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321 lines
11 KiB
321 lines
11 KiB
/**
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* Marlin 3D Printer Firmware
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* Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
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*
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* Based on Sprinter and grbl.
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* Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*
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*/
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#include "../../inc/MarlinConfig.h"
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#if ENABLED(SDIO_SUPPORT) && !defined(STM32GENERIC)
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#include <stdint.h>
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#include <stdbool.h>
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#if NONE(STM32F103xE, STM32F103xG, STM32F4xx, STM32F7xx)
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#error "ERROR - Only STM32F103xE, STM32F103xG, STM32F4xx or STM32F7xx CPUs supported"
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#endif
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#ifdef USBD_USE_CDC_COMPOSITE
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// use USB drivers
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extern "C" { int8_t SD_MSC_Read(uint8_t lun, uint8_t *buf, uint32_t blk_addr, uint16_t blk_len);
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int8_t SD_MSC_Write(uint8_t lun, uint8_t *buf, uint32_t blk_addr, uint16_t blk_len);
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extern SD_HandleTypeDef hsd;
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}
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bool SDIO_Init() {
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return hsd.State == HAL_SD_STATE_READY; // return pass/fail status
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}
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bool SDIO_ReadBlock(uint32_t block, uint8_t *src) {
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int8_t status = SD_MSC_Read(0, (uint8_t*)src, block, 1); // read one 512 byte block
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return (bool) status;
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}
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bool SDIO_WriteBlock(uint32_t block, const uint8_t *src) {
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int8_t status = SD_MSC_Write(0, (uint8_t*)src, block, 1); // write one 512 byte block
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return (bool) status;
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}
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#else // !USBD_USE_CDC_COMPOSITE
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// use local drivers
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#if defined(STM32F103xE) || defined(STM32F103xG)
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#include <stm32f1xx_hal_rcc_ex.h>
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#include <stm32f1xx_hal_sd.h>
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#elif defined(STM32F4xx)
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#include <stm32f4xx_hal_rcc.h>
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#include <stm32f4xx_hal_dma.h>
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#include <stm32f4xx_hal_gpio.h>
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#include <stm32f4xx_hal_sd.h>
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#elif defined(STM32F7xx)
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#include <stm32f7xx_hal_rcc.h>
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#include <stm32f7xx_hal_dma.h>
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#include <stm32f7xx_hal_gpio.h>
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#include <stm32f7xx_hal_sd.h>
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#else
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#error "ERROR - Only STM32F103xE, STM32F103xG, STM32F4xx or STM32F7xx CPUs supported"
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#endif
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SD_HandleTypeDef hsd; // create SDIO structure
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/*
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SDIO_INIT_CLK_DIV is 118
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SDIO clock frequency is 48MHz / (TRANSFER_CLOCK_DIV + 2)
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SDIO init clock frequency should not exceed 400KHz = 48MHz / (118 + 2)
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Default TRANSFER_CLOCK_DIV is 2 (118 / 40)
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Default SDIO clock frequency is 48MHz / (2 + 2) = 12 MHz
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This might be too fast for stable SDIO operations
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MKS Robin board seems to have stable SDIO with BusWide 1bit and ClockDiv 8 i.e. 4.8MHz SDIO clock frequency
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Additional testing is required as there are clearly some 4bit initialization problems
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Add -DTRANSFER_CLOCK_DIV=8 to build parameters to improve SDIO stability
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*/
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#ifndef TRANSFER_CLOCK_DIV
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#define TRANSFER_CLOCK_DIV (uint8_t(SDIO_INIT_CLK_DIV) / 40)
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#endif
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#ifndef USBD_OK
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#define USBD_OK 0
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#endif
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void go_to_transfer_speed() {
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SD_InitTypeDef Init;
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/* Default SDIO peripheral configuration for SD card initialization */
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Init.ClockEdge = hsd.Init.ClockEdge;
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Init.ClockBypass = hsd.Init.ClockBypass;
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Init.ClockPowerSave = hsd.Init.ClockPowerSave;
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Init.BusWide = hsd.Init.BusWide;
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Init.HardwareFlowControl = hsd.Init.HardwareFlowControl;
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Init.ClockDiv = TRANSFER_CLOCK_DIV;
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/* Initialize SDIO peripheral interface with default configuration */
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SDIO_Init(hsd.Instance, Init);
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}
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void SD_LowLevel_Init(void) {
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uint32_t tempreg;
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__HAL_RCC_SDIO_CLK_ENABLE();
