// I2C state handler
static void i2c_state_handling(I2C_ID_T id)
{
if (Chip_I2C_IsMasterActive(id))
Chip_I2C_MasterStateHandler(id);
else
Chip_I2C_SlaveStateHandler(id);
}
/**
* @brief I2C Interrupt Handler
* @return None
*/
void I2C_IRQHandler(void) {
if (Chip_I2C_IsMasterActive(I2C0)) {
Chip_I2C_MasterStateHandler(I2C0);
}
else {
Chip_I2C_SlaveStateHandler(I2C0);
}
}
void I2C0_IRQHandler(void)
{
if (Chip_I2C_IsMasterActive(ONBOARD_I2C)) {
Chip_I2C_MasterStateHandler(ONBOARD_I2C);
}
else {
Chip_I2C_SlaveStateHandler(ONBOARD_I2C);
}
}
/* Get an integer input from UART */
static int con_get_input(const char *str)
{
#ifdef DEBUG_ENABLE
int input_valid = 0;
int x;
char ch[16], *ptr;
int i = 0;
while (!input_valid) {
DEBUGOUT("%s", str);
while (1) {
/* Setting poll mode for slave is a very bad idea, it works nevertheless */
if ((mode_poll & (1 << i2cDev)) && Chip_I2C_IsStateChanged(i2cDev)) {
Chip_I2C_SlaveStateHandler(i2cDev);
}
x = DEBUGIN();
if (x == EOF) {
continue;
}
if (i >= sizeof(ch) - 2) {
break;
}
if (((x == '\r') || (x == '\n')) && i) {
DEBUGOUT("\r\n");
break;
}
if (x == '\b') {
if (i) {
DEBUGOUT("\033[1D \033[1D");
i--;
}
continue;
}
DEBUGOUT("%c", x);
ch[i++] = x;
}
ch[i] = 0;
i = strtol(ch, &ptr, 0);
if (*ptr) {
i = 0;
DEBUGOUT("Invalid input. Retry!\r\n");
continue;
}
input_valid = 1;
}
return i;
#else
static int sind = -1;
static uint8_t val[] = {5, I2C_SLAVE_IOX_ADDR, 1, 0};
if (sind >= sizeof(val)) {
sind = -1;
}
while (sind < 0 && (tick_cnt & 0x7F)) {}
if (sind < 0) {
sind = 0;
val[3] = !val[3];
tick_cnt++;
}
return val[sind++];
#endif
}
