Adding cc1101_power_down() to CC1101 driver

diff --git a/extdrv/cc1101.c b/extdrv/cc1101.c
index 3dd40c6..9649da8 100644 (file)
--- a/extdrv/cc1101.c
+++ b/extdrv/cc1101.c
@@ -389,6 +389,18 @@ void cc1101_set_channel(uint8_t chan)
        cc1101_write_reg(CC1101_REGS(channel_number), chan);
 }
 
+/* Enter power down mode
+ * Power down mode is exited by setting the chip select pin low (any access to the CC1101 will do so)
+ */
+void cc1101_power_down(void)
+{
+       cc1101_send_cmd(CC1101_CMD(state_idle));
+       msleep(1);
+       cc1101_send_cmd(CC1101_CMD(crystal_off));
+       msleep(1);
+       cc1101_send_cmd(CC1101_CMD(state_power_down));
+}
+
 /* Change a configuration byte.
  * This function places the CC1101 chip in idle state.
  */

diff --git a/include/extdrv/cc1101.h b/include/extdrv/cc1101.h
index 3a50a13..39bb688 100644 (file)
--- a/include/extdrv/cc1101.h
+++ b/include/extdrv/cc1101.h
@@ -267,6 +267,11 @@ void cc1101_set_address(uint8_t address);
  */
 void cc1101_set_channel(uint8_t chan);
 
+/* Enter power down mode
+ * Power down mode is exited by setting the chip select pin low (any access to the CC1101 will do so)
+ */
+void cc1101_power_down(void);
+
 /* Change a configuration byte.
  * This function places the CC1101 chip in idle state.
  */