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//
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// Example of using UART with stream
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//
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#include <avr/io.h> |
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#include <util/delay.h> |
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#include <avr/pgmspace.h> |
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#include <avr/interrupt.h> |
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#include <stdint.h> |
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#include <stdlib.h> |
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#include "lib/uart.h" |
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#include "lib/stream.h" |
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void main() |
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{ |
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// Enable UART with baud rate 9600
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uart_init(9600); |
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// Functions from `stream.h` will work with any stream
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// "uart" is a pointer to the UART stream
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put_str(uart, "UART is 1337"); |
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put_nl(uart); |
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put_str_P(uart, PSTR("String from program memory!!!")); |
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put_nl(uart); |
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put_u16f(uart, 31416, 4); |
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while(1); |
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} |
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@ -0,0 +1,225 @@ |
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uart_stream.elf: file format elf32-avr |
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Disassembly of section .text: |
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00000000 <__vectors>: |
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0: 33 c0 rjmp .+102 ; 0x68 <__ctors_end> |
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2: 00 00 nop |
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4: 4c c0 rjmp .+152 ; 0x9e <__bad_interrupt> |
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6: 00 00 nop |
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8: 4a c0 rjmp .+148 ; 0x9e <__bad_interrupt> |
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a: 00 00 nop |
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c: 48 c0 rjmp .+144 ; 0x9e <__bad_interrupt> |
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e: 00 00 nop |
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10: 46 c0 rjmp .+140 ; 0x9e <__bad_interrupt> |
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12: 00 00 nop |
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14: 44 c0 rjmp .+136 ; 0x9e <__bad_interrupt> |
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16: 00 00 nop |
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18: 42 c0 rjmp .+132 ; 0x9e <__bad_interrupt> |
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1a: 00 00 nop |
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1c: 40 c0 rjmp .+128 ; 0x9e <__bad_interrupt> |
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1e: 00 00 nop |
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20: 3e c0 rjmp .+124 ; 0x9e <__bad_interrupt> |
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22: 00 00 nop |
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24: 3c c0 rjmp .+120 ; 0x9e <__bad_interrupt> |
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26: 00 00 nop |
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28: 3a c0 rjmp .+116 ; 0x9e <__bad_interrupt> |
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2a: 00 00 nop |
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2c: 38 c0 rjmp .+112 ; 0x9e <__bad_interrupt> |
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2e: 00 00 nop |
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30: 36 c0 rjmp .+108 ; 0x9e <__bad_interrupt> |
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32: 00 00 nop |
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34: 34 c0 rjmp .+104 ; 0x9e <__bad_interrupt> |
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36: 00 00 nop |
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38: 32 c0 rjmp .+100 ; 0x9e <__bad_interrupt> |
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3a: 00 00 nop |
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3c: 30 c0 rjmp .+96 ; 0x9e <__bad_interrupt> |
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3e: 00 00 nop |
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40: 2e c0 rjmp .+92 ; 0x9e <__bad_interrupt> |
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42: 00 00 nop |
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44: 2c c0 rjmp .+88 ; 0x9e <__bad_interrupt> |
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46: 00 00 nop |
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48: 2a c0 rjmp .+84 ; 0x9e <__bad_interrupt> |
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4a: 00 00 nop |
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4c: 28 c0 rjmp .+80 ; 0x9e <__bad_interrupt> |
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4e: 00 00 nop |
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50: 26 c0 rjmp .+76 ; 0x9e <__bad_interrupt> |
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52: 00 00 nop |
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54: 24 c0 rjmp .+72 ; 0x9e <__bad_interrupt> |
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56: 00 00 nop |
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58: 22 c0 rjmp .+68 ; 0x9e <__bad_interrupt> |
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5a: 00 00 nop |
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5c: 20 c0 rjmp .+64 ; 0x9e <__bad_interrupt> |
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5e: 00 00 nop |
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60: 1e c0 rjmp .+60 ; 0x9e <__bad_interrupt> |
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62: 00 00 nop |
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64: 1c c0 rjmp .+56 ; 0x9e <__bad_interrupt> |
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... |
