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- /**
- * Marlin 3D Printer Firmware
- * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
- *
- * Based on Sprinter and grbl.
- * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <https://www.gnu.org/licenses/>.
- *
- */
-
- #include "../platforms.h"
-
- #ifdef HAL_STM32
-
- #include "../../inc/MarlinConfig.h"
-
- #if ENABLED(SDIO_SUPPORT)
-
- #include "sdio.h"
-
- #include <stdint.h>
- #include <stdbool.h>
-
- // use local drivers
- #if defined(STM32F103xE) || defined(STM32F103xG)
- #include <stm32f1xx.h>
- #elif defined(STM32F4xx)
- #include <stm32f4xx.h>
- #elif defined(STM32F7xx)
- #include <stm32f7xx.h>
- #elif defined(STM32H7xx)
- #include <stm32h7xx.h>
- #else
- #error "SDIO only supported with STM32F103xE, STM32F103xG, STM32F4xx, STM32F7xx, or STM32H7xx."
- #endif
-
- // Target Clock, configurable. Default is 18MHz, from STM32F1
- #ifndef SDIO_CLOCK
- #define SDIO_CLOCK 18000000 // 18 MHz
- #endif
-
- #define SD_TIMEOUT 1000 // ms
-
- // SDIO Max Clock (naming from STM Manual, don't change)
- #define SDIOCLK 48000000
-
- #if defined(STM32F1xx)
- DMA_HandleTypeDef hdma_sdio;
- extern "C" void DMA2_Channel4_5_IRQHandler(void) {
- HAL_DMA_IRQHandler(&hdma_sdio);
- }
- #elif defined(STM32F4xx)
- DMA_HandleTypeDef hdma_sdio_rx;
- DMA_HandleTypeDef hdma_sdio_tx;
- extern "C" void DMA2_Stream3_IRQHandler(void) {
- HAL_DMA_IRQHandler(&hdma_sdio_rx);
- }
-
- extern "C" void DMA2_Stream6_IRQHandler(void) {
- HAL_DMA_IRQHandler(&hdma_sdio_tx);
- }
- #elif defined(STM32H7xx)
- #define __HAL_RCC_SDIO_FORCE_RESET __HAL_RCC_SDMMC1_FORCE_RESET
- #define __HAL_RCC_SDIO_RELEASE_RESET __HAL_RCC_SDMMC1_RELEASE_RESET
- #define __HAL_RCC_SDIO_CLK_ENABLE __HAL_RCC_SDMMC1_CLK_ENABLE
- #define SDIO SDMMC1
- #define SDIO_IRQn SDMMC1_IRQn
- #define SDIO_IRQHandler SDMMC1_IRQHandler
- #define SDIO_CLOCK_EDGE_RISING SDMMC_CLOCK_EDGE_RISING
- #define SDIO_CLOCK_POWER_SAVE_DISABLE SDMMC_CLOCK_POWER_SAVE_DISABLE
- #define SDIO_BUS_WIDE_1B SDMMC_BUS_WIDE_1B
- #define SDIO_BUS_WIDE_4B SDMMC_BUS_WIDE_4B
- #define SDIO_HARDWARE_FLOW_CONTROL_DISABLE SDMMC_HARDWARE_FLOW_CONTROL_DISABLE
- #endif
-
- uint8_t waitingRxCplt = 0;
- uint8_t waitingTxCplt = 0;
- SD_HandleTypeDef hsd;
-
- extern "C" void SDIO_IRQHandler(void) {
- HAL_SD_IRQHandler(&hsd);
- }
-
- void HAL_SD_TxCpltCallback(SD_HandleTypeDef *hsdio) {
- waitingTxCplt = 0;
- }
-
- void HAL_SD_RxCpltCallback(SD_HandleTypeDef *hsdio) {
- waitingRxCplt = 0;
- }
-
- void HAL_SD_MspInit(SD_HandleTypeDef *hsd) {
- pinmap_pinout(PC_12, PinMap_SD);
- pinmap_pinout(PD_2, PinMap_SD);
- pinmap_pinout(PC_8, PinMap_SD);
- #if PINS_EXIST(SDIO_D1, SDIO_D2, SDIO_D3) // define D1-D3 only if have a four bit wide SDIO bus
