Add preliminary safety ADC which measures the Controller temperature and checks the reference voltage against the STM's internal reference voltage

stm-firmware/shell.c

@@ -35,6 +35,7 @@
 #include <fatfs/ff.h>
 #include <reflow-controller/stack-check.h>
 #include <reflow-controller/rotary-encoder.h>
+#include <reflow-controller/safety-adc.h>
 
 #ifndef GIT_VER
 #define GIT_VER "VERSION NOT SET"
@@ -342,6 +343,18 @@ static shellmatta_retCode_t shell_cmd_cat(const shellmatta_handle_t handle, cons
 	return SHELLMATTA_OK;
 }
 
+static shellmatta_retCode_t shell_cmd_safety_adc(const shellmatta_handle_t handle, const char *arguments,
+					  uint32_t length)
+{
+	(void)length;
+	(void)arguments;
+
+	shellmatta_printf(handle, "VREF:\t%8.2f\tmV\r\n", safety_adc_get_vref());
+	shellmatta_printf(handle, "TEMP:\t%8.2f\tdeg. Celsius\r\n", safety_adc_get_temp());
+
+	return SHELLMATTA_OK;
+}
+
 //typedef struct shellmatta_cmd
 //{
 //    char                    *cmd;       /**< command name                           */
@@ -352,7 +365,7 @@ static shellmatta_retCode_t shell_cmd_cat(const shellmatta_handle_t handle, cons
 //    struct shellmatta_cmd   *next;      /**< pointer to next command or NULL        */
 //} shellmatta_cmd_t;
 
-static shellmatta_cmd_t cmd[13] = {
+static shellmatta_cmd_t cmd[14] = {
 	{
 		.cmd = "version",
 		.cmdAlias = "ver",
@@ -455,8 +468,16 @@ static shellmatta_cmd_t cmd[13] = {
 		.helpText = "Print file contents",
 		.usageText = "cat <path>",
 		.cmdFct = shell_cmd_cat,
+		.next = &cmd[13],
+	},
+	{
+		.cmd = "safety-adc",
+		.cmdAlias = NULL,
+		.helpText = "",
+		.usageText = "",
+		.cmdFct = shell_cmd_safety_adc,
 		.next = NULL,
-	}
+	},
 
 };