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// lwrb_dev.cpp : Defines the entry point for the console application.
//
#include <stdio.h>
#include <string.h>
#include "lwrb/lwrb.h"
/* Create data array and buffer */
uint8_t lwrb_data[8 + 1];
lwrb_t buff;
static void debug_buff(uint8_t cmp, size_t r_w, size_t r_r, size_t r_f, size_t r_e);
uint8_t tmp[8];
void
my_buff_evt_fn(lwrb_t* buff, lwrb_evt_type_t type, size_t len) {
switch (type) {
case LWRB_EVT_RESET:
printf("[EVT] Buffer reset event!\r\n");
break;
case LWRB_EVT_READ:
printf("[EVT] Buffer read event: %d byte(s)!\r\n", (int)len);
break;
case LWRB_EVT_WRITE:
printf("[EVT] Buffer write event: %d byte(s)!\r\n", (int)len);
break;
default: break;
}
}
int
main() {
size_t len;
/* Init buffer */
lwrb_init(&buff, lwrb_data, sizeof(lwrb_data));
lwrb_set_evt_fn(&buff, my_buff_evt_fn);
lwrb_write(&buff, "abc", 3);
lwrb_write(&buff, "abc", 3);
lwrb_write(&buff, "abc", 3);
len = lwrb_read(&buff, tmp, 9);
buff.r = 0;
buff.w = 0;
memset(lwrb_get_linear_block_write_address(&buff), 'A', lwrb_get_linear_block_write_length(&buff));
lwrb_advance(&buff, lwrb_get_linear_block_write_length(&buff));
buff.r = 2;
buff.w = 0;
memset(lwrb_get_linear_block_write_address(&buff), 'B', lwrb_get_linear_block_write_length(&buff));
lwrb_advance(&buff, lwrb_get_linear_block_write_length(&buff));
buff.r = 3;
buff.w = 3;
memset(lwrb_get_linear_block_write_address(&buff), 'C', lwrb_get_linear_block_write_length(&buff));
lwrb_advance(&buff, lwrb_get_linear_block_write_length(&buff));
lwrb_reset(&buff);
//for (size_t r = 0; r < sizeof(lwrb_data); ++r) {
// void* ptr;
// for (size_t w = 0; w < sizeof(lwrb_data); ++w) {
// buff.r = r;
// buff.w = w;
// ptr = lwrb_get_linear_block_write_address(&buff);
// len = lwrb_get_linear_block_write_length(&buff);
// printf("W: %3d, R: %3d, LEN: %3d\r\n", (int)w, (int)r, (int)len);
// }
//}
return 0;
}
static void
debug_buff(uint8_t cmp, size_t r_w, size_t r_r, size_t r_f, size_t r_e) {
/* Previous and current write, read pointers and full, empty values */
static size_t p_r, p_w, p_f, p_e;
size_t r, w, f, e;
r = buff.r;
w = buff.w;
f = lwrb_get_full(&buff);
e = lwrb_get_free(&buff);
printf("R: %3d, W: %3d, F: %3d, E: %3d\r\n", (int)r, (int)w, (int)f, (int)e);
}
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