390 lines
12 KiB
C
390 lines
12 KiB
C
/*!
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\file main.c
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\brief SD card read and write demo
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\version 2021-10-30, V1.0.0, firmware for GD32W51x
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*/
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/*
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Copyright (c) 2021, GigaDevice Semiconductor Inc.
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Redistribution and use in source and binary forms, with or without modification,
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are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright notice, this
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list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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3. Neither the name of the copyright holder nor the names of its contributors
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may be used to endorse or promote products derived from this software without
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specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
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OF SUCH DAMAGE.
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*/
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#include "gd32w51x.h"
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#include "gd32w515p_eval.h"
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#include "sdcard.h"
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#include <stdio.h>
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//#define DATA_PRINT /* uncomment the macro to print out the data */
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sd_card_info_struct sd_cardinfo; /* information of SD card */
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uint32_t buf_write[512]; /* store the data written to the card */
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uint32_t buf_read[512]; /* store the data read from the card */
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void nvic_config(void);
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sd_error_enum sd_io_init(void);
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void card_info_get(void);
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/*!
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\brief main function
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\param[in] none
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\param[out] none
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\retval none
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*/
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int main(void)
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{
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sd_error_enum sd_error;
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uint16_t i = 5;
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#ifdef DATA_PRINT
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uint8_t *pdata;
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#endif /* DATA_PRINT */
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/* configure the NVIC, USART and LED */
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nvic_config();
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gd_eval_com_init(EVAL_COM0);
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gd_eval_led_init(LED1);
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gd_eval_led_init(LED2);
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gd_eval_led_init(LED3);
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/* turn off all the LEDs */
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gd_eval_led_off(LED1);
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gd_eval_led_off(LED2);
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gd_eval_led_off(LED3);
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/* enable icache */
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icache_enable();
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/* initialize the card */
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do{
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sd_error = sd_io_init();
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}while((SD_OK != sd_error) && (--i));
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if(i){
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printf("\r\n Card init success!\r\n");
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}else{
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printf("\r\n Card init failed!\r\n");
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/* turn on LED1, LED3 and turn off LED2 */
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gd_eval_led_on(LED1);
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gd_eval_led_on(LED3);
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gd_eval_led_off(LED2);
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while(1){
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}
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}
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/* get the information of the card and print it out by USART */
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card_info_get();
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/* init the write buffer */
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for(i=0; i<512; i++){
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buf_write[i] = i;
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}
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printf("\r\n\r\n Card test:");
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/* single block operation test */
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sd_error = sd_block_write(buf_write, 100*512, 512);
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if(SD_OK != sd_error){
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printf("\r\n Block write fail!");
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/* turn on LED1, LED3 and turn off LED2 */
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gd_eval_led_on(LED1);
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gd_eval_led_on(LED3);
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gd_eval_led_off(LED2);
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while(1){
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}
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}else{
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printf("\r\n Block write success!");
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}
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sd_error = sd_block_read(buf_read, 100*512, 512);
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if(SD_OK != sd_error){
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printf("\r\n Block read fail!");
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/* turn on LED1, LED3 and turn off LED2 */
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gd_eval_led_on(LED1);
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gd_eval_led_on(LED3);
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gd_eval_led_off(LED2);
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while(1){
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}
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}else{
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printf("\r\n Block read success!");
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#ifdef DATA_PRINT
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pdata = (uint8_t *)buf_read;
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/* print data by USART */
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printf("\r\n");
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for(i = 0; i < 128; i++){
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printf(" %3d %3d %3d %3d ", *pdata, *(pdata+1), *(pdata+2), *(pdata+3));
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pdata += 4;
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if(0 == (i + 1) % 4){
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printf("\r\n");
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}
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}
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#endif /* DATA_PRINT */
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}
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/* lock and unlock operation test */
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if(SD_CCC_LOCK_CARD & sd_cardinfo.card_csd.ccc){
