From eb72fb53bcb5d63d6e9a382d31a360f153f8932a Mon Sep 17 00:00:00 2001
From: Vladimir Burian <buriavl2@fel.cvut.cz>
Date: Sun, 9 Jan 2011 14:53:16 +0100
Subject: [PATCH] Added TimerA instance. IRQs are unconnected.

---
 openMSP430_uart.vhd | 82 +++++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 79 insertions(+), 3 deletions(-)

diff --git a/openMSP430_uart.vhd b/openMSP430_uart.vhd
index f1fa1c2..3da8720 100644
--- a/openMSP430_uart.vhd
+++ b/openMSP430_uart.vhd
@@ -118,9 +118,47 @@ architecture rtl of openMSP430_uart is
     );
   end component;
 
+  component omsp_timerA
+    port (
+      irq_ta0     : out std_logic;      -- Timer A interrupt: TACCR0
+      irq_ta1     : out std_logic;                       -- Timer A interrupt: TAIV, TACCR1, TACCR2
+      per_dout    : out std_logic_vector (15 downto 0);  -- Peripheral data output
+      ta_out0     : out std_logic;                       -- Timer A output 0
+      ta_out0_en  : out std_logic;      -- Timer A output 0 enable
+      ta_out1     : out std_logic;      -- Timer A output 1
+      ta_out1_en  : out std_logic;      -- Timer A output 1 enable
+      ta_out2     : out std_logic;      -- Timer A output 2
+      ta_out2_en  : out std_logic;      -- Timer A output 2 enable
+
+      aclk_en     : in std_logic;       -- ACLK enable (from CPU)
+      dbg_freeze  : in std_logic;       -- Freeze Timer A counter
+      inclk       : in std_logic;       -- INCLK external timer clock (SLOW)
+      irq_ta0_acc : in std_logic;       -- Interrupt request TACCR0 accepted
+      mclk        : in std_logic;                        -- Main system clock
+      per_addr    : in std_logic_vector (7  downto 0);   -- Peripheral address
+      per_din     : in std_logic_Vector (15 downto 0);   -- Peripheral data input
+      per_en      : in std_logic;                        -- Peripheral enable (high active)
+      per_wen     : in std_logic_vector (1  downto 0);   -- Peripheral write enable (high active)
+      puc         : in std_logic;                        -- Main system reset
+      smclk_en    : in std_logic;       -- SMCLK enable (from CPU)
+      ta_cci0a    : in std_logic;       -- Timer A capture 0 input A
+      ta_cci0b    : in std_logic;       -- Timer A capture 0 input B
+      ta_cci1a    : in std_logic;       -- Timer A capture 1 input A
+      ta_cci1b    : in std_logic;       -- Timer A capture 1 input B
+      ta_cci2a    : in std_logic;       -- Timer A capture 2 input A
+      ta_cci2b    : in std_logic;       -- Timer A capture 2 input B
+      taclk       : in std_logic        -- TACLK external timer clock (SLOW)
+    );
+  end component;
+
 
   signal mclk : std_logic;
   signal puc : std_logic;
+  signal aclk_en : std_logic;
+  signal smclk_en : std_logic;
+  
+  signal irq_acc : std_logic_vector (13 downto 0);
+  signal irq : std_logic_vector (13 downto 0);
 
   signal pmem_addr : std_logic_vector (10 downto 0);
   signal pmem_dout : std_logic_vector (15 downto 0);
@@ -138,11 +176,15 @@ architecture rtl of openMSP430_uart is
   signal per_en : std_logic;
   signal per_addr : std_logic_vector (7 downto 0);
 
+
+  signal gpio_per_dout : std_logic_vector (15 downto 0);
+  signal timerA_per_dout : std_logic_vector (15 downto 0);
+
 --------------------------------------------------------------------------------
 
 begin
   openMSP430_0 : openMSP430 port map (
-    aclk_en       => open,
+    aclk_en       => aclk_en,
     dbg_freeze    => open,
     dbg_uart_txd  => open,
     dmem_addr     => dmem_addr,
@@ -160,7 +202,7 @@ begin
     pmem_din      => open,
     pmem_wen      => open,
     puc           => puc,
-    smclk_en      => open,
+    smclk_en      => smclk_en,
   
     dbg_uart_rxd  => '0',
     dco_clk       => CLK_24MHz,
@@ -242,7 +284,7 @@ begin
       p6_dout => open,
       p6_dout_en => open,
       p6_sel => open,
-      per_dout => per_dout,
+      per_dout => gpio_per_dout,
       mclk => mclk,
       p1_din => (others => '0'),
       p2_din => (others => '0'),
@@ -257,6 +299,40 @@ begin
       puc => puc
     );
 
+  omsp_timerA_0 : omsp_timerA port map (
+    irq_ta0     => open,
+    irq_ta1     => open,
+    per_dout    => timerA_per_dout,
+    ta_out0     => open,
+    ta_out0_en  => open,
+    ta_out1     => open,
+    ta_out1_en  => open,
+    ta_out2     => open,
+    ta_out2_en  => open,
+
+    aclk_en     => aclk_en,
+    dbg_freeze  => '0',
+    inclk       => '0',
+    irq_ta0_acc => '0',
+    mclk        => mclk,
+    per_addr    => per_addr,
+    per_din     => per_din,
+    per_en      => per_en,
+    per_wen     => per_wen,
+    puc         => puc,
+    smclk_en    => smclk_en,
+    ta_cci0a    => '0',
+    ta_cci0b    => '0',
+    ta_cci1a    => '0',
+    ta_cci1b    => '0',
+    ta_cci2a    => '0',
+    ta_cci2b    => '0',
+    taclk       => '0'
+  );
+
+--------------------------------------------------------------------------------
+
+  per_dout <=  gpio_per_dout or timerA_per_dout;
   
 end rtl;
 
-- 
2.39.2