added voltage and temperature diagnostic

docker_build.sh

@@ -1,6 +1,6 @@
 #!/bin/bash
 
-BUILDER_IMAGE="ghcr.io/polprzewodnikowy/sc64env:v1.8"
+BUILDER_IMAGE="ghcr.io/polprzewodnikowy/sc64env:v1.9"
 
 pushd $(dirname $0) > /dev/null
 

docs/02_n64_commands.md

@@ -4,27 +4,28 @@
 
 ## N64 commands
 
-| id  | name                  | arg0           | arg1         | rsp0             | rsp1           | description                                                |
+| id  | name                  | arg0          | arg1         | rsp0             | rsp1           | description                                                |
-| --- | --------------------- | -------------- | ------------ | ---------------- | -------------- | ---------------------------------------------------------- |
+| --- | --------------------- | ------------- | ------------ | ---------------- | -------------- | ---------------------------------------------------------- |
-| `v` | **IDENTIFIER_GET**    | ---            | ---          | identifier       | ---            | Get flashcart identifier `SCv2`                            |
+| `v` | **IDENTIFIER_GET**    | ---           | ---          | identifier       | ---            | Get flashcart identifier `SCv2`                            |
-| `V` | **VERSION_GET**       | ---            | ---          | major/minor      | revision       | Get flashcart firmware version                             |
+| `V` | **VERSION_GET**       | ---           | ---          | major/minor      | revision       | Get flashcart firmware version                             |
-| `c` | **CONFIG_GET**        | config_id      | ---          | ---              | current_value  | Get config option                                          |
+| `c` | **CONFIG_GET**        | config_id     | ---          | ---              | current_value  | Get config option                                          |
-| `C` | **CONFIG_SET**        | config_id      | new_value    | ---              | previous_value | Set config option and get previous value                   |
+| `C` | **CONFIG_SET**        | config_id     | new_value    | ---              | previous_value | Set config option and get previous value                   |
-| `a` | **SETTING_GET**       | setting_id     | ---          | ---              | current_value  | Get persistent setting option                              |
+| `a` | **SETTING_GET**       | setting_id    | ---          | ---              | current_value  | Get persistent setting option                              |
-| `A` | **SETTING_SET**       | setting_id     | new_value    | ---              | ---            | Set persistent setting option                              |
+| `A` | **SETTING_SET**       | setting_id    | new_value    | ---              | ---            | Set persistent setting option                              |
-| `t` | **TIME_GET**          | ---            | ---          | time_0           | time_1         | Get current RTC value                                      |
+| `t` | **TIME_GET**          | ---           | ---          | time_0           | time_1         | Get current RTC value                                      |
-| `T` | **TIME_SET**          | time_0         | time_1       | ---              | ---            | Set new RTC value                                          |
+| `T` | **TIME_SET**          | time_0        | time_1       | ---              | ---            | Set new RTC value                                          |
-| `m` | **USB_READ**          | pi_address     | length       | ---              | ---            | Receive data from USB to flashcart                         |
+| `m` | **USB_READ**          | pi_address    | length       | ---              | ---            | Receive data from USB to flashcart                         |
-| `M` | **USB_WRITE**         | pi_address     | length/type  | ---              | ---            | Send data from from flashcart to USB                       |
+| `M` | **USB_WRITE**         | pi_address    | length/type  | ---              | ---            | Send data from from flashcart to USB                       |
