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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 <http://www.gnu.org/licenses/>.
- *
- */
-
- #include "../../inc/MarlinConfig.h"
-
- #if ENABLED(SDIO_SUPPORT) && !defined(STM32GENERIC)
-
- #include <stdint.h>
- #include <stdbool.h>
-
- //#include "SdMscDriver.h"
-
- //#include "usbd_msc_bot.h"
- //#include "usbd_msc_scsi.h"
- //#include "usbd_msc_composite.h"
- //#include "usbd_msc_cdc_composite.h"
-
- //#include "usbd_msc_data.h"
-
- #if defined(STM32F103xE) || defined(STM32F103xG)
- #include <stm32f1xx_hal_rcc_ex.h>
- #include <stm32f1xx_hal_sd.h>
- #elif defined(STM32F4xx)
- #include <stm32f4xx_hal_rcc.h>
- #include <stm32f4xx_hal_dma.h>
- #include <stm32f4xx_hal_gpio.h>
- #include <stm32f4xx_hal_sd.h>
- #elif defined(STM32F7xx)
- #include <stm32f7xx_hal_rcc.h>
- #include <stm32f7xx_hal_dma.h>
- #include <stm32f7xx_hal_gpio.h>
- #include <stm32f7xx_hal_sd.h>
- #else
- #error "ERROR - Only STM32F103xE, STM32F103xG, STM32F4xx or STM32F7xx CPUs supported"
- #endif
-
- SD_HandleTypeDef hsd; // create SDIO structure
-
- #define TRANSFER_CLOCK_DIV ((uint8_t)SDIO_INIT_CLK_DIV/40)
-
- #ifndef USBD_OK
- #define USBD_OK 0
- #endif
-
- void go_to_transfer_speed() {
-
- SD_InitTypeDef Init;
-
- /* Default SDIO peripheral configuration for SD card initialization */
- Init.ClockEdge = hsd.Init.ClockEdge;
- Init.ClockBypass = hsd.Init.ClockBypass;
- Init.ClockPowerSave = hsd.Init.ClockPowerSave;
- Init.BusWide = hsd.Init.BusWide;
- Init.HardwareFlowControl = hsd.Init.HardwareFlowControl;
- Init.ClockDiv = TRANSFER_CLOCK_DIV;
-
- /* Initialize SDIO peripheral interface with default configuration */
- SDIO_Init(hsd.Instance, Init);
- }
-
- void SD_LowLevel_Init(void) {
-
- uint32_t tempreg;
-
- GPIO_InitTypeDef GPIO_InitStruct;
-
- __HAL_RCC_GPIOC_CLK_ENABLE(); //enable GPIO clocks
- __HAL_RCC_GPIOD_CLK_ENABLE(); //enable GPIO clocks
-
- GPIO_InitStruct.Pin = GPIO_PIN_8 | GPIO_PIN_12; // D0 & SCK
- GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
- GPIO_InitStruct.Pull = 1; //GPIO_NOPULL;
- GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
- GPIO_InitStruct.Alternate = GPIO_AF12_SDIO;
- HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
-
- #if defined(SDIO_D1_PIN) && defined(SDIO_D2_PIN) && defined(SDIO_D3_PIN) // define D1-D3 only if have a four bit wide SDIO bus
- GPIO_InitStruct.Pin = GPIO_PIN_9 | GPIO_PIN_10 | GPIO_PIN_11; // D1-D3
- GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
- GPIO_InitStruct.Pull = 1; //GPIO_NOPULL;
- GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
- GPIO_InitStruct.Alternate = GPIO_AF12_SDIO;
- HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
- #endif
-
- // Configure PD.02 CMD line
- GPIO_InitStruct.Pin = GPIO_PIN_2;
- HAL_GPIO_Init(GPIOD, &GPIO_InitStruct);
-
- RCC->APB2RSTR &= ~RCC_APB2RSTR_SDIORST_Msk; // take SDIO out of reset
- RCC->APB2ENR |= RCC_APB2RSTR_SDIORST_Msk; // enable SDIO clock
-
- // Enable the DMA2 Clock
-
- //Initialize the SDIO (with initial <400Khz Clock)
- tempreg = 0; //Reset value
- tempreg |= SDIO_CLKCR_CLKEN; //Clock is enabled
- tempreg |= (uint32_t)0x76; //Clock Divider. Clock = 48000/(118+2) = 400Khz
- //Keep the rest at 0 => HW_Flow Disabled, Rising Clock Edge, Disable CLK ByPass, Bus Width = 0, Power save Disable
- SDIO->CLKCR = tempreg;
-
- //Power up the SDIO
- SDIO->POWER = 0x03;
- }
-
-
- void HAL_SD_MspInit(SD_HandleTypeDef *hsd) { // application specific init
- UNUSED(hsd); /* Prevent unused argument(s) compilation warning */
- __HAL_RCC_SDIO_CLK_ENABLE(); // turn on SDIO clock
- }
-
- constexpr uint8_t SD_RETRY_COUNT = (1
- #if ENABLED(SD_CHECK_AND_RETRY)
- + 2
- #endif
- );
-
- bool SDIO_Init() {
- //init SDIO and get SD card info
-
- uint8_t retryCnt = SD_RETRY_COUNT;
-
- bool status;
- hsd.Instance = SDIO;
- hsd.State = (HAL_SD_StateTypeDef) 0; // HAL_SD_STATE_RESET
- SD_LowLevel_Init();
-
- uint8_t retry_Cnt = retryCnt;
- for (;;) {
- status = (bool) HAL_SD_Init(&hsd);
- if (!status) break;
