ESTOP TEST

README.md

@@ -0,0 +1,15 @@
+# sw-power
+Software for the power board
+##Programmation du SAMD20E
+
+--[I2C] 
+
+    Micro en slave, PI en master, programmation des commandes de communication avec priorité
+    Communication avec la batterie Mavic DJI
+    https://github.com/czipis/mavic-mini-battery-info/blob/master/mavic-mini-battery-info.ino
+
+--[Interface]
+
+    Programmation d'une interface en python 
+    ou
+    LVGL (techno à voir avec Kevin Jordil)

crh-power/atmel_start_pins.h

@@ -27,6 +27,7 @@
 #define USER2 GPIO(GPIO_PORTA, 5)
 #define PA08 GPIO(GPIO_PORTA, 8)
 #define PA09 GPIO(GPIO_PORTA, 9)
+#define eSTOP GPIO(GPIO_PORTA, 10)
 #define nALERT GPIO(GPIO_PORTA, 11)
 #define I2C_PW_FAULT GPIO(GPIO_PORTA, 14)
 #define I2C_PW_EN GPIO(GPIO_PORTA, 15)

crh-power/crh-power.cproj

@@ -26,7 +26,7 @@
     <OverrideVtorValue>exception_table</OverrideVtorValue>
     <BootSegment>2</BootSegment>
     <ResetRule>0</ResetRule>
-    <eraseonlaunchrule>0</eraseonlaunchrule>
+    <eraseonlaunchrule>1</eraseonlaunchrule>
     <EraseKey />
     <AsfFrameworkConfig>
       <framework-data xmlns="">
@@ -177,6 +177,17 @@
       <ToolName>Atmel-ICE</ToolName>
     </com_atmel_avrdbg_tool_atmelice>
     <avrtoolinterfaceclock>2000000</avrtoolinterfaceclock>
+    <custom>
+      <ToolOptions xmlns="">
+        <InterfaceProperties>
+        </InterfaceProperties>
+        <InterfaceName>SWD</InterfaceName>
+      </ToolOptions>
+      <ToolType xmlns="">custom</ToolType>
+      <ToolNumber xmlns="">
+      </ToolNumber>
+      <ToolName xmlns="">Custom Programming Tool</ToolName>
+    </custom>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)' == 'Release' ">
     <ToolchainSettings>

crh-power/driver_init.c

@@ -156,7 +156,20 @@ void system_init(void)
 	gpio_set_pin_direction(USER2, GPIO_DIRECTION_OUT);
 
 	gpio_set_pin_function(USER2, GPIO_PIN_FUNCTION_OFF);
-
+// GPIO on PA10
+
+// Set pin direction to input
+gpio_set_pin_direction(eSTOP, GPIO_DIRECTION_IN);
+
+gpio_set_pin_pull_mode(eSTOP,
+// <y> Pull configuration
+// <id> pad_pull_config
+// <GPIO_PULL_OFF"> Off
+// <GPIO_PULL_UP"> Pull-up
+// <GPIO_PULL_DOWN"> Pull-down
+GPIO_PULL_UP);
+
+gpio_set_pin_function(eSTOP, GPIO_PIN_FUNCTION_OFF);
 	// GPIO on PA11
 
 	// Set pin direction to input

crh-power/main.c

@@ -2,29 +2,79 @@
 
 #include "examples/driver_examples.h"
 
-
+#define DATALENGTH 32
 
 int main(void)
 {
 	/* Initializes MCU, drivers and middleware */
 	atmel_start_init();
-	
-	//io_read_t(0xAD);
+
+	// io_read_t(0xAD);
 	TIMER_0_example();
 	gpio_set_pin_level(EN_5V, true);
 	gpio_set_pin_level(EN_12V, true);
-	gpio_set_pin_level(ENABLE_5V_POWER, true);
+	gpio_set_pin_level(ENABLE_5V_POWER, true);
 	gpio_set_pin_level(ENABLE_VBAT_POWER, true);
-	
-	I2C_0_init();
-	I2C_0_example();
-	I2C_1_init();
-	I2C_1_example();
-
-
-
-	
+
+	I2C_0_init();
+	I2C_0_example();
+	i2c_s_async_enable(&I2C_0);
+
+	I2C_1_init();
+	I2C_1_example();
+	i2c_s_async_enable(&I2C_1);
+
 	/* Replace with your application code */
-	while (1) {
+
+	// sending smth to pi via i2c, if pi doesn't respond, shut it off
+	while (1)
+	{
+		// battery voltage
+		/*if (_i2c_s_sync_read_byte(&I2C_0) == 0x03) // only for testing -> later modify to look
+		{
+			
+			_i2c_s_async_write_byte(&I2C_0, 0xAD);
+			gpio_set_pin_level(EN_5V,false);
+			// if (!_i2c_s_async_write_byte(I2C_1, 0x00)) // I2C_1
+			// {
+
+			// 	gpio_set_pin_level(EN_5V, false);
+			// }
+			// else if (!gpio_get_pin_level(EN_5V))
+			// {
+
+			// 	gpio_set_pin_level(EN_5V, true);
+			// }
+		}*/
+		if (!gpio_get_pin_level(eSTOP))
+		{
+
+			gpio_set_pin_level(ENABLE_5V_POWER, false);
+			gpio_set_pin_level(ENABLE_VBAT_POWER, false);
+
+			//write to PI via I2C to shut down Techno soft
+		}  
+			/*if (_i2c_s_sync_read_byte(&I2C_1) == 0x01) // only for testing -> later modify to look
+			{
+				gpio_set_pin_level(EN_5V, false);
+				// if (!_i2c_s_async_write_byte(I2C_1, 0x00)) // I2C_1
+				// {
+
+				// 	gpio_set_pin_level(EN_5V, false);
+				// }
+				// else if (!gpio_get_pin_level(EN_5V))
+				// {
+
+				// 	gpio_set_pin_level(EN_5V, true);
+				// }
+			}
+		
+	}
+	// reading voltage/current outputs + flags and errors from LTC via i2c
+
+	// reading battery capacity and voltage/current output
+	// 0x0F - remaining capacity
+	// 0x10 - full capacity
+	// battery percentage = (remaining capacity / full capacity) * 100*/
 	}
 }