X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=blobdiff_plain;f=src%2Fdrivers%2Fao_74hc497.c;h=e8c3943033c69a194f70fb7c67dacba6cf8d22b8;hp=93c544c34cab9e0d03c92a2d567b2ad9640e4511;hb=6aeb000899ad7f22e92b487b5891664554bc4d33;hpb=4d4ad34aec0c75c66162b992f1e52947e4685730

diff --git a/src/drivers/ao_74hc497.c b/src/drivers/ao_74hc497.c
index 93c544c3..e8c39430 100644
--- a/src/drivers/ao_74hc497.c
+++ b/src/drivers/ao_74hc497.c
@@ -3,7 +3,8 @@
  *
  * 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
@@ -26,15 +27,30 @@
 uint8_t
 ao_74hc497_read(void)
 {
-	static __xdata state;
+	static 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]);
 }