdef HAL_SMARTCARD_MODULE_ENABLED
#include "stm32f4xx_hal_smartcard.h"
#include "stm32f4xx_hal_smartcard.h"
#endif /* HAL_SMARTCARD_MODULE_ENABLED */
#ifdef HAL_WWDG_MODULE_ENABLED
#include "stm32f4xx_hal_wwdg.h"
#include "stm32f4xx_hal_wwdg.h"
#endif /* HAL_WWDG_MODULE_ENABLED */
#ifdef HAL_PCD_MODULE_ENABLED
#include "stm32f4xx_hal_pcd.h"
#include "stm32f4xx_hal_pcd.h"
#endif /* HAL_PCD_MODULE_ENABLED */
#ifdef HAL_HCD_MODULE_ENABLED
#include "stm32f4xx_hal_hcd.h"
#include "stm32f4xx_hal_hcd.h"
#endif /* HAL_HCD_MODULE_ENABLED */
#ifdef HAL_DSI_MODULE_ENABLED
#include "stm32f4xx_hal_dsi.h"
#include "stm32f4xx_hal_dsi.h"
#endif /* HAL_DSI_MODULE_ENABLED */
#ifdef HAL_QSPI_MODULE_ENABLED
#include "stm32f4xx_hal_qspi.h"
#include "stm32f4xx_hal_qspi.h"
#endif /* HAL_QSPI_MODULE_ENABLED */
#ifdef HAL_CEC_MODULE_ENABLED
#include "stm32f4xx_hal_cec.h"
#include "stm32f4xx_hal_cec.h"
#endif /* HAL_CEC_MODULE_ENABLED */
#ifdef HAL_FMPI2C_MODULE_ENABLED
#include "stm32f4xx_hal_fmpi2c.h"
#include "stm32f4xx_hal_fmpi2c.h"
#endif /* HAL_FMPI2C_MODULE_ENABLED */
#ifdef HAL_FMPSMBUS_MODULE_ENABLED
#include "stm32f4xx_hal_fmpsmbus.h"
#include "stm32f4xx_hal_fmpsmbus.h"
#endif /* HAL_FMPSMBUS_MODULE_ENABLED */
#ifdef HAL_SPDIFRX_MODULE_ENABLED
#include "stm32f4xx_hal_spdifrx.h"
#include "stm32f4xx_hal_spdifrx.h"
#endif /* HAL_SPDIFRX_MODULE_ENABLED */
#ifdef HAL_DFSDM_MODULE_ENABLED
#include "stm32f4xx_hal_dfsdm.h"
#include "stm32f4xx_hal_dfsdm.h"
#endif /* HAL_DFSDM_MODULE_ENABLED */
#ifdef HAL_LPTIM_MODULE_ENABLED
#include "stm32f4xx_hal_lptim.h"
#include "stm32f4xx_hal_lptim.h"
#endif /* HAL_LPTIM_MODULE_ENABLED */
#ifdef HAL_MMC_MODULE_ENABLED
#include "stm32f4xx_hal_mmc.h"
#include "stm32f4xx_hal_mmc.h"
#endif /* HAL_MMC_MODULE_ENABLED */
/* Exported macro ------------------------------------------------------------*/
#ifdef USE_FULL_ASSERT
#ifdef USE_FULL_ASSERT
/**
* @brief The assert_param macro is used for function's parameters check.
* @param expr If expr is false, it calls assert_failed function
@@ -481,11 +481,11 @@
* If expr is true, it returns no value.
* @retval None
*/
#define assert_param(expr) ((expr) ? (void)0U : assert_failed((uint8_t *)__FILE__, __LINE__))
#define assert_param(expr) ((expr) ? (void)0U : assert_failed((uint8_t*)__FILE__, __LINE__))
/* Exported functions ------------------------------------------------------- */
void assert_failed(uint8_t* file, uint32_t line);
void assert_failed(uint8_t* file, uint32_t line);
#else
#define assert_param(expr) ((void)0U)
#define assert_param(expr) ((void)0U)
#endif /* USE_FULL_ASSERT */
#ifdef __cplusplus

3
Core/Inc/usart.hpp
View File

@@ -1,7 +1,5 @@
#pragma once
#include <ranges>
#include <sstream>
#include <string_view>
#include "stm32f401xe.h"
@@ -10,7 +8,6 @@
namespace driver::usart {
constexpr const uint8_t TX_BUFSIZE{20};
constexpr const uint8_t TX_TIMEOUT_MS{200};
class Usart {

