added chapter 32, 33 and 34

2026-07-31 08:07:26 +02:00 · 2024-04-06 16:31:06 -04:00
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+/**
+ * MIT License
+ * 
+ * Copyright (c) 2024 My Techno Talent
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+*/
+
+/** @file input.h
+ * 
+ *  @brief Constant and function prototypes for the input driver.
+ * 
+ *  This contains the constants and function prototypes for the input driver which
+ *  will handle UART configuration in addition to capturing a character from the 
+ *  UART terminal.
+ *   
+ *  @author Kevin Thomas
+ *  @date   04/06/2024
+*/
+
+#ifndef _INPUT_H
+#define _INPUT_H
+
+#include "pico/stdlib.h"
+#include "hardware/uart.h"
+#include "hardware/irq.h"
+
+#define UART_ID uart0
+#define BAUD_RATE 115200
+#define UART_TX_PIN 0
+#define UART_RX_PIN 1
+
+/**
+ * @brief Initializes UART0 with specified baud rate and pin configurations.
+ *
+ * This function initializes UART0 with the specified baud rate and configures the GPIO pins
+ * for UART transmission (TX) and reception (RX).
+ *
+ * @param  None
+ * @return None
+ */
+void uart0_init(void);
+
+/**
+ * @brief Handles a UART received character.
+ *
+ * This function checks if data is available to read from UART, and if so,
+ * it reads and returns the received character. If no data is available,
+ * it returns 0.
+ *
+ * @param  None
+ * @return The received character if available, or 0 if no data is available.
+ */
+uint8_t on_uart_rx(void);
+
+#endif /* _INPUT_H */