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-rw-r--r--cpu/arm920t/at91rm9200/i2c.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/cpu/arm920t/at91rm9200/i2c.c b/cpu/arm920t/at91rm9200/i2c.c
index 2565998..826cea8 100644
--- a/cpu/arm920t/at91rm9200/i2c.c
+++ b/cpu/arm920t/at91rm9200/i2c.c
@@ -111,7 +111,7 @@ at91_xfer(unsigned char chip, unsigned int addr, int alen,
int
i2c_probe(unsigned char chip)
{
- char buffer[1];
+ unsigned char buffer[1];
return at91_xfer(chip, 0, 0, buffer, 1, 1);
}
@@ -191,7 +191,7 @@ i2c_init(int speed, int slaveaddr)
uchar i2c_reg_read(uchar i2c_addr, uchar reg)
{
- char buf;
+ unsigned char buf;
i2c_read(i2c_addr, reg, 1, &buf, 1);