77
Core/Src/i2c.cpp Normal file
View File

@@ -0,0 +1,77 @@
#include "i2c.hpp"
#include "pindef.hpp"
#include "stm32f4xx_hal_i2c.h"
namespace driver::i2c {
I2c::I2c(I2C_TypeDef* i2c, const uint32_t clockSpeed, const uint32_t dutyCycle,
const uint32_t ownAddress1, const uint32_t addressingMode, const uint32_t dualAddressMode,
const uint32_t ownAddress2, const uint32_t generalCallMode, const uint32_t noStretchMode)
: mHandle{.Instance = i2c,
.Init{.ClockSpeed = clockSpeed,
.DutyCycle = dutyCycle,
.OwnAddress1 = ownAddress1,
.AddressingMode = addressingMode,
.DualAddressMode = dualAddressMode,
.OwnAddress2 = ownAddress2,
.GeneralCallMode = generalCallMode,
.NoStretchMode = noStretchMode},
.pBuffPtr = nullptr,
.XferSize = 0,
.XferCount = 0,
.XferOptions = 0,
.PreviousState = 0,
.hdmatx = nullptr,
.hdmarx = nullptr,
.Lock = HAL_UNLOCKED,
.State = HAL_I2C_STATE_RESET,
.Mode = HAL_I2C_MODE_NONE,
.ErrorCode = HAL_I2C_ERROR_NONE,
.Devaddress = 0,
.Memaddress = 0,
.MemaddSize = 0,
.EventCount = 0} {}
bool I2c::init() {
GPIO_InitTypeDef GPIO_InitStruct = {0};
if (mHandle.Instance == I2C1) {
__HAL_RCC_GPIOB_CLK_ENABLE();
/**I2C1 GPIO Configuration
PB6 ------> I2C1_SCL
PB7 ------> I2C1_SDA
*/
GPIO_InitStruct.Pin = GPIO_PIN_6 | GPIO_PIN_7;
GPIO_InitStruct.Mode = GPIO_MODE_AF_OD;
GPIO_InitStruct.Pull = GPIO_PULLUP;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
GPIO_InitStruct.Alternate = GPIO_AF4_I2C1;
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
__HAL_RCC_I2C1_CLK_ENABLE();
}
return HAL_I2C_Init(&mHandle) == HAL_OK;
}
void I2c::deinit() {}
HAL_StatusTypeDef I2c::write(const uint16_t slaveAddr, const uint16_t memAddr,
std::vector<uint8_t>& data) {
// Slave address needs to be shifted to the left, so that the r/w bit can be set by the HAL method
// Addressing mode for slaves is fixed to 8bit for now...
return HAL_I2C_Mem_Write(&mHandle, slaveAddr << 1, memAddr, I2C_MEMADD_SIZE_8BIT, data.data(),
data.size(), I2C_TIMEOUT_MS);
}
std::pair<HAL_StatusTypeDef, uint8_t> I2c::read(const uint16_t slaveAddr, const uint16_t memAddr) {
uint8_t data;
// Slave address needs to be shifted to the left, so that the r/w bit can be set by the HAL method
auto state = HAL_I2C_Mem_Read(&mHandle, slaveAddr << 1, memAddr, I2C_MEMADD_SIZE_8BIT, &data, 1,
I2C_TIMEOUT_MS);
return {state, data};
}
uint32_t I2c::getLastError() {
return mHandle.ErrorCode;
}
} // namespace driver::i2c

