337 lines
10 KiB
C
337 lines
10 KiB
C
/*
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ChibiOS - Copyright (C) 2006..2016 Giovanni Di Sirio
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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#include <string.h>
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#include "ch.h"
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#include "hal.h"
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#include "chprintf.h"
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#include "shell.h"
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/*
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* Working area for driver.
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*/
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static uint8_t sd_scratchpad[512];
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/*
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* SDIO configuration.
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*/
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static const SDCConfig sdccfg = {
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sd_scratchpad,
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SDC_MODE_4BIT
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};
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/*
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* LED blinker thread, times are in milliseconds.
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*/
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static THD_WORKING_AREA(waThread1, 128);
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static THD_FUNCTION(Thread1, arg) {
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(void)arg;
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chRegSetThreadName("blinker");
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while (true) {
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palSetPad(GPIOC, GPIOC_LED);
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chThdSleepMilliseconds(500);
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palClearPad(GPIOC, GPIOC_LED);
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chThdSleepMilliseconds(500);
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}
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}
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/*===========================================================================*/
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/* Command line related. */
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/*===========================================================================*/
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#define SHELL_WA_SIZE THD_WORKING_AREA_SIZE(2048)
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#define SDC_BURST_SIZE 16
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/* Buffer for block read/write operations, note that extra bytes are
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allocated in order to support unaligned operations.*/
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static uint8_t buf[MMCSD_BLOCK_SIZE * SDC_BURST_SIZE + 4];
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/* Additional buffer for sdcErase() test */
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static uint8_t buf2[MMCSD_BLOCK_SIZE * SDC_BURST_SIZE ];
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void cmd_sdc(BaseSequentialStream *chp, int argc, char *argv[]) {
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static const char *mode[] = {"SDV11", "SDV20", "MMC", NULL};
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systime_t start, end;
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uint32_t n, startblk;
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if (argc != 1) {
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chprintf(chp, "Usage: sdiotest read|write|erase|all\r\n");
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return;
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}
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/* Card presence check.*/
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if (!blkIsInserted(&SDCD1)) {
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chprintf(chp, "Card not inserted, aborting.\r\n");
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return;
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}
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/* Connection to the card.*/
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chprintf(chp, "Connecting... ");
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if (sdcConnect(&SDCD1)) {
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chprintf(chp, "failed\r\n");
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return;
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}
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chprintf(chp, "OK\r\n\r\nCard Info\r\n");
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chprintf(chp, "CSD : %08X %8X %08X %08X \r\n",
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SDCD1.csd[3], SDCD1.csd[2], SDCD1.csd[1], SDCD1.csd[0]);
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chprintf(chp, "CID : %08X %8X %08X %08X \r\n",
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SDCD1.cid[3], SDCD1.cid[2], SDCD1.cid[1], SDCD1.cid[0]);
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chprintf(chp, "Mode : %s\r\n", mode[SDCD1.cardmode & 3U]);
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chprintf(chp, "Capacity : %DMB\r\n", SDCD1.capacity / 2048);
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/* The test is performed in the middle of the flash area.*/
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startblk = (SDCD1.capacity / MMCSD_BLOCK_SIZE) / 2;
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if ((strcmp(argv[0], "read") == 0) ||
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(strcmp(argv[0], "all") == 0)) {
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/* Single block read performance, aligned.*/
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chprintf(chp, "Single block aligned read performance: ");
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start = chVTGetSystemTime();
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end = start + MS2ST(1000);
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n = 0;
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do {
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if (blkRead(&SDCD1, startblk, buf, 1)) {
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chprintf(chp, "failed\r\n");
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goto exittest;
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}
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n++;
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} while (chVTIsSystemTimeWithin(start, end));
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chprintf(chp, "%D blocks/S, %D bytes/S\r\n", n, n * MMCSD_BLOCK_SIZE);
