Marlowe Noll / MODSERIAL

Delayed LED control using bools to save input values

Fork of MODSERIAL by Erik -

Device/MODSERIAL_PAC_F401RB.h@43:8c46846be166, 2016-09-16 (annotated)

Committer:
JeffreyBrimm
Date:
Fri Sep 16 07:58:33 2016 +0000
Revision:
43:8c46846be166
Parent:
41:d8422efe4761 
first attempt at getc led toggle

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Gary Servin 41:d8422efe4761 1 #if defined(TARGET_PAC_F401RB)
Gary Servin 41:d8422efe4761 2
Gary Servin 41:d8422efe4761 3 #define MODSERIAL_IRQ_REG ((USART_TypeDef*)_base)->CR1
Gary Servin 41:d8422efe4761 4 #define DISABLE_TX_IRQ MODSERIAL_IRQ_REG &= ~USART_CR1_TXEIE
Gary Servin 41:d8422efe4761 5 #define DISABLE_RX_IRQ MODSERIAL_IRQ_REG &= ~USART_CR1_RXNEIE
Gary Servin 41:d8422efe4761 6 #define ENABLE_TX_IRQ MODSERIAL_IRQ_REG |= USART_CR1_TXEIE
Gary Servin 41:d8422efe4761 7 #define ENABLE_RX_IRQ MODSERIAL_IRQ_REG |= USART_CR1_RXNEIE
Gary Servin 41:d8422efe4761 8
Gary Servin 41:d8422efe4761 9 #define MODSERIAL_READ_REG ((USART_TypeDef*)_base)->DR
Gary Servin 41:d8422efe4761 10 #define MODSERIAL_WRITE_REG ((USART_TypeDef*)_base)->DR
Gary Servin 41:d8422efe4761 11 #define MODSERIAL_READABLE ((((USART_TypeDef*)_base)->SR & USART_SR_RXNE) != 0)
Gary Servin 41:d8422efe4761 12 #define MODSERIAL_WRITABLE ((((USART_TypeDef*)_base)->SR & USART_SR_TXE) != 0)
Gary Servin 41:d8422efe4761 13
Gary Servin 41:d8422efe4761 14 #define RESET_TX_FIFO while(0 == 1)
Gary Servin 41:d8422efe4761 15 #define RESET_RX_FIFO while(MODSERIAL_READABLE) char dummy = MODSERIAL_READ_REG
Gary Servin 41:d8422efe4761 16
Gary Servin 41:d8422efe4761 17 #define RX_IRQ_ENABLED ((MODSERIAL_IRQ_REG & USART_CR1_RXNEIE) != 0)
Gary Servin 41:d8422efe4761 18 #define TX_IRQ_ENABLED ((MODSERIAL_IRQ_REG & USART_CR1_TXEIE) != 0)
Gary Servin 41:d8422efe4761 19
Gary Servin 41:d8422efe4761 20 #endif