Move RP2040 driver into separate repository
This commit is contained in:
Renze Nicolai
parent
ecd1389301
commit
6814193934
5 changed files with 6 additions and 343 deletions
3
.gitmodules
vendored
3
.gitmodules
vendored
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@ -19,3 +19,6 @@
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[submodule "components/pax-graphics"]
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path = components/pax-graphics
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url = https://github.com/robotman2412/pax-graphics.git
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[submodule "components/mch2022-rp2040"]
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path = components/mch2022-rp2040
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url = https://github.com/badgeteam/esp32-component-mch2022-rp2040.git
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@ -1,5 +1,5 @@
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idf_component_register(
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SRCS "hardware.c" "rp2040.c"
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SRCS "hardware.c"
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INCLUDE_DIRS "."
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REQUIRES
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"appfs"
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@ -10,4 +10,5 @@ idf_component_register(
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"sdcard"
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"spi-ice40"
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"spi-ili9341"
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"mch2022-rp2040"
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)
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@ -1,184 +0,0 @@
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/**
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* Copyright (c) 2022 Nicolai Electronics
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*
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* SPDX-License-Identifier: MIT
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*/
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#include <sdkconfig.h>
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#include <driver/gpio.h>
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#include "rp2040.h"
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#include "managed_i2c.h"
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static const char *TAG = "RP2040";
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inline void _send_input_change(RP2040* device, uint8_t input, bool value) {
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rp2040_input_message_t message;
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message.input = input;
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message.state = value;
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xQueueSend(device->queue, &message, portMAX_DELAY);
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}
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void rp2040_intr_task(void *arg) {
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RP2040* device = (RP2040*) arg;
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uint32_t state;
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while (1) {
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if (xSemaphoreTake(device->_intr_trigger, portMAX_DELAY)) {
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esp_err_t res = i2c_read_reg(device->i2c_bus, device->i2c_address, RP2040_REG_INPUT1, (uint8_t*) &state, 4);
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if (res != ESP_OK) {
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ESP_LOGE(TAG, "RP2040 interrupt task failed to read from RP2040");
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continue;
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}
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//ESP_LOGW(TAG, "RP2040 input state %08x", state);
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uint16_t interrupt = state >> 16;
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uint16_t values = state & 0xFFFF;
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for (uint8_t index = 0; index < 16; index++) {
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if ((interrupt >> index) & 0x01) {
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_send_input_change(device, index, (values >> index) & 0x01);
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}
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}
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vTaskDelay(10 / portTICK_PERIOD_MS);
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}
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}
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}
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void rp2040_intr_handler(void *arg) {
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/* in interrupt handler context */
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RP2040* device = (RP2040*) arg;
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xSemaphoreGiveFromISR(device->_intr_trigger, NULL);
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}
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esp_err_t rp2040_init(RP2040* device) {
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esp_err_t res;
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res = rp2040_get_firmware_version(device, &device->_fw_version);
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if (res != ESP_OK) {
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ESP_LOGE(TAG, "Failed to read firmware version");
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return res;
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}
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if (device->_fw_version < 1) {
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ESP_LOGE(TAG, "Unsupported RP2040 firmware version (%u) found", device->_fw_version);
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return ESP_ERR_INVALID_VERSION;
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}
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res = i2c_read_reg(device->i2c_bus, device->i2c_address, RP2040_REG_GPIO_DIR, &device->_gpio_direction, 1);
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if (res != ESP_OK) {
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ESP_LOGE(TAG, "Failed to read GPIO direction");
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return res;
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}
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res = i2c_read_reg(device->i2c_bus, device->i2c_address, RP2040_REG_GPIO_OUT, &device->_gpio_value, 1);
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if (res != ESP_OK) {
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ESP_LOGE(TAG, "Failed to read GPIO state");