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00000068 <__ctors_end>: |
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68: 11 24 eor r1, r1 |
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6a: 1f be out 0x3f, r1 ; 63 |
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6c: cf ef ldi r28, 0xFF ; 255 |
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6e: d8 e0 ldi r29, 0x08 ; 8 |
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70: de bf out 0x3e, r29 ; 62 |
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72: cd bf out 0x3d, r28 ; 61 |
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00000074 <__do_copy_data>: |
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74: 11 e0 ldi r17, 0x01 ; 1 |
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76: a0 e0 ldi r26, 0x00 ; 0 |
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78: b1 e0 ldi r27, 0x01 ; 1 |
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7a: ee e2 ldi r30, 0x2E ; 46 |
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7c: f1 e0 ldi r31, 0x01 ; 1 |
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7e: 02 c0 rjmp .+4 ; 0x84 <__do_copy_data+0x10> |
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80: 05 90 lpm r0, Z+ |
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82: 0d 92 st X+, r0 |
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84: a6 30 cpi r26, 0x06 ; 6 |
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86: b1 07 cpc r27, r17 |
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88: d9 f7 brne .-10 ; 0x80 <__do_copy_data+0xc> |
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0000008a <__do_clear_bss>: |
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8a: 11 e0 ldi r17, 0x01 ; 1 |
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8c: a6 e0 ldi r26, 0x06 ; 6 |
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8e: b1 e0 ldi r27, 0x01 ; 1 |
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90: 01 c0 rjmp .+2 ; 0x94 <.do_clear_bss_start> |
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00000092 <.do_clear_bss_loop>: |
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92: 1d 92 st X+, r1 |
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00000094 <.do_clear_bss_start>: |
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94: ac 30 cpi r26, 0x0C ; 12 |
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96: b1 07 cpc r27, r17 |
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98: e1 f7 brne .-8 ; 0x92 <.do_clear_bss_loop> |
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9a: 02 d0 rcall .+4 ; 0xa0 <main> |
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9c: 46 c0 rjmp .+140 ; 0x12a <_exit> |
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0000009e <__bad_interrupt>: |
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9e: b0 cf rjmp .-160 ; 0x0 <__vectors> |
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000000a0 <main>: |
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#include "lib/stream.h" |
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void main() |
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{ |
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// Enable UART with baud rate 9600 |
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uart_init(9600); |
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a0: 87 e6 ldi r24, 0x67 ; 103 |
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a2: 90 e0 ldi r25, 0x00 ; 0 |
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a4: 16 d0 rcall .+44 ; 0xd2 <_uart_init_do> |
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a6: 60 e0 ldi r22, 0x00 ; 0 |
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put_str(uart, "hello"); |
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a8: 71 e0 ldi r23, 0x01 ; 1 |
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aa: 80 91 0a 01 lds r24, 0x010A |
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ae: 90 91 0b 01 lds r25, 0x010B |
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b2: 28 d0 rcall .+80 ; 0x104 <put_str> |
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b4: ff cf rjmp .-2 ; 0xb4 <main+0x14> |
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000000b6 <uart_tx>: |
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/** Send byte over UART */ |
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void uart_tx(uint8_t data) |
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{ |
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// Wait for transmit buffer |
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while (!uart_tx_ready()); |
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b6: 90 91 c0 00 lds r25, 0x00C0 |
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ba: 95 ff sbrs r25, 5 |
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bc: fc cf rjmp .-8 ; 0xb6 <uart_tx> |
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// send it |
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UDR0 = data; |
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be: 80 93 c6 00 sts 0x00C6, r24 |
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c2: 08 95 ret |
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000000c4 <uart_rx>: |
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/** Receive one byte over UART */ |
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uint8_t uart_rx() |
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{ |
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// Wait for data to be received |
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while (!uart_rx_ready()); |
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c4: 80 91 c0 00 lds r24, 0x00C0 |
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c8: 87 ff sbrs r24, 7 |
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ca: fc cf rjmp .-8 ; 0xc4 <uart_rx> |
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// Get and return received data from buffer |
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return UDR0; |
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cc: 80 91 c6 00 lds r24, 0x00C6 |
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} |
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d0: 08 95 ret |
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000000d2 <_uart_init_do>: |
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STREAM* uart; |
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inline void _uart_init_do(uint16_t ubrr) { |
