Diff: Device/MODSERIAL_PAC_F401RB.h

Revision:

41:d8422efe4761

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Device/MODSERIAL_PAC_F401RB.h	Tue Nov 17 12:11:44 2015 -0300
@@ -0,0 +1,20 @@
+#if defined(TARGET_PAC_F401RB)
+
+#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)->DR
+#define MODSERIAL_WRITE_REG ((USART_TypeDef*)_base)->DR
+#define MODSERIAL_READABLE ((((USART_TypeDef*)_base)->SR & USART_SR_RXNE) != 0)
+#define MODSERIAL_WRITABLE ((((USART_TypeDef*)_base)->SR & USART_SR_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