- // D1-D3
- pinmap_pinout(PC_9, PinMap_SD);
- pinmap_pinout(PC_10, PinMap_SD);
- pinmap_pinout(PC_11, PinMap_SD);
- #endif
-
- __HAL_RCC_SDIO_CLK_ENABLE();
- HAL_NVIC_EnableIRQ(SDIO_IRQn);
-
- // DMA Config
- #if defined(STM32F1xx)
- __HAL_RCC_DMA2_CLK_ENABLE();
- HAL_NVIC_EnableIRQ(DMA2_Channel4_5_IRQn);
- hdma_sdio.Instance = DMA2_Channel4;
- hdma_sdio.Init.Direction = DMA_PERIPH_TO_MEMORY;
- hdma_sdio.Init.PeriphInc = DMA_PINC_DISABLE;
- hdma_sdio.Init.MemInc = DMA_MINC_ENABLE;
- hdma_sdio.Init.PeriphDataAlignment = DMA_PDATAALIGN_WORD;
- hdma_sdio.Init.MemDataAlignment = DMA_MDATAALIGN_WORD;
- hdma_sdio.Init.Mode = DMA_NORMAL;
- hdma_sdio.Init.Priority = DMA_PRIORITY_LOW;
- HAL_DMA_Init(&hdma_sdio);
-
- __HAL_LINKDMA(hsd, hdmarx ,hdma_sdio);
- __HAL_LINKDMA(hsd, hdmatx, hdma_sdio);
- #elif defined(STM32F4xx)
- __HAL_RCC_DMA2_CLK_ENABLE();
- HAL_NVIC_EnableIRQ(DMA2_Stream3_IRQn);
- HAL_NVIC_EnableIRQ(DMA2_Stream6_IRQn);
- hdma_sdio_rx.Instance = DMA2_Stream3;
- hdma_sdio_rx.Init.Channel = DMA_CHANNEL_4;
- hdma_sdio_rx.Init.Direction = DMA_PERIPH_TO_MEMORY;
- hdma_sdio_rx.Init.PeriphInc = DMA_PINC_DISABLE;
- hdma_sdio_rx.Init.MemInc = DMA_MINC_ENABLE;
- hdma_sdio_rx.Init.PeriphDataAlignment = DMA_PDATAALIGN_WORD;
- hdma_sdio_rx.Init.MemDataAlignment = DMA_MDATAALIGN_WORD;
- hdma_sdio_rx.Init.Mode = DMA_PFCTRL;
- hdma_sdio_rx.Init.Priority = DMA_PRIORITY_LOW;
- hdma_sdio_rx.Init.FIFOMode = DMA_FIFOMODE_ENABLE;
- hdma_sdio_rx.Init.FIFOThreshold = DMA_FIFO_THRESHOLD_FULL;
- hdma_sdio_rx.Init.MemBurst = DMA_MBURST_INC4;
- hdma_sdio_rx.Init.PeriphBurst = DMA_PBURST_INC4;
- HAL_DMA_Init(&hdma_sdio_rx);
-
- __HAL_LINKDMA(hsd,hdmarx,hdma_sdio_rx);
-
- hdma_sdio_tx.Instance = DMA2_Stream6;
- hdma_sdio_tx.Init.Channel = DMA_CHANNEL_4;
- hdma_sdio_tx.Init.Direction = DMA_MEMORY_TO_PERIPH;
- hdma_sdio_tx.Init.PeriphInc = DMA_PINC_DISABLE;
- hdma_sdio_tx.Init.MemInc = DMA_MINC_ENABLE;
- hdma_sdio_tx.Init.PeriphDataAlignment = DMA_PDATAALIGN_WORD;
- hdma_sdio_tx.Init.MemDataAlignment = DMA_MDATAALIGN_WORD;
- hdma_sdio_tx.Init.Mode = DMA_PFCTRL;
- hdma_sdio_tx.Init.Priority = DMA_PRIORITY_LOW;
- hdma_sdio_tx.Init.FIFOMode = DMA_FIFOMODE_ENABLE;
- hdma_sdio_tx.Init.FIFOThreshold = DMA_FIFO_THRESHOLD_FULL;
- hdma_sdio_tx.Init.MemBurst = DMA_MBURST_INC4;
- hdma_sdio_tx.Init.PeriphBurst = DMA_PBURST_INC4;
- HAL_DMA_Init(&hdma_sdio_tx);
-
- __HAL_LINKDMA(hsd,hdmatx,hdma_sdio_tx);
- #endif
- }
-
- void HAL_SD_MspDeInit(SD_HandleTypeDef *hsd) {
- #if !defined(STM32F1xx)
- __HAL_RCC_SDIO_FORCE_RESET();
- delay(10);
- __HAL_RCC_SDIO_RELEASE_RESET();
- delay(10);
- #endif
- }
-
- static uint32_t clock_to_divider(uint32_t clk) {
- #if defined(STM32H7xx)
- // SDMMC_CK frequency = sdmmc_ker_ck / [2 * CLKDIV].
