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-rw-r--r--hal/pin.hpp23
-rw-r--r--hal/pin.tpp30
-rw-r--r--hal/uart.hpp87
-rw-r--r--hal/uart1.tpp45
4 files changed, 185 insertions, 0 deletions
diff --git a/hal/pin.hpp b/hal/pin.hpp
new file mode 100644
index 0000000..9df22d4
--- /dev/null
+++ b/hal/pin.hpp
@@ -0,0 +1,23 @@
+/*
+ * File: pin.hpp
+ * Author: naopross
+ *
+ * Created on May 3, 2018, 8:02 PM
+ */
+
+#ifndef PIN_HPP
+#define PIN_HPP
+
+template<typename reg, unsigned bit>
+class pin {
+public:
+ pin(reg *r);
+ virtual ~pin();
+
+ void set(bool v);
+
+private:
+ reg *_register;
+};
+
+#endif /* PIN_HPP */ \ No newline at end of file
diff --git a/hal/pin.tpp b/hal/pin.tpp
new file mode 100644
index 0000000..4f6bd4a
--- /dev/null
+++ b/hal/pin.tpp
@@ -0,0 +1,30 @@
+/*
+ * File: pin.cpp
+ * Author: naopross
+ *
+ * Created on May 3, 2018, 8:02 PM
+ */
+
+#include "pin.hpp"
+
+template<typename reg, unsigned bit>
+pin<reg, bit>::pin(reg *r)
+{
+ _register = r;
+}
+
+
+template<typename reg, unsigned bit>
+pin<reg, bit>::~pin()
+{
+
+}
+
+template<typename reg, unsigned bit>
+void pin<reg, bit>::set(bool v)
+{
+ if (v)
+ *reinterpret_cast<volatile uint8_t *>(_register) |= 1<<bit;
+ else
+ *reinterpret_cast<volatile uint8_t *>(_register) &= ~(1<<bit);
+} \ No newline at end of file
diff --git a/hal/uart.hpp b/hal/uart.hpp
new file mode 100644
index 0000000..179dd4a
--- /dev/null
+++ b/hal/uart.hpp
@@ -0,0 +1,87 @@
+/*
+ * File: uart.hpp
+ * Author: naopross
+ *
+ * Created on May 2, 2018, 7:04 PM
+ */
+
+#ifndef UART_HPP
+#define UART_HPP
+
+#include <cstdint>
+#include <cstddef>
+#include <string>
+
+extern "C" {
+void usart_1_isr();
+void usart_2_isr();
+void usart_3_isr();
+void usart_4_isr();
+}
+
+namespace uart
+{
+ const unsigned devices_count = 4;
+
+ enum class status : unsigned int
+ {
+ rx_data_available = 1<<0,
+ rx_overrun_error = 1<<1,
+ framing_error = 1<<2,
+ parity_error = 1<<3,
+ receiver_ide = 1<<4,
+ tx_complete = 1<<8,
+ tx_full = 1<<9,
+ };
+
+ enum class transfer_status : unsigned int
+ {
+ rx_full = 1<<0,
+ rx_data_present = 1<<1,
+ rx_empty = 1<<2,
+ tx_full = 1<<3,
+ tx_empty = 1<<4,
+ };
+
+ std::string rx_buffer[devices_count];
+ std::string tx_buffer[devices_count];
+
+ template<unsigned dev>
+ void initialize();
+
+ template<unsigned dev>
+ uint8_t peek(uint16_t offset);
+
+ template<unsigned dev>
+ uint8_t read(void);
+
+ template<unsigned dev>
+ unsigned read(uint8_t *buffer, const unsigned numbytes);
+
+ template<unsigned dev>
+ void write(const uint8_t byte);
+
+ template<unsigned dev>
+ unsigned write(const uint8_t *buffer, const unsigned numbytes);
+
+ template<unsigned dev>
+ status status();
+
+ template<unsigned dev>
+ transfer_status tranfer_status();
+
+ template<unsigned dev>
+ unsigned rx_buffer_size();
+
+ template<unsigned dev>
+ unsigned tx_buffer_size();
+
+ template<unsigned dev>
+ bool rx_buffer_empty();
+
+ template<unsigned dev>
+ bool tx_buffer_full();
+}
+
+#endif /* UART_HPP */
+
diff --git a/hal/uart1.tpp b/hal/uart1.tpp
new file mode 100644
index 0000000..a8a32f0
--- /dev/null
+++ b/hal/uart1.tpp
@@ -0,0 +1,45 @@
+/*
+ * File: uart.cpp
+ * Author: naopross
+ *
+ * Created on May 2, 2018, 7:05 PM
+ */
+
+#include "uart.hpp"
+
+extern "C" {
+#include <proc/p32mx470f512h.h>
+#include <sys/attribs.h>
+}
+
+
+void __ISR(_UART_1_VECTOR, IPL1AUTO) usart_1_isr()
+{
+ if (IFS1bits.U1RXIF) {
+ uart::rx_buffer[0].push_back(static_cast<uint8_t>(U1RXREG));
+ }
+}
+
+namespace uart
+{
+ template<>
+ void initialize<1>()
+ {
+ // STSEL 1S; IREN disabled; PDSEL 8N; RTSMD disabled; RXINV disabled; SIDL disabled; WAKE disabled; ABAUD disabled; LPBACK disabled; BRGH enabled; UEN TX_RX; ON enabled;
+ U1MODE = 0x8008;
+ // UTXISEL TX_ONE_CHAR; UTXINV disabled; ADDR 0; URXEN disabled; OERR disabled; ADM_EN disabled; URXISEL RX_ONE_CHAR; UTXBRK disabled; UTXEN disabled; ADDEN disabled;
+ U1STA = 0x0;
+ // U1TXREG 0;
+ U1TXREG = 0x0;
+ // BaudRate = 9600; Frequency = 1000000 Hz; BRG 25;
+ U1BRG = 0x19;
+
+ IEC1bits.U1RXIE = 1;
+
+ U1STAbits.UTXEN = 1;
+ U1STAbits.URXEN = 1;
+
+ //Enabling UART
+ U1MODEbits.ON = 1;
+ }
+} \ No newline at end of file