Merge pull request #1316 from kpurusho/master

Drivers for SAMD21

Author: 0xc0170

libraries/mbed/targets/hal/TARGET_Atmel/TARGET_SAM_CortexM0+/PortNames.h

@@ -22,8 +22,11 @@ extern "C" {
 
 typedef enum {
     PortA = 0,
-    PortB = 1,
-    PortC = 2
+    PortB,
+#if defined(TARGET_SAMR21G18A)
+    PortC,
+#endif
+    PortMax
 } PortName;
 
 #ifdef __cplusplus

libraries/mbed/targets/hal/TARGET_Atmel/TARGET_SAM_CortexM0+/TARGET_SAMD21J18A/PeripheralNames.h

@@ -0,0 +1,158 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MBED_PERIPHERALNAMES_H
+#define MBED_PERIPHERALNAMES_H
+
+#include <compiler.h>
+#include "cmsis.h"
+#include "PinNames.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define _SERCOM_SPI_NAME(n, unused) \
+                            SPI##n,
+
+#define _SERCOM_PAD_NAME(n, pad) \
+				SERCOM##n##_PAD##pad = ((n & 0xF) | ((pad & 0xF) << 4)),
+
+#define _SERCOM_I2C_NAME(n, unused) \
+                            I2C##n,
+
+
+
+typedef enum {
+    UART_0 = (int)0x42000800UL,  // Base address of SERCOM0
+    UART_1 = (int)0x42000C00UL,  // Base address of SERCOM1
+    UART_2 = (int)0x42001000UL,  // Base address of SERCOM2
+    UART_3 = (int)0x42001400UL,  // Base address of SERCOM3
+    UART_4 = (int)0x42001800UL,  // Base address of SERCOM4
+    UART_5 = (int)0x42001C00UL   // Base address of SERCOM5
+} UARTName;
+
+typedef enum {
+    ADC_0  =  0x0ul,
+    ADC_1  =  0x1ul,
+    ADC_2  =  0x2ul,
+    ADC_3  =  0x3ul,
+    ADC_4  =  0x4ul,
+    ADC_5  =  0x5ul,
+    ADC_6  =  0x6ul,
+    ADC_7  =  0x7ul,
+    ADC_8  =  0x8ul,
+    ADC_9  =  0x8ul,
+    ADC_10 =  0xAul,
+    ADC_11 =  0xBul,
+    ADC_12 =  0xCul,
+    ADC_13 =  0xDul,
+    ADC_14 =  0xEul,
+    ADC_15 =  0xFul,
+    ADC_16 =  0x10ul,
+    ADC_17 =  0x11ul,
+    ADC_18 =  0x12ul,
+    ADC_19 =  0x13ul
+} ADCName;
+
+typedef enum {
+    DAC_0  =  0x42004800UL
+} DACName;
+
+typedef enum {  // for each channel
+    EXTINT_0 = 0,
+    EXTINT_1,
+    EXTINT_2,
+    EXTINT_3,
+    EXTINT_4,
+    EXTINT_5,
+    EXTINT_6,
+    EXTINT_7,
+    EXTINT_8,
+    EXTINT_9,
+    EXTINT_10,
+    EXTINT_11,
+    EXTINT_12,
+    EXTINT_13,
+    EXTINT_14,
+    EXTINT_15
+} EXTINTName;
+
+typedef enum {
+    MREPEAT(SERCOM_INST_NUM, _SERCOM_SPI_NAME, ~)
+} SPIName;
+
+typedef enum {
+    MREPEAT(SERCOM_INST_NUM, _SERCOM_I2C_NAME, ~)
+} I2CName;
+
+typedef enum {
+    /* Pad 0 definitions */
+    MREPEAT(SERCOM_INST_NUM, _SERCOM_PAD_NAME, 0)
+
+    /* Pad 1 definitions */
+    MREPEAT(SERCOM_INST_NUM, _SERCOM_PAD_NAME, 1)
+
+    /* Pad 2 definitions */
+    MREPEAT(SERCOM_INST_NUM, _SERCOM_PAD_NAME, 2)
+
+    /* Pad 3 definitions */
+    MREPEAT(SERCOM_INST_NUM, _SERCOM_PAD_NAME, 3)
+} SercomPadName;
+
+typedef enum {
+    PWM_0 = (0x42002000UL), /**< \brief (TCC0) APB Base Address */
+    PWM_1 = (0x42002400UL), /**< \brief (TCC1) APB Base Address */
+    PWM_2 = (0x42002800UL), /**< \brief (TCC2) APB Base Address */
+} PWMName;
+
+struct pwm_pin_channel {
+    PinName pin;
+    PWMName pwm;
+    uint8_t channel_index;
+};
+
+#define STDIO_UART_TX     USBTX
+#define STDIO_UART_RX     USBRX
+#define STDIO_UART        UART_3
+
+// Default peripherals
+#define MBED_SPI0         PA18, PA16, PA19, PA17
+
+#define MBED_UART0        PA04, PA05
+#define MBED_UARTUSB      USBTX, USBRX
+
+#define MBED_I2C0         PA08, PA09
+
+#define MBED_ANALOGOUT0   PA02
+
+#define MBED_ANALOGIN0    PA03
+#define MBED_ANALOGIN1    PA08
+#define MBED_ANALOGIN2    PB09
+#define MBED_ANALOGIN3    PA04
+#define MBED_ANALOGIN4    PA05
+#define MBED_ANALOGIN5    PA06
+#define MBED_ANALOGIN7    PA07
+#define MBED_ANALOGIN8    PB00
+#define MBED_ANALOGIN9    PB01
+
+#define MBED_PWMOUT0      PA18
+#define MBED_PWMOUT1      PA19
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif