From 6bdfa059a45b8b0dffc392e994827467463f0103 Mon Sep 17 00:00:00 2001
From: Daniel Friesel <derf@finalrewind.org>
Date: Tue, 5 Dec 2017 16:00:05 +0100
Subject: Add basic ESP8266 support

---
 src/arch/esp8266/driver/gpio.cc | 40 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 src/arch/esp8266/driver/gpio.cc

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

diff --git a/src/arch/esp8266/driver/gpio.cc b/src/arch/esp8266/driver/gpio.cc
new file mode 100644
index 0000000..bc236a9
--- /dev/null
+++ b/src/arch/esp8266/driver/gpio.cc
@@ -0,0 +1,40 @@
+#include "driver/gpio.h"
+extern "C" {
+#include "osapi.h"
+#include "user_interface.h"
+#include "gpio.h"
+}
+
+void ICACHE_FLASH_ATTR GPIO::setup()
+{
+	gpio_init();
+
+	// Enable GPIO2 (ESP8266 on-board LED) as output
+	PIN_FUNC_SELECT(PERIPHS_IO_MUX_GPIO2_U, FUNC_GPIO2);
+
+	// Enable GPIO16 (RTC out / NodeMCU on-board LED) as output
+	//WRITE_PERI_REG(PAD_XPD_DCDC_CONF, (READ_PERI_REG(PAD_XPD_DCDC_CONF) & 0xffffffbc) | (uint32)0x1);
+	//WRITE_PERI_REG(RTC_GPIO_CONF, (READ_PERI_REG(RTC_GPIO_CONF) & (uint32)0xfffffffe) | (uint32)0x0);
+	//WRITE_PERI_REG(RTC_GPIO_ENABLE, (READ_PERI_REG(RTC_GPIO_ENABLE) & (uint32)0xfffffffe) | (uint32)0x1);
+}
+
+void ICACHE_FLASH_ATTR GPIO::led_on(unsigned char id)
+{
+	gpio_output_set(0, BIT2, BIT2, 0);
+}
+
+void ICACHE_FLASH_ATTR GPIO::led_off(unsigned char id)
+{
+	gpio_output_set(BIT2, 0, BIT2, 0);
+}
+
+void ICACHE_FLASH_ATTR GPIO::led_toggle(unsigned char id)
+{
+	if (GPIO_REG_READ(GPIO_OUT_ADDRESS) & BIT2) {
+		led_on(0);
+	} else {
+		led_off(0);
+	}
+}
+
+GPIO gpio;
-- 
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