diff options
Diffstat (limited to '')
| -rw-r--r-- | drv_LEDMatrix.c | 52 |
1 files changed, 47 insertions, 5 deletions
diff --git a/drv_LEDMatrix.c b/drv_LEDMatrix.c index 38e10ca..f6fdee3 100644 --- a/drv_LEDMatrix.c +++ b/drv_LEDMatrix.c @@ -1,4 +1,4 @@ -/* $Id: drv_LEDMatrix.c,v 1.5 2006/08/13 09:53:10 reinelt Exp $ +/* $Id: drv_LEDMatrix.c,v 1.6 2006/08/13 18:14:03 harbaum Exp $ * * LED matrix driver for LCD4Linux * (see http://www.harbaum.org/till/ledmatrix for hardware) @@ -23,6 +23,9 @@ * * * $Log: drv_LEDMatrix.c,v $ + * Revision 1.6 2006/08/13 18:14:03 harbaum + * Added KVV plugin + * * Revision 1.5 2006/08/13 09:53:10 reinelt * dynamic properties added (used by 'style' of text widget) * @@ -106,7 +109,13 @@ static int port = DSP_DEFAULT_PORT; static void drv_LEDMatrix_blit(const int row, const int col, const int height, const int width) { - int r, c; + int r, c, i; + fd_set rfds; + struct timeval tv; + unsigned char reply[256]; + struct sockaddr_in cli_addr; + int fromlen, ack = 0; + int timeout = 10; for (r = row; r < row + height; r++) { for (c = col; c < col + width; c++) { @@ -127,8 +136,42 @@ static void drv_LEDMatrix_blit(const int row, const int col, const int height, c // scan entire display tx_buffer[0] = DSP_CMD_IMAGE; - if ((sendto(sock, tx_buffer, DSP_MEM + 1, 0, (struct sockaddr *) &dsp_addr, sizeof(dsp_addr))) != DSP_MEM + 1) - error("%s: sendto error on socket", Name); + + do { + + if ((sendto(sock, tx_buffer, DSP_MEM + 1, 0, (struct sockaddr *) &dsp_addr, sizeof(dsp_addr))) != DSP_MEM + 1) + error("%s: sendto error on socket", Name); + + /* now wait for reply */ + + FD_ZERO(&rfds); + FD_SET(sock, &rfds); + tv.tv_sec = 0; + tv.tv_usec = 100000; + + // wait 1 sec for ack + if ((i = select(FD_SETSIZE, &rfds, NULL, NULL, &tv)) < 0) { + perror("select"); + } + + if (FD_ISSET(sock, &rfds)) { + // wait for ack + fromlen = sizeof(dsp_addr); + i = recvfrom(sock, reply, sizeof(reply), 0, (struct sockaddr *) &cli_addr, &fromlen); + if (i < 0) { + perror("recvfrom"); + } else { + if ((i == 2) && (reply[0] == DSP_CMD_ACK) && (reply[1] == DSP_CMD_IMAGE)) { + ack = 1; +// } else if((i > 1) && (reply[0] == DSP_CMD_IR)) { +// ir_receive(reply+1, i-1); + } else { + fprintf(stderr, "Unexpected reply message\n"); + } + } + } + timeout--; + } while ((!ack) && (timeout > 0)); } static int drv_LEDMatrix_start(const char *section) @@ -137,7 +180,6 @@ static int drv_LEDMatrix_start(const char *section) struct sockaddr_in cli_addr; struct hostent *hp; int val; - char *attr; IPAddress = cfg_get(section, "IPAddress", NULL); if (IPAddress == NULL || *IPAddress == '\0') { |