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authorAlejandro Soto <alejandro@34project.org>2022-11-16 19:55:25 -0600
committerAlejandro Soto <alejandro@34project.org>2022-11-16 23:32:25 -0600
commitc64dee965fa00a4b7e3c3705da5e226ea56082ed (patch)
tree2c7371ac62b3b3870b61e411a4a71aa5c1eb281e /tb/jtag_uart.hpp
parent9805cd20d7106082d9a337a1104b4c857f91b514 (diff)
Implement JTAG-UART tx emulation
Diffstat (limited to 'tb/jtag_uart.hpp')
-rw-r--r--tb/jtag_uart.hpp25
1 files changed, 25 insertions, 0 deletions
diff --git a/tb/jtag_uart.hpp b/tb/jtag_uart.hpp
new file mode 100644
index 0000000..6db50f8
--- /dev/null
+++ b/tb/jtag_uart.hpp
@@ -0,0 +1,25 @@
+#ifndef TALLER_JTAG_UART_HPP
+#define TALLER_JTAG_UART_HPP
+
+#include <cstdint>
+
+#include "avalon.hpp"
+
+namespace taller::avalon
+{
+ class jtag_uart : public slave
+ {
+ public:
+ jtag_uart(std::uint32_t base) noexcept;
+
+ virtual bool read(std::uint32_t addr, std::uint32_t &data) noexcept final override;
+ virtual bool write(std::uint32_t addr, std::uint32_t data, unsigned byte_enable) noexcept final override;
+
+ private:
+ bool ctrl_re = false;
+ bool ctrl_we = false;
+ bool ctrl_ac = true;
+ };
+}
+
+#endif