int i2c_master_tx_rx(uint8_t addr, uint8_t *tx_data, int tx_len, uint8_t *rx_data, int rx_len)
{
int i;
I2C0_SA = addr; // Set the slave addr
I2C0_CNT = tx_len & 0xFF; // Set the tx data count
I2C0_CON |= (1 << 9) | (1 << 10); // Set the Master Tx mode
if (send_start()) I2C_QUIT_OP; // Trigger by sending Start
for (i = 0; i < tx_len; i++) // Send Data
{
if (send_data(tx_data[i])) I2C_QUIT_OP;
}
while (!(I2C0_IRQSTATUS & I2C_ST_AR)) // Wait for ready for accessing registers after the tx complete
;
I2C0_IRQSTATUS |= I2C_ST_AR;
I2C0_CNT = rx_len & 0xFF; // Set the rx data count
I2C0_CON &= ~(1 << 9); // Set the Master Rx mode - note master is already set
if (send_restart()) I2C_QUIT_OP; // Trigger by sending Start again
for (i = 0; i < rx_len; i++) // Receive Data
{
if (recv_data(&rx_data[i])) I2C_QUIT_OP;
}
send_stop(); // Done, so Stop
return 0;
}
int
main (int argc, char **argv)
{
bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
gtk_init (&argc, &argv);
if (argc < 2)
usage ();
if (strcmp (argv[1], "restart") == 0)
send_restart ();
else if (strcmp (argv[1], "reload-theme") == 0)
send_reload_theme ();
else if (strcmp (argv[1], "enable-keybindings") == 0)
send_set_keybindings (TRUE);
else if (strcmp (argv[1], "disable-keybindings") == 0)
send_set_keybindings (FALSE);
else if (strcmp (argv[1], "toggle-verbose") == 0)
{
#ifndef WITH_VERBOSE_MODE
g_printerr (_("Metacity was compiled without support for verbose mode\n"));
return 1;
#else
send_toggle_verbose ();
#endif
}
else
usage ();
return 0;
}
