mirror of
https://github.com/ADElectronics/RTL00_WEB_VS.git
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275 lines
8.2 KiB
C
275 lines
8.2 KiB
C
/*
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* ina219buf.c
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*
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* Created on: 02/05/2017
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* Author: pvvx
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*/
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#include <platform_opts.h>
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#include "rtl8195a.h"
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#include "device.h"
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#include "PinNames.h"
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#include "basic_types.h"
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#include "diag.h"
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#include "osdep_api.h"
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//#include "i2c_api.h"
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//#include "i2c_ex_api.h"
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#include "pinmap.h"
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#include "rtl_lib.h"
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#include "ina219/ina219buf.h"
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#include "rtl8195a/rtl_libc.h"
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#include "driver/i2c_drv.h"
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INA219DRV ina219drv = {
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.addr = INA219_ADDRESS>>1,
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.config =
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INA219_CONFIG_BVOLTAGERANGE_16V | // INA219_CONFIG_BVOLTAGERANGE_32V
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INA219_CONFIG_GAIN_8_320MV | // INA219_CONFIG_GAIN_1_40MV |
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INA219_CONFIG_BADCRES_12BIT |
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INA219_CONFIG_SADCRES_12BIT_2S_1060US | // INA219_CONFIG_SADCRES_12BIT_128S_69MS |
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INA219_CONFIG_MODE_SANDBVOLT_CONTINUOUS,
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.calibration = 8192,
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.i2c.status = DRV_I2C_OFF,
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.i2c.idx = 1, // I2C1
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.i2c.io_sel = S0, // PC_4, PC_5
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.i2c.mode = DRV_I2C_FS_MODE // DRV_I2C_HS_MODE
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};
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void ina219_write(unsigned char reg, unsigned short data)
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{
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PINA219DRV p = &ina219drv;
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p->buf_i2c.uc[0] = reg;
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p->buf_i2c.uc[1] = (unsigned char)((unsigned short)(data >> 8));
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p->buf_i2c.uc[2] = (unsigned char)data;
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_i2c_write(&p->i2c, p->addr, (const char *)p->buf_i2c.uc, 3, 1);
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}
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unsigned int ina219_read(unsigned char reg)
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{
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PINA219DRV p = &ina219drv;
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p->buf_i2c.uc[0] = reg;
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_i2c_write(&p->i2c, p->addr, (const char *)p->buf_i2c.uc, 1, 1);
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p->buf_i2c.ui = 0;
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_i2c_read(&p->i2c, p->addr, (const char *)p->buf_i2c.uc, 2, 1);
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return (p->buf_i2c.uc[0] << 8) | p->buf_i2c.uc[1];
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}
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#define i2c_reg(r) *((volatile uint32 *)(pi2c->base_regs + r))
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/* Пример непрерывного чтения регистров
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* тока и напряжения IN219 по прерыванию таймера */
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void ina_tick_handler(void *par) {
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PINA219DRV p = &ina219drv;
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i2c_drv_t *pi2c = &p->i2c;
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switch(p->status) {
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default:
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// Disable controller.
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i2c_reg(REG_DW_I2C_IC_ENABLE) = 0;
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p->status = 1;
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break;
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case 1:
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// Master Target Address
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i2c_reg(REG_DW_I2C_IC_TAR) = p->addr;
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// Enable controller.
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i2c_reg(REG_DW_I2C_IC_ENABLE) = BIT_IC_ENABLE;
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p->status = 2;
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break;
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case 2:
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// Заполним FIFO ic I2C командами инициализации INA219
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// Write addr reg.
