API HAL: takeover i2c initialization and abstraction. Update I2C drivers to match new api. Back port API HAL to bootloader and enable light support for F5. (#356)

Co-authored-by: coreglitch <mail@s3f.ru>

bootloader/targets/f5/api-hal/api-hal-i2c.c

@@ -0,0 +1,85 @@
+#include <api-hal-i2c.h>
+
+#include <stm32wbxx_ll_bus.h>
+#include <stm32wbxx_ll_i2c.h>
+#include <stm32wbxx_ll_rcc.h>
+#include <stm32wbxx_ll_gpio.h>
+
+void api_hal_i2c_init() {
+    LL_I2C_InitTypeDef I2C_InitStruct = {0};
+    LL_GPIO_InitTypeDef GPIO_InitStruct = {0};
+
+    LL_RCC_SetI2CClockSource(LL_RCC_I2C1_CLKSOURCE_PCLK1);
+
+    LL_AHB2_GRP1_EnableClock(LL_AHB2_GRP1_PERIPH_GPIOA);
+    GPIO_InitStruct.Pin = I2C_SCL_Pin | I2C_SDA_Pin;
+    GPIO_InitStruct.Mode = LL_GPIO_MODE_ALTERNATE;
+    GPIO_InitStruct.Speed = LL_GPIO_SPEED_FREQ_LOW;
+    GPIO_InitStruct.OutputType = LL_GPIO_OUTPUT_OPENDRAIN;
+    GPIO_InitStruct.Pull = LL_GPIO_PULL_NO;
+    GPIO_InitStruct.Alternate = LL_GPIO_AF_4;
+    LL_GPIO_Init(GPIOA, &GPIO_InitStruct);
+
+    LL_APB1_GRP1_EnableClock(LL_APB1_GRP1_PERIPH_I2C1);
+
+    I2C_InitStruct.PeripheralMode = LL_I2C_MODE_I2C;
+    I2C_InitStruct.Timing = 0x10707DBC;
+    I2C_InitStruct.AnalogFilter = LL_I2C_ANALOGFILTER_ENABLE;
+    I2C_InitStruct.DigitalFilter = 0;
+    I2C_InitStruct.OwnAddress1 = 0;
+    I2C_InitStruct.TypeAcknowledge = LL_I2C_ACK;
+    I2C_InitStruct.OwnAddrSize = LL_I2C_OWNADDRESS1_7BIT;
+    LL_I2C_Init(I2C1, &I2C_InitStruct);
+    LL_I2C_EnableAutoEndMode(I2C1);
+    LL_I2C_SetOwnAddress2(I2C1, 0, LL_I2C_OWNADDRESS2_NOMASK);
+    LL_I2C_DisableOwnAddress2(I2C1);
+    LL_I2C_DisableGeneralCall(I2C1);
+    LL_I2C_EnableClockStretching(I2C1);
+}
+
+void api_hal_i2c_tx(I2C_TypeDef* instance, uint8_t address, const uint8_t* data, uint8_t size) {
+    LL_I2C_HandleTransfer(
+        instance,
+        address,
+        LL_I2C_ADDRSLAVE_7BIT,
+        size,
+        LL_I2C_MODE_AUTOEND,
+        LL_I2C_GENERATE_START_WRITE);
+
+    while(!LL_I2C_IsActiveFlag_STOP(instance)) {
+        if(LL_I2C_IsActiveFlag_TXIS(instance)) {
+            LL_I2C_TransmitData8(instance, (*data++));
+        }
+    }
+
+    LL_I2C_ClearFlag_STOP(instance);
+}
+
+void api_hal_i2c_rx(I2C_TypeDef* instance, uint8_t address, uint8_t* data, uint8_t size) {
+    LL_I2C_HandleTransfer(
+        instance,
+        address,
+        LL_I2C_ADDRSLAVE_7BIT,
+        size,
+        LL_I2C_MODE_AUTOEND,
+        LL_I2C_GENERATE_START_READ);
+
+    while(!LL_I2C_IsActiveFlag_STOP(instance)) {
+        if(LL_I2C_IsActiveFlag_RXNE(instance)) {
+            *data++ = LL_I2C_ReceiveData8(instance);
+        }
+    }
+
+    LL_I2C_ClearFlag_STOP(instance);
+}
+
+void api_hal_i2c_trx(
+    I2C_TypeDef* instance,
+    uint8_t address,
+    const uint8_t* tx_data,
+    uint8_t tx_size,
+    uint8_t* rx_data,
+    uint8_t rx_size) {
+    api_hal_i2c_tx(instance, address, tx_data, tx_size);
+    api_hal_i2c_rx(instance, address, rx_data, rx_size);
+}

