a8ba31871e
- BLE peripheral applications - dr_piezo and bladder_patch projects Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
164 lines
3.8 KiB
C
164 lines
3.8 KiB
C
/*******************************************************************************
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* @file cat_i2c.c
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* @brief
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******************************************************************************/
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#include <stdio.h>
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#include <string.h>
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#include <stdarg.h>
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#include <stdbool.h>
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#include "nrf.h"
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#include "app_error.h"
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#include "boards.h"
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#include "nrfx_gpiote.h"
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#include "nrfx_twi.h"
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#include "nrf_drv_twi.h"
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#include "nrf_delay.h"
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#include "cat_i2c.h"
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#define CAT_I2C_ADDR 0x50
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#define MAX_SERIAL_WRITE 16
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//int16_t read_from_DS3930 = 0;
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//uint16_t data_160_to_write = 0;
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//static volatile bool m_xfer_done = false;
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/* TWI instance. */
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//const nrfx_twi_t m_twi_ir = NRFX_TWI_INSTANCE(IR_I2C_INSTANCE);
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const nrf_drv_twi_t m_twi_cat = NRF_DRV_TWI_INSTANCE (CAT_I2C_INSTANCE);
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//void twi_handler(nrfx_twi_evt_t const * p_event, void * p_context)
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//{
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// m_xfer_done = true;
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//}
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//void ir_irq_init(void){
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// ret_code_t err_code;
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// /* Initialize int pin */
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// if (!nrfx_gpiote_is_init())
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// {
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// err_code = nrfx_gpiote_init();
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// APP_ERROR_CHECK(err_code);
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// }
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// nrfx_gpiote_in_config_t in_config = NRFX_GPIOTE_CONFIG_IN_SENSE_LOTOHI(true);
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// in_config.pull = NRF_GPIO_PIN_PULLDOWN;
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// err_code = nrfx_gpiote_in_init(ADA2200_SYNCO_PIN, &in_config, NULL);
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// APP_ERROR_CHECK(err_code);
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// nrfx_gpiote_in_event_enable(ADA2200_SYNCO_PIN, true);
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//}
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//void ir_irq_uninit(void){
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// nrfx_gpiote_in_event_disable(ADA2200_SYNCO_PIN);
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// nrfx_gpiote_in_uninit(ADA2200_SYNCO_PIN);
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//}
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void cat_i2c_uninit(void){
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nrf_drv_twi_disable(&m_twi_cat);
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nrf_drv_twi_uninit(&m_twi_cat);
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//
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}
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void cat_i2c_init(void){
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ret_code_t err_code;
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const nrf_drv_twi_config_t twi_cat_config = {
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.scl = CAT_I2C_SCL_PIN,
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.sda = CAT_I2C_SDA_PIN,
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.frequency = NRF_DRV_TWI_FREQ_100K,
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.interrupt_priority = APP_IRQ_PRIORITY_HIGH,
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.clear_bus_init = false
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};
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err_code = nrf_drv_twi_init(&m_twi_cat, &twi_cat_config, NULL, NULL);
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APP_ERROR_CHECK(err_code);
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nrf_drv_twi_enable(&m_twi_cat);
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// ir_irq_init();
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}
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uint8_t cat_command_read(uint8_t device_id, uint8_t address, uint8_t *data)
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{
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uint8_t read_data = 0;
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char adata[8];
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ret_code_t err_code;
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//address = 1|(address<<1);
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address = (address & 0xFF);
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err_code = nrf_drv_twi_tx(&m_twi_cat, device_id, &address, 1, true);
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if (err_code != NRF_SUCCESS) {
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// Handle error
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// return;
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}
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err_code = nrf_drv_twi_rx(&m_twi_cat, device_id, data, 8);
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if (err_code != NRF_SUCCESS) {
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// Handle error
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return 0;
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}
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read_data = data[0];
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memcpy(adata,data,8);
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printf("Data %s . \r\n", adata);
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return read_data;
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}
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void cat_command_write(uint8_t device_id, uint8_t address, uint8_t *data)
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{
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//uint16_t data_to_write = 0;
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uint8_t buffer[9]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
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address = (address & 0xFF);
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//buffer[0] = 0x00;
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buffer[0] = (address);
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// buffer[1] =(data & 0xFF);
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// buffer[2] = data1+1;
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// buffer[3] = data1+2;
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// buffer[4] = data1+3;
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// buffer[5] = data1+4;
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// buffer[6] = data1+5;
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memcpy(&buffer[1], data, 8 );
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ret_code_t err_code;
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//err_code = nrf_drv_twi_tx(&m_twi_ir, device_id, 0x00, 1, false);
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err_code = nrf_drv_twi_tx(&m_twi_cat, device_id, buffer, 9, false);
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printf("Data %x %x %x %x. \r\n", buffer[0], buffer[1], buffer[2], buffer[3]);
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printf("Data %s. \r\n", buffer);
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//err_code = nrf_drv_twi_tx(&m_twi_ir, device_id, buffer, 6, false);
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if (err_code != NRF_SUCCESS) {
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printf("TWI Error.\r\n");
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}
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}
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