1 files changed, 65 insertions, 0 deletions
diff --git a/api/i2c_driver.c b/api/i2c_driver.c
new file mode 100644
index 0000000..5c5460d
--- /dev/null
+++ b/api/i2c_driver.c
@@ -0,0 +1,65 @@
+//---------------------------------------------------------------------------
+#include "xc4000_control.h"
+#include "i2c_driver.h"
+#include "type.h"
+#include "error.h"
+#include "user.h"
+#include "register.h"
+#include "standard.h"
+//---------------------------------------------------------------------------
+Demodulator* XC4000Handle = NULL;
+Byte XC4000Chip = 0;
+
+/* *************************************************************** */
+/* *************************************************************** */
+/*                                                                 */
+/*       FOLLOWING FUNCTIONS TO BE IMPLEMENTED BY CUSTOMER         */
+/*                                                                 */
+/* *************************************************************** */
+/* *************************************************************** */
+
+// user must replace the following routines with their own i2c driver
+// return XC_RESULT_SUCCESS if i2c data is send correctly,
+// return XC_RESULT_I2C_WRITE_FAILURE when error occur.
+int xc_send_i2c_data(unsigned char *bytes_to_send, int nb_bytes_to_send)
+{
+    Dword error = Error_NO_ERROR;
+
+    error = Standard_writeTunerRegisters (XC4000Handle, XC4000Chip, 0x0000, nb_bytes_to_send, bytes_to_send);
+    return (error);
+}
+
+int xc_read_i2c_data(unsigned char *bytes_received, int nb_bytes_to_receive)
+{
+    Dword error = Error_NO_ERROR;
+   
+    error = Standard_readTunerRegisters (XC4000Handle, XC4000Chip, 0x0000, nb_bytes_to_receive, bytes_received);
+    return (error);
+}
+
+int xc_reset()
+{
+    Dword error = Error_NO_ERROR;
+
+    error = Standard_writeRegisterBits (XC4000Handle, XC4000Chip, Processor_LINK, p_reg_top_gpiot2_o, reg_top_gpiot2_o_pos, reg_top_gpiot2_o_len, 0);
+    if (error) goto exit;
+	
+    error = Standard_writeRegisterBits (XC4000Handle, XC4000Chip, Processor_LINK, p_reg_top_gpiot2_en, reg_top_gpiot2_en_pos, reg_top_gpiot2_en_len, 1);
+    if (error) goto exit;
+	
+    error = Standard_writeRegisterBits (XC4000Handle, XC4000Chip, Processor_LINK, p_reg_top_gpiot2_on, reg_top_gpiot2_on_pos, reg_top_gpiot2_on_len, 1);
+    if (error) goto exit;
+
+    User_delay (XC4000Handle, 250);
+
+    error = Standard_writeRegisterBits (XC4000Handle, XC4000Chip, Processor_LINK, p_reg_top_gpiot2_o, reg_top_gpiot2_o_pos, reg_top_gpiot2_o_len, 1);
+    if (error) goto exit;
+
+exit:
+    return (error);
+}
+
+void xc_wait(int wait_ms)
+{
+    User_delay (XC4000Handle, (Dword)wait_ms);
+}