- if (!--retry_Cnt) return false; // return failing status if retries are exhausted
- }
-
- go_to_transfer_speed();
-
- #if defined(SDIO_D1_PIN) && defined(SDIO_D2_PIN) && defined(SDIO_D3_PIN) // go to 4 bit wide mode if pins are defined
- retry_Cnt = retryCnt;
- for (;;) {
- if (!HAL_SD_ConfigWideBusOperation(&hsd, SDIO_BUS_WIDE_4B)) break; // some cards are only 1 bit wide so a pass here is not required
- if (!--retry_Cnt) break;
- }
- if (!retry_Cnt) { // wide bus failed, go back to one bit wide mode
- hsd.State = (HAL_SD_StateTypeDef) 0; // HAL_SD_STATE_RESET
- SD_LowLevel_Init();
- retry_Cnt = retryCnt;
- for (;;) {
- status = (bool) HAL_SD_Init(&hsd);
- if (!status) break;
- if (!--retry_Cnt) return false; // return failing status if retries are exhausted
- }
- }
- #endif
-
- return true;
- }
-
- void init_SDIO_pins(void) {
- GPIO_InitTypeDef GPIO_InitStruct = {0};
-
- /**SDIO GPIO Configuration
- PC8 ------> SDIO_D0
- PC12 ------> SDIO_CK
- PD2 ------> SDIO_CMD
- */
- GPIO_InitStruct.Pin = GPIO_PIN_8;
- GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
- GPIO_InitStruct.Pull = GPIO_NOPULL;
- GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
- GPIO_InitStruct.Alternate = GPIO_AF12_SDIO;
- HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
-
- GPIO_InitStruct.Pin = GPIO_PIN_12;
- GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
- GPIO_InitStruct.Pull = GPIO_NOPULL;
- GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
- GPIO_InitStruct.Alternate = GPIO_AF12_SDIO;
- HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
-
- GPIO_InitStruct.Pin = GPIO_PIN_2;
- GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
- GPIO_InitStruct.Pull = GPIO_NOPULL;
- GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
- GPIO_InitStruct.Alternate = GPIO_AF12_SDIO;
- HAL_GPIO_Init(GPIOD, &GPIO_InitStruct);
- }
-
- //bool SDIO_init() { return (bool) (SD_SDIO_Init() ? 1 : 0);}
- //bool SDIO_Init_C() { return (bool) (SD_SDIO_Init() ? 1 : 0);}
-
- bool SDIO_ReadBlock(uint32_t block, uint8_t *dst) {
- bool status;
-
- hsd.Instance = SDIO;
-
- uint8_t retryCnt = SD_RETRY_COUNT;
-
- for (;;) {
- bool status = (bool) HAL_SD_ReadBlocks(&hsd, (uint8_t*)dst, block, 1, 1000); // read one 512 byte block with 500mS timeout
- status |= (bool) HAL_SD_GetCardState(&hsd); // make sure all is OK
- if (!status) return false; // return passing status
- if (!--retryCnt) return true; // return failing status if retries are exhausted
- }
-
- /*
- return (bool) ((status_read | status_card) ? 1 : 0);
-
- if (SDIO_GetCardState() != SDIO_CARD_TRANSFER) return false;
- if (blockAddress >= SdCard.LogBlockNbr) return false;
- if ((0x03 & (uint32_t)data)) return false; // misaligned data
-
- if (SdCard.CardType != CARD_SDHC_SDXC) { blockAddress *= 512U; }
-
- if (!SDIO_CmdReadSingleBlock(blockAddress)) {
- SDIO_CLEAR_FLAG(SDIO_ICR_CMD_FLAGS);
- dma_disable(SDIO_DMA_DEV, SDIO_DMA_CHANNEL);
- return false;
- }
-
- while (!SDIO_GET_FLAG(SDIO_STA_DATAEND | SDIO_STA_TRX_ERROR_FLAGS)) {}
-
- dma_disable(SDIO_DMA_DEV, SDIO_DMA_CHANNEL);
-
- if (SDIO->STA & SDIO_STA_RXDAVL) {
- while (SDIO->STA & SDIO_STA_RXDAVL) (void)SDIO->FIFO;
- SDIO_CLEAR_FLAG(SDIO_ICR_CMD_FLAGS | SDIO_ICR_DATA_FLAGS);
- return false;
- }
-
- if (SDIO_GET_FLAG(SDIO_STA_TRX_ERROR_FLAGS)) {
- SDIO_CLEAR_FLAG(SDIO_ICR_CMD_FLAGS | SDIO_ICR_DATA_FLAGS);
- return false;
- }
- SDIO_CLEAR_FLAG(SDIO_ICR_CMD_FLAGS | SDIO_ICR_DATA_FLAGS);
- */
-
- return true;
- }
-
- bool SDIO_WriteBlock(uint32_t block, const uint8_t *src) {
- bool status;
-
- hsd.Instance = SDIO;
-
- uint8_t retryCnt = SD_RETRY_COUNT;
-
- for (;;) {
- status = (bool) HAL_SD_WriteBlocks(&hsd, (uint8_t*)src, block, 1, 500); // write one 512 byte block with 500mS timeout
- status |= (bool) HAL_SD_GetCardState(&hsd); // make sure all is OK
- if (!status) return (bool) status; // return passing status
- if (!--retryCnt) return (bool) status; // return failing status if retries are exhausted
- }
- }
-
- #endif // SDIO_SUPPORT
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