getting the sensor watch dev board working

boards/OSO-FEAL-A1-00/pins.h

@@ -19,14 +19,14 @@
 
 // LEDs
 #define WATCH_INVERT_LED_POLARITY
-#define RED GPIO(GPIO_PORTB, 22)
+#define RED GPIO(GPIO_PORTA, 4)
-#define WATCH_RED_TCC_PINMUX PINMUX_PB22F_TCC0_WO2
+#define WATCH_RED_TCC_CHANNEL 0
-#define WATCH_RED_TCC_CHANNEL 2
+#define WATCH_RED_TCC_PINMUX PINMUX_PA04E_TCC0_WO0
 
 #ifdef WATCH_SWAP_LED_PINS
-    #define GREEN GPIO(GPIO_PORTA, 4)
+    #define GREEN GPIO(GPIO_PORTB, 22)
-    #define WATCH_GREEN_TCC_CHANNEL 0
+    #define WATCH_GREEN_TCC_CHANNEL 2
-    #define WATCH_GREEN_TCC_PINMUX PINMUX_PA04E_TCC0_WO0
+    #define WATCH_GREEN_TCC_PINMUX PINMUX_PB22F_TCC0_WO2
 #else
     #define GREEN GPIO(GPIO_PORTB, 23)
     #define WATCH_GREEN_TCC_CHANNEL 3

make.mk

@@ -116,3 +116,7 @@ DEFINES += \
 ifeq ($(LED), BLUE)
 CFLAGS += -DWATCH_SWAP_LED_PINS
 endif
+
+ifeq ($(BOARD), OSO-FEAL-A1-00)
+CFLAGS += -DCRYSTALLESS
+endif

watch-library/config/hpl_eic_config.h

@@ -271,7 +271,7 @@
 // <i> Indicates whether the external interrupt 5 filter is enabled or not
 // <id> eic_arch_filten5
 #ifndef CONF_EIC_FILTEN5
-#define CONF_EIC_FILTEN5 0
+#define CONF_EIC_FILTEN5 1
 #endif
 
 // <q> External Interrupt 5 Event Output Enable
@@ -723,7 +723,12 @@
 
 // </e>
 
+// my god this is a hack. need to refactor this out of ASF and into our driver. - joey 10/19
+#ifdef CRYSTALLESS
+#define CONFIG_EIC_EXTINT_MAP {2, PIN_PA02}, {5, PIN_PB05}, {7, PIN_PA07},
+#else
 #define CONFIG_EIC_EXTINT_MAP {2, PIN_PA02}, {6, PIN_PA22}, {7, PIN_PA23},
+#endif
 
 // <<< end of configuration section >>>
 

watch-library/config/hpl_gclk_config.h

@@ -248,9 +248,14 @@
 // <i> This defines the clock source for generic clock generator 3
 // <id> gclk_gen_3_oscillator
 #ifndef CONF_GCLK_GEN_3_SOURCE
+#ifdef CRYSTALLESS
+#define CONF_GCLK_GEN_3_SOURCE GCLK_GENCTRL_SRC_OSCULP32K
+#else
 #define CONF_GCLK_GEN_3_SOURCE GCLK_GENCTRL_SRC_XOSC32K
 #endif
 
+#endif
+
 // <q> Run in Standby
 // <i> Indicates whether Run in Standby is enabled or not
 // <id> gclk_arch_gen_3_runstdby

watch-library/config/hpl_osc32kctrl_config.h

@@ -17,8 +17,12 @@
 // <i> This defines the clock source for RTC
 // <id> rtc_source_oscillator
 #ifndef CONF_RTCCTRL_SRC
+#ifdef CRYSTALLESS
+#define CONF_RTCCTRL_SRC GCLK_GENCTRL_SRC_OSCULP32K
+#else
 #define CONF_RTCCTRL_SRC GCLK_GENCTRL_SRC_XOSC32K
 #endif
+#endif
 
 // <q> Use 1 kHz output
 // <id> rtc_1khz_selection

watch-library/watch/watch_extint.c

@@ -65,18 +65,14 @@ void watch_register_interrupt_callback(const uint8_t pin, ext_irq_cb_t callback,
             sense_pos = 4 * (WATCH_A4_EIC_CHANNEL % 8);
             break;
         case BTN_ALARM:
-            // for the buttons, we need an internal pull-down.
-            gpio_set_pin_pull_mode(pin, GPIO_PULL_DOWN);
             config_index = (WATCH_BTN_ALARM_EIC_CHANNEL > 7) ? 1 : 0;
             sense_pos = 4 * (WATCH_BTN_ALARM_EIC_CHANNEL % 8);
             break;
         case BTN_LIGHT:
-            gpio_set_pin_pull_mode(pin, GPIO_PULL_DOWN);
             config_index = (WATCH_BTN_LIGHT_EIC_CHANNEL > 7) ? 1 : 0;
             sense_pos = 4 * (WATCH_BTN_LIGHT_EIC_CHANNEL % 8);
             break;
         case BTN_MODE:
-            gpio_set_pin_pull_mode(pin, GPIO_PULL_DOWN);
             config_index = (WATCH_BTN_MODE_EIC_CHANNEL > 7) ? 1 : 0;
             sense_pos = 4 * (WATCH_BTN_MODE_EIC_CHANNEL % 8);
             break;
@@ -85,7 +81,6 @@ void watch_register_interrupt_callback(const uint8_t pin, ext_irq_cb_t callback,
     }
 
     gpio_set_pin_direction(pin, GPIO_DIRECTION_IN);
-    gpio_set_pin_function(pin, GPIO_PIN_FUNCTION_A);
 
     // EIC configuration register is enable-protected, so we have to disable it first...
     if (hri_eic_get_CTRLA_reg(EIC, EIC_CTRLA_ENABLE)) {
@@ -98,6 +93,9 @@ void watch_register_interrupt_callback(const uint8_t pin, ext_irq_cb_t callback,
     config &= ~(7 << sense_pos);
     config |= trigger << (sense_pos);
     hri_eic_write_CONFIG_reg(EIC, config_index, config);
+    // ...set the pin mode...
+    gpio_set_pin_function(pin, GPIO_PIN_FUNCTION_A);
+    if (pin == BTN_ALARM || pin == BTN_LIGHT || pin == BTN_MODE) gpio_set_pin_pull_mode(pin, GPIO_PULL_DOWN);
     // ...and re-enable the EIC
     hri_eic_set_CTRLA_ENABLE_bit(EIC);