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authorbarthess <barthess@35acf78f-673a-0410-8e92-d51de3d6d3f4>2011-04-01 18:23:35 +0000
committerbarthess <barthess@35acf78f-673a-0410-8e92-d51de3d6d3f4>2011-04-01 18:23:35 +0000
commit573b5e875bd8431963fc3a40885020f7e3310640 (patch)
tree5f00d47a5840d93863b1c0e012726ef49ec9d0d7 /testhal/STM32/I2C/i2c_pns.c
parent7a694b4402e8d47ef0fdc651492ee09084ebcad0 (diff)
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I2C. Usage example added.
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/branches/i2c_dev@2864 35acf78f-673a-0410-8e92-d51de3d6d3f4
Diffstat (limited to 'testhal/STM32/I2C/i2c_pns.c')
-rw-r--r--testhal/STM32/I2C/i2c_pns.c61
1 files changed, 61 insertions, 0 deletions
diff --git a/testhal/STM32/I2C/i2c_pns.c b/testhal/STM32/I2C/i2c_pns.c
new file mode 100644
index 000000000..11982d0a7
--- /dev/null
+++ b/testhal/STM32/I2C/i2c_pns.c
@@ -0,0 +1,61 @@
+#include "ch.h"
+#include "hal.h"
+
+#include "i2c_pns.h"
+
+#include "lis3.h"
+#include "tmp75.h"
+#include "max1236.h"
+
+/* I2C1 */
+static I2CConfig i2cfg1 = {
+ opmodeI2C,
+ 100000,
+ stdDutyCycle,
+ 0,
+ 0,
+};
+
+/* I2C2 */
+static I2CConfig i2cfg2 = {
+ opmodeI2C,
+ 100000,
+ stdDutyCycle,
+ 0,
+ 0,
+};
+
+
+
+void I2CInit_pns(void){
+
+ i2cInit();
+
+ i2cStart(&I2CD1, &i2cfg1);
+ while(I2CD1.id_state != I2C_READY){ // wait ready status
+ chThdSleepMilliseconds(1);
+ }
+
+ i2cStart(&I2CD2, &i2cfg2);
+ while(I2CD2.id_state != I2C_READY){ // wait ready status
+ chThdSleepMilliseconds(1);
+ }
+
+ /* tune ports for I2C1*/
+ palSetPadMode(IOPORT2, 6, PAL_MODE_STM32_ALTERNATE_OPENDRAIN);
+ palSetPadMode(IOPORT2, 7, PAL_MODE_STM32_ALTERNATE_OPENDRAIN);
+
+ /* tune ports for I2C2*/
+ palSetPadMode(IOPORT2, 10, PAL_MODE_STM32_ALTERNATE_OPENDRAIN);
+ palSetPadMode(IOPORT2, 11, PAL_MODE_STM32_ALTERNATE_OPENDRAIN);
+
+
+ /* startups. Pauses added just to be safe */
+ init_max1236();
+ chThdSleepMilliseconds(100);
+
+ init_lis3();
+ chThdSleepMilliseconds(100);
+}
+
+