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Author: shiguanghu

SD_eMMC/card_status_analyzer.c

@@ -0,0 +1,90 @@
+/*
+eMMC Card Status Analyzer
+
+auther: 
+
+Example:
+card_status 0xffffffff
+
+*/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#define VERSION"0.1"
+
+
+struct card_status {
+int bit_num;
+char field_name[100];
+char value[80][60];
+};
+
+struct card_status status_description[] = {
+{31, "ADDRESS_OUT_OF_RANGE",	{"no error", "error",}},
+{30, "ADDRESS_MISALIGN ",	{"no error", "error",}},
+{29, "BLOCK_LEN_ERROR ",	{"no error", "error",}},
+{28, "ERASE_SEQ_ERROR ",	{"no error", "error",}},
+
+{27, "ERASE_PARAM ",	{"no error", "error",}},
+{26, "WP_VIOLATION ",	{"no error", "error",}},
+{25, "CARD_IS_LOCKED ",	{"unlocked", "locked",}},
+{24, "LOCK_UNLOCK_FAILED ",	{"no error", "error",}},
+
+{23, "COM_CRC_ERROR ",	{"no error", "error",}},
+{22, "ILLEGAL_COMMAND ",	{"no error", "error",}},
+{21, "CARD_ECC_FAILED ",	{"success", "failure",}},
+{20, "CC_ERROR ",	{"no error", "error",}},
+
+{19, "ERROR ",	{"no error", "error",}},
+{18, "Obsolete ",	{"Hosts should ignore this bit",}},
+{17, "Obsolete ",	{"Hosts should ignore this bit",}},
+{16, "CID/CSD_OVERWRITE ",	{"no error", "error",}},
+
+{15, "WP_ERASE_SKIP ",	{"not protected", "protected",}},
+{14, "CARD_ECC_DISABLED ",	{"enabled", "disabled",}},
+{13, "ERASE_RESET ",	{"cleared", "set",}},
+{12, "CURRENT_STATE ",	{"idle", "ready", "ident", "stby", "tran", "data", "rcv", "prg", "dis", "reserved",}}, /* 12:9 */
+
+{8, "READY_FOR_DATA ",	{"not ready", "ready",}},
+{7, "SWITCH_ERROR ",	{"no error", "error",}},
+{6, "EXCEPTION_EVENT ",	{"no event", "an exception event has occurred",}},
+{5, "APP_CMD ",	{"disabled", "enable"}},
+
+{4, "Reserved ",	{"Reserved",}},
+{3, "Reserved ",	{"Reserved for Application Specific commands",}},/*03~02*/
+{1, "Reserved ",	{"Reserved for Manufacturer Test Mode",}},/*01~00*/
+};
+
+static void help(char *np)
+{
+struct Command *cp;
+
+printf("Usage:\n");
+printf("\n\t%s help|--help|-h\n\t\tShow the help.\n",np);
+printf("\n\t%s <cmd> --help\n\t\tShow detailed help for a command or subset of commands.\n",np);
+printf("\n%s\n", VERSION);
+}
+
+int main(int argc, char **argv)
+{
+int i;
+int value = strtoul(argv[2], NULL, 0);
+printf("-----%d-----\n", value);
+
+
+if( argc < 2 || !strcmp(argv[1], "help") || !strcmp(argv[1], "-h") || !strcmp(argv[1], "--help")){
+help(argv[0]);
+return 0;
+}
+
+printf("-----%s start-----\n", __func__);
+for (i=0; i<sizeof(status_description)/sizeof(status_description[0]); i++) {
+
+printf("[%s]	[%s]\n", status_description[i].field_name, status_description[i].value[1]);
+}
+printf("-----%s end-----\n", __func__);
+
+return 0;
+}