/** ****************************************************************************** * @file spi.c * @brief This file provides code for the configuration * of the SPI instances. ****************************************************************************** * @attention * *

© Copyright (c) 2020 STMicroelectronics. * All rights reserved.

* * This software component is licensed by ST under Ultimate Liberty license * SLA0044, the "License"; You may not use this file except in compliance with * the License. You may obtain a copy of the License at: * www.st.com/SLA0044 * ****************************************************************************** */ /* Includes ------------------------------------------------------------------*/ #include "spi.h" /* USER CODE BEGIN 0 */ void Enable_SPI(SPI_HandleTypeDef* spi); /* USER CODE END 0 */ SPI_HandleTypeDef hspi1; SPI_HandleTypeDef hspi2; /* SPI1 init function */ void MX_SPI1_Init(void) { hspi1.Instance = SPI1; hspi1.Init.Mode = SPI_MODE_MASTER; hspi1.Init.Direction = SPI_DIRECTION_2LINES; hspi1.Init.DataSize = SPI_DATASIZE_8BIT; hspi1.Init.CLKPolarity = SPI_POLARITY_LOW; hspi1.Init.CLKPhase = SPI_PHASE_2EDGE; hspi1.Init.NSS = SPI_NSS_SOFT; hspi1.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_16; hspi1.Init.FirstBit = SPI_FIRSTBIT_MSB; hspi1.Init.TIMode = SPI_TIMODE_DISABLE; hspi1.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE; hspi1.Init.CRCPolynomial = 7; hspi1.Init.CRCLength = SPI_CRC_LENGTH_DATASIZE; hspi1.Init.NSSPMode = SPI_NSS_PULSE_DISABLE; if (HAL_SPI_Init(&hspi1) != HAL_OK) { Error_Handler(); } } /* SPI2 init function */ void MX_SPI2_Init(void) { hspi2.Instance = SPI2; hspi2.Init.Mode = SPI_MODE_MASTER; hspi2.Init.Direction = SPI_DIRECTION_2LINES; hspi2.Init.DataSize = SPI_DATASIZE_8BIT; hspi2.Init.CLKPolarity = SPI_POLARITY_LOW; hspi2.Init.CLKPhase = SPI_PHASE_1EDGE; hspi2.Init.NSS = SPI_NSS_SOFT; hspi2.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_16; hspi2.Init.FirstBit = SPI_FIRSTBIT_MSB; hspi2.Init.TIMode = SPI_TIMODE_DISABLE; hspi2.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE; hspi2.Init.CRCPolynomial = 7; hspi2.Init.CRCLength = SPI_CRC_LENGTH_DATASIZE; hspi2.Init.NSSPMode = SPI_NSS_PULSE_ENABLE; if (HAL_SPI_Init(&hspi2) != HAL_OK) { Error_Handler(); } } void HAL_SPI_MspInit(SPI_HandleTypeDef* spiHandle) { GPIO_InitTypeDef GPIO_InitStruct = {0}; if(spiHandle->Instance==SPI1) { /* USER CODE BEGIN SPI1_MspInit 0 */ /* USER CODE END SPI1_MspInit 0 */ /* SPI1 clock enable */ __HAL_RCC_SPI1_CLK_ENABLE(); __HAL_RCC_GPIOB_CLK_ENABLE(); /**SPI1 GPIO Configuration PB3 ------> SPI1_SCK PB4 ------> SPI1_MISO PB5 ------> SPI1_MOSI */ GPIO_InitStruct.Pin = SPI_R_SCK_Pin|SPI_R_MISO_Pin|SPI_R_MOSI_Pin; GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; GPIO_InitStruct.Pull = GPIO_NOPULL; GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW; GPIO_InitStruct.Alternate = GPIO_AF5_SPI1; HAL_GPIO_Init(GPIOB, &GPIO_InitStruct); /* USER CODE BEGIN SPI1_MspInit 1 */ // SD Card need faster spi gpio GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH; HAL_GPIO_Init(GPIOB, &GPIO_InitStruct); /* USER CODE END SPI1_MspInit 1 */ } else if(spiHandle->Instance==SPI2) { /* USER CODE BEGIN SPI2_MspInit 0 */ /* USER CODE END SPI2_MspInit 0 */ /* SPI2 clock enable */ __HAL_RCC_SPI2_CLK_ENABLE(); __HAL_RCC_GPIOB_CLK_ENABLE(); __HAL_RCC_GPIOD_CLK_ENABLE(); /**SPI2 GPIO Configuration PB15 ------> SPI2_MOSI PD1 ------> SPI2_SCK */ GPIO_InitStruct.Pin = SPI_D_MOSI_Pin; GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; GPIO_InitStruct.Pull = GPIO_NOPULL; GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW; GPIO_InitStruct.Alternate = GPIO_AF5_SPI2; HAL_GPIO_Init(SPI_D_MOSI_GPIO_Port, &GPIO_InitStruct); GPIO_InitStruct.Pin = SPI_D_SCK_Pin; GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; GPIO_InitStruct.Pull = GPIO_NOPULL; GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW; GPIO_InitStruct.Alternate = GPIO_AF5_SPI2; HAL_GPIO_Init(SPI_D_SCK_GPIO_Port, &GPIO_InitStruct); /* USER CODE BEGIN SPI2_MspInit 1 */ /* USER CODE END SPI2_MspInit 1 */ } } void HAL_SPI_MspDeInit(SPI_HandleTypeDef* spiHandle) { if(spiHandle->Instance==SPI1) { /* USER CODE BEGIN SPI1_MspDeInit 0 */ /* USER CODE END SPI1_MspDeInit 0 */ /* Peripheral clock disable */ __HAL_RCC_SPI1_CLK_DISABLE(); /**SPI1 GPIO Configuration PB3 ------> SPI1_SCK PB4 ------> SPI1_MISO PB5 ------> SPI1_MOSI */ HAL_GPIO_DeInit(GPIOB, SPI_R_SCK_Pin|SPI_R_MISO_Pin|SPI_R_MOSI_Pin); /* USER CODE BEGIN SPI1_MspDeInit 1 */ /* USER CODE END SPI1_MspDeInit 1 */ } else if(spiHandle->Instance==SPI2) { /* USER CODE BEGIN SPI2_MspDeInit 0 */ /* USER CODE END SPI2_MspDeInit 0 */ /* Peripheral clock disable */ __HAL_RCC_SPI2_CLK_DISABLE(); /**SPI2 GPIO Configuration PB15 ------> SPI2_MOSI PD1 ------> SPI2_SCK */ HAL_GPIO_DeInit(SPI_D_MOSI_GPIO_Port, SPI_D_MOSI_Pin); HAL_GPIO_DeInit(SPI_D_SCK_GPIO_Port, SPI_D_SCK_Pin); /* USER CODE BEGIN SPI2_MspDeInit 1 */ /* USER CODE END SPI2_MspDeInit 1 */ } } /* USER CODE BEGIN 1 */ void NFC_SPI_Reconfigure() { osKernelLock(); SPI_R.Init.Mode = SPI_MODE_MASTER; SPI_R.Init.Direction = SPI_DIRECTION_2LINES; SPI_R.Init.DataSize = SPI_DATASIZE_8BIT; SPI_R.Init.CLKPolarity = SPI_POLARITY_LOW; SPI_R.Init.CLKPhase = SPI_PHASE_2EDGE; SPI_R.Init.NSS = SPI_NSS_SOFT; SPI_R.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_8; // 8mhz, 10mhz is max SPI_R.Init.FirstBit = SPI_FIRSTBIT_MSB; SPI_R.Init.TIMode = SPI_TIMODE_DISABLE; SPI_R.