/*
* Copyright Droids Corporation (2009)
- *
+ *
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
static volatile uint8_t running_op = OP_READY;
#define I2C_MAX_LOG 3
+#ifndef HOST_VERSION
static uint8_t error_log = 0;
+static int8_t i2c_req_cobboard_status(void);
+static int8_t i2c_req_ballboard_status(void);
+
+#endif
+
/* used for commands */
uint8_t command_buf[I2C_SEND_BUFFER_SIZE];
volatile int8_t command_dest=-1;
volatile uint8_t command_size=0;
-static int8_t i2c_req_cobboard_status(void);
-static int8_t i2c_req_ballboard_status(void);
-
#define I2C_ERROR(args...) do { \
if (error_log < I2C_MAX_LOG) { \
ERROR(E_USER_I2C_PROTO, args); \
void i2c_protocol_debug(void)
{
+#ifdef HOST_VERSION
+ return;
+#else
printf_P(PSTR("I2C protocol debug infos:\r\n"));
printf_P(PSTR(" i2c_state=%d\r\n"), i2c_state);
printf_P(PSTR(" i2c_errors=%d\r\n"), i2c_errors);
printf_P(PSTR(" command_size=%d\r\n"), command_size);
printf_P(PSTR(" command_dest=%d\r\n"), command_dest);
printf_P(PSTR(" i2c_status=%x\r\n"), i2c_status());
+#endif
}
+#ifndef HOST_VERSION
static void i2cproto_next_state(uint8_t inc)
{
i2c_state += inc;
uint8_t flags;
int8_t err;
static uint8_t a = 0;
-
+
a++;
if (a & 0x4)
LED2_TOGGLE();
-
+
/* already running */
IRQ_LOCK(flags);
if (running_op != OP_READY) {
#define I2C_ANS_COBBOARD 1
case I2C_ANS_COBBOARD:
- if ((err = i2c_recv(I2C_COBBOARD_ADDR,
- sizeof(struct i2c_ans_cobboard_status),
+ if ((err = i2c_recv(I2C_COBBOARD_ADDR,
+ sizeof(struct i2c_ans_cobboard_status),
I2C_CTRL_GENERIC)))
goto error;
break;
#define I2C_ANS_BALLBOARD 3
case I2C_ANS_BALLBOARD:
- if ((err = i2c_recv(I2C_BALLBOARD_ADDR,
- sizeof(struct i2c_ans_ballboard_status),
+ if ((err = i2c_recv(I2C_BALLBOARD_ADDR,
+ sizeof(struct i2c_ans_ballboard_status),
I2C_CTRL_GENERIC)))
goto error;
break;
IRQ_UNLOCK(flags);
i2c_errors++;
if (i2c_errors > I2C_MAX_ERRORS) {
- I2C_ERROR("I2C send is_cmd=%d proto_state=%d "
+ I2C_ERROR("I2C send is_cmd=%d proto_state=%d "
"err=%d i2c_status=%x", !!command_size, i2c_state, err, i2c_status());
i2c_reset();
i2c_errors = 0;
i2c_reset();
i2c_errors = 0;
}
-
+
if (running_op == OP_POLL) {
/* skip associated answer */
i2cproto_next_state(2);
/* recv is only trigged after a poll */
running_op = OP_READY;
-
+
if (size < 0) {
goto error;
}
switch (buf[0]) {
case I2C_ANS_COBBOARD_STATUS: {
- struct i2c_ans_cobboard_status * ans =
+ struct i2c_ans_cobboard_status * ans =
(struct i2c_ans_cobboard_status *)buf;
-
+
if (size != sizeof (*ans))
goto error;
}
case I2C_ANS_BALLBOARD_STATUS: {
- struct i2c_ans_ballboard_status * ans =
+ struct i2c_ans_ballboard_status * ans =
(struct i2c_ans_ballboard_status *)buf;
if (size != sizeof (*ans))
return;
error:
i2c_errors++;
- NOTICE(E_USER_I2C_PROTO, "recv error state=%d op=%d",
+ NOTICE(E_USER_I2C_PROTO, "recv error state=%d op=%d",
i2c_state, running_op);
if (i2c_errors > I2C_MAX_ERRORS) {
I2C_ERROR("I2C error, slave not ready");
void i2c_recvbyteevent(uint8_t hwstatus, uint8_t i, uint8_t c)
{
}
+#endif /* !HOST_VERSION */
/* ******** ******** ******** ******** */
/* commands */
static int8_t
-i2c_send_command(uint8_t addr, uint8_t * buf, uint8_t size)
+i2c_send_command(uint8_t addr, uint8_t * buf, uint8_t size)
{
+#ifdef HOST_VERSION
+ return 0;
+#else
uint8_t flags;
microseconds us = time_get_us2();
* interrupt context, but it's forbidden */
I2C_ERROR("I2C command send failed");
return -EBUSY;
+#endif
}
+#ifndef HOST_VERSION
static int8_t i2c_req_cobboard_status(void)
{
struct i2c_req_cobboard_status buf;
static int8_t i2c_req_ballboard_status(void)
{
struct i2c_req_ballboard_status buf;
-
+
buf.hdr.cmd = I2C_REQ_BALLBOARD_STATUS;
return i2c_send(I2C_BALLBOARD_ADDR, (uint8_t*)&buf,
sizeof(buf), I2C_CTRL_GENERIC);
}
+#endif /* !HOST_VERSION */
int8_t i2c_set_color(uint8_t addr, uint8_t color)
{