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/* lock the card */
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sd_error = sd_lock_unlock(SD_LOCK);
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if(SD_OK != sd_error){
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printf("\r\n Lock failed!");
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/* turn on LED1, LED3 and turn off LED2 */
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gd_eval_led_on(LED1);
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gd_eval_led_on(LED3);
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gd_eval_led_off(LED2);
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while(1){
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}
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}else{
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printf("\r\n The card is locked!");
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}
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sd_error = sd_erase(100*512, 101*512);
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if(SD_OK != sd_error){
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printf("\r\n Erase failed!");
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}else{
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printf("\r\n Erase success!");
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}
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/* unlock the card */
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sd_error = sd_lock_unlock(SD_UNLOCK);
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if(SD_OK != sd_error){
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printf("\r\n Unlock failed!");
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/* turn on LED1, LED3 and turn off LED2 */
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gd_eval_led_on(LED1);
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gd_eval_led_on(LED3);
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gd_eval_led_off(LED2);
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while (1){
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}
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}else{
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printf("\r\n The card is unlocked!");
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}
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sd_error = sd_erase(100*512, 101*512);
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if(SD_OK != sd_error){
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printf("\r\n Erase failed!");
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}else{
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printf("\r\n Erase success!");
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}
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sd_error = sd_block_read(buf_read, 100*512, 512);
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if(SD_OK != sd_error){
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printf("\r\n Block read fail!");
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/* turn on LED1, LED3 and turn off LED2 */
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gd_eval_led_on(LED1);
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gd_eval_led_on(LED3);
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gd_eval_led_off(LED2);
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while(1){
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}
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}else{
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printf("\r\n Block read success!");
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#ifdef DATA_PRINT
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pdata = (uint8_t *)buf_read;
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/* print data by USART */
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printf("\r\n");
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for(i = 0; i < 128; i++){
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printf(" %3d %3d %3d %3d ", *pdata, *(pdata+1), *(pdata+2), *(pdata+3));
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pdata += 4;
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if(0 == (i + 1) % 4){
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printf("\r\n");
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}
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}
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#endif /* DATA_PRINT */
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}
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}
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/* multiple blocks operation test */
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sd_error = sd_multiblocks_write(buf_write, 200*512, 512, 3);
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if(SD_OK != sd_error){
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printf("\r\n Multiple block write fail!");
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/* turn on LED1, LED3 and turn off LED2 */
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gd_eval_led_on(LED1);
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gd_eval_led_on(LED3);
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gd_eval_led_off(LED2);
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while(1){
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}
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}else{
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printf("\r\n Multiple block write success!");
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}
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sd_error = sd_multiblocks_read(buf_read, 200*512, 512, 3);
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if(SD_OK != sd_error){
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printf("\r\n Multiple block read fail!");
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/* turn on LED1, LED3 and turn off LED2 */
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gd_eval_led_on(LED1);
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gd_eval_led_on(LED3);
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gd_eval_led_off(LED2);
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while(1){
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}
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}else{
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printf("\r\n Multiple block read success!");
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#ifdef DATA_PRINT
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pdata = (uint8_t *)buf_read;
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/* print data by USART */
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printf("\r\n");
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for(i = 0; i < 512; i++){
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printf(" %3d %3d %3d %3d ", *pdata, *(pdata+1), *(pdata+2), *(pdata+3));
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pdata += 4;
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if(0 == (i + 1) % 4){
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printf("\r\n");
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}
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}
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#endif /* DATA_PRINT */
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}
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/* turn on all the LEDs */
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gd_eval_led_on(LED1);
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gd_eval_led_on(LED2);
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gd_eval_led_on(LED3);
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while (1){
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}
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}
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/*!
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\brief configure the NVIC
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\param[in] none
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\param[out] none
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\retval none
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*/
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void nvic_config(void)
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{
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nvic_priority_group_set(NVIC_PRIGROUP_PRE1_SUB3);
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nvic_irq_enable(SDIO_IRQn, 0, 0);
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}
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/*!