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/*Set baud rate */ |
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UBRR0H = (uint8_t) (ubrr >> 8); |
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d2: 90 93 c5 00 sts 0x00C5, r25 |
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UBRR0L = (uint8_t) ubrr; |
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d6: 80 93 c4 00 sts 0x00C4, r24 |
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// Enable Rx and Tx |
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UCSR0B = (1 << RXEN0) | (1 << TXEN0); |
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da: 88 e1 ldi r24, 0x18 ; 24 |
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dc: 80 93 c1 00 sts 0x00C1, r24 |
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// 8-bit data, 1 stop bit |
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UCSR0C = (0b11 << UCSZ00); |
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e0: 86 e0 ldi r24, 0x06 ; 6 |
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e2: 80 93 c2 00 sts 0x00C2, r24 |
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uart_singleton.tx = &uart_tx; |
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e6: e6 e0 ldi r30, 0x06 ; 6 |
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e8: f1 e0 ldi r31, 0x01 ; 1 |
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ea: 8b e5 ldi r24, 0x5B ; 91 |
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ec: 90 e0 ldi r25, 0x00 ; 0 |
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ee: 91 83 std Z+1, r25 ; 0x01 |
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f0: 80 83 st Z, r24 |
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uart_singleton.rx = &uart_rx; |
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f2: 82 e6 ldi r24, 0x62 ; 98 |
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f4: 90 e0 ldi r25, 0x00 ; 0 |
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f6: 93 83 std Z+3, r25 ; 0x03 |
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f8: 82 83 std Z+2, r24 ; 0x02 |
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uart = &uart_singleton; |
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fa: f0 93 0b 01 sts 0x010B, r31 |
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fe: e0 93 0a 01 sts 0x010A, r30 |
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102: 08 95 ret |
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00000104 <put_str>: |
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char tmpstr[20]; // buffer for number rendering |
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void put_str(const STREAM *p, char* str) |
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{ |
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104: 0f 93 push r16 |
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106: 1f 93 push r17 |
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108: cf 93 push r28 |
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10a: df 93 push r29 |
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10c: 8c 01 movw r16, r24 |
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10e: eb 01 movw r28, r22 |
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char c; |
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while ((c = *str++)) |
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110: 89 91 ld r24, Y+ |
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112: 88 23 and r24, r24 |
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114: 29 f0 breq .+10 ; 0x120 <put_str+0x1c> |
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p->tx(c); |
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116: d8 01 movw r26, r16 |
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118: ed 91 ld r30, X+ |
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11a: fc 91 ld r31, X |
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11c: 09 95 icall |
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11e: f8 cf rjmp .-16 ; 0x110 <put_str+0xc> |
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} |
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120: df 91 pop r29 |
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122: cf 91 pop r28 |
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124: 1f 91 pop r17 |
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126: 0f 91 pop r16 |
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128: 08 95 ret |
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0000012a <_exit>: |
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12a: f8 94 cli |
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0000012c <__stop_program>: |
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12c: ff cf rjmp .-2 ; 0x12c <__stop_program> |
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@ -0,0 +1,885 @@ |
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# 1 "uart_stream.c" |
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# 1 "/home/ondra/git/avr-lib/examples//" |
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# 1 "<built-in>" |
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# 1 "<command-line>" |
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# 1 "uart_stream.c" |
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# 1 "/usr/avr/include/avr/io.h" 1 3 |
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# 99 "/usr/avr/include/avr/io.h" 3 |
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# 1 "/usr/avr/include/avr/sfr_defs.h" 1 3 |
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# 126 "/usr/avr/include/avr/sfr_defs.h" 3 |
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# 1 "/usr/avr/include/inttypes.h" 1 3 |
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# 37 "/usr/avr/include/inttypes.h" 3 |
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# 1 "/usr/lib/gcc/avr/4.9.2/include/stdint.h" 1 3 4 |
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# 9 "/usr/lib/gcc/avr/4.9.2/include/stdint.h" 3 4 |
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# 1 "/usr/avr/include/stdint.h" 1 3 4 |
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# 122 "/usr/avr/include/stdint.h" 3 4 |
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typedef signed int int8_t __attribute__((__mode__(__QI__))); |
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typedef unsigned int uint8_t __attribute__((__mode__(__QI__))); |
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typedef signed int int16_t __attribute__ ((__mode__ (__HI__))); |
