diff --git a/Lib/mk20dx128.h b/Lib/mk20dx128.h index e974a15..7ab6773 100644 --- a/Lib/mk20dx128.h +++ b/Lib/mk20dx128.h @@ -1085,6 +1085,7 @@ extern "C" { #define UART_S1_PF (uint8_t)0x01 // Parity Error Flag #define UART0_S2 *(volatile uint8_t *)0x4006A005 // UART Status Register 2 #define UART_S2_RXINV (uint8_t)0x10 // RX Line Inversion Enable +#define UART_S2_MSBF (uint8_t)0x20 // MSBF Format Enabled #define UART0_C3 *(volatile uint8_t *)0x4006A006 // UART Control Register 3 #define UART_S2_TXINV (uint8_t)0x10 // TX Line Inversion Enable #define UART0_D *(volatile uint8_t *)0x4006A007 // UART Data Register diff --git a/Scan/MBC-55X/scan_loop.c b/Scan/MBC-55X/scan_loop.c index d476bce..f0cf245 100644 --- a/Scan/MBC-55X/scan_loop.c +++ b/Scan/MBC-55X/scan_loop.c @@ -148,7 +148,7 @@ inline void scan_setup() UART0_BDL = (uint8_t)baud; // 8 bit, Even Parity, Idle Character bit after stop - UART0_C1 = ~UART_C1_M | UART_C1_PE | ~UART_C1_PT | UART_C1_ILT; + UART0_C1 = ~UART_C1_M | ~UART_C1_PE | UART_C1_PT | UART_C1_ILT; // Number of bytes in FIFO before TX Interrupt UART0_TWFIFO = 1; @@ -163,15 +163,15 @@ inline void scan_setup() // 0x2 - 8 dataword UART0_PFIFO = ~UART_PFIFO_TXFE | /*TXFIFOSIZE*/ (0x0 << 4) | ~UART_PFIFO_RXFE | /*RXFIFOSIZE*/ (0x0); - // TX Disabled, RX Enabled, RX Interrupt Enabled - UART0_C2 = UART_C2_TE | UART_C2_RE | UART_C2_RIE; - - // Reciever Inversion Disabled - UART0_S2 = ~UART_S2_RXINV; + // Reciever Inversion Disabled, LSBF + UART0_S2 = ~UART_S2_RXINV | UART_S2_MSBF; // Transmit Inversion Disabled UART0_C3 = ~UART_S2_TXINV; + // TX Disabled, RX Enabled, RX Interrupt Enabled + UART0_C2 = UART_C2_TE | UART_C2_RE | UART_C2_RIE; + // Add interrupt to the vector table NVIC_ENABLE_IRQ( IRQ_UART0_STATUS ); @@ -185,6 +185,7 @@ inline void scan_setup() inline uint8_t scan_loop() { UART0_D = 0x56; + UART0_D = 0x1C; _delay_ms( 100 ); return 0; }