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return res;
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}
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//Create interrupt trigger
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device->_intr_trigger = xSemaphoreCreateBinary();
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if (device->_intr_trigger == NULL) return ESP_ERR_NO_MEM;
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//Attach interrupt to interrupt pin
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if (device->pin_interrupt >= 0) {
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res = gpio_isr_handler_add(device->pin_interrupt, rp2040_intr_handler, (void*) device);
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if (res != ESP_OK) return res;
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gpio_config_t io_conf = {
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.intr_type = GPIO_INTR_NEGEDGE,
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.mode = GPIO_MODE_INPUT,
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.pin_bit_mask = 1LL << device->pin_interrupt,
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.pull_down_en = 0,
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.pull_up_en = 1,
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};
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res = gpio_config(&io_conf);
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if (res != ESP_OK) return res;
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xTaskCreate(&rp2040_intr_task, "RP2040 interrupt", 4096, (void*) device, 10, &device->_intr_task_handle);
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xSemaphoreGive(device->_intr_trigger);
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}
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return ESP_OK;
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}
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esp_err_t rp2040_get_firmware_version(RP2040* device, uint8_t* version) {
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return i2c_read_reg(device->i2c_bus, device->i2c_address, RP2040_REG_FW_VER, version, 1);
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}
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esp_err_t rp2040_get_bootloader_version(RP2040* device, uint8_t* version) {
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if (device->_fw_version != 0xFF) return ESP_FAIL;
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return i2c_read_reg(device->i2c_bus, device->i2c_address, RP2040_BL_REG_BL_VER, version, 1);
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}
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esp_err_t rp2040_get_bootloader_state(RP2040* device, uint8_t* state) {
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if (device->_fw_version != 0xFF) return ESP_FAIL;
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return i2c_read_reg(device->i2c_bus, device->i2c_address, RP2040_BL_REG_BL_STATE, state, 1);
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}
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esp_err_t rp2040_set_bootloader_ctrl(RP2040* device, uint8_t action) {
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if (device->_fw_version != 0xFF) return ESP_FAIL;
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return i2c_write_reg_n(device->i2c_bus, device->i2c_address, RP2040_BL_REG_BL_CTRL, &action, 1);
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}
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esp_err_t rp2040_reboot_to_bootloader(RP2040* device) {
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if ((device->_fw_version < 0x01) && (device->_fw_version >= 0xFF)) return ESP_FAIL;
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uint8_t value = 0xBE;
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return i2c_write_reg_n(device->i2c_bus, device->i2c_address, RP2040_REG_BL_TRIGGER, &value, 1);
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}
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esp_err_t rp2040_get_gpio_dir(RP2040* device, uint8_t gpio, bool* direction) {
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if ((device->_fw_version < 0x01) && (device->_fw_version >= 0xFF)) return ESP_FAIL;
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esp_err_t res = i2c_read_reg(device->i2c_bus, device->i2c_address, RP2040_REG_GPIO_DIR, &device->_gpio_direction, 1);
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if (res != ESP_OK) return res;
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*direction = (device->_gpio_direction >> gpio) & 0x01;
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return ESP_OK;
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}
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esp_err_t rp2040_set_gpio_dir(RP2040* device, uint8_t gpio, bool direction) {
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if ((device->_fw_version < 0x01) && (device->_fw_version >= 0xFF)) return ESP_FAIL;
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if (direction) {
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device->_gpio_direction |= 1UL << gpio;
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} else {
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device->_gpio_direction &= ~(1UL << gpio);
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}
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return i2c_write_reg_n(device->i2c_bus, device->i2c_address, RP2040_REG_GPIO_DIR, &device->_gpio_direction, 1);
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}
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esp_err_t rp2040_get_gpio_value(RP2040* device, uint8_t gpio, bool* value) {
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if ((device->_fw_version < 0x01) && (device->_fw_version >= 0xFF)) return ESP_FAIL;
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uint8_t reg_value;
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esp_err_t res = i2c_read_reg(device->i2c_bus, device->i2c_address, RP2040_REG_GPIO_IN, ®_value, 1);
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if (res != ESP_OK) return res;
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*value = (reg_value >> gpio) & 0x01;
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return ESP_OK;
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}
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esp_err_t rp2040_set_gpio_value(RP2040* device, uint8_t gpio, bool value) {
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if ((device->_fw_version < 0x01) && (device->_fw_version >= 0xFF)) return ESP_FAIL;
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if (value) {
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device->_gpio_value |= 1UL << gpio;
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} else {
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device->_gpio_value &= ~(1UL << gpio);
