X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=src%2Fdrivers%2Fao_74hc497.c;h=4c13ee71e1a534c86cfe6ccf99ca0d273143799f;hb=7b275ddfe20f54857d7d1abb98607c406b678090;hp=93c544c34cab9e0d03c92a2d567b2ad9640e4511;hpb=bd02349111ae0f39b320e6a10a330051ddc39fdf;p=fw%2Faltos

diff --git a/src/drivers/ao_74hc497.c b/src/drivers/ao_74hc497.c
index 93c544c3..4c13ee71 100644
--- a/src/drivers/ao_74hc497.c
+++ b/src/drivers/ao_74hc497.c
@@ -28,13 +28,28 @@ ao_74hc497_read(void)
 {
 	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]);
 }