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typedef unsigned int uint16_t __attribute__ ((__mode__ (__HI__))); |
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typedef signed int int32_t __attribute__ ((__mode__ (__SI__))); |
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typedef unsigned int uint32_t __attribute__ ((__mode__ (__SI__))); |
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typedef signed int int64_t __attribute__((__mode__(__DI__))); |
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typedef unsigned int uint64_t __attribute__((__mode__(__DI__))); |
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# 143 "/usr/avr/include/stdint.h" 3 4 |
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typedef int16_t intptr_t; |
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typedef uint16_t uintptr_t; |
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# 160 "/usr/avr/include/stdint.h" 3 4 |
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typedef int8_t int_least8_t; |
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typedef uint8_t uint_least8_t; |
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typedef int16_t int_least16_t; |
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typedef uint16_t uint_least16_t; |
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typedef int32_t int_least32_t; |
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typedef uint32_t uint_least32_t; |
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typedef int64_t int_least64_t; |
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typedef uint64_t uint_least64_t; |
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# 214 "/usr/avr/include/stdint.h" 3 4 |
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typedef int8_t int_fast8_t; |
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typedef uint8_t uint_fast8_t; |
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typedef int16_t int_fast16_t; |
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typedef uint16_t uint_fast16_t; |
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typedef int32_t int_fast32_t; |
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typedef uint32_t uint_fast32_t; |
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typedef int64_t int_fast64_t; |
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typedef uint64_t uint_fast64_t; |
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# 274 "/usr/avr/include/stdint.h" 3 4 |
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typedef int64_t intmax_t; |
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typedef uint64_t uintmax_t; |
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# 10 "/usr/lib/gcc/avr/4.9.2/include/stdint.h" 2 3 4 |
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# 38 "/usr/avr/include/inttypes.h" 2 3 |
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# 77 "/usr/avr/include/inttypes.h" 3 |
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typedef int32_t int_farptr_t; |
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typedef uint32_t uint_farptr_t; |
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# 127 "/usr/avr/include/avr/sfr_defs.h" 2 3 |
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# 100 "/usr/avr/include/avr/io.h" 2 3 |
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# 248 "/usr/avr/include/avr/io.h" 3 |
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# 1 "/usr/avr/include/avr/iom328p.h" 1 3 |
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# 249 "/usr/avr/include/avr/io.h" 2 3 |
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# 534 "/usr/avr/include/avr/io.h" 3 |
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# 1 "/usr/avr/include/avr/portpins.h" 1 3 |
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# 535 "/usr/avr/include/avr/io.h" 2 3 |
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# 1 "/usr/avr/include/avr/common.h" 1 3 |
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# 537 "/usr/avr/include/avr/io.h" 2 3 |
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# 1 "/usr/avr/include/avr/version.h" 1 3 |
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# 539 "/usr/avr/include/avr/io.h" 2 3 |
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# 1 "/usr/avr/include/avr/fuse.h" 1 3 |
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# 239 "/usr/avr/include/avr/fuse.h" 3 |
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typedef struct |
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{ |
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unsigned char low; |
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unsigned char high; |
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unsigned char extended; |
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} __fuse_t; |
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# 546 "/usr/avr/include/avr/io.h" 2 3 |
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# 1 "/usr/avr/include/avr/lock.h" 1 3 |
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# 549 "/usr/avr/include/avr/io.h" 2 3 |
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# 6 "uart_stream.c" 2 |
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# 1 "/usr/avr/include/util/delay.h" 1 3 |
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# 43 "/usr/avr/include/util/delay.h" 3 |
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# 1 "/usr/avr/include/util/delay_basic.h" 1 3 |
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# 40 "/usr/avr/include/util/delay_basic.h" 3 |
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static inline void _delay_loop_1(uint8_t __count) __attribute__((always_inline)); |
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static inline void _delay_loop_2(uint16_t __count) __attribute__((always_inline)); |
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# 80 "/usr/avr/include/util/delay_basic.h" 3 |
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void |
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_delay_loop_1(uint8_t __count) |
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{ |
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__asm__ volatile ( |
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"1: dec %0" "\n\t" |
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"brne 1b" |
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: "=r" (__count) |
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: "0" (__count) |
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); |