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__HAL_RCC_GPIOC_CLK_ENABLE(); //enable GPIO clocks
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__HAL_RCC_GPIOD_CLK_ENABLE(); //enable GPIO clocks
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GPIO_InitTypeDef GPIO_InitStruct;
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GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
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GPIO_InitStruct.Pull = 1; //GPIO_NOPULL;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
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#if DISABLED(STM32F1xx)
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GPIO_InitStruct.Alternate = GPIO_AF12_SDIO;
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#endif
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GPIO_InitStruct.Pin = GPIO_PIN_8 | GPIO_PIN_12; // D0 & SCK
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HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
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#if PINS_EXIST(SDIO_D1, SDIO_D2, SDIO_D3) // define D1-D3 only if have a four bit wide SDIO bus
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GPIO_InitStruct.Pin = GPIO_PIN_9 | GPIO_PIN_10 | GPIO_PIN_11; // D1-D3
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HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
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#endif
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// Configure PD.02 CMD line
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GPIO_InitStruct.Pin = GPIO_PIN_2;
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HAL_GPIO_Init(GPIOD, &GPIO_InitStruct);
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#if DISABLED(STM32F1xx)
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// TODO: use __HAL_RCC_SDIO_RELEASE_RESET() and __HAL_RCC_SDIO_CLK_ENABLE();
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RCC->APB2RSTR &= ~RCC_APB2RSTR_SDIORST_Msk; // take SDIO out of reset
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RCC->APB2ENR |= RCC_APB2RSTR_SDIORST_Msk; // enable SDIO clock
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// Enable the DMA2 Clock
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#endif
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//Initialize the SDIO (with initial <400Khz Clock)
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tempreg = 0; //Reset value
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tempreg |= SDIO_CLKCR_CLKEN; // Clock enabled
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tempreg |= (uint32_t)0x76; // Clock Divider. Clock = 48000 / (118 + 2) = 400Khz
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// Keep the rest at 0 => HW_Flow Disabled, Rising Clock Edge, Disable CLK ByPass, Bus Width = 0, Power save Disable
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SDIO->CLKCR = tempreg;
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// Power up the SDIO
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SDIO->POWER = 0x03;
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}
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void HAL_SD_MspInit(SD_HandleTypeDef *hsd) { // application specific init
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UNUSED(hsd); /* Prevent unused argument(s) compilation warning */
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__HAL_RCC_SDIO_CLK_ENABLE(); // turn on SDIO clock
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}
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constexpr uint8_t SD_RETRY_COUNT = TERN(SD_CHECK_AND_RETRY, 3, 1);
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bool SDIO_Init() {
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//init SDIO and get SD card info
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uint8_t retryCnt = SD_RETRY_COUNT;
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bool status;
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hsd.Instance = SDIO;
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hsd.State = (HAL_SD_StateTypeDef) 0; // HAL_SD_STATE_RESET
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/*
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hsd.Init.ClockEdge = SDIO_CLOCK_EDGE_RISING;
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hsd.Init.ClockBypass = SDIO_CLOCK_BYPASS_DISABLE;
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hsd.Init.ClockPowerSave = SDIO_CLOCK_POWER_SAVE_DISABLE;
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hsd.Init.BusWide = SDIO_BUS_WIDE_1B;
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hsd.Init.HardwareFlowControl = SDIO_HARDWARE_FLOW_CONTROL_DISABLE;
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hsd.Init.ClockDiv = 8;
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*/
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SD_LowLevel_Init();
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uint8_t retry_Cnt = retryCnt;
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for (;;) {
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TERN_(USE_WATCHDOG, HAL_watchdog_refresh());
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status = (bool) HAL_SD_Init(&hsd);
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if (!status) break;
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if (!--retry_Cnt) return false; // return failing status if retries are exhausted
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}
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go_to_transfer_speed();
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#if PINS_EXIST(SDIO_D1, SDIO_D2, SDIO_D3) // go to 4 bit wide mode if pins are defined
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retry_Cnt = retryCnt;
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for (;;) {
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TERN_(USE_WATCHDOG, HAL_watchdog_refresh());
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if (!HAL_SD_ConfigWideBusOperation(&hsd, SDIO_BUS_WIDE_4B)) break; // some cards are only 1 bit wide so a pass here is not required
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if (!--retry_Cnt) break;
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}
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if (!retry_Cnt) { // wide bus failed, go back to one bit wide mode
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hsd.State = (HAL_SD_StateTypeDef) 0; // HAL_SD_STATE_RESET
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SD_LowLevel_Init();
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retry_Cnt = retryCnt;
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for (;;) {
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TERN_(USE_WATCHDOG, HAL_watchdog_refresh());
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status = (bool) HAL_SD_Init(&hsd);
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if (!status) break;
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if (!--retry_Cnt) return false; // return failing status if retries are exhausted
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}
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}
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#endif