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i2c_reg(REG_DW_I2C_IC_DATA_CMD) = INA219_REG_CONFIG;
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i2c_reg(REG_DW_I2C_IC_DATA_CMD) = p->config >> 8;
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i2c_reg(REG_DW_I2C_IC_DATA_CMD) = (p->config & 0x0FF) | BIT_IC_DATA_CMD_STOP;
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i2c_reg(REG_DW_I2C_IC_DATA_CMD) = INA219_REG_CALIBRATION;
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i2c_reg(REG_DW_I2C_IC_DATA_CMD) = p->calibration >> 8;
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i2c_reg(REG_DW_I2C_IC_DATA_CMD) = (p->calibration & 0x0FF) | BIT_IC_DATA_CMD_STOP;
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//
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p->status = 3;
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break;
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case 4:
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if (i2c_reg(REG_DW_I2C_IC_RAW_INTR_STAT) & BIT_IC_RAW_INTR_STAT_TX_ABRT) {
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uint32 tmp = i2c_reg(REG_DW_I2C_IC_CLR_INTR);
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p->errs++;
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p->status = 0;
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break;
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} else {
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// Считаем готовые значения из FIFO ic I2C
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p->buf_i2c.uc[1] = i2c_reg(REG_DW_I2C_IC_DATA_CMD);
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p->buf_i2c.uc[0] = i2c_reg(REG_DW_I2C_IC_DATA_CMD);
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p->buf_i2c.uc[3] = i2c_reg(REG_DW_I2C_IC_DATA_CMD);
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p->buf_i2c.uc[2] = i2c_reg(REG_DW_I2C_IC_DATA_CMD);
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p->count++;
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}
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case 3:
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// Заполним FIFO ic I2C командами чтения
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// Write addr reg.
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i2c_reg(REG_DW_I2C_IC_DATA_CMD) = INA219_REG_BUSVOLTAGE | BIT_IC_DATA_CMD_STOP;
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// Read command.
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i2c_reg(REG_DW_I2C_IC_DATA_CMD) = BIT_IC_DATA_CMD_CMD;
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i2c_reg(REG_DW_I2C_IC_DATA_CMD) = BIT_IC_DATA_CMD_CMD | BIT_IC_DATA_CMD_STOP;
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// Write addr reg.
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i2c_reg(REG_DW_I2C_IC_DATA_CMD) = INA219_REG_SHUNTVOLTAGE | BIT_IC_DATA_CMD_STOP;
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// Read command.
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i2c_reg(REG_DW_I2C_IC_DATA_CMD) = BIT_IC_DATA_CMD_CMD;
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i2c_reg(REG_DW_I2C_IC_DATA_CMD) = BIT_IC_DATA_CMD_CMD | BIT_IC_DATA_CMD_STOP;
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p->status = 4;
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break;
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}
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}
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void ina219_init(void)
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{
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PINA219DRV p = &ina219drv;
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if(p->init <= 0) {
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rtl_printf("Init INA219\n");
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p->status = 0;
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p->count = 0;
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p->errs = 0;
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// (!) Установки драйвера I2C заданы в структуре ina219drv
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// rtl_printf("INA219 control reg = 0x%04x\n", p->config);
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// _i2c_setup(&p->i2c, INA219_I2C_PIN_SDA , INA219_I2C_PIN_SCL, DRV_I2C_FS_MODE); // == DRV_I2C_OK?
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_i2c_init(&p->i2c);
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// _i2c_set_speed(&p->i2c, INA219_I2C_BUS_CLK);
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rtl_printf("I2C%d mode = %d, drvStatus = %d\n", p->i2c.idx, p->i2c.mode, p->i2c.status);
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// (!) Инициализация INA219 перенесена в прерывание таймера
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// ina219_write(INA219_REG_CONFIG, p->config);
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// ina219_write(INA219_REG_CALIBRATION, p->calibration);
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// Initial a periodical timer
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gtimer_init(&p->timer, INA219_TIMER);
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// Tick every 0.000532 sec (N*532 μs)
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uint32 tus = 1 << ((p->config >> 3) & 7);
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tus *= 532;
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rtl_printf("INA219 Read Period = %u us\n", tus);
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gtimer_start_periodical(&p->timer, tus, (void*)ina_tick_handler, (uint32_t)&ina219drv);
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p->init = 1;
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}
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}
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void ina219_deinit(void)
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{
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PINA219DRV p = &ina219drv;
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i2c_drv_t *pi2c = &p->i2c;
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if(p->init > 0) {
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rtl_printf("Deinit INA219\n");
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gtimer_stop(&p->timer);
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gtimer_deinit(&p->timer);
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// (!) Не используется ina219_write / ina219_read для сокращения кода
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// ina219_write(INA219_REG_CONFIG, INA219_CONFIG_MODE_POWERDOWN);
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// Break controller.
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i2c_reg(REG_DW_I2C_IC_ENABLE) |= 2;
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vTaskDelay(2); // +WDT
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// Disable controller.
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i2c_reg(REG_DW_I2C_IC_ENABLE) = 0;
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vTaskDelay(2); // +WDT
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// Master Target Address
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i2c_reg(REG_DW_I2C_IC_TAR) = p->addr;
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// Enable controller.