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE; SPI_R.Init.CRCPolynomial = 7; SPI_R.Init.CRCLength = SPI_CRC_LENGTH_DATASIZE; SPI_R.Init.NSSPMode = SPI_NSS_PULSE_DISABLE; if (HAL_SPI_Init(&SPI_R) != HAL_OK) { Error_Handler(); } Enable_SPI(&SPI_R); osKernelUnlock(); } void SD_SPI_Reconfigure_Slow(void) { osKernelLock(); SPI_SD_HANDLE.Init.Mode = SPI_MODE_MASTER; SPI_SD_HANDLE.Init.Direction = SPI_DIRECTION_2LINES; SPI_SD_HANDLE.Init.DataSize = SPI_DATASIZE_8BIT; SPI_SD_HANDLE.Init.CLKPolarity = SPI_POLARITY_LOW; SPI_SD_HANDLE.Init.CLKPhase = SPI_PHASE_1EDGE; SPI_SD_HANDLE.Init.NSS = SPI_NSS_SOFT; SPI_SD_HANDLE.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_256; SPI_SD_HANDLE.Init.FirstBit = SPI_FIRSTBIT_MSB; SPI_SD_HANDLE.Init.TIMode = SPI_TIMODE_DISABLE; SPI_SD_HANDLE.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE; SPI_SD_HANDLE.Init.CRCPolynomial = 7; SPI_SD_HANDLE.Init.CRCLength = SPI_CRC_LENGTH_DATASIZE; SPI_SD_HANDLE.Init.NSSPMode = SPI_NSS_PULSE_ENABLE; if(HAL_SPI_Init(&SPI_SD_HANDLE) != HAL_OK) { Error_Handler(); } Enable_SPI(&SPI_SD_HANDLE); osKernelUnlock(); } void SD_SPI_Reconfigure_Fast(void) { osKernelLock(); SPI_SD_HANDLE.Init.Mode = SPI_MODE_MASTER; SPI_SD_HANDLE.Init.Direction = SPI_DIRECTION_2LINES; SPI_SD_HANDLE.Init.DataSize = SPI_DATASIZE_8BIT; SPI_SD_HANDLE.Init.CLKPolarity = SPI_POLARITY_LOW; SPI_SD_HANDLE.Init.CLKPhase = SPI_PHASE_1EDGE; SPI_SD_HANDLE.Init.NSS = SPI_NSS_SOFT; SPI_SD_HANDLE.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_2; SPI_SD_HANDLE.Init.FirstBit = SPI_FIRSTBIT_MSB; SPI_SD_HANDLE.Init.TIMode = SPI_TIMODE_DISABLE; SPI_SD_HANDLE.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE; SPI_SD_HANDLE.Init.CRCPolynomial = 7; SPI_SD_HANDLE.Init.CRCLength = SPI_CRC_LENGTH_DATASIZE; SPI_SD_HANDLE.Init.NSSPMode = SPI_NSS_PULSE_ENABLE; if(HAL_SPI_Init(&SPI_SD_HANDLE) != HAL_OK) { Error_Handler(); } Enable_SPI(&SPI_SD_HANDLE); osKernelUnlock(); } void CC1101_SPI_Reconfigure(void) { osKernelLock(); SPI_R.Init.Mode = SPI_MODE_MASTER; SPI_R.Init.Direction = SPI_DIRECTION_2LINES; SPI_R.Init.DataSize = SPI_DATASIZE_8BIT; SPI_R.Init.CLKPolarity = SPI_POLARITY_LOW; SPI_R.Init.CLKPhase = SPI_PHASE_1EDGE; SPI_R.Init.NSS = SPI_NSS_SOFT; SPI_R.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_64; SPI_R.Init.FirstBit = SPI_FIRSTBIT_MSB; SPI_R.Init.TIMode = SPI_TIMODE_DISABLE; SPI_R.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE; SPI_R.Init.CRCPolynomial = 7; SPI_R.Init.CRCLength = SPI_CRC_LENGTH_DATASIZE; SPI_R.Init.NSSPMode = SPI_NSS_PULSE_DISABLE; if(HAL_SPI_Init(&SPI_R) != HAL_OK) { Error_Handler(); } Enable_SPI(&SPI_R); osKernelUnlock(); } void Enable_SPI(SPI_HandleTypeDef* spi_instance){ if((spi_instance->Instance->CR1 & SPI_CR1_SPE) != SPI_CR1_SPE) { __HAL_SPI_ENABLE(spi_instance); } } /* USER CODE END 1 */ /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/