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return true;
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}
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/*
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void init_SDIO_pins(void) {
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GPIO_InitTypeDef GPIO_InitStruct = {0};
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// SDIO GPIO Configuration
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// PC8 ------> SDIO_D0
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// PC12 ------> SDIO_CK
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// PD2 ------> SDIO_CMD
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GPIO_InitStruct.Pin = GPIO_PIN_8;
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GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
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GPIO_InitStruct.Pull = GPIO_NOPULL;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
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GPIO_InitStruct.Alternate = GPIO_AF12_SDIO;
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HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
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GPIO_InitStruct.Pin = GPIO_PIN_12;
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GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
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GPIO_InitStruct.Pull = GPIO_NOPULL;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
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GPIO_InitStruct.Alternate = GPIO_AF12_SDIO;
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HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
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GPIO_InitStruct.Pin = GPIO_PIN_2;
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GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
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GPIO_InitStruct.Pull = GPIO_NOPULL;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
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GPIO_InitStruct.Alternate = GPIO_AF12_SDIO;
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HAL_GPIO_Init(GPIOD, &GPIO_InitStruct);
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}
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*/
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//bool SDIO_init() { return (bool) (SD_SDIO_Init() ? 1 : 0);}
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//bool SDIO_Init_C() { return (bool) (SD_SDIO_Init() ? 1 : 0);}
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bool SDIO_ReadBlock(uint32_t block, uint8_t *dst) {
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hsd.Instance = SDIO;
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uint8_t retryCnt = SD_RETRY_COUNT;
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bool status;
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for (;;) {
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TERN_(USE_WATCHDOG, HAL_watchdog_refresh());
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status = (bool) HAL_SD_ReadBlocks(&hsd, (uint8_t*)dst, block, 1, 1000); // read one 512 byte block with 500mS timeout
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status |= (bool) HAL_SD_GetCardState(&hsd); // make sure all is OK
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if (!status) break; // return passing status
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if (!--retryCnt) break; // return failing status if retries are exhausted
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}
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return status;
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/*
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return (bool) ((status_read | status_card) ? 1 : 0);
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if (SDIO_GetCardState() != SDIO_CARD_TRANSFER) return false;
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if (blockAddress >= SdCard.LogBlockNbr) return false;
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if ((0x03 & (uint32_t)data)) return false; // misaligned data
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if (SdCard.CardType != CARD_SDHC_SDXC) { blockAddress *= 512U; }
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if (!SDIO_CmdReadSingleBlock(blockAddress)) {
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SDIO_CLEAR_FLAG(SDIO_ICR_CMD_FLAGS);
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dma_disable(SDIO_DMA_DEV, SDIO_DMA_CHANNEL);
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return false;
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}
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while (!SDIO_GET_FLAG(SDIO_STA_DATAEND | SDIO_STA_TRX_ERROR_FLAGS)) {}
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dma_disable(SDIO_DMA_DEV, SDIO_DMA_CHANNEL);
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if (SDIO->STA & SDIO_STA_RXDAVL) {
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while (SDIO->STA & SDIO_STA_RXDAVL) (void)SDIO->FIFO;
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SDIO_CLEAR_FLAG(SDIO_ICR_CMD_FLAGS | SDIO_ICR_DATA_FLAGS);
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return false;
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}
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if (SDIO_GET_FLAG(SDIO_STA_TRX_ERROR_FLAGS)) {
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SDIO_CLEAR_FLAG(SDIO_ICR_CMD_FLAGS | SDIO_ICR_DATA_FLAGS);
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return false;
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}
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SDIO_CLEAR_FLAG(SDIO_ICR_CMD_FLAGS | SDIO_ICR_DATA_FLAGS);
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*/
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return true;
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}
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bool SDIO_WriteBlock(uint32_t block, const uint8_t *src) {
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hsd.Instance = SDIO;
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uint8_t retryCnt = SD_RETRY_COUNT;
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bool status;
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for (;;) {
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status = (bool) HAL_SD_WriteBlocks(&hsd, (uint8_t*)src, block, 1, 500); // write one 512 byte block with 500mS timeout
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status |= (bool) HAL_SD_GetCardState(&hsd); // make sure all is OK
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if (!status) break; // return passing status
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if (!--retryCnt) break; // return failing status if retries are exhausted
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}
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return status;
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}
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#endif // !USBD_USE_CDC_COMPOSITE
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#endif // SDIO_SUPPORT
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