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} |
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# 102 "/usr/avr/include/util/delay_basic.h" 3 |
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void |
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_delay_loop_2(uint16_t __count) |
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{ |
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__asm__ volatile ( |
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"1: sbiw %0,1" "\n\t" |
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"brne 1b" |
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: "=w" (__count) |
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: "0" (__count) |
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); |
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} |
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# 44 "/usr/avr/include/util/delay.h" 2 3 |
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# 1 "/usr/avr/include/math.h" 1 3 |
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# 127 "/usr/avr/include/math.h" 3 |
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extern double cos(double __x) __attribute__((__const__)); |
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extern double sin(double __x) __attribute__((__const__)); |
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extern double tan(double __x) __attribute__((__const__)); |
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extern double fabs(double __x) __attribute__((__const__)); |
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extern double fmod(double __x, double __y) __attribute__((__const__)); |
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# 168 "/usr/avr/include/math.h" 3 |
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extern double modf(double __x, double *__iptr); |
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extern float modff (float __x, float *__iptr); |
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extern double sqrt(double __x) __attribute__((__const__)); |
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extern float sqrtf (float) __attribute__((__const__)); |
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extern double cbrt(double __x) __attribute__((__const__)); |
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# 194 "/usr/avr/include/math.h" 3 |
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extern double hypot (double __x, double __y) __attribute__((__const__)); |
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extern double square(double __x) __attribute__((__const__)); |
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extern double floor(double __x) __attribute__((__const__)); |
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|
||||
extern double ceil(double __x) __attribute__((__const__)); |
||||
# 234 "/usr/avr/include/math.h" 3 |
||||
extern double frexp(double __x, int *__pexp); |
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
extern double ldexp(double __x, int __exp) __attribute__((__const__)); |
||||
|
||||
|
||||
|
||||
|
||||
|
||||
extern double exp(double __x) __attribute__((__const__)); |
||||
|
||||
|
||||
|
||||
|
||||
|
||||
extern double cosh(double __x) __attribute__((__const__)); |
||||
|
||||
|
||||
|
||||
|
||||
|
||||
extern double sinh(double __x) __attribute__((__const__)); |
||||
|
||||
|
||||
|
||||
|
||||
|
||||
extern double tanh(double __x) __attribute__((__const__)); |
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
extern double acos(double __x) __attribute__((__const__)); |
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
extern double asin(double __x) __attribute__((__const__)); |
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
extern double atan(double __x) __attribute__((__const__)); |
||||
# 298 "/usr/avr/include/math.h" 3 |
||||
extern double atan2(double __y, double __x) __attribute__((__const__)); |
||||
|
||||
|
||||
|
||||
|
||||
|
||||
extern double log(double __x) __attribute__((__const__)); |
||||
|
||||
|
||||
|
||||
|
||||
|
||||
extern double log10(double __x) __attribute__((__const__)); |
||||
|
||||
|
||||
|
||||
|
||||
|
||||
extern double pow(double __x, double __y) __attribute__((__const__)); |
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
extern int isnan(double __x) __attribute__((__const__)); |
||||
# 333 "/usr/avr/include/math.h" 3 |
||||
extern int isinf(double __x) __attribute__((__const__)); |
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
__attribute__((__const__)) static inline int isfinite (double __x) |
||||
{ |
||||
unsigned char __exp; |
||||
__asm__ ( |
||||
"mov %0, %C1 \n\t" |
||||
"lsl %0 \n\t" |
||||
"mov %0, %D1 \n\t" |
||||
"rol %0 " |
||||
: "=r" (__exp) |
||||
: "r" (__x) ); |
||||
return __exp != 0xff; |
||||
} |
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
__attribute__((__const__)) static inline double copysign (double __x, double __y) |
||||
{ |
||||
__asm__ ( |
||||
"bst %D2, 7 \n\t" |
||||
"bld %D0, 7 " |
||||
: "=r" (__x) |
||||
: "0" (__x), "r" (__y) ); |
||||
return __x; |
||||
} |
||||
# 376 "/usr/avr/include/math.h" 3 |
||||
extern int signbit (double __x) __attribute__((__const__)); |
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
extern double fdim (double __x, double __y) __attribute__((__const__)); |
||||
# 392 "/usr/avr/include/math.h" 3 |
||||
extern double fma (double __x, double __y, double __z) __attribute__((__const__)); |
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
extern double fmax (double __x, double __y) __attribute__((__const__)); |
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
extern double fmin (double __x, double __y) __attribute__((__const__)); |
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
extern double trunc (double __x) __attribute__((__const__)); |
||||
# 426 "/usr/avr/include/math.h" 3 |
||||
extern double round (double __x) __attribute__((__const__)); |
||||
# 439 "/usr/avr/include/math.h" 3 |
||||
extern long lround (double __x) __attribute__((__const__)); |
||||
# 453 "/usr/avr/include/math.h" 3 |
||||
extern long lrint (double __x) __attribute__((__const__)); |
||||
# 45 "/usr/avr/include/util/delay.h" 2 3 |
||||
# 84 "/usr/avr/include/util/delay.h" 3 |
||||
static inline void _delay_us(double __us) __attribute__((always_inline)); |
||||
static inline void _delay_ms(double __ms) __attribute__((always_inline)); |
||||
# 141 "/usr/avr/include/util/delay.h" 3 |
||||
void |
||||
_delay_ms(double __ms) |
||||
{ |
||||
double __tmp ; |
||||
# 166 "/usr/avr/include/util/delay.h" 3 |
||||
uint16_t __ticks; |
||||
__tmp = ((16000000UL) / 4e3) * __ms; |
||||
if (__tmp < 1.0) |
||||
__ticks = 1; |
||||
else if (__tmp > 65535) |
||||
{ |
||||
|
||||
__ticks = (uint16_t) (__ms * 10.0); |
||||
while(__ticks) |
||||
{ |
||||
|
||||
_delay_loop_2(((16000000UL) / 4e3) / 10); |
||||
__ticks --; |
||||
} |
||||
return; |
||||
} |
||||
else |
||||
__ticks = (uint16_t)__tmp; |
||||
_delay_loop_2(__ticks); |
||||
|
||||
} |
||||
# 223 "/usr/avr/include/util/delay.h" 3 |
||||
void |
||||
_delay_us(double __us) |
||||
{ |
||||
double __tmp ; |
||||
# 248 "/usr/avr/include/util/delay.h" 3 |
||||
uint8_t __ticks; |
||||
double __tmp2 ; |
||||
__tmp = ((16000000UL) / 3e6) * __us; |
||||
__tmp2 = ((16000000UL) / 4e6) * __us; |
||||
if (__tmp < 1.0) |
||||
__ticks = 1; |
||||
else if (__tmp2 > 65535) |
||||
{ |
||||
_delay_ms(__us / 1000.0); |
||||
} |
||||
else if (__tmp > 255) |
||||
{ |
||||
uint16_t __ticks=(uint16_t)__tmp2; |
||||
_delay_loop_2(__ticks); |
||||
return; |
||||
} |
||||
else |
||||
__ticks = (uint8_t)__tmp; |
||||
_delay_loop_1(__ticks); |
||||
|
||||
} |
||||
# 7 "uart_stream.c" 2 |
||||
# 1 "/usr/avr/include/avr/pgmspace.h" 1 3 |
||||
# 87 "/usr/avr/include/avr/pgmspace.h" 3 |
||||
# 1 "/usr/lib/gcc/avr/4.9.2/include/stddef.h" 1 3 4 |
||||
# 212 "/usr/lib/gcc/avr/4.9.2/include/stddef.h" 3 4 |
||||
typedef unsigned int size_t; |
||||
# 88 "/usr/avr/include/avr/pgmspace.h" 2 3 |
||||
# 1064 "/usr/avr/include/avr/pgmspace.h" 3 |
||||
extern const void * memchr_P(const void *, int __val, size_t __len) __attribute__((__const__)); |
||||
extern int memcmp_P(const void *, const void *, size_t) __attribute__((__pure__)); |
||||
extern void *memccpy_P(void *, const void *, int __val, size_t); |
||||
extern void *memcpy_P(void *, const void *, size_t); |
||||
extern void *memmem_P(const void *, size_t, const void *, size_t) __attribute__((__pure__)); |
||||
extern const void * memrchr_P(const void *, int __val, size_t __len) __attribute__((__const__)); |
||||
extern char *strcat_P(char *, const char *); |
||||
extern const char * strchr_P(const char *, int __val) __attribute__((__const__)); |
||||
extern const char * strchrnul_P(const char *, int __val) __attribute__((__const__)); |
||||
extern int strcmp_P(const char *, const char *) __attribute__((__pure__)); |
||||
extern char *strcpy_P(char *, const char *); |
||||
extern int strcasecmp_P(const char *, const char *) __attribute__((__pure__)); |
||||
extern char *strcasestr_P(const char *, const char *) __attribute__((__pure__)); |
||||
extern size_t strcspn_P(const char *__s, const char * __reject) __attribute__((__pure__)); |
||||
extern size_t strlcat_P (char *, const char *, size_t ); |
||||
extern size_t strlcpy_P (char *, const char *, size_t ); |
||||
extern size_t __strlen_P(const char *) __attribute__((__const__)); |
||||
extern size_t strnlen_P(const char *, size_t) __attribute__((__const__)); |
||||
extern int strncmp_P(const char *, const char *, size_t) __attribute__((__pure__)); |
||||
extern int strncasecmp_P(const char *, const char *, size_t) __attribute__((__pure__)); |
||||
extern char *strncat_P(char *, const char *, size_t); |
||||
extern char *strncpy_P(char *, const char *, size_t); |
||||
extern char *strpbrk_P(const char *__s, const char * __accept) __attribute__((__pure__)); |
||||
extern const char * strrchr_P(const char *, int __val) __attribute__((__const__)); |
||||
extern char *strsep_P(char **__sp, const char * __delim); |
||||
extern size_t strspn_P(const char *__s, const char * __accept) __attribute__((__pure__)); |
||||
extern char *strstr_P(const char *, const char *) __attribute__((__pure__)); |
||||
extern char *strtok_P(char *__s, const char * __delim); |
||||
extern char *strtok_rP(char *__s, const char * __delim, char **__last); |
||||
|
||||
extern size_t strlen_PF (uint_farptr_t src) __attribute__((__const__)); |
||||
extern size_t strnlen_PF (uint_farptr_t src, size_t len) __attribute__((__const__)); |
||||
extern void *memcpy_PF (void *dest, uint_farptr_t src, size_t len); |
||||
extern char *strcpy_PF (char *dest, uint_farptr_t src); |
||||
extern char *strncpy_PF (char *dest, uint_farptr_t src, size_t len); |
||||
extern char *strcat_PF (char *dest, uint_farptr_t src); |
||||
extern size_t strlcat_PF (char *dst, uint_farptr_t src, size_t siz); |
||||
extern char *strncat_PF (char *dest, uint_farptr_t src, size_t len); |
||||
extern int strcmp_PF (const char *s1, uint_farptr_t s2) __attribute__((__pure__)); |
||||
extern int strncmp_PF (const char *s1, uint_farptr_t s2, size_t n) __attribute__((__pure__)); |
||||
extern int strcasecmp_PF (const char *s1, uint_farptr_t s2) __attribute__((__pure__)); |
||||
extern int strncasecmp_PF (const char *s1, uint_farptr_t s2, size_t n) __attribute__((__pure__)); |
||||
extern char *strstr_PF (const char *s1, uint_farptr_t s2); |
||||
extern size_t strlcpy_PF (char *dst, uint_farptr_t src, size_t siz); |
||||
extern int memcmp_PF(const void *, uint_farptr_t, size_t) __attribute__((__pure__)); |
||||
|
||||
|
||||
__attribute__((__always_inline__)) static __inline__ size_t strlen_P(const char * s); |
||||
static __inline__ size_t strlen_P(const char *s) { |
||||
return __builtin_constant_p(__builtin_strlen(s)) |
||||
? __builtin_strlen(s) : __strlen_P(s); |
||||
} |
||||
# 8 "uart_stream.c" 2 |
||||
# 1 "/usr/avr/include/avr/interrupt.h" 1 3 |
||||
# 9 "uart_stream.c" 2 |
||||
|
||||
# 1 "/usr/avr/include/stdlib.h" 1 3 |
||||
# 47 "/usr/avr/include/stdlib.h" 3 |
||||
# 1 "/usr/lib/gcc/avr/4.9.2/include/stddef.h" 1 3 4 |
||||
# 324 "/usr/lib/gcc/avr/4.9.2/include/stddef.h" 3 4 |
||||
typedef int wchar_t; |
||||
# 48 "/usr/avr/include/stdlib.h" 2 3 |
||||
# 68 "/usr/avr/include/stdlib.h" 3 |
||||
typedef struct { |
||||
int quot; |
||||
int rem; |
||||
} div_t; |
||||
|
||||
|
||||
typedef struct { |
||||
long quot; |
||||
long rem; |
||||
} ldiv_t; |
||||
|
||||
|
||||
typedef int (*__compar_fn_t)(const void *, const void *); |
||||
# 114 "/usr/avr/include/stdlib.h" 3 |
||||
extern void abort(void) __attribute__((__noreturn__)); |
||||
|
||||
|
||||
|
||||
|
||||
extern int abs(int __i) __attribute__((__const__)); |
||||
# 128 "/usr/avr/include/stdlib.h" 3 |
||||
extern long labs(long __i) __attribute__((__const__)); |
||||
# 151 "/usr/avr/include/stdlib.h" 3 |
||||
extern void *bsearch(const void *__key, const void *__base, size_t __nmemb, |
||||
size_t __size, int (*__compar)(const void *, const void *)); |