-| `u` | **USB_READ_STATUS**   | ---            | ---          | read_status/type | length         | Get USB read status and type/length                        |
+| `u` | **USB_READ_STATUS**   | ---           | ---          | read_status/type | length         | Get USB read status and type/length                        |
-| `U` | **USB_WRITE_STATUS**  | ---            | ---          | write_status     | ---            | Get USB write status                                       |
+| `U` | **USB_WRITE_STATUS**  | ---           | ---          | write_status     | ---            | Get USB write status                                       |
-| `i` | **SD_CARD_OP**        | pi_address     | operation    | ---              | return_data    | Perform special operation on SD card                       |
+| `i` | **SD_CARD_OP**        | pi_address    | operation    | ---              | return_data    | Perform special operation on SD card                       |
-| `I` | **SD_SECTOR_SET**     | sector         | ---          | ---              | ---            | Set starting sector for next SD card R/W operation         |
+| `I` | **SD_SECTOR_SET**     | sector        | ---          | ---              | ---            | Set starting sector for next SD card R/W operation         |
-| `s` | **SD_READ**           | pi_address     | sector_count | ---              | ---            | Read sectors from SD card to flashcart                     |
+| `s` | **SD_READ**           | pi_address    | sector_count | ---              | ---            | Read sectors from SD card to flashcart                     |
-| `S` | **SD_WRITE**          | pi_address     | sector_count | ---              | ---            | Write sectors from flashcart to SD card                    |
+| `S` | **SD_WRITE**          | pi_address    | sector_count | ---              | ---            | Write sectors from flashcart to SD card                    |
-| `D` | **DISK_MAPPING_SET**  | pi_address     | table_size   | ---              | ---            | Set 64DD disk mapping for SD mode                          |
+| `D` | **DISK_MAPPING_SET**  | pi_address    | table_size   | ---              | ---            | Set 64DD disk mapping for SD mode                          |
-| `w` | **WRITEBACK_PENDING** | ---            | ---          | pending_status   | ---            | Get save writeback status (is write queued to the SD card) |
+| `w` | **WRITEBACK_PENDING** | ---           | ---          | pending_status   | ---            | Get save writeback status (is write queued to the SD card) |
-| `W` | **WRITEBACK_SD_INFO** | pi_address     | ---          | ---              | ---            | Load writeback SD sector table and enable it               |
+| `W` | **WRITEBACK_SD_INFO** | pi_address    | ---          | ---              | ---            | Load writeback SD sector table and enable it               |
-| `K` | **FLASH_PROGRAM**     | pi_address     | length       | ---              | ---            | Program flash with bytes loaded into data buffer           |
+| `K` | **FLASH_PROGRAM**     | pi_address    | length       | ---              | ---            | Program flash with bytes loaded into data buffer           |
-| `p` | **FLASH_WAIT_BUSY**   | wait           | ---          | erase_block_size | ---            | Wait until flash ready / get block erase size              |
+| `p` | **FLASH_WAIT_BUSY**   | wait          | ---          | erase_block_size | ---            | Wait until flash ready / get block erase size              |
-| `P` | **FLASH_ERASE_BLOCK** | pi_address     | ---          | ---              | ---            | Start flash block erase                                    |
+| `P` | **FLASH_ERASE_BLOCK** | pi_address    | ---          | ---              | ---            | Start flash block erase                                    |
+| `%` | **DIAGNOSTIC_GET**    | diagnostic_id | ---          | ---              | value          | Get diagnostic data                                        |

