[Commit-gnuradio] r5198 - gnuradio/branches/developers/matt/u2f/firmware

[matt]

Author: matt
Date: 2007-04-30 16:39:23 -0600 (Mon, 30 Apr 2007)
New Revision: 5198

Modified:
   gnuradio/branches/developers/matt/u2f/firmware/bootstrap.c
Log:
control gpios and serial dac


Modified: gnuradio/branches/developers/matt/u2f/firmware/bootstrap.c
===================================================================
--- gnuradio/branches/developers/matt/u2f/firmware/bootstrap.c  2007-04-30 
22:38:54 UTC (rev 5197)
+++ gnuradio/branches/developers/matt/u2f/firmware/bootstrap.c  2007-04-30 
22:39:23 UTC (rev 5198)
@@ -6,10 +6,10 @@
   // Set up AD9510
   spi_init();
 
-  spi_transact(SPI_TXONLY, SPI_SS_AD9510, 0x00004500, 24); // CLK2 drives 
distribution
-  spi_transact(SPI_TXONLY, SPI_SS_AD9510, 0x00003D80, 24); // Turn on output 
1, normal levels
-  spi_transact(SPI_TXONLY, SPI_SS_AD9510, 0x00004B80, 24); // Bypass divider
-  spi_transact(SPI_TXONLY, SPI_SS_AD9510, 0x00005A01, 24); // Update Regs
+  spi_transact(SPI_TXONLY, SPI_SS_AD9510, 0x00004500, 24, 0); // CLK2 drives 
distribution
+  spi_transact(SPI_TXONLY, SPI_SS_AD9510, 0x00003D80, 24, 0); // Turn on 
output 1, normal levels
+  spi_transact(SPI_TXONLY, SPI_SS_AD9510, 0x00004B80, 24, 0); // Bypass divider
+  spi_transact(SPI_TXONLY, SPI_SS_AD9510, 0x00005A01, 24, 0); // Update Regs
 
   spi_wait();
 
@@ -18,8 +18,28 @@
   volatile char *p = (char *) OUTPUTS_BASE + OUTPUTS_CLK;
   *p = clock_controls;
 
+  // Set GPIOs to outputs
+  volatile unsigned short *gpio_ddr_rx = (unsigned short *)(GPIO_BASE + 
GPIO_DDR + GPIO_RX);
+  volatile unsigned short *gpio_ddr_tx = (unsigned short *)(GPIO_BASE + 
GPIO_DDR + GPIO_TX);
+  volatile unsigned short *gpio_io_rx = (unsigned short *)(GPIO_BASE + GPIO_IO 
+ GPIO_RX);
+  volatile unsigned short *gpio_io_tx = (unsigned short *)(GPIO_BASE + GPIO_IO 
+ GPIO_TX);
+  
+  *gpio_ddr_rx = 0xffff;
+  *gpio_ddr_tx = 0xffff;
+  
+  *gpio_io_rx = (short) 0xDEAD;
+  *gpio_io_tx = (short) 0xBEEF;
+  
+  // Set up DAC
+  int i = 0;
+  while(1) {
+    int command = (3 << 19) | (0 << 16) |  (i & 0xffff);
+    spi_transact(SPI_TXONLY, SPI_SS_TX_DAC, command, 24, 1); // negate TX phase
+    i++;
+
+  }
+
   // Control LEDs
-
   volatile char *leds = (char *) OUTPUTS_BASE + OUTPUTS_MISC;
   while(1) {
     *leds = (char) 0x00;