From a02f94d3c84c1a1d970d6dcba2e0f87e9b4d68ed Mon Sep 17 00:00:00 2001
From: erikkaashoek <erik@kaashoek.com>
Date: Thu, 11 Jun 2020 17:35:59 +0200
Subject: [PATCH] Power cycle SI4432 on switch setting

---
 sa_core.c | 8 ++++++--
 si4432.c  | 9 ++++++---
 2 files changed, 12 insertions(+), 5 deletions(-)

diff --git a/sa_core.c b/sa_core.c
index defcdf2..65b4b03 100644
--- a/sa_core.c
+++ b/sa_core.c
@@ -731,15 +731,17 @@ void set_mode(int m)
 
 void apply_settings(void)
 {
+  set_switches(setting.mode);
   if (setting.mode == M_HIGH)
     PE4302_Write_Byte(40);  // Ensure defined input impedance of low port when using high input mode (power calibration)
   else
     PE4302_Write_Byte(setting.attenuate * 2);
+#if 0
   if (setting.modulation == MO_NONE) {
     SI4432_Write_Byte(0x73, 0);  // Back to nominal offset
     SI4432_Write_Byte(0x74, 0);
   }
-  set_switches(setting.mode);
+#endif
   SI4432_SetReference(setting.refer);
   update_rbw();
   if (setting.frequency_step == 0.0) {
@@ -802,9 +804,10 @@ int temppeakIndex;
 void setupSA(void)
 {
   SI4432_Init();
-  SI4432_Sel = 1;
+  SI4432_Sel = 0;
   SI4432_Receive();
 
+  SI4432_Sel = 1;
   SI4432_Transmit(0);
   PE4302_init();
   PE4302_Write_Byte(0);
@@ -855,6 +858,7 @@ void set_AGC_LNA(void) {
 
 void set_switches(int m)
 {
+  SI4432_Init();
 switch(m) {
 case M_LOW:     // Mixed into 0
 #ifdef __ULTRA__
diff --git a/si4432.c b/si4432.c
index e376cf0..a292e87 100644
--- a/si4432.c
+++ b/si4432.c
@@ -26,7 +26,7 @@
 #define CS_SI1_HIGH     palSetPad(GPIOC, GPIO_LO_SEL)
 #define CS_PE_HIGH      palSetPad(GPIOC, GPIO_PE_SEL)
 
-#define RF_POWER_HIGH   palSetPad(GPIOC, GPIO_RF_PWR)
+#define RF_POWER_HIGH   palSetPad(GPIOB, GPIO_RF_PWR)
 
 
 #define CS_SI0_LOW     palClearPad(GPIOC, GPIO_RX_SEL)
@@ -433,8 +433,11 @@ void SI4432_Sub_Init(void)
 void SI4432_Init()
 {
 
-  RF_POWER_HIGH;                // Power the RF part
-  chThdSleepMilliseconds(25);
+  palClearPad(GPIOB, GPIO_RF_PWR);
+  chThdSleepMilliseconds(100);
+  palSetPad(GPIOB, GPIO_RF_PWR);
+  chThdSleepMilliseconds(100);
+
 
   //DebugLine("IO set");
   SI4432_Sel = 0;