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
extern div_t div(int __num, int __denom) __asm__("__divmodhi4") __attribute__((__const__)); |
||||
|
||||
|
||||
|
||||
|
||||
|
||||
extern ldiv_t ldiv(long __num, long __denom) __asm__("__divmodsi4") __attribute__((__const__)); |
||||
# 183 "/usr/avr/include/stdlib.h" 3 |
||||
extern void qsort(void *__base, size_t __nmemb, size_t __size, |
||||
__compar_fn_t __compar); |
||||
# 216 "/usr/avr/include/stdlib.h" 3 |
||||
extern long strtol(const char *__nptr, char **__endptr, int __base); |
||||
# 250 "/usr/avr/include/stdlib.h" 3 |
||||
extern unsigned long strtoul(const char *__nptr, char **__endptr, int __base); |
||||
# 262 "/usr/avr/include/stdlib.h" 3 |
||||
extern long atol(const char *__s) __attribute__((__pure__)); |
||||
# 274 "/usr/avr/include/stdlib.h" 3 |
||||
extern int atoi(const char *__s) __attribute__((__pure__)); |
||||
# 286 "/usr/avr/include/stdlib.h" 3 |
||||
extern void exit(int __status) __attribute__((__noreturn__)); |
||||
# 298 "/usr/avr/include/stdlib.h" 3 |
||||
extern void *malloc(size_t __size) __attribute__((__malloc__)); |
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
extern void free(void *__ptr); |
||||
|
||||
|
||||
|
||||
|
||||
extern size_t __malloc_margin; |
||||
|
||||
|
||||
|
||||
|
||||
extern char *__malloc_heap_start; |
||||
|
||||
|
||||
|
||||
|
||||
extern char *__malloc_heap_end; |
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
extern void *calloc(size_t __nele, size_t __size) __attribute__((__malloc__)); |
||||
# 346 "/usr/avr/include/stdlib.h" 3 |
||||
extern void *realloc(void *__ptr, size_t __size) __attribute__((__malloc__)); |
||||
|
||||
extern double strtod(const char *__nptr, char **__endptr); |
||||
|
||||
extern double atof(const char *__nptr); |
||||
# 372 "/usr/avr/include/stdlib.h" 3 |
||||
extern int rand(void); |
||||
|
||||
|
||||
|
||||
extern void srand(unsigned int __seed); |
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
extern int rand_r(unsigned long *__ctx); |
||||
# 417 "/usr/avr/include/stdlib.h" 3 |
||||
extern __inline__ __attribute__((__gnu_inline__)) |
||||
char *itoa (int __val, char *__s, int __radix) |
||||
{ |
||||
if (!__builtin_constant_p (__radix)) { |
||||
extern char *__itoa (int, char *, int); |
||||
return __itoa (__val, __s, __radix); |
||||
} else if (__radix < 2 || __radix > 36) { |
||||
*__s = 0; |
||||
return __s; |
||||
} else { |
||||
extern char *__itoa_ncheck (int, char *, unsigned char); |
||||
return __itoa_ncheck (__val, __s, __radix); |
||||
} |
||||
} |
||||
# 462 "/usr/avr/include/stdlib.h" 3 |
||||
extern __inline__ __attribute__((__gnu_inline__)) |
||||
char *ltoa (long __val, char *__s, int __radix) |
||||
{ |
||||
if (!__builtin_constant_p (__radix)) { |
||||
extern char *__ltoa (long, char *, int); |
||||
return __ltoa (__val, __s, __radix); |
||||
} else if (__radix < 2 || __radix > 36) { |
||||
*__s = 0; |
||||
return __s; |
||||
} else { |
||||
extern char *__ltoa_ncheck (long, char *, unsigned char); |
||||
return __ltoa_ncheck (__val, __s, __radix); |
||||
} |
||||
} |
||||
# 505 "/usr/avr/include/stdlib.h" 3 |
||||
extern __inline__ __attribute__((__gnu_inline__)) |
||||
char *utoa (unsigned int __val, char *__s, int __radix) |
||||
{ |
||||
if (!__builtin_constant_p (__radix)) { |
||||
extern char *__utoa (unsigned int, char *, int); |
||||
return __utoa (__val, __s, __radix); |
||||
} else if (__radix < 2 || __radix > 36) { |
||||
*__s = 0; |
||||
return __s; |
||||
} else { |
||||
extern char *__utoa_ncheck (unsigned int, char *, unsigned char); |
||||
return __utoa_ncheck (__val, __s, __radix); |
||||
} |
||||
} |
||||
# 547 "/usr/avr/include/stdlib.h" 3 |
||||
extern __inline__ __attribute__((__gnu_inline__)) |
||||
char *ultoa (unsigned long __val, char *__s, int __radix) |
||||
{ |
||||
if (!__builtin_constant_p (__radix)) { |
||||
extern char *__ultoa (unsigned long, char *, int); |
||||
return __ultoa (__val, __s, __radix); |
||||
} else if (__radix < 2 || __radix > 36) { |
||||
*__s = 0; |
||||
return __s; |
||||
} else { |
||||
extern char *__ultoa_ncheck (unsigned long, char *, unsigned char); |
||||
return __ultoa_ncheck (__val, __s, __radix); |
||||
} |
||||
} |
||||
# 579 "/usr/avr/include/stdlib.h" 3 |
||||
extern long random(void); |
||||
|
||||
|
||||
|
||||
|
||||
extern void srandom(unsigned long __seed); |
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
extern long random_r(unsigned long *__ctx); |
||||
# 638 "/usr/avr/include/stdlib.h" 3 |
||||
extern char *dtostre(double __val, char *__s, unsigned char __prec, |
||||
unsigned char __flags); |
||||
# 655 "/usr/avr/include/stdlib.h" 3 |
||||
extern char *dtostrf(double __val, signed char __width, |
||||
unsigned char __prec, char *__s); |
||||
# 672 "/usr/avr/include/stdlib.h" 3 |
||||
extern int atexit(void (*)(void)); |
||||
extern int system (const char *); |
||||
extern char *getenv (const char *); |
||||
# 11 "uart_stream.c" 2 |
||||
|
||||
# 1 "lib/uart.h" 1 |
||||
|
||||
# 13 "lib/uart.h" |
||||
# 1 "/usr/lib/gcc/avr/4.9.2/include/stdbool.h" 1 3 4 |
||||
# 14 "lib/uart.h" 2 |
||||
|
||||
|
||||
# 1 "lib/stream.h" 1 |
||||
|
||||
# 12 "lib/stream.h" |
||||
typedef struct { |
||||
void (*tx) (uint8_t b); |
||||
uint8_t (*rx) (void); |
||||
} STREAM; |
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
void put_str(const STREAM *p, char* str); |
||||
|
||||
|
||||
|
||||
void put_u8(const STREAM *p, const uint8_t num); |
||||
|
||||
|
||||
|
||||
void put_i8(const STREAM *p, const int8_t num); |
||||
|
||||
|
||||
|
||||
void put_u16(const STREAM *p, const uint16_t num); |
||||
|
||||
|
||||
|
||||
void put_i16(const STREAM *p, const int16_t num); |
||||
|
||||
|
||||
|
||||
void put_u32(const STREAM *p, const uint32_t num); |
||||
|
||||
|
||||
|
||||
void put_i32(const STREAM *p, const int32_t num); |
||||
|
||||
|
||||
|
||||
|
||||
|
||||
void put_u16f(const STREAM *p, const uint16_t num, const uint8_t places); |
||||
|
||||
|
||||
|
||||
void put_i16f(const STREAM *p, const int16_t num, const uint8_t places); |
||||
|
||||
|
||||
|
||||
void put_u32f(const STREAM *p, const uint32_t num, const uint8_t places); |
||||
|
||||
|
||||
|
||||
void put_i32f(const STREAM *p, const int32_t num, const uint8_t places); |
||||
# 17 "lib/uart.h" 2 |
||||
|
||||
|
||||
extern STREAM* uart; |
||||
|
||||
|
||||
void _uart_init_do(uint16_t ubrr); |
||||
# 36 "lib/uart.h" |
||||
void uart_isr_rx(_Bool enable); |
||||
|
||||
|
||||
void uart_isr_tx(_Bool enable); |
||||
|
||||
|
||||
void uart_isr_dre(_Bool enable); |
