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#include <stdio.h>
#include <stdlib.h>
#include "i2ctcpv1.h"
#include "sock.h"
#include "xxd.h"
#include "pb/bus.h"
#include "pb/types.h"
#include "pb/mod/main.h"
bool i2c_dump_send = false;
bool i2c_dump_recv = true;
void i2c_send(uint16_t addr, const char * data, size_t data_size) {
i2ctcp_msg_t msg = {
.addr = addr,
.data = (char *) data,
.length = data_size,
};
char* packed;
size_t size;
if (!i2ctcp_write(&msg, &packed, &size)) return;
sock->send(packed, size);
if (i2c_dump_send) {
printf("[%s] addr(0x%02x) data(0x%02lx):\n", __FUNCTION__, addr, data_size);
xxd(data, data_size);
}
free(packed);
}
static void i2c_handle_cmd_read(uint16_t, const char *, size_t);
void i2c_recv(uint16_t addr, const char * data, size_t data_size) {
if (i2c_dump_recv) {
printf("[%s] addr(0x%02x) data(0x%02lx):\n", __FUNCTION__, addr, data_size);
xxd(data, data_size);
}
if (data_size == 0) return;
enum pb_cmd cmd = (enum pb_cmd) data[0];
data++; data_size--;
switch (cmd) {
case PB_CMD_READ: return i2c_handle_cmd_read(addr, data, data_size);
default: return;
}
}
static void i2c_handle_cmd_read(uint16_t i2c_addr, const char * buf, size_t sz) {
if (sz < 2) return; // require data address + 1 byte of data
pb_cmd_read_t * cmd = (pb_cmd_read_t *) buf;
sz--; // sz now represents size of cmd->data
if (i2c_addr == BUSADDR_MAIN && cmd->address == 0x01) {
if (sz % 2 != 0) return; // invalid data
for (size_t offset = 0; offset < sz; offset += sizeof(pb_mod_main_mod_t)) {
pb_mod_main_mod_t * mod = (pb_mod_main_mod_t *) (cmd->data + offset);
printf("module at addr 0x%02x with state %d\n", mod->addr, mod->state);
}
}
}
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