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/* Multiple sequential blocks read performance, aligned.*/
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chprintf(chp, "16 sequential blocks aligned read performance: ");
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start = chVTGetSystemTime();
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end = start + MS2ST(1000);
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n = 0;
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do {
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if (blkRead(&SDCD1, startblk, buf, SDC_BURST_SIZE)) {
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chprintf(chp, "failed\r\n");
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goto exittest;
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}
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n += SDC_BURST_SIZE;
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} while (chVTIsSystemTimeWithin(start, end));
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chprintf(chp, "%D blocks/S, %D bytes/S\r\n", n, n * MMCSD_BLOCK_SIZE);
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#if STM32_SDC_SDIO_UNALIGNED_SUPPORT
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/* Single block read performance, unaligned.*/
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chprintf(chp, "Single block unaligned read performance: ");
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start = chVTGetSystemTime();
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end = start + MS2ST(1000);
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n = 0;
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do {
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if (blkRead(&SDCD1, startblk, buf + 1, 1)) {
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chprintf(chp, "failed\r\n");
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goto exittest;
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}
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n++;
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} while (chVTIsSystemTimeWithin(start, end));
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chprintf(chp, "%D blocks/S, %D bytes/S\r\n", n, n * MMCSD_BLOCK_SIZE);
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/* Multiple sequential blocks read performance, unaligned.*/
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chprintf(chp, "16 sequential blocks unaligned read performance: ");
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start = chVTGetSystemTime();
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end = start + MS2ST(1000);
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n = 0;
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do {
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if (blkRead(&SDCD1, startblk, buf + 1, SDC_BURST_SIZE)) {
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chprintf(chp, "failed\r\n");
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goto exittest;
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}
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n += SDC_BURST_SIZE;
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} while (chVTIsSystemTimeWithin(start, end));
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chprintf(chp, "%D blocks/S, %D bytes/S\r\n", n, n * MMCSD_BLOCK_SIZE);
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#endif /* STM32_SDC_SDIO_UNALIGNED_SUPPORT */
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}
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if ((strcmp(argv[0], "write") == 0) ||
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(strcmp(argv[0], "all") == 0)) {
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unsigned i;
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memset(buf, 0xAA, MMCSD_BLOCK_SIZE * 2);
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chprintf(chp, "Writing...");
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if(sdcWrite(&SDCD1, startblk, buf, 2)) {
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chprintf(chp, "failed\r\n");
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goto exittest;
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}
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chprintf(chp, "OK\r\n");
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memset(buf, 0x55, MMCSD_BLOCK_SIZE * 2);
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chprintf(chp, "Reading...");
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if (blkRead(&SDCD1, startblk, buf, 1)) {
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chprintf(chp, "failed\r\n");
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goto exittest;
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}
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chprintf(chp, "OK\r\n");
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for (i = 0; i < MMCSD_BLOCK_SIZE; i++)
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buf[i] = i + 8;
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chprintf(chp, "Writing...");
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if(sdcWrite(&SDCD1, startblk, buf, 2)) {
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chprintf(chp, "failed\r\n");
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goto exittest;
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}
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chprintf(chp, "OK\r\n");
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memset(buf, 0, MMCSD_BLOCK_SIZE * 2);
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chprintf(chp, "Reading...");
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if (blkRead(&SDCD1, startblk, buf, 1)) {
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chprintf(chp, "failed\r\n");
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goto exittest;
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}
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chprintf(chp, "OK\r\n");
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}
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if ((strcmp(argv[0], "erase") == 0) ||
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(strcmp(argv[0], "all") == 0)) {
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/**
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* Test sdcErase()
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* Strategy:
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* 1. Fill two blocks with non-constant data
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* 2. Write two blocks starting at startblk
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* 3. Erase the second of the two blocks
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* 3.1. First block should be equal to the data written
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* 3.2. Second block should NOT be equal too the data written (i.e. erased).