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}
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return i2c_write_reg_n(device->i2c_bus, device->i2c_address, RP2040_REG_GPIO_OUT, &device->_gpio_value, 1);
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}
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esp_err_t rp2040_get_lcd_backlight(RP2040* device, uint8_t* brightness) {
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if ((device->_fw_version < 0x01) && (device->_fw_version >= 0xFF)) return ESP_FAIL;
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return i2c_read_reg(device->i2c_bus, device->i2c_address, RP2040_REG_LCD_BACKLIGHT, brightness, 1);
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}
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esp_err_t rp2040_set_lcd_backlight(RP2040* device, uint8_t brightness) {
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if ((device->_fw_version < 0x01) && (device->_fw_version >= 0xFF)) return ESP_OK; // Ignore if unsupported
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return i2c_write_reg_n(device->i2c_bus, device->i2c_address, RP2040_REG_LCD_BACKLIGHT, &brightness, 1);
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}
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esp_err_t rp2040_set_fpga(RP2040* device, bool enabled) {
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if ((device->_fw_version < 0x01) && (device->_fw_version >= 0xFF)) return ESP_FAIL;
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uint8_t value = enabled ? 0x01 : 0x00;
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return i2c_write_reg_n(device->i2c_bus, device->i2c_address, RP2040_REG_FPGA, &value, 1);
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}
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esp_err_t rp2040_read_buttons(RP2040* device, uint16_t* value) {
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if ((device->_fw_version < 0x01) && (device->_fw_version >= 0xFF)) return ESP_FAIL;
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return i2c_read_reg(device->i2c_bus, device->i2c_address, RP2040_REG_INPUT1, (uint8_t*) value, 2);
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}
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@ -1,158 +0,0 @@
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#pragma once
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#include <esp_err.h>
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#include <esp_log.h>
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#include <stdint.h>
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#include <freertos/FreeRTOS.h>
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#include <freertos/semphr.h>
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#include <freertos/task.h>
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#include <freertos/queue.h>
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enum {
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RP2040_REG_FW_VER = 0,
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RP2040_REG_GPIO_DIR,
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RP2040_REG_GPIO_IN,
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RP2040_REG_GPIO_OUT,
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RP2040_REG_LCD_BACKLIGHT,
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RP2040_REG_FPGA,
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RP2040_REG_INPUT1,
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RP2040_REG_INPUT2,
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RP2040_REG_INTERRUPT1,
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RP2040_REG_INTERRUPT2,
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RP2040_REG_ADC_TRIGGER,
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RP2040_REG_ADC_VALUE_VUSB1,
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RP2040_REG_ADC_VALUE_VUSB2,
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RP2040_REG_ADC_VALUE_VBAT1,
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RP2040_REG_ADC_VALUE_VBAT2,
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RP2040_REG_USB,
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RP2040_REG_BL_TRIGGER,
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RP2040_REG_SCRATCH0, // Used by the ESP32 to store boot parameters, can also be read and written to from WebUSB
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RP2040_REG_SCRATCH1,
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RP2040_REG_SCRATCH2,
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RP2040_REG_SCRATCH3,
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RP2040_REG_SCRATCH4,
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RP2040_REG_SCRATCH5,
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RP2040_REG_SCRATCH6,
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RP2040_REG_SCRATCH7,
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RP2040_REG_SCRATCH8,
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RP2040_REG_SCRATCH9,
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RP2040_REG_SCRATCH10,
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RP2040_REG_SCRATCH11,
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RP2040_REG_SCRATCH12,
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RP2040_REG_SCRATCH13,
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RP2040_REG_SCRATCH14,
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RP2040_REG_SCRATCH15,
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RP2040_REG_SCRATCH16,
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RP2040_REG_SCRATCH17,
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RP2040_REG_SCRATCH18,
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RP2040_REG_SCRATCH19,
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RP2040_REG_SCRATCH20,
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RP2040_REG_SCRATCH21,
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RP2040_REG_SCRATCH22,
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RP2040_REG_SCRATCH23,
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RP2040_REG_SCRATCH24,
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RP2040_REG_SCRATCH25,
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RP2040_REG_SCRATCH26,
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RP2040_REG_SCRATCH27,
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RP2040_REG_SCRATCH28,
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RP2040_REG_SCRATCH29,
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RP2040_REG_SCRATCH30,
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RP2040_REG_SCRATCH31,
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RP2040_REG_SCRATCH32,
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RP2040_REG_SCRATCH33,
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RP2040_REG_SCRATCH34,
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RP2040_REG_SCRATCH35,
