From: Martin Prudek <prudemar@fel.cvut.cz>
Date: Sun, 5 Apr 2015 11:39:36 +0000 (+0200)
Subject: SPI trigger changed to rising edge (formely falling)
X-Git-Url: https://rtime.felk.cvut.cz/gitweb/fpga/rpi-motor-control.git/commitdiff_plain/cd85779b6bc87793aa4ba593713128027bcd1943

SPI trigger changed to rising edge (formely falling)
---

diff --git a/pmsm-control/rpi_mc_simple_dc.vhdl b/pmsm-control/rpi_mc_simple_dc.vhdl
index 93c20f9..e910bf8 100644
--- a/pmsm-control/rpi_mc_simple_dc.vhdl
+++ b/pmsm-control/rpi_mc_simple_dc.vhdl
@@ -195,8 +195,8 @@ begin
 	
 	process
 	begin
-		--position is obtained on rising edge -> we should write it on falling edge
-		wait until (gpio_clk'event and gpio_clk='0');
+		--position is obtained on rising edge -> we should write it on next cycle
+		wait until (gpio_clk'event and gpio_clk='1');
 		
 		--SCLK edge detection
 		spiclk_old(0)<=gpio11;
@@ -219,7 +219,7 @@ begin
 		end if;
 		
 			
-		--sestupna hrana SS, pripravime data pro prenos-prenos zacina nebo zacatek dalsiho ramce
+		--sestupna hrana SS, pripravime data pro prenos
 		if ((ce0_old = "10") ) then 
 			dat_reg(95 downto 64) <= position(31 downto 0); --pozice
 			dat_reg(63 downto 61) <= hal_in(1 to 3); --halovy sondy