update cpld files from VHDL dev machine and delete programmer code (unused)

1 files changed, 0 insertions, 107 deletions

diff --git a/sw/programmer/avr/usart.c b/sw/programmer/avr/usart.c
deleted file mode 100644
index 3d5faf6..0000000
--- a/sw/programmer/avr/usart.c
+++ /dev/null
@@ -1,107 +0,0 @@
-#include "usart.h"
-
-static uint16_t usart_baudrate;
-static uint16_t usart_baud_prescale;
-
-void usart_init(uint16_t baudrate)
-{
-    // enable RX and TX
-    UCSR0B |= _BV(RXEN0) | _BV(TXEN0);
-    
-    // set 8 bit size char
-    UCSR0C |= _BV(UCSZ01) | _BV(UCSZ00);
-
-    // set baudrate 
-    usart_baudrate = baudrate;
-    usart_baud_prescale = (F_CPU / (usart_baudrate * 16)) -1;
-    
-    UBRR0L = usart_baud_prescale;
-    UBRR0H = usart_baud_prescale >> 8;
-}
-
-void usart_send_byte(uint8_t data)
-{
-    while (!(UCSR0A & _BV(UDRE0)));
-    UDR0 = data;
-}
-
-void usart_send(uint8_t *data, size_t len)
-{
-    uint8_t *p = data;
-
-    while (len--) {
-        usart_send_byte(*(p++));
-    }
-}
-
-void usart_print(char *str)
-{
-    char *p = str;
-    size_t len = 0;
-
-    while (*p++ != '\0') {
-        len++;
-    }
-
-    usart_send((uint8_t *) str, len);
-}
-
-int usart_read_byte(uint8_t *byte)
-{
-    uint16_t timeout = USART_TIMEOUT;
-
-    do {
-        if (UCSR0A & _BV(RXC0)) {
-            *byte = UDR0;
-            return 0;
-        }
-    } while (timeout--);
-
-    return -1;
-}
-
-uint8_t usart_read_byte_nt(void)
-{
-    while ((UCSR0A & _BV(RXC0)) == 0);
-    return UDR0;
-}
-
-
-size_t usart_read(uint8_t *buffer, size_t len)
-{
-    size_t read = 0;
-    uint8_t *p = buffer;
-
-    while (len--) {
-        if (usart_read_byte(p) == 0) {
-            p++; 
-            read++;
-        }
-    }
-
-    return read;
-}
-
-int usart_read_line(uint8_t *buffer, size_t len)
-{
-    uint8_t ch;
-    uint8_t *p = buffer;
-    size_t read = 0;
-
-    while (len--) {
-        if (usart_read_byte(&ch) != 0)
-            continue;
-        else
-            read++;
-
-        if (ch == '\n')
-            break;
-        else
-            *(p++) = ch;
-    }
-
-    if (ch != '\n')
-        return -1;
-
-    return 0;
-}