X-Git-Url: http://cvs.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/bce5d24494997238052d7f3fa7a3b89df43bce9f..afdcb8c159a73aba95a017f1cfec98e8fa2b93c1:/client/flash.c diff --git a/client/flash.c b/client/flash.c index 4e222ece..bf01b911 100644 --- a/client/flash.c +++ b/client/flash.c @@ -11,17 +11,17 @@ #include #include #include +#include +#include + #include "proxmark3.h" -#include "sleep.h" +#include "util.h" +#include "util_posix.h" #include "flash.h" #include "elf.h" #include "proxendian.h" #include "usb_cmd.h" - -void SendCommand(UsbCommand* txcmd); -void ReceiveCommand(UsbCommand* rxcmd); -void CloseProxmark(); -int OpenProxmark(size_t i); +#include "comms.h" // FIXME: what the fuckity fuck unsigned int current_command = CMD_UNKNOWN; @@ -41,6 +41,32 @@ static const uint8_t elf_ident[] = { EV_CURRENT }; +void CloseProxmark(receiver_arg* conn, char* serial_port_name) { + pthread_mutex_lock(&conn->recv_lock); + + // Block the port from being used by anything + serial_port* my_port = GetSerialPort(); + SetSerialPort(NULL); + + // Then close the port. + uart_close(my_port); + pthread_mutex_unlock(&conn->recv_lock); + + // Fix for linux, it seems that it is extremely slow to release the serial port file descriptor /dev/* + unlink(serial_port_name); +} + +bool OpenProxmark(char* serial_port_name) { + serial_port *new_port = uart_open(serial_port_name); + if (new_port == INVALID_SERIAL_PORT || new_port == CLAIMED_SERIAL_PORT) { + //poll once a second + return false; + } + + SetSerialPort(new_port); + return true; +} + // Turn PHDRs into flasher segments, checking for PHDR sanity and merging adjacent // unaligned segments if needed static int build_segs_from_phdrs(flash_file_t *ctx, FILE *fd, Elf32_Phdr *phdrs, int num_phdrs) @@ -275,9 +301,12 @@ static int get_proxmark_state(uint32_t *state) { UsbCommand c; c.cmd = CMD_DEVICE_INFO; - SendCommand(&c); + SendCommand(&c); UsbCommand resp; - ReceiveCommand(&resp); + while (!WaitForResponse(CMD_ANY, &resp)) { + // Keep waiting for a response + msleep(100); + } // Three outcomes: // 1. The old bootrom code will ignore CMD_DEVICE_INFO, but respond with an ACK @@ -295,7 +324,7 @@ static int get_proxmark_state(uint32_t *state) *state = resp.arg[0]; break; default: - fprintf(stderr, "Error: Couldn't get proxmark state, bad response type: 0x%04"llx"\n", resp.cmd); + fprintf(stderr, "Error: Couldn't get proxmark state, bad response type: 0x%04" PRIx64 "\n", resp.cmd); return -1; break; } @@ -304,7 +333,7 @@ static int get_proxmark_state(uint32_t *state) } // Enter the bootloader to be able to start flashing -static int enter_bootloader(char *serial_port_name) +static int enter_bootloader(receiver_arg* conn, char *serial_port_name) { uint32_t state; @@ -335,16 +364,17 @@ static int enter_bootloader(char *serial_port_name) SendCommand(&c); fprintf(stderr,"Press and hold down button NOW if your bootloader requires it.\n"); } - msleep(100); - CloseProxmark(); + + msleep(100); + CloseProxmark(conn, serial_port_name); fprintf(stderr,"Waiting for Proxmark to reappear on %s",serial_port_name); - do { + do { sleep(1); fprintf(stderr, "."); - } while (!OpenProxmark(0)); + } while (!OpenProxmark(serial_port_name)); + fprintf(stderr," Found.\n"); - return 0; } @@ -352,23 +382,25 @@ static int enter_bootloader(char *serial_port_name) return -1; } -static int wait_for_ack(void) +static int wait_for_ack() { - UsbCommand ack; - ReceiveCommand(&ack); - if (ack.cmd != CMD_ACK) { - printf("Error: Unexpected reply 0x%04"llx" (expected ACK)\n", ack.cmd); + UsbCommand resp; + while (!WaitForResponse(CMD_ANY, &resp)) { + msleep(100); + } + if (resp.cmd != CMD_ACK) { + printf("Error: Unexpected reply 0x%04" PRIx64 " (expected ACK)\n", resp.cmd); return -1; } return 0; } // Go into flashing mode -int flash_start_flashing(int enable_bl_writes,char *serial_port_name) +int flash_start_flashing(receiver_arg* conn, int enable_bl_writes,char *serial_port_name) { uint32_t state; - if (enter_bootloader(serial_port_name) < 0) + if (enter_bootloader(conn, serial_port_name) < 0) return -1; if (get_proxmark_state(&state) < 0) @@ -467,9 +499,9 @@ void flash_free(flash_file_t *ctx) } // just reset the unit -int flash_stop_flashing(void) { +int flash_stop_flashing() { UsbCommand c = {CMD_HARDWARE_RESET}; - SendCommand(&c); - msleep(100); - return 0; + SendCommand(&c); + msleep(100); + return 0; }