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
uint8_t uart_rx(); |
||||
|
||||
|
||||
|
||||
void uart_tx(uint8_t data); |
||||
|
||||
|
||||
void uart_flush(); |
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
void uart_puts(const char* str); |
||||
|
||||
|
||||
void uart_puts_pgm(const char* str); |
||||
|
||||
|
||||
|
||||
|
||||
|
||||
void uart_putu(const uint8_t num); |
||||
|
||||
|
||||
void uart_putn(const int8_t num); |
||||
|
||||
|
||||
void uart_puti(const int16_t num, const uint8_t places); |
||||
|
||||
|
||||
void uart_putiu(const uint16_t num, const uint8_t places); |
||||
|
||||
|
||||
void uart_putl(const int32_t num, const uint8_t places); |
||||
|
||||
|
||||
void uart_putlu(const uint32_t num, const uint8_t places); |
||||
|
||||
|
||||
|
||||
|
||||
void uart_nl(); |
||||
# 13 "uart_stream.c" 2 |
||||
|
||||
|
||||
void main() |
||||
{ |
||||
|
||||
_uart_init_do(16000000UL / 16 / (9600) - 1); |
||||
|
||||
put_str(uart, "hello"); |
||||
|
||||
while(1); |
||||
} |
||||
@ -0,0 +1,162 @@ |
||||
#include <stdlib.h> |
||||
#include <stdbool.h> |
||||
#include <stdint.h> |
||||
|
||||
#include "stream.h" |
||||
|
||||
|
||||
static char tmpstr[20]; // buffer for number rendering
|
||||
|
||||
|
||||
void put_str(const STREAM *p, char* str) |
||||
{ |
||||
char c; |
||||
while ((c = *str++)) |
||||
p->tx(c); |
||||
} |
||||
|
||||
|
||||
void put_str_P(const STREAM *p, const char* str) |
||||
{ |
||||
char c; |
||||
while ((c = pgm_read_byte(str++))) |
||||
p->tx(c); |
||||
} |
||||
|
||||
|
||||
static void _putnf(const STREAM *p, const uint8_t places); |
||||
|
||||
|
||||
/** Send signed int8 */ |
||||
void put_u8(const STREAM *p, const uint8_t num) |
||||
{ |
||||
utoa(num, tmpstr, 10); |
||||
put_str(p, tmpstr); |
||||
} |
||||
|
||||
|
||||
/** Send unsigned int8 */ |
||||
void put_i8(const STREAM *p, const int8_t num) |
||||
{ |
||||
itoa(num, tmpstr, 10); |
||||
put_str(p, tmpstr); |
||||
} |
||||
|
||||
|
||||
|
||||
/** Send unsigned int */ |
||||
void put_u16(const STREAM *p, const uint16_t num) |
||||
{ |
||||
utoa(num, tmpstr, 10); |
||||
put_str(p, tmpstr); |
||||
} |
||||
|
||||
|
||||
/** Send signed int */ |
||||
void put_i16(const STREAM *p, const int16_t num) |
||||
{ |
||||
itoa(num, tmpstr, 10); |
||||
put_str(p, tmpstr); |
||||
} |
||||
|
||||
|
||||
/** Send unsigned long */ |
||||
void put_u32(const STREAM *p, const uint32_t num) |
||||
{ |
||||
ultoa(num, tmpstr, 10); |
||||
put_str(p, tmpstr); |
||||
} |
||||
|
||||
|
||||
/** Send signed long */ |
||||
void put_i32(const STREAM *p, const int32_t num) |
||||
{ |
||||
ltoa(num, tmpstr, 10); |
||||
put_str(p, tmpstr); |
||||
} |
||||
|
||||
|
||||
// float variant doesn't make sense for 8-bit int
|
||||
|
||||
/** Send unsigned int as float */ |
||||
void put_u16f(const STREAM *p, const uint16_t num, const uint8_t places) |
||||
{ |
||||
utoa(num, tmpstr, 10); |
||||
_putnf(p, places); |
||||
} |
||||
|
||||
|
||||
/** Send signed int as float */ |
||||
void put_i16f(const STREAM *p, const int16_t num, const uint8_t places) |
||||
{ |
||||
if (num < 0) { |
||||
p->tx('-'); |
||||
itoa(-num, tmpstr, 10); |
||||
} else { |
||||
itoa(num, tmpstr, 10); |
||||
} |
||||
|
||||
_putnf(p, places); |
||||
} |
||||
|
||||
|
||||
/** Send unsigned long as float */ |
||||
void put_u32f(const STREAM *p, const uint32_t num, const uint8_t places) |
||||
{ |
||||
ultoa(num, tmpstr, 10); |
||||
_putnf(p, places); |
||||
} |
||||
|
||||
|
||||
/** Send signed long as float */ |
||||
void put_i32f(const STREAM *p, const int32_t num, const uint8_t places) |
||||
{ |
||||
if (num < 0) { |
||||
p->tx('-'); |
||||
ltoa(-num, tmpstr, 10); |
||||
} else { |
||||
ltoa(num, tmpstr, 10); |
||||
} |
||||
|
||||
_putnf(p, places); |
||||
} |
||||
|
||||
|
||||
/** Print number in tmp string as float with given decimal point position */ |
||||
void _putnf(const STREAM *p, const uint8_t places) |
||||
{ |
||||
// measure text length
|
||||
uint8_t len = 0; |
||||
while(tmpstr[len] != 0) len++; |
||||
|
||||
int8_t at = len - places; |
||||
|
||||
// print virtual zeros
|
||||
if (at <= 0) { |
||||
p->tx('0'); |
||||
p->tx('.'); |
||||
while(at <= -1) { |
||||
p->tx('0'); |
||||
at++; |
||||
} |
||||
at = -1; |
||||
} |
||||
|
||||
// print the number
|
||||
uint8_t i = 0; |
||||
while(i < len) { |
||||
if (at-- == 0) { |
||||
p->tx('.'); |
||||
} |
||||
|
||||
p->tx(tmpstr[i++]); |
||||
} |
||||
} |
||||
|
||||
|
||||
/** Print CR LF */ |
||||
void put_nl(const STREAM *p) |
||||
{ |
||||
p->tx(13); |
||||
p->tx(10); |
||||
} |
||||
@ -0,0 +1,71 @@ |
||||
#pragma once |
||||
|
||||
//
|
||||
// Stream utilities - printing abstraction
|
||||
// Works with eg. UART
|
||||
//
|
||||
|
||||
#include <stdlib.h> |
||||
#include <stdbool.h> |
||||
#include <stdint.h> |
||||
#include <avr/pgmspace.h> |
||||
|
||||
/** Stream structure */ |
||||
typedef struct { |
||||
void (*tx) (uint8_t b); |
||||
uint8_t (*rx) (void); |
||||
} STREAM; |
||||
|
||||
|
||||
/** Print string into a stream */ |
||||
void put_str(const STREAM *p, char* str); |
||||
|
||||
|
||||
/** Print a programspace string into a stream */ |
||||
void put_str_P(const STREAM *p, const char* str); |
||||
|
||||
|
||||
/** Send signed int8 */ |
||||
void put_u8(const STREAM *p, const uint8_t num); |
||||
|
||||
|
||||
/** Send unsigned int8 */ |
||||
void put_i8(const STREAM *p, const int8_t num); |
||||
|
||||
|
||||
/** Send unsigned int */ |
||||
void put_u16(const STREAM *p, const uint16_t num); |
||||
|
||||
|
||||
/** Send signed int */ |
||||
void put_i16(const STREAM *p, const int16_t num); |
||||
|
||||
|
||||
/** Send unsigned long */ |
||||
void put_u32(const STREAM *p, const uint32_t num); |
||||
|
||||
|
||||
/** Send signed long */ |
||||
void put_i32(const STREAM *p, const int32_t num); |
||||
|
||||
|
||||
// float variant doesn't make sense for 8-bit int
|
||||
|
||||
/** Send unsigned int as float */ |
||||
void put_u16f(const STREAM *p, const uint16_t num, const uint8_t places); |
||||
|
||||
|
||||
/** Send signed int as float */ |
||||
void put_i16f(const STREAM *p, const int16_t num, const uint8_t places); |
||||
|
||||
|
||||
/** Send unsigned long as float */ |
||||
void put_u32f(const STREAM *p, const uint32_t num, const uint8_t places); |
||||
|
||||
|
||||
/** Send signed long as float */ |
||||
void put_i32f(const STREAM *p, const int32_t num, const uint8_t places); |
||||
|
||||
|
||||
/** Print CR LF */ |
||||
void put_nl(const STREAM *p); |
||||
Loading…
Reference in new issue