Add basic system: LED GPIO on MSP430FR5969 Launchpad and faked GPIO on POSIX

1 files changed, 43 insertions, 0 deletions

diff --git a/src/arch/msp430fr5969lp/driver/gpio.cc b/src/arch/msp430fr5969lp/driver/gpio.cc
new file mode 100644
index 0000000..e1179af
--- /dev/null
+++ b/src/arch/msp430fr5969lp/driver/gpio.cc
@@ -0,0 +1,43 @@
+#include "driver/gpio.h"
+#include <msp430.h>
+
+void GPIO::setup()
+{
+	P1OUT = 0;
+	P2OUT = 0;
+	P3OUT = 0;
+	P4OUT = 0;
+	P1DIR = BIT0;
+	P2DIR = 0;
+	P3DIR = 0;
+	P4DIR = BIT6;
+}
+
+void GPIO::led_on(unsigned char id)
+{
+	if (id == 0) {
+		P1OUT |= BIT0;
+	} else {
+		P4OUT |= BIT6;
+	}
+}
+
+void GPIO::led_off(unsigned char id)
+{
+	if (id == 0) {
+		P1OUT &= ~BIT0;
+	} else {
+		P4OUT &= ~BIT6;
+	}
+}
+
+void GPIO::led_toggle(unsigned char id)
+{
+	if (id == 0) {
+		P1OUT ^= BIT0;
+	} else {
+		P4OUT ^= BIT6;
+	}
+}
+
+GPIO gpio;