From b9580b17fd34c0e4979e79eb66f1c76d5ae8298a Mon Sep 17 00:00:00 2001
From: Merlijn Wajer <merlijn@wizzup.org>
Date: Fri, 8 Nov 2019 18:52:55 +0100
Subject: [PATCH] (HACK): virtual: initial implementation

---
 include/buzzer.h        |  4 ++++
 include/console.h       |  2 ++
 include/led.h           |  2 ++
 include/rtc.h           |  1 +
 source/main.c           |  1 +
 source/platform/usart.c | 18 ++++++++++++++++++
 source/shell/alarm.c    |  2 ++
 source/shell/buzzer.c   |  1 +
 source/shell/led.c      |  2 ++
 9 files changed, 33 insertions(+)

diff --git a/include/buzzer.h b/include/buzzer.h
index 44ec07a..996add3 100644
--- a/include/buzzer.h
+++ b/include/buzzer.h
@@ -1,10 +1,14 @@
 #pragma once
 
+/*
 #include <libopencm3/stm32/timer.h>
+*/
 
 struct buzzer {
 	uint32_t timer;
+    /*
 	enum tim_oc_id channel;
+    */
 };
 
 void buzzer_init(struct buzzer *buzzer);
diff --git a/include/console.h b/include/console.h
index ad83fd0..3b0230b 100644
--- a/include/console.h
+++ b/include/console.h
@@ -1,6 +1,8 @@
 #pragma once
 
 #include <stdio.h>
+#include <sys/types.h>
+#include <unistd.h>
 
 #if HAVE_SYS_TYPES_H
 #include <sys/types.h>
diff --git a/include/led.h b/include/led.h
index 3225d39..06934c1 100644
--- a/include/led.h
+++ b/include/led.h
@@ -1,5 +1,7 @@
 #pragma once
 
+#include <stdint.h>
+
 struct led {
 	uint32_t port;
 	uint32_t pin;
diff --git a/include/rtc.h b/include/rtc.h
index 02e66f4..c6e8bb1 100644
--- a/include/rtc.h
+++ b/include/rtc.h
@@ -1,6 +1,7 @@
 #pragma once
 
 #include <time.h>
+#include <stdint.h>
 
 #define SECS_PER_DAY (24 * 60 * 60)
 
diff --git a/source/main.c b/source/main.c
index d4fd660..e70e5ab 100644
--- a/source/main.c
+++ b/source/main.c
@@ -2,6 +2,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <stdint.h>
 
 #include <buzzer.h>
 #include <console.h>
diff --git a/source/platform/usart.c b/source/platform/usart.c
index d3e1080..629ce28 100644
--- a/source/platform/usart.c
+++ b/source/platform/usart.c
@@ -1,7 +1,11 @@
 #define _GNU_SOURCE
+#include <stdint.h>
+
+/*
 #include <libopencm3/stm32/usart.h>
 #include <libopencm3/cm3/nvic.h>
 #include <libopencm3/cm3/scb.h>
+*/
 
 #include <ctype.h>
 #include <stdarg.h>
@@ -30,6 +34,7 @@ struct usart_console {
 
 static struct usart_console usart[2];
 
+#if 0
 #ifdef STM32F0
 #define USART_STOPBITS_1 USART_CR2_STOP_1_0BIT
 #endif
@@ -37,9 +42,15 @@ static struct usart_console usart[2];
 #ifdef STM32F1
 #define USART_ISR_RXNE USART_SR_RXNE
 #endif
+#endif
+
+void usart_send_blocking(uint32_t dev, char c) {
+    return;
+}
 
 static void usart_isr(struct usart_console *console)
 {
+#if 0
 	size_t i;
 
 	if (!console)
@@ -53,6 +64,7 @@ static void usart_isr(struct usart_console *console)
 		if (i != console->cur)
 			console->next = i;
 	}
+#endif
 }
 
 void usart1_isr(void)
@@ -192,17 +204,20 @@ static int usart_get_irq_no(unsigned *irq_no, unsigned dev)
 	if (!irq_no)
 		return -1;
 
+#if 0
 	switch (dev) {
 	case USART1: *irq_no = NVIC_USART1_IRQ; break;
 	case USART2: *irq_no = NVIC_USART2_IRQ; break;
 	default: return -1;
 	}
+#endif
 
 	return 0;
 }
 
 static int usart_init(struct usart_console *console)
 {
+#if 0
 	if (usart_get_irq_no(&console->irq_no, console->dev) < 0)
 		return -1;
 
@@ -216,6 +231,7 @@ static int usart_init(struct usart_console *console)
 	nvic_enable_irq(console->irq_no);
 	usart_enable(console->dev);
 	usart_enable_rx_interrupt(console->dev);
+#endif
 
 	return 0;
 }
@@ -232,11 +248,13 @@ struct console *console_init(unsigned dev_id)
 
 	console = usart + dev_id;
 
+#if 0
 	switch (dev_id) {
 	case 0: console->dev = USART1; break;
 	case 1: console->dev = USART2; break;
 	default: return NULL;
 	}
+#endif
 
 	console->cur = 0;
 	console->next = 0;
diff --git a/source/shell/alarm.c b/source/shell/alarm.c
index 6c4467e..4083312 100644
--- a/source/shell/alarm.c
+++ b/source/shell/alarm.c
@@ -2,7 +2,9 @@
 #include <stdlib.h>
 #include <string.h>
 
+#if 0
 #include <libopencm3/stm32/gpio.h>
+#endif
 
 #include <console.h>
 #include <rtc.h>
diff --git a/source/shell/buzzer.c b/source/shell/buzzer.c
index bc04f9c..8fcd36b 100644
--- a/source/shell/buzzer.c
+++ b/source/shell/buzzer.c
@@ -1,6 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <stdint.h>
 
 #include <buzzer.h>
 #include <console.h>
diff --git a/source/shell/led.c b/source/shell/led.c
index df1cb50..3409ffb 100644
--- a/source/shell/led.c
+++ b/source/shell/led.c
@@ -2,7 +2,9 @@
 #include <stdlib.h>
 #include <string.h>
 
+#if 0
 #include <libopencm3/stm32/gpio.h>
+#endif
 
 #include <console.h>
 #include <led.h>