From 905fc53cf3ddf0dd9674468a2a8f10c92db41d15 Mon Sep 17 00:00:00 2001
From: Daniel Friesel <daniel.friesel@uos.de>
Date: Tue, 4 Jun 2019 13:57:39 +0200
Subject: MSP430FR5994: Fix GPIO und SPI_B drivers

---
 src/arch/msp430fr5994lp/driver/spi_b.cc | 56 ++++++++++++++++-----------------
 1 file changed, 28 insertions(+), 28 deletions(-)

(limited to 'src')

diff --git a/src/arch/msp430fr5994lp/driver/spi_b.cc b/src/arch/msp430fr5994lp/driver/spi_b.cc
index 0fa71da..8624a40 100644
--- a/src/arch/msp430fr5994lp/driver/spi_b.cc
+++ b/src/arch/msp430fr5994lp/driver/spi_b.cc
@@ -7,33 +7,33 @@
 
 void SPI::setup()
 {
-	UCB0CTLW0 |= UCSWRST;
+	UCB1CTLW0 |= UCSWRST;
 
-	/* UCB0CLK Pin 2.2 */
-	P2SEL0 &= ~BIT2;
-	P2SEL1 |= BIT2;
-	P2DIR |= BIT2;
+	/* UCB1CLK Pin 5.2 */
+	P5SEL1 &= ~BIT2;
+	P5SEL0 |= BIT2;
+	P5DIR |= BIT2;
 
-	/* UCB0SIMO Pin 1.6 */
-	P1SEL0 &= ~BIT6;
-	P1SEL1 |= BIT6;
-	P1DIR |= BIT6;
+	/* UCB1SIMO Pin 5.0 */
+	P5SEL1 &= ~BIT0;
+	P5SEL0 |= BIT0;
+	P5DIR |= BIT0;
 
-	/* UCB0SOMI Pin 1.7 */
-	P1SEL0 &= ~BIT7;
-	P1SEL1 |= BIT7;
-	P1DIR &= ~BIT7;
+	/* UCB1SOMI Pin 5.1 */
+	P5SEL1 &= ~BIT1;
+	P5SEL0 |= BIT1;
+	P5DIR &= ~BIT1;
 	//P1REN |= BIT6;
 
-	UCB0CTLW0 = UCCKPH | UCMSB | UCMST | UCSYNC | UCMODE_0 | UCSSEL__SMCLK | UCSWRST;
-	UCB0BRW = (F_CPU/F_I2C)-1; // /16 -> 1MHz
-	// UCB0BRW = (F_CPU / F_I2C) - 1
-	UCB0CTLW0 &= ~UCSWRST;
+	UCB1CTLW0 = UCCKPH | UCMSB | UCMST | UCSYNC | UCMODE_0 | UCSSEL__SMCLK | UCSWRST;
+	UCB1BRW = (F_CPU/F_I2C)-1; // /16 -> 1MHz
+	// UCB1BRW = (F_CPU / F_I2C) - 1
+	UCB1CTLW0 &= ~UCSWRST;
 }
 
 static inline unsigned char clean_rxbuf()
 {
-	return UCB0RXBUF;
+	return UCB1RXBUF;
 }
 
 signed char SPI::xmit(unsigned char tx_len, unsigned char *tx_buf,
@@ -43,32 +43,32 @@ signed char SPI::xmit(unsigned char tx_len, unsigned char *tx_buf,
 		return -1;
 	}
 
-	while (UCB0STATW & UCBUSY) ;
+	while (UCB1STATW & UCBUSY) ;
 
-	if (!(UCB0IFG & UCTXIFG)) {
+	if (!(UCB1IFG & UCTXIFG)) {
 		return -1;
 	}
 
-	UCB0IFG &= ~UCRXIFG;
-	UCB0TXBUF = tx_buf[0];
+	UCB1IFG &= ~UCRXIFG;
+	UCB1TXBUF = tx_buf[0];
 
 	unsigned char tx_pos = 1;
 	unsigned char rx_pos = 0;
 
 	while (tx_pos < tx_len || rx_pos < rx_len) {
-		if ((tx_pos < tx_len) && (UCB0IFG & UCTXIFG)) {
-			UCB0TXBUF = tx_buf[tx_pos++];
+		if ((tx_pos < tx_len) && (UCB1IFG & UCTXIFG)) {
+			UCB1TXBUF = tx_buf[tx_pos++];
 		}
-		if (UCB0IFG & UCRXIFG) {
+		if (UCB1IFG & UCRXIFG) {
 			if (rx_pos < rx_len) {
-				rx_buf[rx_pos] = UCB0RXBUF;
+				rx_buf[rx_pos] = UCB1RXBUF;
 			} else {
-				UCB0IFG &= ~UCRXIFG;
+				UCB1IFG &= ~UCRXIFG;
 			}
 			rx_pos++;
 		}
 	}
-	while (UCB0STATW & UCBUSY) ;
+	while (UCB1STATW & UCBUSY) ;
 	return 0;
 }
 
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