bootloader/targets/f5/api-hal/api-hal-i2c.h

@@ -0,0 +1,40 @@
+#pragma once
+
+#include <stdbool.h>
+#include <stdint.h>
+#include <api-hal-resources.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+void api_hal_i2c_init();
+
+void api_hal_i2c_tx(
+    I2C_TypeDef* instance,
+    const uint8_t address,
+    const uint8_t* data,
+    const uint8_t size);
+
+void api_hal_i2c_rx(
+    I2C_TypeDef* instance,
+    const uint8_t address,
+    uint8_t* data,
+    const uint8_t size);
+
+void api_hal_i2c_trx(
+    I2C_TypeDef* instance,
+    const uint8_t address,
+    const uint8_t* tx_data,
+    const uint8_t tx_size,
+    uint8_t* rx_data,
+    const uint8_t rx_size);
+
+#define with_api_hal_i2c(type, pointer, function_body)        \
+    {                                                         \
+        *pointer = ({ type __fn__ function_body __fn__; })(); \
+    }
+
+#ifdef __cplusplus
+}
+#endif

bootloader/targets/f5/api-hal/api-hal-light.c

@@ -0,0 +1,43 @@
+#include <api-hal-light.h>
+#include <lp5562.h>
+
+#define LED_CURRENT_RED 50
+#define LED_CURRENT_GREEN 50
+#define LED_CURRENT_BLUE 50
+#define LED_CURRENT_WHITE 150
+
+void api_hal_light_init() {
+    lp5562_reset();
+
+    lp5562_set_channel_current(LP5562ChannelRed, LED_CURRENT_RED);
+    lp5562_set_channel_current(LP5562ChannelGreen, LED_CURRENT_GREEN);
+    lp5562_set_channel_current(LP5562ChannelBlue, LED_CURRENT_BLUE);
+    lp5562_set_channel_current(LP5562ChannelWhite, LED_CURRENT_WHITE);
+
+    lp5562_set_channel_value(LP5562ChannelRed, 0x00);
+    lp5562_set_channel_value(LP5562ChannelGreen, 0x00);
+    lp5562_set_channel_value(LP5562ChannelBlue, 0x00);
+    lp5562_set_channel_value(LP5562ChannelWhite, 0x00);
+
+    lp5562_enable();
+    lp5562_configure();
+}
+
+void api_hal_light_set(Light light, uint8_t value) {
+    switch(light) {
+    case LightRed:
+        lp5562_set_channel_value(LP5562ChannelRed, value);
+        break;
+    case LightGreen:
+        lp5562_set_channel_value(LP5562ChannelGreen, value);
+        break;
+    case LightBlue:
+        lp5562_set_channel_value(LP5562ChannelBlue, value);
+        break;
+    case LightBacklight:
+        lp5562_set_channel_value(LP5562ChannelWhite, value);
+        break;
+    default:
+        break;
+    }
+}

bootloader/targets/f5/api-hal/api-hal-light.h

@@ -0,0 +1,17 @@
+#pragma once
+
+#include <stdbool.h>
+#include <stdint.h>
+#include <api-hal-resources.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+void api_hal_light_init();
+
+void api_hal_light_set(Light light, uint8_t value);
+
+#ifdef __cplusplus
+}
+#endif

bootloader/targets/f5/api-hal/api-hal-resources.h

@@ -0,0 +1,37 @@
+#pragma once
+
+#include <stm32wbxx.h>
+#include <stm32wbxx_ll_gpio.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define I2C_SCL_Pin LL_GPIO_PIN_9
+#define I2C_SCL_GPIO_Port GPIOA
+#define I2C_SDA_Pin LL_GPIO_PIN_10
+#define I2C_SDA_GPIO_Port GPIOA
+
+#define POWER_I2C I2C1
+
+/* Input Keys */
+typedef enum {
+    InputKeyUp,
+    InputKeyDown,
+    InputKeyRight,
+    InputKeyLeft,
+    InputKeyOk,
+    InputKeyBack,
+} InputKey;
+
+/* Light */
+typedef enum {
+    LightRed,
+    LightGreen,
+    LightBlue,
+    LightBacklight,
+} Light;
+
+#ifdef __cplusplus
+}
+#endif

bootloader/targets/f5/api-hal/api-hal.c

@@ -0,0 +1,6 @@
+#include <api-hal.h>
+
+void api_hal_init() {
+    api_hal_i2c_init();
+    api_hal_light_init();
+}

bootloader/targets/f5/api-hal/api-hal.h

@@ -0,0 +1,6 @@
+#pragma once
+
+#include <api-hal-i2c.h>
+#include <api-hal-light.h>
+
+void api_hal_init();