diff options
Diffstat (limited to 'software/drivers/board_rev_B.cpp')
| -rw-r--r-- | software/drivers/board_rev_B.cpp | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/software/drivers/board_rev_B.cpp b/software/drivers/board_rev_B.cpp new file mode 100644 index 0000000..da2b00e --- /dev/null +++ b/software/drivers/board_rev_B.cpp @@ -0,0 +1,117 @@ +/* + * board_rev_B.cpp + * + * Created on: 26.02.2022 + * Author: michi + * SPDX-FileCopyrightText: 2022 MDC Service <info@mdc-service.de> + * SPDX-License-Identifier: GPL-3.0-or-later + */ + + +#include <stdio.h> +#include <string.h> +#include <stdlib.h> +#include "freertos/FreeRTOS.h" +#include "freertos/task.h" +#include "freertos/queue.h" +#include "driver/gpio.h" +#include "driver/i2c.h" +#include "schrank_ant_pcb.h" //contains setting of board revision + +#ifdef ESP32_BOARD_REV_B +#include "board_rev_B.hpp" + +/** + * io_init: initalize Rev. B boards + * + */ + +void io_init(void) +{ + #define GPO_BIT_MASK 0 //we dont have GPIO as outputs, all output is done via I2C Port Expander +/* as we have not ouput, leave default settings + gpio_config_t o_conf; + o_conf.intr_type = GPIO_INTR_DISABLE; + o_conf.mode = GPIO_MODE_OUTPUT; + o_conf.pin_bit_mask = GPO_BIT_MASK; + o_conf.pull_down_en = GPIO_PULLDOWN_ENABLE; + o_conf.pull_up_en = GPIO_PULLUP_DISABLE; + gpio_config(&o_conf); +*/ + //gpio_set_level((gpio_num_t) PHY_PWR, 1); + + // inputs + + #define IRQ2Esp 34 + #define I2Cext_INT 35 + #define GPI_BIT_MASK ((1ULL<<IRQ2Esp) | (1ULL<<I2Cext_INT)) + //io_conf.pin_bit_mask = (1ULL<<15);//bit mask of the pins that you want to set,e.g.GPIO15 + gpio_config_t i_conf; + i_conf.intr_type = GPIO_INTR_DISABLE; + i_conf.mode = GPIO_MODE_INPUT; + i_conf.pin_bit_mask = GPI_BIT_MASK; + i_conf.pull_down_en = GPIO_PULLDOWN_DISABLE; + i_conf.pull_up_en = GPIO_PULLUP_DISABLE; + gpio_config(&i_conf); + +} + + + + +esp_err_t i2c_init(void) { + int res1,res2; + int I2C_master_port = I2C_MASTER_NUM; + uint8_t I2C_buf[5]; + i2c_config_t I2C_conf = { .mode = I2C_MODE_MASTER, .sda_io_num = I2C_MASTER_SDA_IO, .scl_io_num = I2C_MASTER_SCL_IO, .sda_pullup_en = GPIO_PULLUP_ENABLE, .scl_pullup_en = GPIO_PULLUP_ENABLE, .master { .clk_speed = I2C_MASTER_FREQ_HZ, } }; + i2c_param_config(I2C_master_port, &I2C_conf); + + printf("\nInstall i2c_driver: Mode=%d sda_io_num=%d scl_io_num=%d\n", I2C_MODE_MASTER, I2C_MASTER_SDA_IO, I2C_MASTER_SCL_IO); + res1=i2c_driver_install(I2C_master_port, I2C_conf.mode, + I2C_MASTER_RX_BUF_DISABLE, I2C_MASTER_TX_BUF_DISABLE, 0); + ESP_ERROR_CHECK_WITHOUT_ABORT(res1); + printf("After i2c_driver_install\n"); + vTaskDelay(500 / portTICK_PERIOD_MS); + +//1. Init AW9523 on address 0x00 + I2C_buf[0] = 0x7F; // write to AW9523 Soft Reset register + I2C_buf[1] = 0x00; // write data to output port 1 + I2C_buf[2] = 0x00; // write data to output port 1 + printf("I2C write to bus %d to I2C-Adress %d byte0 = %d byte 1 = %d\n", I2C_MASTER_NUM, I2C_PORTEXP1, I2C_buf[0], I2C_buf[1] ); + res1 = i2c_master_write_to_device(I2C_MASTER_NUM, I2C_PORTEXP1, I2C_buf, 3, I2C_MASTER_TIMEOUT_MS / portTICK_PERIOD_MS); + printf("I2C write to bus %d to I2C-Adress %d byte0 = %d byte 1 = %d\n", I2C_MASTER_NUM, I2C_PORTEXP2, I2C_buf[0], I2C_buf[1] ); + res2 = i2c_master_write_to_device(I2C_MASTER_NUM, I2C_PORTEXP2, I2C_buf, 3, I2C_MASTER_TIMEOUT_MS / portTICK_PERIOD_MS); + printf("\nMaster wrote %d %d %02X\n", res1,res2,I2C_buf[0]); + printf("After AW9523 soft-RESET\n"); + vTaskDelay(500 / portTICK_PERIOD_MS); + +//2. Set outputs push pull in AW9523 Global Control Register + I2C_buf[0] = 0x11; // write data to Global Control Register + I2C_buf[1] = 0x10; // write data to Global Control Register, set Bit4 to Push Pull + res1 = i2c_master_write_to_device(I2C_MASTER_NUM, I2C_PORTEXP1, I2C_buf, 2, I2C_MASTER_TIMEOUT_MS / portTICK_PERIOD_MS); + res2 = i2c_master_write_to_device(I2C_MASTER_NUM, I2C_PORTEXP2, I2C_buf, 2, I2C_MASTER_TIMEOUT_MS / portTICK_PERIOD_MS); + printf("\nMaster wrote %d %d %02X\n", res1,res2,I2C_buf[0]); + + I2C_buf[0] = 0x02; // write data to output port 1 + I2C_buf[1] = 0xFF; // write data to output port 1 + I2C_buf[2] = 0xFF; // write data to output port 1 + I2C_buf[3] = 0x00; // write data to output port 1 + I2C_buf[4] = 0x00; // write data to output port 1 + res1 = i2c_master_write_to_device(I2C_MASTER_NUM, I2C_PORTEXP1, I2C_buf, 5, I2C_MASTER_TIMEOUT_MS / portTICK_PERIOD_MS); + res2 = i2c_master_write_to_device(I2C_MASTER_NUM, I2C_PORTEXP2, I2C_buf, 5, I2C_MASTER_TIMEOUT_MS / portTICK_PERIOD_MS); + printf("\nMaster wrote %d %d %02X\n", res1,res2,I2C_buf[0]); + printf("After AW9523 all GPIOs HIGH\n"); + vTaskDelay(500 / portTICK_PERIOD_MS); + + + +//2. Set AW9523-PhyPower to high +/* I2C_buf[0] = 0x02; // write to register 0x02 + I2C_buf[1] = 255; // set all pins high + I2C_buf[2] = 255; // set all pins high + res1 = i2c_master_write_to_device(I2C_MASTER_NUM, I2C_PORTEXP2, I2C_buf, 3, I2C_MASTER_TIMEOUT_MS / portTICK_PERIOD_MS); +*/ + return res1; +} + +#endif |