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Pass 2; commit 2;

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This commit is contained in:
Colin J. Brigato 2018-09-06 05:24:50 +02:00
commit c74dbb63b8
6 changed files with 77 additions and 34 deletions
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62
client/cmdflashmem.c
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@ -12,13 +12,36 @@
#include "rsa.h"
#include "sha1.h"
#define MCK 48000000
//#define FLASH_BAUD 24000000
#define FLASH_MINFAST 24000000 //33000000
#define FLASH_BAUD MCK/2
#define FLASH_FASTBAUD MCK
#define FLASH_MINBAUD FLASH_FASTBAUD
#define FASTFLASH (FLASHMEM_SPIBAUDRATE > FLASH_MINFAST)
static int CmdHelp(const char *Cmd);
int usage_flashmem_spibaud(void){
PrintAndLogEx(NORMAL, "Usage: mem spibaud [h] <baudrate>");
PrintAndLogEx(NORMAL, "Options:");
PrintAndLogEx(NORMAL, " h this help");
PrintAndLogEx(NORMAL, " <baudrate> SPI baudrate in MHz [24|48]");
PrintAndLogEx(NORMAL, " ");
PrintAndLogEx(NORMAL, " If >= 24Mhz, FASTREADS instead of READS instruction will be used.");
PrintAndLogEx(NORMAL, " Reading Flash ID will virtually always fail under 48Mhz setting");
PrintAndLogEx(NORMAL, " Unless you know what you are doing, please stay at 24Mhz");
PrintAndLogEx(NORMAL, "Examples:");
PrintAndLogEx(NORMAL, " mem spibaud 48");
return 0;
}
int usage_flashmem_read(void){
PrintAndLogEx(NORMAL, "Read flash memory on device");
PrintAndLogEx(NORMAL, "Usage: mem read o <offset> l <len> [f]");
PrintAndLogEx(NORMAL, "Usage: mem read o <offset> l <len>");
PrintAndLogEx(NORMAL, " o <offset> : offset in memory");
PrintAndLogEx(NORMAL, " l <len> : length");
PrintAndLogEx(NORMAL, " f : fastRead mode");
PrintAndLogEx(NORMAL, "");
PrintAndLogEx(NORMAL, "Examples:");
PrintAndLogEx(NORMAL, " mem read o 0 l 32"); // read 32 bytes starting at offset 0
@ -42,7 +65,6 @@ int usage_flashmem_save(void){
PrintAndLogEx(NORMAL, " o <offset> : offset in memory");
PrintAndLogEx(NORMAL, " l <length> : length");
PrintAndLogEx(NORMAL, " f <filename> : file name");
PrintAndLogEx(NORMAL, " + : fast read mode");
PrintAndLogEx(NORMAL, "");
PrintAndLogEx(NORMAL, "Examples:");
PrintAndLogEx(NORMAL, " mem save f myfile"); // download whole flashmem to file myfile
@ -81,14 +103,9 @@ int CmdFlashMemRead(const char *Cmd) {
uint8_t cmdp = 0;
bool errors = false;
uint32_t start_index = 0, len = 0;
uint8_t fast = 0;
while (param_getchar(Cmd, cmdp) != 0x00 && !errors) {
switch (tolower(param_getchar(Cmd, cmdp))) {
case 'f':
fast = 1;
cmdp += 1;
break;
case 'o':
start_index = param_get32ex(Cmd, cmdp+1, 0, 10);
cmdp += 2;
@ -114,11 +131,24 @@ int CmdFlashMemRead(const char *Cmd) {
return 1;
}
UsbCommand c = {CMD_READ_FLASH_MEM, {start_index, len, fast}};
UsbCommand c = {CMD_FLASHMEM_READ, {start_index, len, 0}};
