fw: Render display immediately after the last byte has been received

firmware/batmon.h

@@ -3,11 +3,12 @@
 #include <avr/io.h>
 
 #define ADC_CHANNEL 0
-#define PORT_ADCC(t) t##D
+#define PORT_ADCC(t) t##C
 #define PIN_ADCC (1 << 1)
 
-#define BAT_THRES_POWER_ON 60 // TODO: Minimum ADC value to allow turning the device on
-#define BAT_THRES_POWER_OFF 50 // TODO: ADC value to (hard) power off the device.
+// Nominal 3.7V: 195; Full 4.2V: 220
+#define BAT_THRES_POWER_ON 175 // TODO: Minimum ADC value to allow turning the device on (3.3V)
+#define BAT_THRES_POWER_OFF 165 // TODO: ADC value to (hard) power off the device. (3.1V)
 
 void batmon_init();
 uint8_t batmon_get_voltage();

firmware/input.h

@@ -2,16 +2,15 @@
 #define INPUT_H
 
 #define PORT_KEYPAD(t) t##D // Keys connected to: 0,1,2(INT0->POWER),5,6,7
-#define PIN_KEYPAD_MASK 0b11100111
+#define PIN_KEYPAD_MASK 0b11111111
 #define PORT_KEYAUX(t) t##B
-#define PIN_ROTARY_PUSH (1 << 0)
 
 #define PORT_SBCMON(t) t##C
 #define PIN_SBCMON (1 << 1)
 
-#define PORT_ROTARY(t) t##D
-#define PIN_ROTARY_A (1 << 3) // INT1
-#define PIN_ROTARY_B (1 << 4)
+#define PORT_ROTARY(t) t##B
+#define PIN_ROTARY_A (1 << 0)
+#define PIN_ROTARY_B (1 << 1)
 
 void input_init();
 void input_proc();

firmware/main.c

@@ -47,7 +47,9 @@ uint8_t spi_proc()
 				x++;
 				if (x == DISPLAY_WIDTH) {
 					x = 0;
+					y = Y_MAX;
 					new_data = 1; // Only update the display if a full frame was received
+					lcd_display();
 				}
 			} else {
 				y--;
@@ -55,7 +57,6 @@ uint8_t spi_proc()
 		}
 	} else {
 		if (new_data) {
-			lcd_display();
 			new_data = 0;
 		} else if ((y == Y_MAX - 3) && (x == 0)) { // If the last one was a I/O frame
 			input_clear_events();

firmware/pm.h

@@ -2,8 +2,8 @@
 #define PM_H
 #include <avr/io.h>
 
-#define PORT_SBCPOW(t) t##C
-#define PIN_SBCPOW (1 << 2)
+#define PORT_SBCPOW(t) t##B
+#define PIN_SBCPOW (1 << 7)
 
 void pm_init();
 void suspend();

software/webradio.py

@@ -5,9 +5,9 @@ import asyncio
 from mpd import MPDClient
 import spidev
 
-IO_DELAY = (1.0 / 25.0)
+IO_DELAY = (1.0 / 18.0)
 MPD_DELAY = 0.5
-SPI_SPEED = 600000
+SPI_SPEED = 500000
 
 class display(object):
 	def __init__(self):
@@ -129,14 +129,41 @@ class display_manager(object):
 		# TODO: Consider also animating inactive screens... Might resolve some glitches when updating text while a screen is in the background (or pass `tick` to update funcs)
 
 class radioserv:
+	def handle_rx(self, rdata):
+		# Handle key presses
+		key_id = rdata[0] & 0x0F
+		key_press_short = ((rdata[0] & 0xC0) == 128)
+		if (key_press_short):
+			print("Press key: {}".format(key_id))
+			if (key_id == 0): # Tune-
+				pass
+			elif (key_id == 1): # Tune+
+				self.mpd.previous()
+			elif (key_id == 2): # Power
+				self.kill_event.set()
+			elif (key_id == 4): # Wheel
+				self.mpd.pause()
+			elif (key_id == 5): # Source
+				pass
+			elif (key_id == 6): # Info / Menu
+				self.mpd.next()
+			elif (key_id == 7): # PRESET
+				pass
+		# Handle rotary input
+		rotary_delta = int(rdata[1])# - 128
+		if (rotary_delta > 0):
+			print("Rotary: {}".format(rdata[2]))
+			# self.mpd.volume(rotary_delta)
+		#print("Battery: {}".format(rdata[2]))
+
 	async def io_main(self):
 		while True:
 			self.disp_mgr.animate(1)
 			self.disp_mgr.render()
-			rdata = self.spi.xfer([100, 101, 102, 103], 100000, 1)
-			print(rdata)
+			rdata = self.spi.xfer([100, 101, 102], 50000, 1000)
+			self.handle_rx(rdata)
 			data = list(self.disp_mgr.get_image())
-			rdata = self.spi.xfer(data, SPI_SPEED, 1)
+			rdata = self.spi.xfer(data, SPI_SPEED, 10000)
 			await self.io_event.wait()
 			self.io_event.clear()
 
@@ -203,7 +230,7 @@ class radioserv:
 
 		# Connect to MPD
 		self.mpd = MPDClient()
-		self.mpd.connect("yuki", 6600)
+		self.mpd.connect("localhost", 6600)
 
 		# Set up displays
 		self.disp_playback = display_playback()
@@ -214,13 +241,14 @@ class radioserv:
 
 		# Create main tasks
 		self.io_event = asyncio.Event()
+		self.kill_event = asyncio.Event()
 
 		io_task = asyncio.create_task(self.io_main())
 		io_timer_task = asyncio.create_task(self.io_timer_main())
 		mpd_task = asyncio.create_task(self.mpd_main())
 
-		# TODO: Wait for exit condition (shutdown command)
-		await asyncio.sleep(6000)
+		await self.kill_event.wait()
+		self.kill_event.clear()
 
 		io_timer_task.cancel()
 		io_task.cancel()