From 3875f37b2ce1d020aaf5174ea2a885bfdb98db98 Mon Sep 17 00:00:00 2001
From: Daniel Friesel <derf@finalrewind.org>
Date: Fri, 12 Jan 2018 14:40:30 +0100
Subject: add stdin for esp8266 and msp430 as well as preliminary shell app

---
 src/arch/esp8266/driver/stdin.cc | 77 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 77 insertions(+)
 create mode 100644 src/arch/esp8266/driver/stdin.cc

(limited to 'src/arch/esp8266/driver/stdin.cc')

diff --git a/src/arch/esp8266/driver/stdin.cc b/src/arch/esp8266/driver/stdin.cc
new file mode 100644
index 0000000..7c7d2a7
--- /dev/null
+++ b/src/arch/esp8266/driver/stdin.cc
@@ -0,0 +1,77 @@
+#include "driver/stdin.h"
+#include "driver/gpio.h"
+extern "C" {
+#include "osapi.h"
+#include "user_interface.h"
+#include "gpio.h"
+#include "ets_sys.h"
+void ets_isr_attach(uint16_t idx, void func(), void *arg);
+void ets_isr_unmask(uint16_t idx);
+}
+
+#define USF  *((volatile uint32_t *)(0x60000000))
+#define USIR *((volatile uint32_t *)(0x60000004))
+#define USIS *((volatile uint32_t *)(0x60000008))
+#define USIE *((volatile uint32_t *)(0x6000000c))
+#define USIC *((volatile uint32_t *)(0x60000010))
+#define USS  *((volatile uint32_t *)(0x6000001c))
+#define USC1 *((volatile uint32_t *)(0x60000024))
+
+#define UIFF 0
+#define UIFE 1
+#define UIPE 2
+#define UIFR 3
+#define UIOF 4
+#define UIDSR 5
+#define UICTS 6
+#define UIBD 7
+#define UITO 8
+
+#define USRXC 0
+#define UCFFT 0
+#define UCTOT 24
+#define UCTOE 31
+
+
+#ifdef WITH_WAKEUP
+void wakeup();
+#endif
+
+void uart_isr()
+{
+	if (USIS & ((1 << UIFF) | (1 << UITO))) {
+		while ((USS >> USRXC) & 0x7f) {
+			kin.addKey(USF);
+		}
+	}
+	USIC = USIS;
+#ifdef WITH_WAKEUP
+	wakeup();
+#endif
+}
+
+void StandardInput::setup()
+{
+	//USC1 = (0x7f << UCFFT) | (0x02 << UCTOT) | (1 << UCTOE );
+	USIC = 0xffff;
+	USIE = (1 << UIFF) | (1 << UIFR) | (1 << UITO);
+	ETS_UART_INTR_ATTACH(&uart_isr, NULL);
+	ETS_UART_INTR_ENABLE();
+}
+
+bool StandardInput::hasKey()
+{
+	if (write_pos != read_pos) {
+		return true;
+	}
+	return false;
+}
+
+char StandardInput::getKey()
+{
+	char ret = buffer[read_pos++];
+	read_pos %= 8;
+	return ret;
+}
+
+StandardInput kin;
-- 
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