CHG: removed a delay in readblock

[proxmark3-svn] / armsrc / appmain.c

diff --git a/armsrc/appmain.c b/armsrc/appmain.c
index 4d6a5fdfbd73313b08af7d6659c2bf7185116a41..4eabb319170c1e0390c8f8f531d4f7483317d35d 100644 (file)
--- a/armsrc/appmain.c
+++ b/armsrc/appmain.c
@@ -182,9 +182,7 @@ static int ReadAdc(int ch)
 
 int AvgAdc(int ch) // was static - merlok
 {
-       int i;
-       int a = 0;
-
+       int i, a = 0;
        for(i = 0; i < 32; ++i)
                a += ReadAdc(ch);
 
@@ -1276,19 +1274,36 @@ void UsbPacketReceived(uint8_t *packet, int len)
                        LED_B_ON();
                        uint8_t *BigBuf = BigBuf_get_addr();
                        size_t len = 0;
-                       for(size_t i=0; i<c->arg[1]; i += USB_CMD_DATA_SIZE) {
-                               len = MIN((c->arg[1] - i),USB_CMD_DATA_SIZE);
-                               cmd_send(CMD_DOWNLOADED_RAW_ADC_SAMPLES_125K,i,len,BigBuf_get_traceLen(),BigBuf+c->arg[0]+i,len);
+                       size_t startidx = c->arg[0];
+                       uint8_t isok = FALSE;
+                       // arg0 = startindex
+                       // arg1 = length bytes to transfer
+                       // arg2 = RFU
+                       //Dbprintf("transfer to client parameters: %llu | %llu | %llu", c->arg[0], c->arg[1], c->arg[2]);
+                       
+                       for(size_t i = 0; i < c->arg[1]; i += USB_CMD_DATA_SIZE) {
+                               len = MIN( (c->arg[1] - i), USB_CMD_DATA_SIZE);
+                               isok = cmd_send(CMD_DOWNLOADED_RAW_ADC_SAMPLES_125K, i, len, BigBuf_get_traceLen(), BigBuf + startidx + i, len);
+                               if (!isok) 
+                                       Dbprintf("transfer to client failed ::  | bytes %d", len);
                        }
                        // Trigger a finish downloading signal with an ACK frame
-                       cmd_send(CMD_ACK,1,0,BigBuf_get_traceLen(),getSamplingConfig(),sizeof(sample_config));
+                       cmd_send(CMD_ACK, 1, 0, BigBuf_get_traceLen(), getSamplingConfig(), sizeof(sample_config));
                        LED_B_OFF();
                        break;
                }
                case CMD_DOWNLOADED_SIM_SAMPLES_125K: {
+                       // iceman; since changing fpga_bitstreams clears bigbuff, Its better to call it before.
+                       // to be able to use this one for uploading data to device 
+                       // arg1 = 0 upload for LF usage 
+                       //        1 upload for HF usage
+                       if ( c->arg[1] == 0 )
+                               FpgaDownloadAndGo(FPGA_BITSTREAM_LF);
+                       else 
+                               FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
                        uint8_t *b = BigBuf_get_addr();
                        memcpy( b + c->arg[0], c->d.asBytes, USB_CMD_DATA_SIZE);
-                       cmd_send(CMD_ACK,0,0,0,0,0);
+                       cmd_send(CMD_ACK,1,0,0,0,0);
                        break;
                }
                case CMD_DOWNLOAD_EML_BIGBUF: {