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#include <stdlib.h>
#include <string.h>
#include "bin.h"
#include "orangutan_shim.h"
#include "sercomm.h"
w2_s_bin *g_w2_sercomm_buffer[W2_SERCOMM_BUFFER_SIZE] = {0};
uint8_t g_w2_sercomm_index = 0;
uint8_t g_w2_sercomm_offset = 0;
uint8_t g_w2_sercomm_buffer_full = 0;
char g_w2_serial_buffer[W2_SERIAL_READ_BUFFER_SIZE] = {0};
uint8_t g_w2_serial_buffer_index = 0;
uint8_t g_w2_serial_buffer_head = 0;
void w2_sercomm_main() {
#ifdef W2_SIM
simprintfunc("w2_sercomm_main", "");
#endif
// send data
while (g_w2_sercomm_offset != g_w2_sercomm_index) {
w2_s_bin *data = g_w2_sercomm_buffer[g_w2_sercomm_offset];
char *data_cast = malloc(data->bytes);
memcpy(data_cast, data->data, data->bytes);
serial_send(data_cast, data->bytes);
g_w2_sercomm_offset = (g_w2_sercomm_offset + 1) % W2_SERCOMM_BUFFER_SIZE;
}
while(serial_get_received_bytes() != g_w2_serial_buffer_index) {
uint8_t byte = g_w2_serial_buffer[g_w2_serial_buffer_index];
#ifdef W2_SIM
simprintf("serial byte: %02x\n", byte);
#endif
g_w2_serial_buffer_index = (g_w2_serial_buffer_index + 1) % W2_SERIAL_READ_BUFFER_SIZE;
}
}
void w2_sercomm_append_msg(w2_s_bin *data) {
#ifdef W2_SIM
simprintfunc("w2_sercomm_append_msg", "");
#endif
uint8_t next_index = (g_w2_sercomm_index + 1) % W2_SERCOMM_BUFFER_SIZE;
g_w2_sercomm_buffer_full = next_index == g_w2_sercomm_offset;
free(g_w2_sercomm_buffer[g_w2_sercomm_index]);
w2_s_bin *data_copy = malloc(sizeof(w2_s_bin) + sizeof(uint8_t) * data->bytes);
memcpy(&data_copy->data, data->data, data->bytes);
data_copy->bytes = data->bytes;
g_w2_sercomm_buffer[g_w2_sercomm_index] = data_copy;
if (g_w2_sercomm_buffer_full) return;
g_w2_sercomm_index = next_index;
}
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