fix multibyte reads (was polling wrong status value)

mazgch · mazgch · commit 94ac072267cc · 2014-05-07T13:39:27.000+02:00
diff --git a/libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC15XX/i2c_api.c b/libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC15XX/i2c_api.c
@@ -138,7 +138,7 @@ int i2c_read(i2c_t *obj, int address, char *data, int length, int stop) {
         LPC_I2C0->MSTCTL = (1 << 0);
         data[count] = (LPC_I2C0->MSTDAT & 0xFF);
         status = ((LPC_I2C0->STAT >> 1) & (0x07));
-        if (status != 0x00) {
+        if (status != 0x01) {
             i2c_stop(obj);
             return count;
         }

Original file line number	Diff line number	Diff line change
`@@ -138,7 +138,7 @@ int i2c_read(i2c_t obj, int address, char data, int length, int stop) {`
`138`	`138`	`LPC_I2C0->MSTCTL = (1 << 0);`
`139`	`139`	`data[count] = (LPC_I2C0->MSTDAT & 0xFF);`
`140`	`140`	`status = ((LPC_I2C0->STAT >> 1) & (0x07));`
`141`		`- if (status != 0x00) {`
	`141`	`+ if (status != 0x01) {`
`142`	`142`	`i2c_stop(obj);`
`143`	`143`	`return count;`
`144`	`144`	`}`