Initial check in

2026-01-03 19:05:48 +01:00
commit 1254878a31
253 changed files with 30484 additions and 0 deletions
@@ -0,0 +1,45 @@
+#ifndef __FX2_USART_H__
+#define __FX2_USART_H__
+
+
+typedef enum _usart_cfg
+{
+	// -----------------------------------------------------
+	// 11 bit total length configuraations
+	// -----------------------------------------------------
+	uc8n2,		// 8 data bit no parity 2 stop bit
+	uc8e1,		// 8 data bit even parity 1 stop bit
+	uc8o1,		// 8 data bit odd parity 1 stop bit
+	
+	// -----------------------------------------------------
+	// 10 bit total length configuraations
+	// -----------------------------------------------------
+	uc8n1,		// 8 data bit no parity 1 stop
+} usart_cfg;
+
+// USART error codes
+// -----------------------------------------------------------------------------
+#define USART_OK              	0x00
+#define USART_ERROR             0x80
+#define USART_ABORT				0xFF
+
+
+// I2C state machine states
+// -----------------------------------------------------------------------------
+#define USART_IDLE                0x00
+#define USART_SENDING             0x01
+#define USART_RECEIVING           0x02
+//#define I2C_PRIME               0x03
+//#define I2C_BERROR              0x04
+//#define I2C_NACK                0x05
+//#define I2C_STOP                0x06
+//#define I2C_WAITSTOP            0x07
+
+
+
+void fx2_usart_init( unsigned int baud, usart_cfg cfg);
+BYTE fx2_usart_send( BYTE length, BYTE xdata *dat, BYTE xdata *pause);
+
+
+
+#endif