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-rw-r--r--bus.c18
-rw-r--r--instr-daemon.c4
2 files changed, 11 insertions, 11 deletions
diff --git a/bus.c b/bus.c
index fd5016d..3c83eac 100644
--- a/bus.c
+++ b/bus.c
@@ -166,12 +166,12 @@ static void gpmc_printinfo()
#define MODE_7 0x07
-// multiply by 10 ns
-#define TOTAL_IO_CYCLE 25; // 250 ns cycle
-#define CS_DELAY 2; // CS low 20ns after address valid
-#define DELAY_TO_WR_RD 4; // RD/WR lines low 50ns after address valid
-#define WR_RD_WIDTH 20; // stay low for until 200 ns after address valid
-#define DATA_READY 15; // data ready 150ns after address valid
+// multiply by 20 ns
+#define TOTAL_IO_CYCLE 14 // 280 ns cycle
+#define CS_DELAY 1 // CS low 20ns after address valid
+#define DELAY_TO_WR_RD 2 // RD/WR lines low 40ns after address valid
+#define WR_RD_WIDTH 8 // stay low for until 200 ns after address valid
+#define DATA_READY 8 // data ready 160ns after address valid
static void gpmc_setup(void)
@@ -182,8 +182,8 @@ static void gpmc_setup(void)
int baseaddress = 1;
- int CSWROFFTIME = TOTAL_IO_CYCLE - CS_DELAY;
- int CSRDOFFTIME = TOTAL_IO_CYCLE - CS_DELAY;
+ int CSWROFFTIME = TOTAL_IO_CYCLE;
+ int CSRDOFFTIME = TOTAL_IO_CYCLE;
int CSONTIME = CS_DELAY;
int config2 = (CSWROFFTIME << 16) | (CSRDOFFTIME << 8) | CSONTIME;
@@ -232,7 +232,7 @@ static void gpmc_setup(void)
// disable before playing with the registers..
*(registers + displacement + GPMC_CONFIG7) = 0x0;
- *(registers + displacement + GPMC_CONFIG1) = 0x0;
+ *(registers + displacement + GPMC_CONFIG1) = 0x10; // double all of the timing values
*(registers + displacement + GPMC_CONFIG2) = config2;
*(registers + displacement + GPMC_CONFIG3) = 0x0; // not using ADV so we can ignore this guy
*(registers + displacement + GPMC_CONFIG4) = config4;
diff --git a/instr-daemon.c b/instr-daemon.c
index d3fcf5e..c6b5fa8 100644
--- a/instr-daemon.c
+++ b/instr-daemon.c
@@ -324,7 +324,7 @@ static gboolean periodic_poll (void)
//
// FIXME - comment out everything up to "return TRUE" if this section
// is crashing due to non-functional bus
-/* GPIB_check_for_device_clear_signal();
+ GPIB_check_for_device_clear_signal();
if (GPIB_check_for_messages(globals.Registers.gpib_buffer)) {
if (GPIB_handle_new_input(globals.Registers.gpib_buffer)) {
// FIXME check_for_ctrl_mode_changes();
@@ -332,7 +332,7 @@ static gboolean periodic_poll (void)
}
}
GPIB_check_for_device_clear_signal();
-*/
+
return TRUE;
}