#include "cmdlf.h"
#include "cmdmain.h"
#include "util.h"
+#include "cmdscript.h"
+
unsigned int current_command = CMD_UNKNOWN;
-unsigned int received_command = CMD_UNKNOWN;
-UsbCommand current_response;
-UsbCommand current_response_user;
+//unsigned int received_command = CMD_UNKNOWN;
+//UsbCommand current_response;
+//UsbCommand current_response_user;
static int CmdHelp(const char *Cmd);
static int CmdQuit(const char *Cmd);
//Points to the next empty position to write to
static int cmd_head;//Starts as 0
//Points to the position of the last unread command
-static int cmd_tail = -1;//Starts as -1
+static int cmd_tail;//Starts as 0
static command_t CommandTable[] =
{
{"hw", CmdHW, 1, "{ Hardware commands... }"},
{"lf", CmdLF, 1, "{ LF commands... }"},
{"quit", CmdQuit, 1, "Quit program"},
+ {"script", CmdScript, 1,"Run script"},
{NULL, NULL, 0, NULL}
};
* @return true if command was returned, otherwise false
*/
bool WaitForResponseTimeout(uint32_t cmd, UsbCommand* response, size_t ms_timeout) {
+
+ if (response == NULL) {
+ UsbCommand resp;
+ response = &resp;
+ }
// Wait until the command is received
for(size_t dm_seconds=0; dm_seconds < ms_timeout/10; dm_seconds++) {
- if(getCommand(response) && response->cmd == cmd){
+ while(getCommand(response))
+ {
+ if(response->cmd == cmd){
//We got what we expected
return true;
+ }
+
}
msleep(10); // XXX ugh
if (dm_seconds == 200) { // Two seconds elapsed
default: {
// Maybe it's a response
+ /*
switch(current_command) {
case CMD_DOWNLOAD_RAW_ADC_SAMPLES_125K: {
if (UC->cmd != CMD_DOWNLOADED_RAW_ADC_SAMPLES_125K) {
memcpy(sample_buf+UC->arg[0],UC->d.asBytes,48);
sample_buf_len += 48;
// for(i=0; i<48; i++) sample_buf[i] = UC->d.asBytes[i];
- received_command = UC->cmd;
+ //received_command = UC->cmd;
} break;
default: {
} break;
- }
- } break;
+ }*/
+ }
+ break;
}
storeCommand(UC);
}
+
+/**
+ * @brief This method should be called when sending a new command to the pm3. In case any old
+ * responses from previous commands are stored in the buffer, a call to this method should clear them.
+ * A better method could have been to have explicit command-ACKS, so we can know which ACK goes to which
+ * operation. Right now we'll just have to live with this.
+ */
+void clearCommandBuffer()
+{
+ //This is a very simple operation
+ cmd_tail = cmd_head;
+}
+
/**
* @brief storeCommand stores a USB command in a circular buffer
* @param UC
*/
void storeCommand(UsbCommand *command)
{
- if(cmd_head == cmd_tail)
+ if( ( cmd_head+1) % CMD_BUFFER_SIZE == cmd_tail)
{
//If these two are equal, we're about to overwrite in the
// circular buffer.
UsbCommand* destination = &cmdBuffer[cmd_head];
memcpy(destination, command, sizeof(UsbCommand));
- //Also, if cmd_tail is still -1 because the buffer was
- // previously empty, set it to head
- if(cmd_tail < 0) {
- cmd_tail = cmd_head;
- }
-
- cmd_head++; //increment head
- cmd_head %= CMD_BUFFER_SIZE;//wrap around
+ cmd_head = (cmd_head +1) % CMD_BUFFER_SIZE; //increment head and wrap
}
/**
int getCommand(UsbCommand* response)
{
//If head == tail, there's nothing to read, or if we just got initialized
- if(cmd_head == cmd_tail || cmd_tail == -1){
+ if(cmd_head == cmd_tail){
return 0;
}
//Pick out the next unread command
memcpy(response, last_unread, sizeof(UsbCommand));
//Increment tail - this is a circular buffer, so modulo buffer size
cmd_tail = (cmd_tail +1 ) % CMD_BUFFER_SIZE;
- //In order to detect when the buffer overwrites itself, we set the
- // tail to -1 whenever it 'catches up' with head : this means the buffer is empty.
- // Otherwise, head==tail could mean both: either empty or full.
- if(cmd_tail == cmd_head){
- cmd_tail = -1 ;
- }
return 1;