waterDataPreprocessing preliminaryDataProcessing.h 唐峰 commit at 2021-03-26

waterDataPreprocessing/monitoringDataProcessing/preliminaryDataProcessing.h

@@ -356,3 +356,75 @@ UART_PUT_DLH(p, (v >> 8) & 0xFF); } while (0);
 
 #define UART_CLEAR_DLAB(p)    /* MMRs not muxed on BF54x */
 #define UART_SET_DLAB(p)      /* MMRs not muxed on BF54x */
+
+#define UART_CLEAR_LSR(p)     bfin_write16(port_membase(p) + OFFSET_LSR, -1)
+#define UART_GET_LSR(p)       bfin_read16(port_membase(p) + OFFSET_LSR)
+#define UART_PUT_LSR(p, v)    bfin_write16(port_membase(p) + OFFSET_LSR, v)
+
+/* This handles hard CTS/RTS */
+#define BFIN_UART_CTSRTS_HARD
+#define UART_CLEAR_SCTS(p)      bfin_write16((port_membase(p) + OFFSET_MSR), SCTS)
+#define UART_GET_CTS(x)         (UART_GET_MSR(x) & CTS)
+#define UART_DISABLE_RTS(x)     UART_PUT_MCR(x, UART_GET_MCR(x) & ~(ARTS | MRTS))
+#define UART_ENABLE_RTS(x)      UART_PUT_MCR(x, UART_GET_MCR(x) | MRTS | ARTS)
+#define UART_ENABLE_INTS(x, v)  UART_SET_IER(x, v)
+#define UART_DISABLE_INTS(x)    UART_CLEAR_IER(x, 0xF)
+
+#else /* BF533 style */
+
+#define UART_CLEAR_IER(p, v)  UART_PUT_IER(p, UART_GET_IER(p) & ~(v))
+#define UART_GET_IER(p)       bfin_read16(port_membase(p) + OFFSET_IER)
+#define UART_PUT_IER(p, v)    bfin_write16(port_membase(p) + OFFSET_IER, v)
+#define UART_SET_IER(p, v)    UART_PUT_IER(p, UART_GET_IER(p) | (v))
+
+#define UART_CLEAR_DLAB(p)    do { UART_PUT_LCR(p, UART_GET_LCR(p) & ~DLAB); SSYNC(); } while (0)
+#define UART_SET_DLAB(p)      do { UART_PUT_LCR(p, UART_GET_LCR(p) | DLAB); SSYNC(); } while (0)
+
+#define get_lsr_cache(uart)    (((struct bfin_serial_port *)(uart))->lsr)
+#define put_lsr_cache(uart, v) (((struct bfin_serial_port *)(uart))->lsr = (v))
+
+/*
+#ifndef put_lsr_cache
+# define put_lsr_cache(p, v)
+#endif
+#ifndef get_lsr_cache
+# define get_lsr_cache(p) 0
+#endif
+*/
+
+/* The hardware clears the LSR bits upon read, so we need to cache
+ * some of the more fun bits in software so they don't get lost
+ * when checking the LSR in other code paths (TX).
+ */
+static inline void UART_CLEAR_LSR(void *p)
+{
+	put_lsr_cache(p, 0);
+	bfin_write16(port_membase(p) + OFFSET_LSR, -1);
+}
+static inline unsigned int UART_GET_LSR(void *p)
+{
+	unsigned int lsr = bfin_read16(port_membase(p) + OFFSET_LSR);
+	put_lsr_cache(p, get_lsr_cache(p) | (lsr & (BI|FE|PE|OE)));
+	return lsr | get_lsr_cache(p);
+}
+static inline void UART_PUT_LSR(void *p, uint16_t val)
+{
+	put_lsr_cache(p, get_lsr_cache(p) & ~val);
+}
+
+/* This handles soft CTS/RTS */
+#define UART_GET_CTS(x)        gpio_get_value((x)->cts_pin)
+#define UART_DISABLE_RTS(x)    gpio_set_value((x)->rts_pin, 1)
+#define UART_ENABLE_RTS(x)     gpio_set_value((x)->rts_pin, 0)
+#define UART_ENABLE_INTS(x, v) UART_PUT_IER(x, v)
+#define UART_DISABLE_INTS(x)   UART_PUT_IER(x, 0)
+
+#endif /* BFIN_UART_BF54X_STYLE */
+
+#endif /* BFIN_UART_BF60X_STYLE */
+
+#ifndef BFIN_UART_TX_FIFO_SIZE
+# define BFIN_UART_TX_FIFO_SIZE 2
+#endif
+
+#endif /* __BFIN_ASM_SERIAL_H__ */