docs/03_usb_interface.md

@@ -170,7 +170,7 @@ Available packet IDs are listed in the [asynchronous packets](#asynchronous-pack
 | `f` | **FIRMWARE_BACKUP**                             | address      | ---           | ---  | status/length    | Backup firmware to specified memory address                   |
 | `F` | **FIRMWARE_UPDATE**                             | address      | length        | ---  | status           | Update firmware from specified memory address                 |
 | `?` | **DEBUG_GET**                                   | ---          | ---           | ---  | debug_data       | Get internal FPGA debug info                                  |
-| `%` | **STACK_USAGE_GET**                             | ---          | ---           | ---  | stack_usage      | Get per task stack usage                                      |
+| `%` | **DIAGNOSTIC_GET**                              | ---          | ---           | ---  | diagnostic_data  | Get diagnostic data                                           |
 
 ---
 

sw/bootloader/src/font.c

@@ -68,7 +68,7 @@ const uint8_t font_data[96][FONT_CHAR_BYTES] = {
     { 0x38, 0x30, 0x30, 0x30, 0x30, 0x30, 0x38, 0x00, },
     { 0x00, 0x38, 0x6C, 0x00, 0x00, 0x00, 0x00, 0x00, },
     { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFE, },
-    { 0x00, 0x18, 0x30, 0x30, 0x00, 0x00, 0x00, 0x00, },
+    { 0x1C, 0x63, 0x63, 0x1C, 0x00, 0x00, 0x00, 0x00, },
     { 0x00, 0x3C, 0x60, 0x7C, 0x66, 0x66, 0x7C, 0x00, },
     { 0x06, 0x06, 0x3E, 0x66, 0x66, 0x66, 0x3E, 0x00, },
     { 0x00, 0x3C, 0x66, 0x06, 0x06, 0x06, 0x7C, 0x00, },

sw/bootloader/src/sc64.c

@@ -48,6 +48,7 @@ typedef enum {
     CMD_ID_FLASH_PROGRAM        = 'K',
     CMD_ID_FLASH_WAIT_BUSY      = 'p',
     CMD_ID_FLASH_ERASE_BLOCK    = 'P',
+    CMD_ID_DIAGNOSTIC_GET       = '%',
 } sc64_cmd_id_t;
 
 typedef enum {
@@ -436,3 +437,14 @@ sc64_error_t sc64_flash_erase_block (void *address) {
     };
     return sc64_execute_cmd(&cmd);
 }
+
+
+sc64_error_t sc64_get_diagnostic (sc64_diagnostic_id_t id, uint32_t *value) {
+    sc64_cmd_t cmd = {
+        .id = CMD_ID_DIAGNOSTIC_GET,
+        .arg = { id }
+    };
+    sc64_error_t error = sc64_execute_cmd(&cmd);
+    *value = cmd.rsp[1];
+    return error;
+}

sw/bootloader/src/sc64.h

@@ -93,6 +93,10 @@ typedef enum {
     BUTTON_MODE_DD_DISK_SWAP,
 } sc64_button_mode_t;
 
+typedef enum {
+    DIAGNOSTIC_ID_VOLTAGE_TEMPERATURE,
+} sc64_diagnostic_id_t;
+
 typedef struct {
     sc64_boot_mode_t boot_mode;
     sc64_cic_seed_t cic_seed;
@@ -174,5 +178,7 @@ sc64_error_t sc64_flash_wait_busy (void);
 sc64_error_t sc64_flash_get_erase_block_size (size_t *erase_block_size);
 sc64_error_t sc64_flash_erase_block (void *address);
 
+sc64_error_t sc64_get_diagnostic (sc64_diagnostic_id_t id, uint32_t *value);
+
 
 #endif

sw/bootloader/src/test.c

@@ -10,10 +10,22 @@
 
 static void test_sc64_cfg (void) {
     sc64_error_t error;
+    uint32_t button_state;
     uint32_t identifier;
     uint16_t major;
     uint16_t minor;
     uint32_t revision;
+    uint32_t tmp;
+
+    display_printf("Waiting for the button to be released... ");
+
+    do {
+        if ((error = sc64_get_config(CFG_ID_BUTTON_STATE, &button_state)) != SC64_OK) {
+            error_display("Command CONFIG_GET [BUTTON_STATE] failed: %d", error);
+        }
+    } while (button_state != 0);
+
+    display_printf("done\n\n");
 
     if ((error = sc64_get_identifier(&identifier)) != SC64_OK) {
         error_display("Command IDENTIFIER_GET failed: %d", error);
@@ -25,9 +37,19 @@ static void test_sc64_cfg (void) {
         return;
     }
 
-    display_printf("Identifier: 0x%08X\n\n", identifier);
+    if ((error = sc64_get_diagnostic(DIAGNOSTIC_ID_VOLTAGE_TEMPERATURE, &tmp)) != SC64_OK) {
+        error_display("Command DIAGNOSTIC_GET failed: %d", error);
+        return;
+    }
 
-    display_printf("SC64 firmware version: %d.%d.%d\n", major, minor, revision);
+    uint16_t voltage = (uint16_t) (tmp >> 16);
+    int16_t temperature = (int16_t) (tmp & 0xFFFF);
+
+    display_printf("Identifier: 0x%08X\n", identifier);
+    display_printf("SC64 firmware version: %d.%d.%d\n\n", major, minor, revision);
+
+    display_printf("Voltage: %d.%03d V\n", (voltage / 1000), (voltage % 1000));
+    display_printf("Temperature: %d.%01d `C\n", (temperature / 10), (temperature % 10));
 }
 
 static void test_rtc (void) {
@@ -233,7 +255,7 @@ bool test_check (void) {
         error_display("Command CONFIG_GET [BUTTON_STATE] failed: %d", error);
     }
 
-    return button_state != 0;
+    return (button_state != 0);
 }
 
 static struct {

sw/controller/src/cfg.c

@@ -4,6 +4,7 @@
 #include "dd.h"
 #include "flash.h"
 #include "fpga.h"
+#include "hw.h"
 #include "isv.h"
 #include "led.h"
 #include "rtc.h"
@@ -84,6 +85,10 @@ typedef enum {
     SD_CARD_OP_BYTE_SWAP_OFF = 5,
 } sd_card_op_t;
 
+typedef enum {
+    DIAGNOSTIC_ID_VOLTAGE_TEMPERATURE = 0,
+} diagnostic_id_t;
+
 typedef enum {
     SDRAM = (1 << 0),
     FLASH = (1 << 1),
@@ -226,6 +231,22 @@ static bool cfg_set_save_type (save_type_t save_type) {
     return false;
 }
 
+static bool cfg_read_diagnostic_data (uint32_t *args) {
+    switch (args[0]) {
+        case DIAGNOSTIC_ID_VOLTAGE_TEMPERATURE: {
+            uint16_t voltage;
+            int16_t temperature;
+            hw_adc_read_voltage_temperature(&voltage, &temperature);
+            args[1] = ((uint32_t) (voltage) << 16) | ((uint32_t) (temperature));
+            break;
+        }
+        default:
+            return true;
+    }
+
+    return false;
+}
+
 
 uint32_t cfg_get_identifier (void) {
     return fpga_reg_get(REG_CFG_IDENTIFIER);
@@ -700,6 +721,13 @@ void cfg_process (void) {
                 }
                 break;
 
+            case '%':
+                if (cfg_read_diagnostic_data(args)) {
+                    cfg_set_error(CFG_ERROR_BAD_CONFIG_ID);
+                    return;
+                }
+                break;
+
             default:
                 cfg_set_error(CFG_ERROR_UNKNOWN_CMD);
                 return;

sw/controller/src/hw.c

@@ -45,23 +45,23 @@ static void hw_clock_init (void) {
 
 static void hw_timeout_init (void) {
     RCC->APBENR1 |= RCC_APBENR1_DBGEN;
-    DBG->APBFZ2 |= DBG_APB_FZ2_DBG_TIM17_STOP;
+    DBG->APBFZ2 |= DBG_APB_FZ2_DBG_TIM1_STOP;
 
-    RCC->APBENR2 |= RCC_APBENR2_TIM17EN;
+    RCC->APBENR2 |= RCC_APBENR2_TIM1EN;
 
-    TIM17->CR1 = TIM_CR1_OPM;
+    TIM1->CR1 = TIM_CR1_OPM;
-    TIM17->PSC = (((CPU_FREQ / 1000 / 1000) * TIMEOUT_US_PER_TICK) - 1);
+    TIM1->PSC = (((CPU_FREQ / 1000 / 1000) * TIMEOUT_US_PER_TICK) - 1);
-    TIM17->EGR = TIM_EGR_UG;
+    TIM1->EGR = TIM_EGR_UG;
 }
 
 static void hw_timeout_start (void) {
-    TIM17->CR1 &= ~(TIM_CR1_CEN);
+    TIM1->CR1 &= ~(TIM_CR1_CEN);
-    TIM17->CNT = 0;
+    TIM1->CNT = 0;
-    TIM17->CR1 |= TIM_CR1_CEN;
+    TIM1->CR1 |= TIM_CR1_CEN;
 }
 
 static bool hw_timeout_occured (uint32_t timeout_us) {
-    uint16_t count = TIM17->CNT;
+    uint16_t count = TIM1->CNT;
 
     uint32_t adjusted_timeout = ((timeout_us + (TIMEOUT_US_PER_TICK - 1)) / TIMEOUT_US_PER_TICK);
 
@@ -73,29 +73,46 @@ static bool hw_timeout_occured (uint32_t timeout_us) {
 }
 
 
+#define DELAY_US_PER_TICK   (1)
 #define DELAY_MS_PER_TICK   (1)
 
 static void hw_delay_init (void) {
     RCC->APBENR1 |= RCC_APBENR1_DBGEN;
-    DBG->APBFZ2 |= DBG_APB_FZ2_DBG_TIM16_STOP;
+    DBG->APBFZ1 |= DBG_APB_FZ1_DBG_TIM3_STOP;
 
-    RCC->APBENR2 |= RCC_APBENR2_TIM16EN;
+    RCC->APBENR1 |= RCC_APBENR1_TIM3EN;
 
-    TIM16->CR1 = TIM_CR1_OPM;
+    TIM3->CR1 = TIM_CR1_OPM;
-    TIM16->PSC = (((CPU_FREQ / 1000) * DELAY_MS_PER_TICK) - 1);
+    TIM3->EGR = TIM_EGR_UG;
-    TIM16->EGR = TIM_EGR_UG;
+}
+
+void hw_delay_us (uint32_t delay_us) {
+    TIM3->CR1 &= ~(TIM_CR1_CEN);
+    TIM3->PSC = (((CPU_FREQ / 1000 / 1000) * DELAY_US_PER_TICK) - 1);
+    TIM3->CNT = 0;
+    TIM3->EGR = TIM_EGR_UG;
+    TIM3->CR1 |= TIM_CR1_CEN;
+
+    uint32_t adjusted_delay = ((delay_us + (DELAY_US_PER_TICK - 1)) / DELAY_US_PER_TICK);
+
+    uint16_t count;
+    do {
+        count = TIM3->CNT;
+    } while ((count < adjusted_delay) && (count != 0xFFFF));
 }
 
 void hw_delay_ms (uint32_t delay_ms) {
-    TIM16->CR1 &= ~(TIM_CR1_CEN);
+    TIM3->CR1 &= ~(TIM_CR1_CEN);
-    TIM16->CNT = 0;
+    TIM3->PSC = (((CPU_FREQ / 1000) * DELAY_MS_PER_TICK) - 1);
-    TIM16->CR1 |= TIM_CR1_CEN;
+    TIM3->CNT = 0;
+    TIM3->EGR = TIM_EGR_UG;
+    TIM3->CR1 |= TIM_CR1_CEN;
 
     uint32_t adjusted_delay = ((delay_ms + (DELAY_MS_PER_TICK - 1)) / DELAY_MS_PER_TICK);
 
     uint16_t count;
     do {
-        count = TIM16->CNT;
+        count = TIM3->CNT;
     } while ((count < adjusted_delay) && (count != 0xFFFF));
 }
 
@@ -493,6 +510,61 @@ void hw_loader_get_parameters (loader_parameters_t *parameters) {
 }
 
