*
* 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; version 2 of the License.
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
{
static __xdata state;
ao_spi_get_bit(AO_74HC497_CS_PORT, AO_74HC497_CS_PIN, AO_74HC497_CS, AO_74HC497_SPI_BUS, AO_SPI_SPEED_FAST);
- ao_spi_send(&state, 1, AO_74HC497_SPI_BUS);
+ ao_spi_recv(&state, 1, AO_74HC497_SPI_BUS);
ao_spi_put_bit(AO_74HC497_CS_PORT, AO_74HC497_CS_PIN, AO_74HC497_CS, AO_74HC497_SPI_BUS);
return state;
}
+static void
+ao_74hc497_cmd(void)
+{
+ uint8_t v;
+
+ v = ao_74hc497_read();
+ printf ("Switches: 0x%02x\n", v);
+}
+
+static const struct ao_cmds ao_74hc497_cmds[] = {
+ { ao_74hc497_cmd, "L\0Show 74hc497" },
+ { 0, NULL }
+};
+
void
ao_74hc497_init(void)
{
ao_enable_output(AO_74HC497_CS_PORT, AO_74HC497_CS_PIN, AO_74HC497_CS, 1);
+ ao_cmd_register(&ao_74hc497_cmds[0]);
}