boards: add SIMCOM SIM868 module support

Signed-off-by: Ajay Bhargav <[email protected]>

Author: ajaybhargav

boards.txt

@@ -424,3 +424,41 @@ quectelm56.upload.maximum_ram_size=96256
 quectelm56.upload.speed=460800
 quectelm56.upload.require_upload_port=true
 quectelm56.upload.wait_for_upload_port=true
+
+# sim868 board definition
+sim868.name=SIMCOM SIM868 GSM Module
+
+# build
+sim868.build.core=logicrom
+sim868.build.cpu=arm9ejs
+sim868.build.f_cpu=260000000
+sim868.build.board=SIMCOM_SIM868
+sim868.build.mcu=mt2503
+sim868.build.variant=sim868
+sim868.build.vid=0x0E8D
+sim868.build.pid=0x0003
+sim868.build.extra_flags=-DPLATFORM_SIM868=1
+sim868.build.logicromlib=logicrom
+sim868.build.ldscript=linkerscript.ld
+sim868.menu.debug.Release=Release
+sim868.menu.debug.Release.build.build_type=
+sim868.menu.debug.Debug=Debug
+sim868.menu.debug.Debug.build.build_type=_debug
+sim868.menu.stdio.none=None
+sim868.menu.stdio.none.build.stdio_port=
+sim868.menu.stdio.ttys0=Uart0 (/dev/ttyS0)
+sim868.menu.stdio.ttys0.build.stdio_port=/dev/ttyS0
+sim868.menu.stdio.ttys1=Uart1 (/dev/ttyS1)
+sim868.menu.stdio.ttys1.build.stdio_port=/dev/ttyS1
+sim868.menu.stdio.ttyusb=USB Uart (/dev/ttyUSB0)
+sim868.menu.stdio.ttyusb.build.stdio_port=/dev/ttyUSB0
+
+# upload
+sim868.bootloader.tool=logicromflasher
+sim868.upload.tool=logicromflasher
+sim868.upload.protocol=logicromflasher
+sim868.upload.maximum_size=262144
+sim868.upload.maximum_ram_size=96256
+sim868.upload.speed=460800
+sim868.upload.require_upload_port=true
+sim868.upload.wait_for_upload_port=true

variants/sim868/pins_arduino.h

@@ -0,0 +1,21 @@
+/*
+  Copyright (c) 2011 Arduino.  All right reserved.
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+  See the GNU Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+
+// API compatibility
+#include "variant.h"
+

variants/sim868/variant.cpp

@@ -0,0 +1,61 @@
+/*
+  Copyright (c) Waybyte Solutions.  All right reserved.
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License..
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 
+   See the GNU Lesser General Public License for more details.
+*/
+
+#include "Arduino.h"
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+int g_ioHandles[GPIO_PIN_MAX];
+int g_ioModes[GPIO_PIN_MAX];
+
+static const uint32_t adc_channel_map[6][2] = {
+	{GPIO_PIN_MAX, ADC_CH0},
+};
+
+static const uint32_t pwm_channel_map[2][2] = {
+	{GPIO_5, PWM_CH0},
+	{GPIO_26, PWM_CH1},
+};
+
+int pin2adc_channel(uint32_t pin)
+{
+	for (int i = 0; i < 6; i++) {
+		if (adc_channel_map[i][0] == pin)
+			return adc_channel_map[i][1];
+	}
+
+	return -1;
+}
+
+int pin2pwm_channel(uint32_t pin)
+{
+	for (int i = 0; i < 2; i++) {
+		if (pwm_channel_map[i][0] == pin)
+			return pwm_channel_map[i][1];
+	}
+
+	return -1;
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+void variant_init(void)
+{
+	/* variant init */
+}

variants/sim868/variant.h

@@ -0,0 +1,72 @@
+#ifndef _VARIANT_MC20U_X_
+#define _VARIANT_MC20U_X_
+
+/*
+ * Headers
+ */
+#include <lib.h>
+#include <utils.h>
+#include <os_api.h>
+#include <hw/gpio.h>
+#include <hw/adc.h>
+#include <hw/pwm.h>
+#include <hw/i2c.h>
+#include <hw/spi.h>
+
+#include <ril.h>
+
+/* Default Definitions */
+#define VARIANT_MCK 260000000
+#define PWM_FREQUENCY 1000
+#ifndef DEFAULT_STDIO_PORT
+#define DEFAULT_STDIO_PORT "/dev/ttyUSB0"
+#endif
+
+#define SPI_MAX_SPEED 10000000UL
+
+/* Analog Pin definition */
+#define A0 GPIO_PIN_MAX
+
+/* LED */
+#define LED_BUILTIN GPIO_5
+
+/*
+ * SPI Interfaces
+ */
+#define SPI_INTERFACES_COUNT 1
+#define PIN_SPI_SS0 (GPIO_4)
+#define PIN_SPI_MOSI (GPIO_15)
+#define PIN_SPI_MISO (GPIO_14)
+#define PIN_SPI_SCK (GPIO_6)
+#define BOARD_SPI_SS0 (PIN_SPI_SS0)
+
+static const uint8_t SS = BOARD_SPI_SS0;
+static const uint8_t MOSI = PIN_SPI_MOSI;
+static const uint8_t MISO = PIN_SPI_MISO;
+static const uint8_t SCK = PIN_SPI_SCK;
+
+/* For Variant.cpp */
+#define CHECK_MODE(pin, mode) ((g_ioModes[pin] & 0xff) == IO_MODE_##mode)
+
+enum _io_mode {
+	IO_MODE_GPIO = 1,
+	IO_MODE_ADC = 2,
+	IO_MODE_PWM = 3,
+};
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+extern int g_ioHandles[GPIO_PIN_MAX];
+extern int g_ioModes[GPIO_PIN_MAX];
+
+int pin2adc_channel(uint32_t pin);
+int pin2pwm_channel(uint32_t pin);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif