Import of the watch repository from Pebble

platform/robert/boot/src/board/board.h

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+/*
+ * Copyright 2024 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include "display.h"
+
+#include "drivers/button_id.h"
+
+#include "stm32f7xx.h"
+
+#include <stdint.h>
+#include <stdbool.h>
+
+#define GPIO_Port_NULL ((GPIO_TypeDef *) 0)
+#define GPIO_Pin_NULL ((uint16_t)0x0000)
+
+// This is generated in order to faciliate the check within the IRQ_MAP macro below
+enum {
+#define IRQ_DEF(num, irq) IS_VALID_IRQ__##irq,
+#include "irq_stm32f7.def"
+#undef IRQ_DEF
+};
+
+//! Creates a trampoline to the interrupt handler defined within the driver
+#define IRQ_MAP(irq, handler, device) \
+  void irq##_IRQHandler(void) { \
+    handler(device); \
+  } \
+  _Static_assert(IS_VALID_IRQ__##irq || true, "(See comment below)")
+/*
+ * The above static assert checks that the requested IRQ is valid by checking that the enum
+ * value (generated above) is declared. The static assert itself will not trip, but you will get
+ * a compilation error from that line if the IRQ does not exist within irq_stm32*.def.
+ */
+
+typedef struct {
+  GPIO_TypeDef* const gpio; ///< One of GPIOX. For example, GPIOA.
+  const uint32_t gpio_pin; ///< One of GPIO_Pin_X.
+} InputConfig;
+
+typedef struct {
+  GPIO_TypeDef* const gpio; ///< One of GPIOX. For example, GPIOA.
+  const uint32_t gpio_pin; ///< One of GPIO_Pin_X.
+  bool active_high; ///< Pin is active high or active low
+} OutputConfig;
+
+//! Alternate function pin configuration
+//! Used to configure a pin for use by a peripheral
+typedef struct {
+  GPIO_TypeDef* const gpio; ///< One of GPIOX. For example, GPIOA.
+  const uint32_t gpio_pin; ///< One of GPIO_Pin_X.
+  const uint16_t gpio_pin_source; ///< One of GPIO_PinSourceX.
+  const uint8_t  gpio_af; ///< One of GPIO_AF_X
+} AfConfig;
+
+typedef struct {
+  InputConfig input;
+  GPIOPuPd_TypeDef pupd;
+} ButtonConfig;
+
+// Button Configuration
+/////////////////////////////////////////////////////////////////////////////
+typedef struct {
+  const ButtonConfig buttons[NUM_BUTTONS];
+} BoardConfigButton;
+
+// Power Configuration
+/////////////////////////////////////////////////////////////////////////////
+typedef struct {
+  //! Voltage rail control lines
+  const OutputConfig rail_4V5_ctrl;
+  const OutputConfig rail_6V6_ctrl;
+} BoardConfigPower;
+
+typedef struct {
+  OutputConfig reset_gpio;
+} BoardConfigFlash;
+
+typedef struct {
+  const OutputConfig power_en; //< Enable power supply to the accessory connector.
+} BoardConfigAccessory;
+
+typedef const struct SPIBus SPIBus;
+typedef const struct SPISlavePort SPISlavePort;
+typedef const struct I2CBus I2CBus;
+typedef const struct I2CSlavePort I2CSlavePort;
+typedef const struct ICE40LPDevice ICE40LPDevice;
+
+void board_init(void);
+
+#include "board_definitions.h"

platform/robert/boot/src/board/board_definitions.h

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+/*
+ * Copyright 2024 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#if BOARD_ROBERT_BB || BOARD_ROBERT_BB2
+#include "board_robert_bb.h"
+#elif BOARD_ROBERT_EVT
+#include "board_robert_evt.h"
+#else
+#error "Unknown board definition"
+#endif

