Added shutdown command, increased short circuit fault timing.

o7-machinehum · Oct 16, 2023 · d79242b · d79242b
1 parent b4bc7f9
commit d79242b
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Showing 4 changed files with 12 additions and 2 deletions.
diff --git a/stm32-app/bq76920.c b/stm32-app/bq76920.c
@@ -58,7 +58,7 @@ void bq76920_init()
 	bq76920_write_reg(SYS_CTRL1, SYS_CTRL1_ADC_EN); // ADC_EN = 1
 
 	bq76920_write_reg(CELLBAL1, 0x00);
-	bq76920_write_reg(PROTECT1, PROTECT1_SCD_T0);
+	bq76920_write_reg(PROTECT1, PROTECT1_SCD_T1);
 	// PROTECT2 Left at default settings (8A Over Current)
 }
 

diff --git a/stm32-app/bq76920.h b/stm32-app/bq76920.h
@@ -23,6 +23,7 @@
 
 #define PROTECT1        0x06
 #define PROTECT1_SCD_T0 (1 << 0)
+#define PROTECT1_SCD_T1 (1 << 1)
 
 #define OV_TRIP   0x09
 #define UV_TRIP   0x0A

diff --git a/stm32-app/main.c b/stm32-app/main.c
@@ -69,6 +69,10 @@ static void gpio_setup(void)
 	gpio_mode_setup(PORT_LED, GPIO_MODE_OUTPUT, GPIO_PUPD_NONE,
 			PIN_LED1 | PIN_LED2);
 
+	// Shutdown buttons
+	gpio_mode_setup(GPIOA, GPIO_MODE_INPUT, GPIO_PUPD_PULLUP, GPIO13);
+
+	// allert
 	gpio_mode_setup(GPIOB, GPIO_MODE_INPUT, GPIO_PUPD_NONE, GPIO8);
 }
 
@@ -184,6 +188,11 @@ int main(void)
 			uart_out(buf);
 		}
 
+		if(!gpio_get(GPIOA, GPIO13)) {
+			sprintf(buf, "Shutting down\n\r");
+			uart_out(buf);
+			bq76920_shutdown();
+		}
 		gpio_toggle(PORT_LED, PIN_LED2);
 		delay(5e6);
 	}

diff --git a/stm32-app/rules.mk b/stm32-app/rules.mk
@@ -246,7 +246,7 @@ ifeq ($(OOCD_FILE),)
 	(echo "halt; program $(realpath $(*).elf) verify reset" | nc -4 localhost 4444 2>/dev/null) || \
 		$(OOCD) -f interface/$(OOCD_INTERFACE).cfg \
 		-f target/$(OOCD_TARGET).cfg \
-		-c "program $(*).elf verify reset exit"
+		-c "reset_config srst_only connect_assert_srst; program $(*).elf verify reset exit"
 else
 %.flash: %.elf
 	@printf "  FLASH   $<\n"