1 files changed, 0 insertions, 149 deletions
diff --git a/sw/z80/kernel/include/usart.h b/sw/z80/kernel/include/usart.h
deleted file mode 100644
index 3e5c070..0000000
--- a/sw/z80/kernel/include/usart.h
+++ /dev/null
@@ -1,149 +0,0 @@
-#ifndef __USART_H__
-#define __USART_H__
-
-#include "types.h"
-#include "devices.h"
-
-#include "string.h"
-
-// baudrate clock divisors 
-// values from TL16C550C datasheet (table 9 for 1.8432 MHz crystal)
-#define USART_BAUDRATE_50       2304
-#define USART_BAUDRATE_75       1536
-#define USART_BAUDRATE_110      1047
-#define USART_BAUDRATE_134_5    857
-#define USART_BAUDRATE_150      768
-#define USART_BAUDRATE_300      384
-#define USART_BAUDRATE_600      192
-#define USART_BAUDRATE_1200     96
-#define USART_BAUDRATE_1800     64
-#define USART_BAUDRATE_2000     58
-#define USART_BAUDRATE_2400     48
-#define USART_BAUDRATE_3600     32
-#define USART_BAUDRATE_4800     24
-#define USART_BAUDRATE_7200     16
-#define USART_BAUDRATE_9600     12
-#define USART_BAUDRATE_19200    6
-#define USART_BAUDRATE_38400    3
-#define USART_BAUDRATE_56000    3
-
-// parity
-#define USART_PARITY_NONE       0
-#define USART_PARITY_EVEN       1
-#define USART_PARITY_ODD        2
-
-// stop bits
-#define USART_STOP_BITS_1       10
-#define USART_STOP_BITS_15      15
-#define USART_STOP_BITS_2       20
-
-// word lenght
-#define USART_WORD_LENGTH_5     0
-#define USART_WORD_LENGTH_6     1
-#define USART_WORD_LENGTH_7     2
-#define USART_WORD_LENGTH_8     3
-
-// autoflow
-#define USART_AUTOFLOW_ALL      3
-#define USART_AUTOFLOW_CTS      2
-#define USART_AUTOFLOW_OFF      0
-
-
-/* this structure is only for internal usage */
-struct _usart_device
-{
-    register_t buffer;  // also used as LSB for divisor latch
-
-    struct IER 
-    {
-        volatile int received_data_interrupt :1;
-        volatile int transmitter_empty_interrupt :1;
-        volatile int receiver_line_status_interrupt :1;
-        volatile int modem_status_interrupt :1;
-        volatile int reserved :4;
-    } IER;
-
-    struct IIR
-    {
-        volatile int interrupt_pending :1;
-        volatile int interrupt_id :3;
-        volatile int reserved :2;
-        volatile int fifos :2;
-    } IIR;
-
-    struct FCR
-    {
-        volatile int fifo_enable :1;
-        volatile int receiver_fifo_rst :1;
-        volatile int trasmitter_fifo_rst :1;
-        volatile int dma_mode_select :1;
-        volatile int reserved :1;
-        volatile int receiver_trigger :2;
-    } FCR;
-
-    struct LCR
-    {
-        volatile int word_length :2;
-        volatile int stop_bits :1;
-        volatile int parity :1;
-        volatile int even_parity :1;
-        volatile int stick_parity :1;
-        volatile int break_control :1;
-        volatile int divisor_latch_access :1;
-    } LCR;
-
-    struct MCR
-    {
-        volatile int data_terminal_ready :1;
-        volatile int request_to_send :1;
-        volatile int out1;
-        volatile int out2;
-        volatile int loop;
-        volatile int autoflow :1;
-        volatile int reserved :2;
-    } MCR;
-
-    struct LSR 
-    {
-        volatile int data_ready :1;
-        volatile int overrun_error :1;
-        volatile int parity_error :1;
-        volatile int framing_error :1;
-        volatile int break_interrupt :1;
-        volatile int transmitter_holder_empty :1;
-        volatile int transmitter_empty :1;
-        volatile int fifo_recv_error :1;
-    } LSR;
-
-    struct MSR
-    {
-        volatile int delta_cts :1;
-        volatile int delta_data_set_ready :1;
-        volatile int trailing_edge_ring_indicator :1;
-        volatile int delta_data_carrier_detect :1;
-        volatile int clear_to_send :1;
-        volatile int data_set_ready :1;
-        volatile int ring_indicator :1;
-        volatile int data_carrier_detect :1;
-    } MSR;
-
-    register_t scratch;
-};
-
-
-// setup functions (wrappers)
-void usart_set_baudrate(uint16_t baudrate);
-void usart_set_parity(int mode);
-void usart_set_stop_bits(int count);
-void usart_set_word_length(int length);
-void usart_set_autoflow(int mode);
-
-inline void usart_init(uint16_t baudrate, int parity, int stop_bits); 
-
-void usart_transmit(uint8_t data);
-uint8_t usart_receive();
-
-int usart_write(uint8_t *data, size_t size);
-int usart_read(uint8_t *buffer, size_t count);
-
-#endif // __USART__H__