platform/robert/boot/src/board/board_robert_bb.c

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+/*
+ * Copyright 2024 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "board/board.h"
+
+#include "drivers/i2c/i2c_definitions.h"
+#include "drivers/i2c/i2c_hal_definitions.h"
+#include "drivers/display/ice40lp_definitions.h"
+#include "util/misc.h"
+
+//
+// iCE40LP configuration
+//
+
+static ICE40LPDevice ICE40LP_DEVICE = {
+  .spi = {
+    .periph = SPI6,
+    .rcc_bit = RCC_APB2Periph_SPI6,
+    .clk = {
+      .gpio = GPIOA,
+      .gpio_pin = GPIO_Pin_5,
+      .gpio_pin_source = GPIO_PinSource5,
+      .gpio_af = GPIO_AF8_SPI6
+    },
+    .mosi = {
+      .gpio = GPIOA,
+      .gpio_pin = GPIO_Pin_7,
+      .gpio_pin_source = GPIO_PinSource7,
+      .gpio_af = GPIO_AF8_SPI6
+    },
+    .scs  = {
+      .gpio = GPIOA,
+      .gpio_pin = GPIO_Pin_4,
+      .active_high = false
+    }
+  },
+
+  .creset = {
+    .gpio = GPIOA,
+    .gpio_pin = GPIO_Pin_3,
+    .active_high = true,
+  },
+  .cdone = {
+    .gpio = GPIOB,
+    .gpio_pin = GPIO_Pin_2,
+  },
+  .busy = {
+    .gpio = GPIOB,
+    .gpio_pin = GPIO_Pin_0,
+  },
+
+  .use_6v6_rail = true,
+};
+
+ICE40LPDevice * const ICE40LP = &ICE40LP_DEVICE;
+
+
+// I2C DEVICES
+
+static I2CBusState I2C_PMIC_MAG_BUS_STATE = {};
+static const I2CBusHal I2C_PMIC_MAG_BUS_HAL = {
+  .i2c = I2C4,
+  .clock_ctrl = RCC_APB1Periph_I2C4,
+  .clock_speed = 400000,
+  .duty_cycle = I2CDutyCycle_16_9,
+  .ev_irq_channel = I2C4_EV_IRQn,
+  .er_irq_channel = I2C4_ER_IRQn,
+};
+
+static const I2CBus I2C_PMIC_MAG_BUS = {
+  .state = &I2C_PMIC_MAG_BUS_STATE,
+  .hal = &I2C_PMIC_MAG_BUS_HAL,
+  .scl_gpio = {
+    .gpio = GPIOF,
+    .gpio_pin = GPIO_Pin_14,
+    .gpio_pin_source = GPIO_PinSource14,
+    .gpio_af = GPIO_AF4_I2C4
+  },
+  .sda_gpio = {
+    .gpio = GPIOF,
+    .gpio_pin = GPIO_Pin_15,
+    .gpio_pin_source = GPIO_PinSource15,
+    .gpio_af = GPIO_AF4_I2C4
+  },
+  .name = "I2C_PMIC_MAG"
+};
+
+static const I2CSlavePort I2C_SLAVE_MAX14690 = {
+  .bus = &I2C_PMIC_MAG_BUS,
+  .address = 0x50
+};
+
+I2CSlavePort * const I2C_MAX14690 = &I2C_SLAVE_MAX14690;
+
+IRQ_MAP(I2C4_EV, i2c_hal_event_irq_handler, &I2C_PMIC_MAG_BUS);
+IRQ_MAP(I2C4_ER, i2c_hal_error_irq_handler, &I2C_PMIC_MAG_BUS);
+
+
+void board_init(void) {
+  i2c_init(&I2C_PMIC_MAG_BUS);
+}