110
Core/Src/main.cpp
View File

@@ -1,12 +1,22 @@
#include "main.h"
#include <cstdlib>
#include <cstdint>
#include <memory>
#include <string>
#include "gpio.h"
#include "i2c.hpp"
#include "stm32_hal_legacy.h"
#include "stm32f4xx_hal.h"
#include "stm32f4xx_hal_def.h"
#include "stm32f4xx_hal_i2c.h"
#include "usart.hpp"
// needs to be global to be accessible in error handler
std::unique_ptr<driver::usart::Usart> usart2{nullptr};
void SystemClock_Config(void);
void checkHalStatus(HAL_StatusTypeDef);
int main(void) {
@@ -19,20 +29,85 @@ int main(void) {
/* Initialize all configured peripherals */
MX_GPIO_Init();
driver::usart::Usart usart2(USART2, 115200, UART_WORDLENGTH_8B, UART_STOPBITS_1,
UART_PARITY_NONE, UART_MODE_TX_RX, UART_HWCONTROL_NONE,
UART_OVERSAMPLING_16);
usart2 = std::make_unique<driver::usart::Usart>(
driver::usart::Usart(USART2, 115200, UART_WORDLENGTH_8B, UART_STOPBITS_1, UART_PARITY_NONE,
UART_MODE_TX_RX, UART_HWCONTROL_NONE, UART_OVERSAMPLING_16));
usart2.init();
usart2.println("");
usart2.println("\r\nWeight cell init.");
usart2->init();
usart2->println("");
usart2->println("\r\nWeight cell init.");
int i{0};
auto i2c1 = std::make_unique<driver::i2c::I2c>(
I2C1, 100000, I2C_DUTYCYCLE_2, 0x00, I2C_ADDRESSINGMODE_7BIT, I2C_DUALADDRESS_DISABLED,
0x00, I2C_GENERALCALL_DISABLED, I2C_NOSTRETCH_DISABLED);
if (!i2c1->init()) {
usart2->println("Error intializing I2C1!");
usart2->println("Last Error: " + std::to_string(i2c1->getLastError()));
Error_Handler();
} else {
usart2->println("I2C1 intialized successful");
}
// init NAU7802
{
std::vector<uint8_t> data = {0x01};
// reset NAU7802
checkHalStatus(i2c1->write(0x2A, 0x00, data));
usart2->println("Reset nau");
HAL_Delay(100);
// power up digital logic
data[0] = 0x02;
i2c1->write(0x2A, 0x00, data);
HAL_Delay(100);
usart2->println("PUP digi");
// power up analog logic
data[0] = 0x06;
i2c1->write(0x2A, 0x00, data);
HAL_Delay(100);
usart2->println("PUP analog");
// use internal LDO as reference
data[0] = 0x86;
checkHalStatus(i2c1->write(0x2A, 0x00, data));
HAL_Delay(100);
// print status back to usart
auto ret = i2c1->read(0x2A, 0x00);
checkHalStatus(ret.first);
usart2->println("NAU7802 reports state " + std::to_string(ret.second) + " at 0x00");
// REG_CHPS CLK_CHP off
data[0] = 0x30;
checkHalStatus(i2c1->write(0x2A, 0x15, data));
HAL_Delay(100);
}
uint32_t measurement = 0;
auto val = i2c1->read(0x2A, 0x12);
measurement |= (val.second << 16);
val = i2c1->read(0x2A, 0x13);
measurement |= (val.second << 8);
val = i2c1->read(0x2A, 0x14);
measurement |= val.second << 16;
while (1) {
std::string buf{"Iteration #"};
measurement = 0;
val = i2c1->read(0x2A, 0x12);
measurement |= (val.second << 16);
val = i2c1->read(0x2A, 0x13);
measurement |= (val.second << 8);
val = i2c1->read(0x2A, 0x14);
measurement |= val.second << 16;
usart2->println("Measurement " + std::to_string(measurement) + " counts");
usart2.println(buf + std::to_string(i++));
HAL_Delay(1000);
}
}
@@ -75,6 +150,17 @@ void SystemClock_Config(void) {
}
}
void checkHalStatus(HAL_StatusTypeDef status) {
if (status == HAL_OK) {
return;
}
if (usart2 == nullptr) {
Error_Handler();
return; // never reached
}
usart2->println("HAL Status not okay! Calling Error Handler");
}
/**
* @brief This function is executed in case of error occurrence.
* @retval None
@@ -82,6 +168,10 @@ void SystemClock_Config(void) {
void Error_Handler(void) {
/* USER CODE BEGIN Error_Handler_Debug */
/* User can add his own implementation to report the HAL error return state */
if (usart2 != nullptr) {
usart2->println("=== ERROR HANDLER ===");
usart2->println("entering infinite loop...");
}
__disable_irq();
while (1) {}
/* USER CODE END Error_Handler_Debug */

43
Core/Src/usart.cpp
View File

@@ -12,13 +12,29 @@ namespace driver::usart {
Usart::Usart(USART_TypeDef* usart, uint32_t baudRate, uint32_t wordLength, uint32_t stopBits,
uint32_t parity, uint32_t mode, uint32_t hwFlowCtl, uint32_t overSampling)
: mHandle{.Instance = usart,
.Init{.BaudRate = baudRate,
.WordLength = wordLength,
.StopBits = stopBits,
.Parity = parity,
.Mode = mode,
.HwFlowCtl = hwFlowCtl,
.OverSampling = overSampling}} {}
.Init{
.BaudRate = baudRate,
.WordLength = wordLength,
.StopBits = stopBits,
.Parity = parity,
.Mode = mode,
.HwFlowCtl = hwFlowCtl,
.OverSampling = overSampling,
},
.pTxBuffPtr = nullptr,
.TxXferSize = 0,
.TxXferCount = 0,
.pRxBuffPtr = nullptr,
.RxXferSize = 0,
.RxXferCount = 0,
.ReceptionType = HAL_UART_RECEPTION_STANDARD,
.RxEventType = HAL_UART_RXEVENT_TC,
.hdmatx = nullptr,
.hdmarx = nullptr,
.Lock = HAL_UNLOCKED,
.gState = HAL_UART_STATE_RESET,
.RxState = HAL_UART_STATE_RESET,
.ErrorCode = 0} {}
bool Usart::init() {
GPIO_InitTypeDef GPIO_InitStruct;
@@ -38,7 +54,7 @@ bool Usart::init() {
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
}
return HAL_UART_Init(&mHandle) != HAL_OK;
return HAL_UART_Init(&mHandle) == HAL_OK;
}
void Usart::deinit() {
@@ -60,14 +76,9 @@ void Usart::println(const std::string_view str) {
}
void Usart::tx(const std::string_view range) {
for (uint32_t pt{0}; pt <= range.size(); pt += TX_BUFSIZE) {
uint8_t txLen{TX_BUFSIZE};
if (range.length() < TX_BUFSIZE) {
txLen = range.length();
}
HAL_UART_Transmit(&mHandle, reinterpret_cast<const uint8_t*>(range.begin() + pt), txLen,
TX_TIMEOUT_MS);
}
HAL_UART_Transmit(&mHandle, reinterpret_cast<const uint8_t*>(range.begin()), range.size(),
TX_TIMEOUT_MS);
};
} // namespace driver::usart