# HG changeset patch
# User Mychaela Falconia <falcon@freecalypso.org>
# Date 1637978986 0
# Node ID 9f5a3567d69931adaf653fb28c4524abb5804cd6
# Parent  c247abb89302ae92c19a7f73a24efc6a08765300
progress toward LCD integration

diff -r c247abb89302 -r 9f5a3567d699 venus/src/Makefile
--- a/venus/src/Makefile	Sat Nov 27 01:43:32 2021 +0000
+++ b/venus/src/Makefile	Sat Nov 27 02:09:46 2021 +0000
@@ -9,6 +9,7 @@
 	core/rita_rf_chip.v core/rita_vcxo_int.v core/rita_wrap.v \
 	core/xtal_32khz_wrap.v \
 	periph/MAX1916.v periph/Si9407AEY.v periph/battery.v \
+	periph/bl_current_select.v periph/bl_current_sink.v \
 	periph/calypso_uart_in.v periph/charging_circuit.v \
 	periph/charging_led.v periph/inv_buffer_74LVC1G04.v periph/jtag_if.v \
 	periph/lcd_module.v periph/sim_socket_block.v periph/sim_socket_wrap.v \
diff -r c247abb89302 -r 9f5a3567d699 venus/src/periph/bl_current_select.v
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/venus/src/periph/bl_current_select.v	Sat Nov 27 02:09:46 2021 +0000
@@ -0,0 +1,24 @@
+module bl_current_select (GND, Vio, BL_GPIO11, BL_GPIO12, SET);
+
+input GND, Vio;
+input BL_GPIO11, BL_GPIO12;
+output SET;
+
+wire buf_out_GPIO11, buf_out_GPIO12;
+
+/* U403 buffer common part */
+logic_ic_common U403_common (.Vcc(Vio), .GND(GND));
+
+/* bypass capacitor */
+capacitor U403_bypass (Vio, GND);
+
+/* buffer slots */
+buffer_slot_3state buf_GPIO11 (.A(Vio), .nOE(BL_GPIO11), .Y(buf_out_GPIO11));
+buffer_slot_3state buf_GPIO12 (.A(Vio), .nOE(BL_GPIO12), .Y(buf_out_GPIO12));
+
+/* MAX1916 current control resistors */
+resistor R_fixed  (Vio, SET);
+resistor R_GPIO11 (buf_out_GPIO11, SET);
+resistor R_GPIO12 (buf_out_GPIO12, SET);
+
+endmodule
diff -r c247abb89302 -r 9f5a3567d699 venus/src/periph/bl_current_sink.v
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/venus/src/periph/bl_current_sink.v	Sat Nov 27 02:09:46 2021 +0000
@@ -0,0 +1,22 @@
+module bl_current_sink (GND, Vio, BL_GPIO9, BL_GPIO11, BL_GPIO12, LEDK);
+
+input GND, Vio;
+input BL_GPIO9, BL_GPIO11, BL_GPIO12;
+output [1:3] LEDK;
+
+wire SET;
+
+MAX1916 MAX1916 (.GND(GND),
+		 .EN(BL_GPIO9),
+		 .SET(SET),
+		 .LEDK(LEDK)
+	);
+
+bl_current_select cursel (.GND(GND),
+			  .Vio(Vio),
+			  .BL_GPIO11(BL_GPIO11),
+			  .BL_GPIO12(BL_GPIO12),
+			  .SET(SET)
+	);
+
+endmodule