first cut of usbrelay-v0.1 support .. LEDs wiggle, not switching relay yet

4 files changed, 217 insertions, 0 deletions

diff --git a/src/usbrelay-v0.1/ao_pins.h b/src/usbrelay-v0.1/ao_pins.h
new file mode 100644
index 00000000..ed60486d
--- /dev/null
+++ b/src/usbrelay-v0.1/ao_pins.h
@@ -0,0 +1,73 @@
+/*
+ * Copyright © 2015 Bdale Garbee <bdale@gag.com>
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+
+#define HAS_BEEP	0
+
+#define AO_STACK_SIZE	384
+
+#define IS_FLASH_LOADER	0
+
+/* Crystal on the board */
+#define AO_LPC_CLKIN	12000000
+
+/* Main clock frequency. 48MHz for USB so we don't use the USB PLL */
+#define AO_LPC_CLKOUT	48000000
+
+/* System clock frequency */
+#define AO_LPC_SYSCLK	24000000
+
+#define HAS_USB		1
+
+#define HAS_USB_CONNECT	0
+#define HAS_USB_VBUS	0
+#define HAS_USB_PULLUP	1
+#define AO_USB_PULLUP_PORT	0
+#define AO_USB_PULLUP_PIN	6
+
+/* USART */
+
+#define HAS_SERIAL		1
+#define USE_SERIAL_0_STDIN	0
+#define SERIAL_0_18_19		1
+#define SERIAL_0_14_15		0
+#define SERIAL_0_17_18		0
+#define SERIAL_0_26_27		0
+
+/* SPI */
+
+#define HAS_SPI_0		0
+#define SPI_SCK0_P0_6		0
+#define HAS_SPI_1		0
+#define SPI_SCK1_P1_15		0
+#define SPI_MISO1_P0_22		0
+#define SPI_MOSI1_P0_21		0
+
+/* LED */
+
+#define LED_PORT		0
+#define LED_PIN_RED		23
+#define LED_PIN_GREEN		7
+#define AO_LED_RED		(1 << LED_PIN_RED)
+#define AO_LED_GREEN		(1 << LED_PIN_GREEN)
+
+#define LEDS_AVAILABLE		(AO_LED_RED|AO_LED_GREEN)
+
+/* Kludge the SPI driver to not configure any
+ * pin for SCK or MOSI
+ */
+#define HAS_SCK1		0
+#define HAS_MOSI1		0
diff --git a/src/usbrelay-v0.1/ao_serial_lpc.h b/src/usbrelay-v0.1/ao_serial_lpc.h
new file mode 100644
index 00000000..a95b6af1
--- /dev/null
+++ b/src/usbrelay-v0.1/ao_serial_lpc.h
@@ -0,0 +1,33 @@
+#define AO_LPC_USARTCLK 12000000
+
+static const struct {
+	uint16_t dl;
+	uint8_t divaddval;
+	uint8_t mulval;
+} ao_usart_speeds[] = {
+	[AO_SERIAL_SPEED_4800] = { /* actual =  4800.00 */
+		.dl = 125,
+		.divaddval = 1,
+		.mulval = 4
+	},
+	[AO_SERIAL_SPEED_9600] = { /* actual =  9603.07 */
+		.dl = 71,
+		.divaddval = 1,
+		.mulval = 10
+	},
+	[AO_SERIAL_SPEED_19200] = { /* actual = 19181.59 */
+		.dl = 23,
+		.divaddval = 7,
+		.mulval = 10
+	},
+	[AO_SERIAL_SPEED_57600] = { /* actual = 57692.31 */
+		.dl = 7,
+		.divaddval = 6,
+		.mulval = 7
+	},
+	[AO_SERIAL_SPEED_115200] = { /* actual = 115384.6 */
+		.dl = 4,
+		.divaddval = 5,
+		.mulval = 8
+	},
+};
diff --git a/src/usbrelay-v0.1/ao_usbrelay.c b/src/usbrelay-v0.1/ao_usbrelay.c
new file mode 100644
index 00000000..5f4bf963
--- /dev/null
+++ b/src/usbrelay-v0.1/ao_usbrelay.c
@@ -0,0 +1,78 @@
+/*
+ * Copyright © 2014 Bdale Garbee <bdale@gag.com>
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+
+#include <ao.h>
+
+uint8_t		relay_output;
+
+// switch relay to selected output, turn correct LED on as a side effect
+static void
+ao_relay_control(uint8_t output)
+{
+	switch (output) {
+	case 1:
+		ao_led_on(AO_LED_RED);
+		ao_led_off(AO_LED_GREEN);
+		break;
+	default:
+		ao_led_off(AO_LED_RED);
+		ao_led_on(AO_LED_GREEN);
+	}
+}
+
+static void
+ao_relay_select(void) __reentrant
+{
+	uint8_t output;
+
+	ao_cmd_decimal();
+        if (ao_cmd_status != ao_cmd_success)
+                return;
+	output = ao_cmd_lex_i;
+
+	printf ("Relay control not implemented yet, %u selected\n", output);
+	ao_relay_control(output);
+}
+
+static __code struct ao_cmds ao_relay_cmds[] = {
+	{ ao_relay_select, "R <output>\0Select relay output" },
+	{ 0, NULL }
+};
+
+void
+main(void)
+{
+	ao_clock_init();
+	ao_task_init();
+	ao_timer_init();
+
+	ao_usb_init();
+
+	ao_serial_init();
+
+	ao_led_init(LEDS_AVAILABLE);
+
+	// initialize to default output
+	relay_output = 0;
+	ao_relay_control(relay_output);
+
+	ao_cmd_init();
+
+	ao_cmd_register(ao_relay_cmds);
+
+	ao_start_scheduler();
+}
diff --git a/src/usbrelay-v0.1/flash-loader/ao_pins.h b/src/usbrelay-v0.1/flash-loader/ao_pins.h
new file mode 100644
index 00000000..a8046009
--- /dev/null
+++ b/src/usbrelay-v0.1/flash-loader/ao_pins.h
@@ -0,0 +1,33 @@
+/*
+ * Copyright © 2013 Keith Packard <keithp@keithp.com>
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+
+#ifndef _AO_PINS_H_
+#define _AO_PINS_H_
+
+#include <ao_flash_lpc_pins.h>
+
+#define AO_BOOT_PIN		1
+#define AO_BOOT_APPLICATION_GPIO	0
+#define AO_BOOT_APPLICATION_PIN		19
+#define AO_BOOT_APPLICATION_VALUE	1
+#define AO_BOOT_APPLICATION_MODE	AO_EXTI_MODE_PULL_UP
+
+#define HAS_USB_PULLUP		1
+#define AO_USB_PULLUP_PORT	0
+#define AO_USB_PULLUP_PIN	6
+
+#endif /* _AO_PINS_H_ */