clearCommandBuffer();
SendCommand(&c);
return 0;
}
int CmdFlashmemSpiBaudrate(const char *Cmd) {
char ctmp = param_getchar(Cmd, 0);
if (strlen(Cmd) < 1 || ctmp == 'h' || ctmp == 'H') return usage_flashmem_spibaud();
uint32_t baudrate = param_get32ex(Cmd, 0, 0, 10);
baudrate = baudrate*1000000;
if (baudrate != FLASH_BAUD && baudrate != FLASH_MINBAUD ) return usage_flashmem_spibaud();
UsbCommand c = {CMD_FLASHMEM_SET_SPIBAUDRATE, {baudrate, 0, 0}};
SendCommand(&c);
return 0;
}
int CmdFlashMemLoad(const char *Cmd){
FILE *f;
@ -196,7 +226,7 @@ int CmdFlashMemLoad(const char *Cmd){
while (bytes_remaining > 0){
uint32_t bytes_in_packet = MIN(FLASH_MEM_BLOCK_SIZE, bytes_remaining);
UsbCommand c = {CMD_WRITE_FLASH_MEM, {start_index + bytes_sent, bytes_in_packet, 0}};
UsbCommand c = {CMD_FLASHMEM_WRITE, {start_index + bytes_sent, bytes_in_packet, 0}};
memcpy(c.d.asBytes, dump + bytes_sent, bytes_in_packet);
clearCommandBuffer();
@ -228,7 +258,6 @@ int CmdFlashMemSave(const char *Cmd){
uint8_t cmdp = 0;
bool errors = false;
uint32_t start_index = 0, len = FLASH_MEM_MAX_SIZE;
uint8_t fast = 0;
while (param_getchar(Cmd, cmdp) != 0x00 && !errors) {
switch (tolower(param_getchar(Cmd, cmdp))) {
@ -241,10 +270,6 @@ int CmdFlashMemSave(const char *Cmd){
start_index = param_get32ex(Cmd, cmdp+1, 0, 10);
cmdp += 2;
break;
case '+':
fast = 1;
cmdp += 1;
break;
case 'f':
//File handling
if ( param_getstr(Cmd, cmdp+1, filename, FILE_PATH_SIZE) >= FILE_PATH_SIZE ) {
@ -314,7 +339,7 @@ int CmdFlashMemWipe(const char *Cmd){
//Validations
if (errors || cmdp == 0 ) return usage_flashmem_wipe();
UsbCommand c = {CMD_WIPE_FLASH_MEM, {page, initalwipe, 0}};
UsbCommand c = {CMD_FLASHMEM_WIPE, {page, initalwipe, 0}};
clearCommandBuffer();
SendCommand(&c);
UsbCommand resp;
@ -359,7 +384,7 @@ int CmdFlashMemInfo(const char *Cmd){
//Validations
if (errors ) return usage_flashmem_info();
UsbCommand c = {CMD_INFO_FLASH_MEM, {0, 0, 0}};
UsbCommand c = {CMD_FLASHMEM_INFO, {0, 0, 0}};
clearCommandBuffer();
SendCommand(&c);
UsbCommand resp;
@ -488,7 +513,7 @@ int CmdFlashMemInfo(const char *Cmd){
if (shall_write) {
// save to mem
c = (UsbCommand){CMD_WRITE_FLASH_MEM, {FLASH_MEM_SIGNATURE_OFFSET, FLASH_MEM_SIGNATURE_LEN, 0}};
c = (UsbCommand){CMD_FLASHMEM_WRITE, {FLASH_MEM_SIGNATURE_OFFSET, FLASH_MEM_SIGNATURE_LEN, 0}};
memcpy(c.d.asBytes, sign, sizeof(sign));
clearCommandBuffer();
SendCommand(&c);
@ -520,6 +545,7 @@ int CmdFlashMemInfo(const char *Cmd){
static command_t CommandTable[] = {
{"help", CmdHelp, 1, "This help"},
{"spibaud", CmdFlashmemSpiBaudrate, 1, "Set Flash memory Spi baudrate [rdv40]"},
{"read", CmdFlashMemRead, 1, "Read Flash memory [rdv40]"},
{"info", CmdFlashMemInfo, 1, "Flash memory information [rdv40]"},
{"load", CmdFlashMemLoad, 1, "Load data into flash memory [rdv40]"},