 
+#define ADC_VREF_CAL_POINT  (3000)
+#define ADC_VREF_CAL_VALUE  (*(uint16_t *) (0x1FFF75AAUL))
+
+#define TEMP_CAL_POINT_1    (30)
+#define TEMP_CAL_VALUE_1    (*(uint16_t *) (0x1FFF75A8UL))
+
+#define TEMP_CAL_POINT_2    (130)
+#define TEMP_CAL_VALUE_2    (*(uint16_t *) (0x1FFF75CAUL))
+
+#define TEMP_CAL_VREF       (3000)
+
+#define TEMP_SCALE          (10)
+
+static void hw_adc_init (void) {
+    RCC->APBENR2 |= RCC_APBENR2_ADCEN;
+
+    ADC1->CFGR2 = ADC_CFGR2_CKMODE_1;
+
+    ADC->CCR = (ADC_CCR_TSEN | ADC_CCR_VREFEN);
+    ADC1->CR = ADC_CR_ADVREGEN;
+
+    hw_delay_us(120);
+
+    ADC1->ISR = ADC_ISR_EOCAL;
+    ADC1->CR |= ADC_CR_ADCAL;
+    while (!(ADC1->ISR & ADC_ISR_EOCAL));
+
+    ADC1->CFGR1 = (ADC_CFGR1_AUTOFF | ADC_CFGR1_WAIT | ADC_CFGR1_SCANDIR);
+    ADC1->CFGR2 |= (ADC_CFGR2_OVSS_2 | ADC_CFGR2_OVSR_1 | ADC_CFGR2_OVSR_0 | ADC_CFGR2_OVSE);
+    ADC1->SMPR = (ADC_SMPR_SMP1_2 | ADC_SMPR_SMP1_1 | ADC_SMPR_SMP1_0);
+
+    ADC1->ISR = ADC_ISR_CCRDY;
+    ADC1->CHSELR = (ADC_CHSELR_CHSEL13 | ADC_CHSELR_CHSEL12);
+    while (!(ADC1->ISR & ADC_ISR_CCRDY));
+
+    ADC1->CR |= ADC_CR_ADEN;
+}
+
+void hw_adc_read_voltage_temperature (uint16_t *voltage, int16_t *temperature) {
+    ADC1->CR |= ADC_CR_ADSTART;
+
+    while (!(ADC1->ISR & ADC_ISR_EOC));
+    uint16_t adc_vref = ((ADC_VREF_CAL_POINT * ADC_VREF_CAL_VALUE) / ADC1->DR);
+
+    while (!(ADC1->ISR & ADC_ISR_EOC));
+    int16_t adc_temp = ((ADC1->DR * adc_vref) / TEMP_CAL_VREF);
+
+    *voltage = adc_vref;
+    *temperature = (
+        ((adc_temp - TEMP_CAL_VALUE_1) * (TEMP_CAL_POINT_2 - TEMP_CAL_POINT_1) * TEMP_SCALE) /
+        (TEMP_CAL_VALUE_2 - TEMP_CAL_VALUE_1)
+    ) + (TEMP_CAL_POINT_1 * TEMP_SCALE);
+}
+
+
 static void hw_led_init (void) {
     hw_gpio_init(GPIO_ID_LED, GPIO_OUTPUT, GPIO_PP, GPIO_SPEED_VLOW, GPIO_PULL_NONE, GPIO_AF_0, 0);
 }
@@ -530,6 +602,7 @@ void hw_app_init (void) {
     hw_clock_init();
     hw_timeout_init();
     hw_delay_init();
+    hw_adc_init();
     hw_led_init();
     hw_misc_init();
     hw_uart_init();

sw/controller/src/hw.h

@@ -85,6 +85,8 @@ void hw_reset (loader_parameters_t *parameters);
 
 void hw_loader_get_parameters (loader_parameters_t *parameters);
 
+void hw_adc_read_voltage_temperature (uint16_t *voltage, int16_t *temperature);
+
 void hw_primer_init (void);
 void hw_loader_init (void);
 void hw_app_init (void);

sw/controller/src/usb.c

@@ -3,6 +3,7 @@
 #include "dd.h"
 #include "flash.h"
 #include "fpga.h"
+#include "hw.h"
 #include "rtc.h"
 #include "timer.h"
 #include "update.h"
@@ -21,6 +22,9 @@
 
 #define DEBUG_WRITE_TIMEOUT_MS  (1000)
 
+#define DIAGNOSTIC_DATA_MARKER  (1 << 31)
+#define DIAGNOSTIC_DATA_VERSION (1)
+
 
 enum rx_state {
     RX_STATE_IDLE,
@@ -381,15 +385,19 @@ static void usb_rx_process (void) {
                 p.response_info.data[1] = fpga_reg_get(REG_DEBUG_1);
                 break;
 