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* 4. Erase both first and second block
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* 4.1 Both blocks should not be equal to the data initially written
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* Precondition: SDC_BURST_SIZE >= 2
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*/
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memset(buf, 0, MMCSD_BLOCK_SIZE * 2);
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memset(buf2, 0, MMCSD_BLOCK_SIZE * 2);
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/* 1. */
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unsigned int i = 0;
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for (; i < MMCSD_BLOCK_SIZE * 2; ++i) {
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buf[i] = (i + 7) % 'T'; //Ensure block 1/2 are not equal
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}
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/* 2. */
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if(sdcWrite(&SDCD1, startblk, buf, 2)) {
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chprintf(chp, "sdcErase() test write failed\r\n");
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goto exittest;
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}
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/* 3. (erase) */
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if(sdcErase(&SDCD1, startblk + 1, startblk + 2)) {
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chprintf(chp, "sdcErase() failed\r\n");
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goto exittest;
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}
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sdcflags_t errflags = sdcGetAndClearErrors(&SDCD1);
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if(errflags) {
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chprintf(chp, "sdcErase() yielded error flags: %d\r\n", errflags);
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goto exittest;
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}
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if(sdcRead(&SDCD1, startblk, buf2, 2)) {
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chprintf(chp, "single-block sdcErase() failed\r\n");
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goto exittest;
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}
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/* 3.1. */
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if(memcmp(buf, buf2, MMCSD_BLOCK_SIZE) != 0) {
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chprintf(chp, "sdcErase() non-erased block compare failed\r\n");
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goto exittest;
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}
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/* 3.2. */
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if(memcmp(buf + MMCSD_BLOCK_SIZE,
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buf2 + MMCSD_BLOCK_SIZE, MMCSD_BLOCK_SIZE) == 0) {
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chprintf(chp, "sdcErase() erased block compare failed\r\n");
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goto exittest;
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}
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/* 4. */
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if(sdcErase(&SDCD1, startblk, startblk + 2)) {
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chprintf(chp, "multi-block sdcErase() failed\r\n");
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goto exittest;
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}
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if(sdcRead(&SDCD1, startblk, buf2, 2)) {
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chprintf(chp, "single-block sdcErase() failed\r\n");
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goto exittest;
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}
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/* 4.1 */
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if(memcmp(buf, buf2, MMCSD_BLOCK_SIZE) == 0) {
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chprintf(chp, "multi-block sdcErase() erased block compare failed\r\n");
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goto exittest;
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}
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if(memcmp(buf + MMCSD_BLOCK_SIZE,
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buf2 + MMCSD_BLOCK_SIZE, MMCSD_BLOCK_SIZE) == 0) {
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chprintf(chp, "multi-block sdcErase() erased block compare failed\r\n");
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goto exittest;
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}
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/* END of sdcErase() test */
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}
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/* Card disconnect and command end.*/
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exittest:
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sdcDisconnect(&SDCD1);
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}
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static const ShellCommand commands[] = {
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{"sdc", cmd_sdc},
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{NULL, NULL}
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};
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static const ShellConfig shell_cfg1 = {
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(BaseSequentialStream *)&SD6,
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commands
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};
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/*
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* Application entry point.
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*/
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int main(void) {
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/*
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* System initializations.
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* - HAL initialization, this also initializes the configured device drivers
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* and performs the board-specific initializations.
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* - Kernel initialization, the main() function becomes a thread and the
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* RTOS is active.
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*/
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halInit();
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chSysInit();
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/*
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* Shell manager initialization.
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*/
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shellInit();
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/*
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* Activates the serial driver 6 using the driver default configuration.
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*/
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sdStart(&SD6, NULL);
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/*
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* Initializes the SDIO drivers.
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*/
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sdcStart(&SDCD1, &sdccfg);
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/*
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* Creates the blinker thread.
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*/
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chThdCreateStatic(waThread1, sizeof(waThread1), NORMALPRIO, Thread1, NULL);
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/*
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* Normal main() thread activity, spawning shells.
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*/
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while (true) {
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thread_t *shelltp = chThdCreateFromHeap(NULL, SHELL_WA_SIZE,
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"shell", NORMALPRIO + 1,
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shellThread, (void *)&shell_cfg1);
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chThdWait(shelltp); /* Waiting termination. */
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chThdSleepMilliseconds(1000);
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}
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}
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