- uint32_t sdmmc_clk = HAL_RCCEx_GetPeriphCLKFreq(RCC_PERIPHCLK_SDMMC);
- return sdmmc_clk / (2U * SDIO_CLOCK) + (sdmmc_clk % (2U * SDIO_CLOCK) != 0);
- #else
- // limit the SDIO master clock to 8/3 of PCLK2. See STM32 Manuals
- // Also limited to no more than 48Mhz (SDIOCLK).
- const uint32_t pclk2 = HAL_RCC_GetPCLK2Freq();
- clk = min(clk, (uint32_t)(pclk2 * 8 / 3));
- clk = min(clk, (uint32_t)SDIOCLK);
- // Round up divider, so we don't run the card over the speed supported,
- // and subtract by 2, because STM32 will add 2, as written in the manual:
- // SDIO_CK frequency = SDIOCLK / [CLKDIV + 2]
- return pclk2 / clk + (pclk2 % clk != 0) - 2;
- #endif
- }
-
- bool SDIO_Init() {
- HAL_StatusTypeDef sd_state = HAL_OK;
- HAL_SD_DeInit(&hsd);
-
- /* HAL SD initialization */
- hsd.Instance = SDIO;
- hsd.Init.ClockEdge = SDIO_CLOCK_EDGE_RISING;
- hsd.Init.ClockPowerSave = SDIO_CLOCK_POWER_SAVE_DISABLE;
- hsd.Init.BusWide = SDIO_BUS_WIDE_1B;
- hsd.Init.HardwareFlowControl = SDIO_HARDWARE_FLOW_CONTROL_DISABLE;
- hsd.Init.ClockDiv = clock_to_divider(SDIO_CLOCK);
- sd_state = HAL_SD_Init(&hsd);
-
- #if PINS_EXIST(SDIO_D1, SDIO_D2, SDIO_D3)
- if (sd_state == HAL_OK) {
- sd_state = HAL_SD_ConfigWideBusOperation(&hsd, SDIO_BUS_WIDE_4B);
- }
- #endif
-
- return (sd_state == HAL_OK) ? true : false;
- }
-
- bool SDIO_ReadBlock(uint32_t block, uint8_t *dst) {
- uint32_t timeout = HAL_GetTick() + SD_TIMEOUT;
-
- while (HAL_SD_GetCardState(&hsd) != HAL_SD_CARD_TRANSFER) {
- if (HAL_GetTick() >= timeout) return false;
- }
-
- waitingRxCplt = 1;
- if (HAL_SD_ReadBlocks_DMA(&hsd, (uint8_t *)dst, block, 1) != HAL_OK)
- return false;
-
- timeout = HAL_GetTick() + SD_TIMEOUT;
- while (waitingRxCplt)
- if (HAL_GetTick() >= timeout) return false;
-
- return true;
- }
-
- bool SDIO_WriteBlock(uint32_t block, const uint8_t *src) {
- uint32_t timeout = HAL_GetTick() + SD_TIMEOUT;
-
- while (HAL_SD_GetCardState(&hsd) != HAL_SD_CARD_TRANSFER)
- if (HAL_GetTick() >= timeout) return false;
-
- waitingTxCplt = 1;
- if (HAL_SD_WriteBlocks_DMA(&hsd, (uint8_t *)src, block, 1) != HAL_OK)
- return false;
-
- timeout = HAL_GetTick() + SD_TIMEOUT;
- while (waitingTxCplt)
- if (HAL_GetTick() >= timeout) return false;
-
- return true;
- }
-
- bool SDIO_IsReady() {
- return hsd.State == HAL_SD_STATE_READY;
- }
-
- uint32_t SDIO_GetCardSize() {
- return (uint32_t)(hsd.SdCard.BlockNbr) * (hsd.SdCard.BlockSize);
- }
-
- #endif // SDIO_SUPPORT
- #endif // HAL_STM32
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