From c374e91391d3e58295375f439b15fe888bcdb3bd Mon Sep 17 00:00:00 2001
From: Daniel Friesel <derf@finalrewind.org>
Date: Mon, 15 Jan 2018 09:55:27 +0100
Subject: [PATCH] msp430 i2c: clear TXIFG after sending the last byte
---
src/arch/msp430fr5969lp/driver/i2c.cc | 1 +
1 file changed, 1 insertion(+)
diff --git a/src/arch/msp430fr5969lp/driver/i2c.cc b/src/arch/msp430fr5969lp/driver/i2c.cc
index 80f33b0..5f1f4c1 100644
--- a/src/arch/msp430fr5969lp/driver/i2c.cc
+++ b/src/arch/msp430fr5969lp/driver/i2c.cc
@@ -57,6 +57,7 @@ signed char I2C::xmit(unsigned char address,
UCB0TXBUF = tx_buf[i];
}
while (!(UCB0IFG & (UCTXIFG0 | UCNACKIFG | UCCLTOIFG)));
+ UCB0IFG &= ~(UCTXIFG0 | UCNACKIFG);
//if (UCB0IFG & (UCNACKIFG | UCCLTOIFG)) {
// UCB0IFG &= ~UCNACKIFG;
// UCB0IFG &= ~UCCLTOIFG;
--
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