From 694181df92ffc43f4e82fecba4c8f1313cc26b17 Mon Sep 17 00:00:00 2001
From: Silvano Seva <silseva@fastwebnet.it>
Date: Wed, 14 Jun 2023 21:50:12 +0200
Subject: [PATCH] Module17: implemented detection of hardware version

---
 platform/drivers/ADC/ADC1_Mod17.c    |  2 +-
 platform/drivers/ADC/ADC1_Mod17.h    |  2 +-
 platform/targets/Module17/hwconfig.h |  2 +-
 platform/targets/Module17/platform.c | 20 +++++++++++++++++---
 4 files changed, 20 insertions(+), 6 deletions(-)

diff --git a/platform/drivers/ADC/ADC1_Mod17.c b/platform/drivers/ADC/ADC1_Mod17.c
index 44ca733d..59cce6a9 100644
--- a/platform/drivers/ADC/ADC1_Mod17.c
+++ b/platform/drivers/ADC/ADC1_Mod17.c
@@ -34,7 +34,7 @@ void adc1_init()
     /*
      * Configure GPIOs to analog input mode:
      */
-    gpio_setMode(AIN_VBAT,   INPUT_ANALOG);
+    gpio_setMode(AIN_HWVER, INPUT_ANALOG);
 
     /*
      * ADC clock is APB2 frequency divided by 8, giving 10.5MHz.
diff --git a/platform/drivers/ADC/ADC1_Mod17.h b/platform/drivers/ADC/ADC1_Mod17.h
index 61f05e31..1f034bac 100644
--- a/platform/drivers/ADC/ADC1_Mod17.h
+++ b/platform/drivers/ADC/ADC1_Mod17.h
@@ -33,7 +33,7 @@ extern "C" {
 
 enum adcCh
 {
-    ADC_VBAT_CH  = 3,
+    ADC_HWVER_CH = 3,
 };
 
 /**
diff --git a/platform/targets/Module17/hwconfig.h b/platform/targets/Module17/hwconfig.h
index 642cf88f..1fc4b130 100644
--- a/platform/targets/Module17/hwconfig.h
+++ b/platform/targets/Module17/hwconfig.h
@@ -72,7 +72,7 @@
 #define MIC_MUTE    GPIOC,4
 #define MIC_GAIN    GPIOC,5
 
-#define AIN_VBAT   GPIOA,3
+#define AIN_HWVER   GPIOA,3
 
 /* I2C for MCP4551 */
 #define I2C_SDA GPIOB,7
diff --git a/platform/targets/Module17/platform.c b/platform/targets/Module17/platform.c
index e9c11b7e..28988597 100644
--- a/platform/targets/Module17/platform.c
+++ b/platform/targets/Module17/platform.c
@@ -32,7 +32,8 @@
 #include <calibInfo_Mod17.h>
 #include <MCP4551.h>
 
-mod17Calib_t mod17CalData;
+mod17Calib_t    mod17CalData;
+static hwInfo_t hwInfo;
 
 void platform_init()
 {
@@ -64,6 +65,19 @@ void platform_init()
     mod17CalData.tx_invert = 0;
     mod17CalData.rx_invert = 0;
     mod17CalData.mic_gain  = 0;
+
+    /* Init hardware info data. */
+    memset(&hwInfo, 0x00, sizeof(hwInfo));
+    memcpy(hwInfo.name, "Module17", 8);
+
+    /*
+     * Hardware version is set using a voltage divider on PA3.
+     * - 0V:   rev. 0.1d or lower
+     * - 2.6V: rev 0.1e
+     */
+    uint16_t ver = adc1_getMeasurement(ADC_HWVER_CH);
+    if(ver >= 2500)
+        hwInfo.hw_version = 1;
 }
 
 void platform_terminate()
@@ -80,7 +94,7 @@ void platform_terminate()
 
 uint16_t platform_getVbat()
 {
-   return adc1_getMeasurement(ADC_VBAT_CH)*5;
+   return 0;
 }
 
 uint8_t platform_getMicLevel()
@@ -169,7 +183,7 @@ const void *platform_getCalibrationData()
 
 const hwInfo_t *platform_getHwInfo()
 {
-    return NULL;
+    return &hwInfo;
 }
 
 void platform_setBacklightLevel(uint8_t level)