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i2c_reg(REG_DW_I2C_IC_ENABLE) = BIT_IC_ENABLE;
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// Заполним FIFO ic I2C командой отключения INA219
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vTaskDelay(2); // +WDT
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// Write addr reg. INA219 POWER_DOWN
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i2c_reg(REG_DW_I2C_IC_DATA_CMD) = INA219_REG_CONFIG;
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i2c_reg(REG_DW_I2C_IC_DATA_CMD) = (INA219_CONFIG_MODE_POWERDOWN >> 8);
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i2c_reg(REG_DW_I2C_IC_DATA_CMD) = (INA219_CONFIG_MODE_POWERDOWN & 0x0F) | BIT_IC_DATA_CMD_STOP;
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vTaskDelay(2); // +WDT
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_i2c_deinit(&p->i2c);
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}
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p->init = -1;
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}
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static void ShowIna(void)
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{
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PINA219DRV p = &ina219drv;
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rtl_printf("INA219: %d, %d\n", p->buf_i2c.us[0], p->buf_i2c.ss[1]);
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rtl_printf("INA219: Cnt = %u, Err = %u\n", p->count, p->errs);
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}
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static void fATINA(int argc, char *argv[])
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{
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if(argc > 1) {
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if(atoi(argv[1])) {
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ina219_init();
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vTaskDelay(10); // +WDT
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}
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else ina219_deinit();
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}
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ShowIna();
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}
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extern void dump_bytes(uint32 addr, int size);
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extern uint32 hextoul(uint8 *s);
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i2c_drv_t ti2c;
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/* Sample:
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* ati2c i
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* ati2c w 40 5
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* ati2c r 40 2
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*/
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static void fATI2C(int argc, char *argv[])
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{
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i2c_drv_t *pi2c = &ti2c;
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uint8 buf[32];
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if(argc > 1) {
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if(argv[1][0] == 'i') {
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if(!pi2c->status) {
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uint8 sda = 0;
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uint8 scl = 0;
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uint8 mode = 0;
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uint32 speed = 0;
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if(argc > 2) sda = hextoul(argv[2]);
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else if(argc > 3) scl = hextoul(argv[3]);
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else if(argc > 4) mode = hextoul(argv[4]);
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else if(argc > 5) speed = hextoul(argv[5]);
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if(!sda) sda = PC_4;
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if(!scl) scl = PC_5;
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if(!mode) mode = DRV_I2C_FS_MODE;
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if(!speed) speed = 400000;
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if(_i2c_setup(pi2c, sda, scl, mode) == DRV_I2C_OK
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&& _i2c_init(pi2c) == DRV_I2C_OK
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&& _i2c_set_speed(pi2c, speed) == DRV_I2C_OK) {
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rtl_printf("I2C%d Init\n", pi2c->idx);
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};
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} else {
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rtl_printf("Already init!\n");
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return;
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};
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} else {
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if(pi2c->status) {
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if(argv[1][0] == 'd') {
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_i2c_ic_off(pi2c);
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rtl_printf("I2C%d DeInit\n", pi2c->idx);
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return;
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};
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int i;
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for(i = 0; i + 2 < argc; i++) {
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buf[i] = hextoul(argv[i+2]);
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};
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if(i) {
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if(argv[1][0] == 'w') {
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_i2c_write(pi2c, buf[0], &buf[1], i-1, 1);
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rtl_printf("I2C%d write[%d]:\n", pi2c->idx, i-1);
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dump_bytes(&buf[0], i);
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}
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else if(argv[1][0] == 'r') {
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i = buf[1];
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if(i > sizeof(buf) - 1) i = sizeof(buf) - 1;
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_i2c_read(pi2c, buf[0], &buf[1], i, 1);
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rtl_printf("I2C%d read[%d]:\n", pi2c->idx, i);
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dump_bytes(&buf[0], i+1);
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};
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};
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};
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};
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};
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rtl_printf("I2C%d drvStatus = %d\n", pi2c->idx, pi2c->status);
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return;
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}
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MON_RAM_TAB_SECTION COMMAND_TABLE console_commands_ina219[] = {
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{"ATI2C", 0, fATI2C, ": Test I2C, <i>nit, <d>einit, <w>rite, <r>ead"},
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{"ATINA", 0, fATINA, "=[0/1]: INA219 =1 start, =0 stop"}
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};
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