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\brief initialize the card, get the card information, set the bus mode and transfer mode
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\param[in] none
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\param[out] none
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\retval sd_error_enum
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*/
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sd_error_enum sd_io_init(void)
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{
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sd_error_enum status = SD_OK;
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uint32_t cardstate = 0;
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status = sd_init();
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if(SD_OK == status){
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status = sd_card_information_get(&sd_cardinfo);
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}
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if(SD_OK == status){
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status = sd_card_select_deselect(sd_cardinfo.card_rca);
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}
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status = sd_cardstatus_get(&cardstate);
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if(cardstate & 0x02000000){
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printf("\r\n the card is locked!");
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while(1){
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}
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}
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if ((SD_OK == status) && (!(cardstate & 0x02000000))){
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/* set bus mode */
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// status = sd_bus_mode_config(SDIO_BUSMODE_4BIT);
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status = sd_bus_mode_config( SDIO_BUSMODE_1BIT );
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}
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if (SD_OK == status){
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/* set data transfer mode */
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// status = sd_transfer_mode_config( SD_DMA_MODE );
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status = sd_transfer_mode_config( SD_POLLING_MODE );
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}
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return status;
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}
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/*!
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\brief get the card information and print it out by USRAT
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\param[in] none
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\param[out] none
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\retval none
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*/
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void card_info_get(void)
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{
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uint8_t sd_spec, sd_spec3, sd_spec4, sd_security;
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uint32_t block_count, block_size;
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uint16_t temp_ccc;
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printf("\r\n Card information:");
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sd_spec = (sd_scr[1] & 0x0F000000) >> 24;
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sd_spec3 = (sd_scr[1] & 0x00008000) >> 15;
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sd_spec4 = (sd_scr[1] & 0x00000400) >> 10;
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if(2 == sd_spec){
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if(1 == sd_spec3){
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if(1 == sd_spec4){
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printf("\r\n## Card version 4.xx ##");
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}else{
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printf("\r\n## Card version 3.0x ##");
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}
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}else{
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printf("\r\n## Card version 2.00 ##");
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}
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}else if(1 == sd_spec){
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printf("\r\n## Card version 1.10 ##");
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}else if(0 == sd_spec){
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printf("\r\n## Card version 1.0x ##");
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}
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sd_security = (sd_scr[1] & 0x00700000) >> 20;
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if(2 == sd_security){
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printf("\r\n## SDSC card ##");
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}else if(3 == sd_security){
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printf("\r\n## SDHC card ##");
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}else if(4 == sd_security){
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printf("\r\n## SDXC card ##");
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}
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block_count = (sd_cardinfo.card_csd.c_size + 1)*1024;
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block_size = 512;
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printf("\r\n## Device size is %dKB ##", sd_card_capacity_get());
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printf("\r\n## Block size is %dB ##", block_size);
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printf("\r\n## Block count is %d ##", block_count);
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if(sd_cardinfo.card_csd.read_bl_partial){
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printf("\r\n## Partial blocks for read allowed ##" );
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}
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if(sd_cardinfo.card_csd.write_bl_partial){
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printf("\r\n## Partial blocks for write allowed ##" );
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}
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temp_ccc = sd_cardinfo.card_csd.ccc;
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printf("\r\n## CardCommandClasses is: %x ##", temp_ccc);
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if((SD_CCC_BLOCK_READ & temp_ccc) && (SD_CCC_BLOCK_WRITE & temp_ccc)){
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printf("\r\n## Block operation supported ##");
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}
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if(SD_CCC_ERASE & temp_ccc){
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printf("\r\n## Erase supported ##");
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}
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if(SD_CCC_WRITE_PROTECTION & temp_ccc){
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printf("\r\n## Write protection supported ##");
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}
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if(SD_CCC_LOCK_CARD & temp_ccc){
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printf("\r\n## Lock unlock supported ##");
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}
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if(SD_CCC_APPLICATION_SPECIFIC & temp_ccc){
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printf("\r\n## Application specific supported ##");
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}
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if(SD_CCC_IO_MODE & temp_ccc){
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printf("\r\n## I/O mode supported ##");
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}
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if(SD_CCC_SWITCH & temp_ccc){
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printf("\r\n## Switch function supported ##");
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}
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}
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/* retarget the C library printf function to the USART */
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int fputc(int ch, FILE *f)
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{
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usart_data_transmit(EVAL_COM0, (uint8_t)ch);
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while (RESET == usart_flag_get(EVAL_COM0, USART_FLAG_TBE));
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return ch;
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}
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