From ad18b96e545a9fc6aebdcbfbcb4e3f0bb2785475 Mon Sep 17 00:00:00 2001
From: pennam <m.pennasilico@arduiono.cc>
Date: Wed, 31 Mar 2021 14:14:18 +0200
Subject: [PATCH] [WIP] I2C UART PWM proposal

---
 PortentaBreakoutCarrier.h | 75 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 75 insertions(+)

diff --git a/PortentaBreakoutCarrier.h b/PortentaBreakoutCarrier.h
index f089aa7..90330bf 100644
--- a/PortentaBreakoutCarrier.h
+++ b/PortentaBreakoutCarrier.h
@@ -29,6 +29,7 @@ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
 #include "Arduino.h"
 #include "pins_arduino.h"
 #include "mbed.h"
+#include "Wire.h"
 
 #define LAST_ARDUINO_PIN_NUMBER LEDB + 1
 typedef enum {
@@ -166,6 +167,69 @@ typedef enum {
     USB_EN = -1
 } breakoutPin;
 
+class BreakoutI2CClass {
+public:
+    MbedI2C BUS_0;
+    MbedI2C BUS_1;
+    MbedI2C BUS_2;
+    BreakoutI2CClass() : BUS_0(I2C_SDA_0, I2C_SCL_0),
+                         BUS_1(I2C_SDA_1, I2C_SCL_1),
+                         BUS_2(I2C_SDA_2, I2C_SCL_2)
+    {
+    }
+};
+
+class BreakoutUARTClass {
+public:
+    UART BUS_0;
+    UART BUS_1;
+    UART BUS_2;
+    UART BUS_3;
+    BreakoutUARTClass() : BUS_0(UART0_TX, UART0_RX, UART0_RTS, UART0_CTS),
+                          BUS_1(UART1_TX, UART1_RX, UART1_RTS, UART1_CTS),
+                          BUS_2(UART2_TX, UART2_RX, UART2_RTS, UART2_CTS),
+                          BUS_3(UART3_TX, UART3_RX, UART3_RTS, UART3_CTS)
+    {
+    }
+};
+
+class PWM {
+    breakoutPin pin;
+    mbed::PwmOut       *pwm;
+public:
+    PWM(breakoutPin pin): pin(pin) {
+    }
+    void begin(unsigned int period, unsigned int duty) {
+        if (pwm == NULL) {
+            pwm = new mbed::PwmOut((PinName)pin);
+            pwm->period(period);
+            pwm->write(duty);
+        } else {
+            pwm->period(period);
+            pwm->write(duty);
+        }
+    }
+    ~PWM() {
+        delete pwm;
+    }
+
+    void start (void) {
+        pwm->resume();
+    }
+    void stop (void) {
+        pwm->suspend();
+    }
+};
+
+class BreakoutPWMClass {
+public:
+    PWM PWM_0;
+    PWM PWM_1;
+    BreakoutPWMClass() : PWM_0(PWM0), PWM_1(PWM1)
+    {
+    }
+};
+
 class BreakoutCarrierClass {
 public:
     int pinMode(breakoutPin pin, PinMode mode) {
@@ -188,6 +252,17 @@ class BreakoutCarrierClass {
         }
         return -1;
     }
+    //Option 1
+    BreakoutI2CClass I2C;
+    // Option 2
+    MbedI2C I2C_0;
+    MbedI2C I2C_1;
+    MbedI2C I2C_2;
+    BreakoutCarrierClass() : I2C_0(I2C_SDA_0,I2C_SCL_0), I2C_1(I2C_SDA_1,I2C_SCL_1), I2C_2(I2C_SDA_2,I2C_SCL_2)
+    {
+    }
+    BreakoutUARTClass UART;
+    BreakoutPWMClass PWM;
 };
 
 BreakoutCarrierClass Breakout;