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RP2040_REG_SCRATCH36,
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RP2040_REG_SCRATCH37,
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RP2040_REG_SCRATCH38,
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RP2040_REG_SCRATCH39,
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RP2040_REG_SCRATCH40,
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RP2040_REG_SCRATCH41,
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RP2040_REG_SCRATCH42,
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RP2040_REG_SCRATCH43,
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RP2040_REG_SCRATCH44,
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RP2040_REG_SCRATCH45,
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RP2040_REG_SCRATCH46,
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RP2040_REG_SCRATCH47,
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RP2040_REG_SCRATCH48,
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RP2040_REG_SCRATCH49,
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RP2040_REG_SCRATCH50,
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RP2040_REG_SCRATCH51,
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RP2040_REG_SCRATCH52,
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RP2040_REG_SCRATCH53,
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RP2040_REG_SCRATCH54,
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RP2040_REG_SCRATCH55,
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RP2040_REG_SCRATCH56,
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RP2040_REG_SCRATCH57,
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RP2040_REG_SCRATCH58,
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RP2040_REG_SCRATCH59,
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RP2040_REG_SCRATCH60,
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RP2040_REG_SCRATCH61,
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RP2040_REG_SCRATCH62,
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RP2040_REG_SCRATCH63
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};
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enum {
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RP2040_BL_REG_FW_VER,
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RP2040_BL_REG_BL_VER,
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RP2040_BL_REG_BL_STATE,
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RP2040_BL_REG_BL_CTRL
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};
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enum {
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RP2040_INPUT_BUTTON_HOME = 0,
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RP2040_INPUT_BUTTON_MENU,
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RP2040_INPUT_BUTTON_START,
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RP2040_INPUT_BUTTON_ACCEPT,
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RP2040_INPUT_BUTTON_BACK,
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RP2040_INPUT_FPGA_CDONE,
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RP2040_INPUT_BATTERY_CHARGING,
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RP2040_INPUT_BUTTON_SELECT,
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RP2040_INPUT_JOYSTICK_LEFT,
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RP2040_INPUT_JOYSTICK_PRESS,
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RP2040_INPUT_JOYSTICK_DOWN,
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RP2040_INPUT_JOYSTICK_UP,
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RP2040_INPUT_JOYSTICK_RIGHT
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};
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typedef void (*rp2040_intr_t)();
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typedef struct {
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int i2c_bus;
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int i2c_address;
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int pin_interrupt;
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xQueueHandle queue;
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rp2040_intr_t _intr_handler;
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TaskHandle_t _intr_task_handle;
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xSemaphoreHandle _intr_trigger;
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uint8_t _gpio_direction;
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uint8_t _gpio_value;
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uint8_t _fw_version;
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} RP2040;
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typedef struct _rp2040_input_message {
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uint8_t input;
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bool state;
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} rp2040_input_message_t;
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esp_err_t rp2040_init(RP2040* device);
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esp_err_t rp2040_get_firmware_version(RP2040* device, uint8_t* version);
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esp_err_t rp2040_get_bootloader_version(RP2040* device, uint8_t* version);
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esp_err_t rp2040_get_bootloader_state(RP2040* device, uint8_t* state);
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esp_err_t rp2040_set_bootloader_ctrl(RP2040* device, uint8_t action);
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esp_err_t rp2040_reboot_to_bootloader(RP2040* device);
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esp_err_t rp2040_get_gpio_dir(RP2040* device, uint8_t gpio, bool* direction);
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esp_err_t rp2040_set_gpio_dir(RP2040* device, uint8_t gpio, bool direction);
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esp_err_t rp2040_get_gpio_value(RP2040* device, uint8_t gpio, bool* value);
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esp_err_t rp2040_set_gpio_value(RP2040* device, uint8_t gpio, bool value);
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esp_err_t rp2040_get_lcd_backlight(RP2040* device, uint8_t* brightness);
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esp_err_t rp2040_set_lcd_backlight(RP2040* device, uint8_t brightness);
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esp_err_t rp2040_set_fpga(RP2040* device, bool enabled);
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esp_err_t rp2040_read_buttons(RP2040* device, uint16_t* value);
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1
components/mch2022-rp2040
Submodule
1
components/mch2022-rp2040
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@ -0,0 +1 @@
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Subproject commit 8ade81bcb3619cb57168a6c980726942e751873a
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