-            case '%':
+            case '%': {
+                uint16_t voltage;
+                int16_t temperature;
+                hw_adc_read_voltage_temperature(&voltage, &temperature);
                 p.rx_state = RX_STATE_IDLE;
                 p.response_pending = true;
                 p.response_info.data_length = 16;
-                p.response_info.data[0] = 0;
+                p.response_info.data[0] = (DIAGNOSTIC_DATA_MARKER | DIAGNOSTIC_DATA_VERSION);
-                p.response_info.data[1] = 0;
+                p.response_info.data[1] = (uint32_t) (voltage);
-                p.response_info.data[2] = 0;
+                p.response_info.data[2] = (uint32_t) (temperature);
                 p.response_info.data[3] = 0;
                 break;
+            }
 
             default:
                 p.rx_state = RX_STATE_IDLE;

sw/deployer/src/main.rs

@@ -738,7 +738,7 @@ fn handle_info_command(connection: Connection) -> Result<(), sc64::Error> {
     println!(" LED blink:           {}", state.led_enable);
     println!(" IS-Viewer 64 offset: 0x{:08X}", state.isv_address);
     println!(" FPGA debug data:     {}", state.fpga_debug_data);
-    println!(" MCU stack usage:     {}", state.mcu_stack_usage);
+    println!(" Diagnostic data:     {}", state.diagnostic_data);
 
     Ok(())
 }

sw/deployer/src/sc64/mod.rs

@@ -12,7 +12,7 @@ pub use self::{
     server::ServerEvent,
     types::{
         BootMode, ButtonMode, ButtonState, CicSeed, DataPacket, DdDiskState, DdDriveType, DdMode,
-        DebugPacket, DiskPacket, DiskPacketKind, FpgaDebugData, McuStackUsage, SaveType,
+        DebugPacket, DiagnosticData, DiskPacket, DiskPacketKind, FpgaDebugData, SaveType,
         SaveWriteback, Switch, TvType,
     },
 };
@@ -55,7 +55,7 @@ pub struct DeviceState {
     pub led_enable: Switch,
     pub datetime: DateTime<Local>,
     pub fpga_debug_data: FpgaDebugData,
-    pub mcu_stack_usage: McuStackUsage,
+    pub diagnostic_data: DiagnosticData,
 }
 
 const SC64_V2_IDENTIFIER: &[u8; 4] = b"SCv2";
@@ -350,7 +350,7 @@ impl SC64 {
         Ok(u32::from_be_bytes(data[0..4].try_into().unwrap()).try_into()?)
     }
 
-    fn command_debug_get(&mut self) -> Result<FpgaDebugData, Error> {
+    fn command_fpga_debug_data_get(&mut self) -> Result<FpgaDebugData, Error> {
         let data = self.link.execute_command(&Command {
             id: b'?',
             args: [0, 0],
@@ -359,7 +359,7 @@ impl SC64 {
         Ok(data.try_into()?)
     }
 
-    fn command_stack_usage_get(&mut self) -> Result<McuStackUsage, Error> {
+    fn command_diagnostic_data_get(&mut self) -> Result<DiagnosticData, Error> {
         let data = self.link.execute_command(&Command {
             id: b'%',
             args: [0, 0],
@@ -557,8 +557,8 @@ impl SC64 {
             rom_extended_enable: get_config!(self, RomExtendedEnable)?,
             led_enable: get_setting!(self, LedEnable)?,
             datetime: self.get_datetime()?,
-            fpga_debug_data: self.command_debug_get()?,
+            fpga_debug_data: self.command_fpga_debug_data_get()?,
-            mcu_stack_usage: self.command_stack_usage_get()?,
+            diagnostic_data: self.command_diagnostic_data_get()?,
         })
     }
 

sw/deployer/src/sc64/types.rs

@@ -828,37 +828,81 @@ impl Display for FpgaDebugData {
     }
 }
 
-pub struct McuStackUsage {
+pub struct DiagnosticDataV0 {
     pub cic: u32,
     pub rtc: u32,
     pub led: u32,
     pub gvr: u32,
 }
 
