Diff: Device/MODSERIAL_NUCLEO_L053R8.h

Revision:

46:6571cd7f896e

diff -r da0788f0bd77 -r 6571cd7f896e Device/MODSERIAL_NUCLEO_L053R8.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Device/MODSERIAL_NUCLEO_L053R8.h	Wed Jul 11 08:17:03 2018 +0000
@@ -0,0 +1,20 @@
+#if defined(TARGET_NUCLEO_L053R8)
+
+#define MODSERIAL_IRQ_REG ((USART_TypeDef*)_base)->CR1
+#define DISABLE_TX_IRQ MODSERIAL_IRQ_REG &= ~USART_CR1_TXEIE
+#define DISABLE_RX_IRQ MODSERIAL_IRQ_REG &= ~USART_CR1_RXNEIE
+#define ENABLE_TX_IRQ MODSERIAL_IRQ_REG |= USART_CR1_TXEIE
+#define ENABLE_RX_IRQ MODSERIAL_IRQ_REG |= USART_CR1_RXNEIE
+
+#define MODSERIAL_READ_REG ((USART_TypeDef*)_base)->RDR
+#define MODSERIAL_WRITE_REG ((USART_TypeDef*)_base)->TDR
+#define MODSERIAL_READABLE ((((USART_TypeDef*)_base)->ISR & USART_ISR_RXNE) != 0)
+#define MODSERIAL_WRITABLE ((((USART_TypeDef*)_base)->ISR & USART_ISR_TXE) != 0)
+
+#define RESET_TX_FIFO while(0 == 1)
+#define RESET_RX_FIFO while(MODSERIAL_READABLE) char dummy = MODSERIAL_READ_REG
+
+#define RX_IRQ_ENABLED ((MODSERIAL_IRQ_REG & USART_CR1_RXNEIE) != 0)
+#define TX_IRQ_ENABLED ((MODSERIAL_IRQ_REG & USART_CR1_TXEIE) != 0)
+
+#endif
\ No newline at end of file