Added reload flag to the stream cmd.

This reloads the last command to handle continuous streaming in hardware.
Moved rx control register setup and stream command issuing to the host.

4 files changed, 2 insertions, 27 deletions

diff --git a/firmware/microblaze/lib/banal.c b/firmware/microblaze/lib/banal.c
index 23f5f3b8a..42937957f 100644
--- a/firmware/microblaze/lib/banal.c
+++ b/firmware/microblaze/lib/banal.c
@@ -29,21 +29,3 @@ get_uint64(const unsigned char *s)
 {
   return (((uint64_t)get_uint32(s)) << 32) | get_uint32(s+4);
 }
-
-uint32_t
-divide_uint64(uint64_t dividend, uint32_t divisor)
-{
-    uint32_t result = 0;
-    uint64_t dividend_ = 0;
-    for(int i = 31; i >= 0; i--){
-        //approximate the divisor with the ith result bit set
-        uint64_t tmp = dividend_;
-        tmp += (uint64_t)divisor << i;
-        //set the ith result bit if the approximation is less
-        if (tmp <= dividend){
-            dividend_ = tmp;
-            result |= 1 << i;
-        }
-    }
-    return result;
-}
diff --git a/firmware/microblaze/lib/banal.h b/firmware/microblaze/lib/banal.h
index 6d9420602..7b3c71a20 100644
--- a/firmware/microblaze/lib/banal.h
+++ b/firmware/microblaze/lib/banal.h
@@ -87,7 +87,4 @@ get_int64(const unsigned char *s)
 void
 print_ip(struct ip_addr ip);
 
-uint32_t
-divide_uint64(uint64_t dividend, uint32_t divisor);
-
 #endif /* INCLUDED_BANAL_H */
diff --git a/firmware/microblaze/lib/memory_map.h b/firmware/microblaze/lib/memory_map.h
index fed1e5259..cdf3dd338 100644
--- a/firmware/microblaze/lib/memory_map.h
+++ b/firmware/microblaze/lib/memory_map.h
@@ -525,10 +525,6 @@ typedef struct {
   volatile uint32_t     pad[7];         // Make each structure 16 elements long
 } sr_rx_ctrl_t;
 
-#define MAX_SAMPLES_PER_CMD 0x3fffffff
-#define	MK_RX_CMD(nsamples, now, chain) \
-  ((((now) & 0x1) << 31) | (((chain) & 0x1) << 30) | ((nsamples) & 0x3fffffff))
-
 #define sr_rx_ctrl ((sr_rx_ctrl_t *) _SR_ADDR(SR_RX_CTRL))
 
 // --- dsp rx regs ---
diff --git a/firmware/microblaze/lib/u2_init.c b/firmware/microblaze/lib/u2_init.c
index 399d834cb..40237ba87 100644
--- a/firmware/microblaze/lib/u2_init.c
+++ b/firmware/microblaze/lib/u2_init.c
@@ -50,8 +50,8 @@ u2_init(void)
   hal_gpio_set_ddr(GPIO_TX_BANK, 0x0000, 0xffff);
   hal_gpio_set_ddr(GPIO_RX_BANK, 0x0000, 0xffff);
 
-  hal_gpio_write(GPIO_TX_BANK, 0x0000, 0xffff);	// init s/w output value to zero
-  hal_gpio_write(GPIO_RX_BANK, 0x0000, 0xffff);
+  //hal_gpio_write(GPIO_TX_BANK, 0x0000, 0xffff);	// init s/w output value to zero
+  //hal_gpio_write(GPIO_RX_BANK, 0x0000, 0xffff);
 
   dsp_rx_regs->gpio_stream_enable = 0; // I, Q LSBs come from DSP