From: Tilman Sauerbeck <tilman@code-monkey.de>
Date: Fri, 20 Dec 2019 20:09:42 +0000 (+0100)
Subject: application: Set up pins for the display.
X-Git-Url: http://git.code-monkey.de/?a=commitdiff_plain;h=684d0bbaff4c9fc2935eb5281c897ac40b86b73f;p=gps-watch.git

application: Set up pins for the display.

This configures I2C0 as well as the GPIO used to control the display's
reset line.
---

diff --git a/src/application/main.rs b/src/application/main.rs
index bd1091f..39e0e02 100644
--- a/src/application/main.rs
+++ b/src/application/main.rs
@@ -33,6 +33,7 @@ use common::systick;
 use common::port;
 use common::gpio;
 use common::nvic;
+use common::i2c;
 use common::usb_serial;
 
 extern {
@@ -47,6 +48,18 @@ pub unsafe extern fn main() {
     systick::init();
     port::init();
 
+    // Configure pins for I2C0.
+    port::set_af(port::PORTC, 8, 2);
+    port::set_af(port::PORTC, 9, 2);
+
+    i2c::configure(i2c::I2C0);
+
+    nvic::disable_irq(8); // I2C0
+
+    // Configure pin for the display's reset line.
+    gpio::set_direction(gpio::GPIOB, 1 << 16, gpio::Direction::Output);
+    port::set_af(port::PORTB, 16, 1);
+
     // Configure upper right push button.
     gpio::set_direction(gpio::GPIOA, 1 << 12, gpio::Direction::Input);
     port::set_af(port::PORTA, 12, 1);