-impl TryFrom<Vec<u8>> for McuStackUsage {
+pub struct DiagnosticDataV1 {
+    pub voltage: f32,
+    pub temperature: f32,
+}
+
+pub enum DiagnosticData {
+    V0(DiagnosticDataV0),
+    V1(DiagnosticDataV1),
+    Unknown,
+}
+
+impl TryFrom<Vec<u8>> for DiagnosticData {
     type Error = Error;
     fn try_from(value: Vec<u8>) -> Result<Self, Self::Error> {
-        if value.len() != 16 {
+        if value.len() < 4 {
-            return Err(Error::new("Invalid data length for MCU stack usage"));
+            return Err(Error::new("Invalid data length for diagnostic data"));
+        }
+        let raw_version = u32::from_be_bytes(value[0..4].try_into().unwrap());
+        let unversioned = raw_version & (1 << 31) == 0;
+        let version = raw_version & !(1 << 31);
+
+        if unversioned {
+            if value.len() != 16 {
+                return Err(Error::new("Invalid data length for V0 diagnostic data"));
+            }
+            return Ok(DiagnosticData::V0(DiagnosticDataV0 {
+                cic: u32::from_be_bytes(value[0..4].try_into().unwrap()),
+                rtc: u32::from_be_bytes(value[4..8].try_into().unwrap()),
+                led: u32::from_be_bytes(value[8..12].try_into().unwrap()),
+                gvr: u32::from_be_bytes(value[12..16].try_into().unwrap()),
+            }));
+        }
+
+        match version {
+            1 => {
+                if value.len() != 16 {
+                    return Err(Error::new("Invalid data length for V1 diagnostic data"));
+                }
+                let raw_voltage = u32::from_be_bytes(value[4..8].try_into().unwrap()) as f32;
+                let raw_temperature = u32::from_be_bytes(value[8..12].try_into().unwrap()) as f32;
+                Ok(DiagnosticData::V1(DiagnosticDataV1 {
+                    voltage: raw_voltage / 1000.0,
+                    temperature: raw_temperature / 10.0,
+                }))
+            }
+            _ => Ok(DiagnosticData::Unknown),
         }
-        Ok(McuStackUsage {
-            cic: u32::from_be_bytes(value[0..4].try_into().unwrap()),
-            rtc: u32::from_be_bytes(value[4..8].try_into().unwrap()),
-            led: u32::from_be_bytes(value[8..12].try_into().unwrap()),
-            gvr: u32::from_be_bytes(value[12..16].try_into().unwrap()),
-        })
     }
 }
 
-impl Display for McuStackUsage {
+impl Display for DiagnosticData {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
-        if self.cic > 0 {
+        match self {
-            f.write_fmt(format_args!("CIC: {}, ", self.cic))?;
+            DiagnosticData::V0(d) => {
+                if d.cic > 0 {
+                    f.write_fmt(format_args!("CIC: {}, ", d.cic))?;
+                }
+                f.write_fmt(format_args!(
+                    "RTC: {}, LED: {}, GVR: {}",
+                    d.rtc, d.led, d.gvr
+                ))
+            }
+            DiagnosticData::V1(d) => f.write_fmt(format_args!(
+                "{:.03} V / {:.01} °C",
+                d.voltage, d.temperature
+            )),
+            DiagnosticData::Unknown => f.write_str("Unknown"),
         }
-        f.write_fmt(format_args!(
-            "RTC: {}, LED: {}, GVR: {}",
-            self.rtc, self.led, self.gvr
-        ))
     }
 }
 
@@ -874,7 +918,7 @@ macro_rules! get_config {
 
 macro_rules! get_setting {
     ($sc64:ident, $setting:ident) => {{
-        // Note: remove 'allow(irrefutable_let_patterns)' below when more settings are added
+        // NOTE: remove 'allow(irrefutable_let_patterns)' below when more settings are added
         #[allow(irrefutable_let_patterns)]
         if let Setting::$setting(value) = $sc64.command_setting_get(SettingId::$setting)? {
             Ok(value)