platform/robert/boot/src/board/board_robert_bb.h

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+/*
+ * Copyright 2024 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+// ----------------------------------------------
+//  Board definitions for Robert BB (C2 Bigboard)
+// ----------------------------------------------
+//
+
+#include "util/size.h"
+
+#define BOARD_LSE_MODE RCC_LSE_Bypass
+
+static const BoardConfigButton BOARD_CONFIG_BUTTON = {
+  .buttons = {
+    [BUTTON_ID_BACK] = {
+      .input = {
+        .gpio = GPIOG,
+        .gpio_pin = GPIO_Pin_6,
+      },
+      .pupd = GPIO_PuPd_UP
+    },
+    [BUTTON_ID_UP] = {
+      .input = {
+        .gpio = GPIOG,
+        .gpio_pin = GPIO_Pin_3,
+      },
+      .pupd = GPIO_PuPd_NOPULL
+    },
+    [BUTTON_ID_SELECT] = {
+      .input = {
+        .gpio = GPIOG,
+        .gpio_pin = GPIO_Pin_5,
+      },
+      .pupd = GPIO_PuPd_UP
+    },
+    [BUTTON_ID_DOWN] = {
+      .input = {
+        .gpio = GPIOG,
+        .gpio_pin = GPIO_Pin_4,
+      },
+      .pupd = GPIO_PuPd_UP
+    },
+  },
+};
+
+static const BoardConfigPower BOARD_CONFIG_POWER = {
+  .rail_4V5_ctrl = {
+    .gpio = GPIOH,
+    .gpio_pin = GPIO_Pin_5,
+    .active_high = true,
+  },
+  .rail_6V6_ctrl = {
+    .gpio = GPIOH,
+    .gpio_pin = GPIO_Pin_3,
+    .active_high = true,
+  },
+
+};
+
+static const BoardConfigFlash BOARD_CONFIG_FLASH = {
+};
+
+static const BoardConfigAccessory BOARD_CONFIG_ACCESSORY = {
+  .power_en = { GPIOA, GPIO_Pin_11, true },
+};
+
+typedef enum {
+  QSpiPin_CS,
+  QSpiPin_SCLK,
+  QSpiPin_DQ0,
+  QSpiPin_DQ1,
+  QSpiPin_DQ2,
+  QSpiPin_DQ3,
+  QSpiPinCount,
+} QSpiPin;
+
+static const AfConfig BOARD_CONFIG_FLASH_PINS[] = {
+  [QSpiPin_CS] = {
+    .gpio = GPIOB,
+    .gpio_pin = GPIO_Pin_10,
+    .gpio_pin_source = GPIO_PinSource10,
+    .gpio_af = GPIO_AF9_QUADSPI,
+  },
+  [QSpiPin_SCLK] = {
+    .gpio = GPIOF,
+    .gpio_pin = GPIO_Pin_10,
+    .gpio_pin_source = GPIO_PinSource10,
+    .gpio_af = GPIO_AF9_QUADSPI,
+  },
+  [QSpiPin_DQ0] = {
+    .gpio = GPIOD,
+    .gpio_pin = GPIO_Pin_11,
+    .gpio_pin_source = GPIO_PinSource11,
+    .gpio_af = GPIO_AF9_QUADSPI,
+  },
+  [QSpiPin_DQ1] = {
+    .gpio = GPIOC,
+    .gpio_pin = GPIO_Pin_10,
+    .gpio_pin_source = GPIO_PinSource10,
+    .gpio_af = GPIO_AF9_QUADSPI,
+  },
+  [QSpiPin_DQ2] = {
+    .gpio = GPIOF,
+    .gpio_pin = GPIO_Pin_7,
+    .gpio_pin_source = GPIO_PinSource7,
+    .gpio_af = GPIO_AF9_QUADSPI,
+  },
+  [QSpiPin_DQ3] = {
+    .gpio = GPIOA,
+    .gpio_pin = GPIO_Pin_1,
+    .gpio_pin_source = GPIO_PinSource1,
+    .gpio_af = GPIO_AF9_QUADSPI,
+  },
+};
+
+extern I2CSlavePort * const I2C_MAX14690;
+extern ICE40LPDevice * const ICE40LP;

platform/robert/boot/src/board/board_robert_evt.c

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+/*
+ * Copyright 2024 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "board/board.h"
+
+#include "drivers/i2c/i2c_definitions.h"
+#include "drivers/i2c/i2c_hal_definitions.h"
+#include "drivers/display/ice40lp_definitions.h"
+#include "util/misc.h"
+
+//
+// iCE40LP configuration
+//
+
+static ICE40LPDevice ICE40LP_DEVICE = {
+  .spi = {
+    .periph = SPI6,
+    .rcc_bit = RCC_APB2Periph_SPI6,
+    .clk = {
+      .gpio = GPIOA,
+      .gpio_pin = GPIO_Pin_5,
+      .gpio_pin_source = GPIO_PinSource5,
+      .gpio_af = GPIO_AF8_SPI6
+    },
+    .mosi = {
+      .gpio = GPIOA,
+      .gpio_pin = GPIO_Pin_7,
+      .gpio_pin_source = GPIO_PinSource7,
+      .gpio_af = GPIO_AF8_SPI6
+    },
+    .scs  = {
+      .gpio = GPIOA,
+      .gpio_pin = GPIO_Pin_4,
+      .active_high = false
+    }
+  },
+
+  .creset = {
+    .gpio = GPIOA,
+    .gpio_pin = GPIO_Pin_3,
+    .active_high = true,
+  },
+  .cdone = {
+    .gpio = GPIOB,
+    .gpio_pin = GPIO_Pin_2,
+  },
+  .busy = {
+    .gpio = GPIOB,
+    .gpio_pin = GPIO_Pin_0,
+  },
+
+  .use_6v6_rail = false,
+};
+
+ICE40LPDevice * const ICE40LP = &ICE40LP_DEVICE;
+
+
+// I2C DEVICES
+
+static I2CBusState I2C_PMIC_MAG_BUS_STATE = {};
+static const I2CBusHal I2C_PMIC_MAG_BUS_HAL = {
+  .i2c = I2C4,
+  .clock_ctrl = RCC_APB1Periph_I2C4,
+  .clock_speed = 400000,
+  .duty_cycle = I2CDutyCycle_16_9,
+  .ev_irq_channel = I2C4_EV_IRQn,
+  .er_irq_channel = I2C4_ER_IRQn,
+};
+
+static const I2CBus I2C_PMIC_MAG_BUS = {
+  .state = &I2C_PMIC_MAG_BUS_STATE,
+  .hal = &I2C_PMIC_MAG_BUS_HAL,
+  .scl_gpio = {
+    .gpio = GPIOF,
+    .gpio_pin = GPIO_Pin_14,
+    .gpio_pin_source = GPIO_PinSource14,
+    .gpio_af = GPIO_AF4_I2C4
+  },
+  .sda_gpio = {
+    .gpio = GPIOF,
+    .gpio_pin = GPIO_Pin_15,
+    .gpio_pin_source = GPIO_PinSource15,
+    .gpio_af = GPIO_AF4_I2C4
+  },
+  .name = "I2C_PMIC_MAG"
+};
+
+static const I2CSlavePort I2C_SLAVE_MAX14690 = {
+  .bus = &I2C_PMIC_MAG_BUS,
+  .address = 0x50
+};
+
+I2CSlavePort * const I2C_MAX14690 = &I2C_SLAVE_MAX14690;
+
+IRQ_MAP(I2C4_EV, i2c_hal_event_irq_handler, &I2C_PMIC_MAG_BUS);
+IRQ_MAP(I2C4_ER, i2c_hal_error_irq_handler, &I2C_PMIC_MAG_BUS);
+
+
+void board_init(void) {
+  i2c_init(&I2C_PMIC_MAG_BUS);
+}

platform/robert/boot/src/board/board_robert_evt.h

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+/*
+ * Copyright 2024 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+// ----------------------------------------------
+//  Board definitions for Robert EVT
+// ----------------------------------------------
+//
+
+#include "util/size.h"
+
+#define BOARD_LSE_MODE RCC_LSE_Bypass
+
+static const BoardConfigButton BOARD_CONFIG_BUTTON = {
+  .buttons = {
+    [BUTTON_ID_BACK] = {
+      .input = {
+        .gpio = GPIOG,
+        .gpio_pin = GPIO_Pin_3,
+      },
+      .pupd = GPIO_PuPd_NOPULL,
+    },
+    [BUTTON_ID_UP] = {
+      .input = {
+        .gpio = GPIOG,
+        .gpio_pin = GPIO_Pin_4,
+      },
+      .pupd = GPIO_PuPd_UP,
+    },
+    [BUTTON_ID_SELECT] = {
+      .input = {
+        .gpio = GPIOG,
+        .gpio_pin = GPIO_Pin_5,
+      },
+      .pupd = GPIO_PuPd_UP,
+    },
+    [BUTTON_ID_DOWN] = {
+      .input = {
+        .gpio = GPIOG,
+        .gpio_pin = GPIO_Pin_6,
+      },
+      .pupd = GPIO_PuPd_UP,
+    },
+  },
+};
+
+static const BoardConfigPower BOARD_CONFIG_POWER = {
+  .rail_4V5_ctrl = {
+    .gpio = GPIOH,
+    .gpio_pin = GPIO_Pin_5,
+    .active_high = true,
+  },
+
+  .rail_6V6_ctrl = { GPIO_Port_NULL },
+};
+
+static const BoardConfigFlash BOARD_CONFIG_FLASH = {
+  .reset_gpio = {
+    .gpio = GPIOE,
+    .gpio_pin = GPIO_Pin_15,
+    .active_high = false,
+  },
+};
+
+static const BoardConfigAccessory BOARD_CONFIG_ACCESSORY = {
+  .power_en = { GPIOD, GPIO_Pin_2, true },
+};
+
+typedef enum {
+  QSpiPin_CS,
+  QSpiPin_SCLK,
+  QSpiPin_DQ0,
+  QSpiPin_DQ1,
+  QSpiPin_DQ2,
+  QSpiPin_DQ3,
+  QSpiPinCount,
+} QSpiPin;
+
+static const AfConfig BOARD_CONFIG_FLASH_PINS[] = {
+  [QSpiPin_CS] = {
+    .gpio = GPIOB,
+    .gpio_pin = GPIO_Pin_10,
+    .gpio_pin_source = GPIO_PinSource10,
+    .gpio_af = GPIO_AF9_QUADSPI,
+  },
+  [QSpiPin_SCLK] = {
+    .gpio = GPIOF,
+    .gpio_pin = GPIO_Pin_10,
+    .gpio_pin_source = GPIO_PinSource10,
+    .gpio_af = GPIO_AF9_QUADSPI,
+  },
+  [QSpiPin_DQ0] = {
+    .gpio = GPIOD,
+    .gpio_pin = GPIO_Pin_11,
+    .gpio_pin_source = GPIO_PinSource11,
+    .gpio_af = GPIO_AF9_QUADSPI,
+  },
+  [QSpiPin_DQ1] = {
+    .gpio = GPIOC,
+    .gpio_pin = GPIO_Pin_10,
+    .gpio_pin_source = GPIO_PinSource10,
+    .gpio_af = GPIO_AF9_QUADSPI,
+  },
+  [QSpiPin_DQ2] = {
+    .gpio = GPIOE,
+    .gpio_pin = GPIO_Pin_2,
+    .gpio_pin_source = GPIO_PinSource2,
+    .gpio_af = GPIO_AF9_QUADSPI,
+  },
+  [QSpiPin_DQ3] = {
+    .gpio = GPIOA,
+    .gpio_pin = GPIO_Pin_1,
+    .gpio_pin_source = GPIO_PinSource1,
+    .gpio_af = GPIO_AF9_QUADSPI,
+  },
+};
+
+extern I2CSlavePort * const I2C_MAX14690;
+extern ICE40LPDevice * const ICE40LP;

platform/robert/boot/src/board/display.h

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+/*
+ * Copyright 2024 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#define DISP_COLS 200
+#define DISP_ROWS 228
+
+#define DISPLAY_FRAMEBUFFER_BYTES (DISP_COLS * DISP_ROWS)
+
+#define DISPLAY_ORIENTATION_COLUMN_MAJOR_INVERTED 0
+#define DISPLAY_ORIENTATION_ROTATED_180 0
+#define DISPLAY_ORIENTATION_ROW_MAJOR 0
+#define DISPLAY_ORIENTATION_ROW_MAJOR_INVERTED 1
+
+#define PBL_BW 0
+#define PBL_RECT 1
+
+#define PBL_ROUND 0
+#define PBL_COLOR 1