initial commit

project/ble_peripheral/ble_app_vivaMayo/cat_i2c.c

@@ -0,0 +1,163 @@
+/*******************************************************************************
+ * @file	cat_i2c.c
+ * @brief   
+ ******************************************************************************/
+
+#include <stdio.h>
+#include <string.h>
+#include <stdarg.h>
+
+#include <stdbool.h>
+#include "nrf.h"
+#include "app_error.h"
+#include "boards.h"
+#include "nrfx_gpiote.h"
+#include "nrfx_twi.h"
+#include "nrf_drv_twi.h"
+
+#include "nrf_delay.h"
+#include "cat_i2c.h"
+
+
+
+#define CAT_I2C_ADDR     	0x50			
+#define MAX_SERIAL_WRITE 16
+
+//int16_t read_from_DS3930 = 0;
+//uint16_t data_160_to_write = 0;
+//static volatile bool m_xfer_done = false;
+
+/* TWI instance. */
+//const nrfx_twi_t m_twi_ir = NRFX_TWI_INSTANCE(IR_I2C_INSTANCE);
+const nrf_drv_twi_t m_twi_cat = NRF_DRV_TWI_INSTANCE (CAT_I2C_INSTANCE);               
+//void twi_handler(nrfx_twi_evt_t const * p_event, void * p_context)
+//{
+//	m_xfer_done = true;
+//}
+//void ir_irq_init(void){
+//    ret_code_t err_code;
+
+//	/* Initialize int pin */
+//	if (!nrfx_gpiote_is_init())
+//	{
+//	  err_code = nrfx_gpiote_init();
+//	  APP_ERROR_CHECK(err_code);
+//	}
+
+//    nrfx_gpiote_in_config_t in_config = NRFX_GPIOTE_CONFIG_IN_SENSE_LOTOHI(true);
+//    in_config.pull = NRF_GPIO_PIN_PULLDOWN;
+
+//    err_code = nrfx_gpiote_in_init(ADA2200_SYNCO_PIN, &in_config, NULL);
+//    APP_ERROR_CHECK(err_code);
+
+//    nrfx_gpiote_in_event_enable(ADA2200_SYNCO_PIN, true);
+//}
+
+
+//void ir_irq_uninit(void){
+
+//	nrfx_gpiote_in_event_disable(ADA2200_SYNCO_PIN);
+//	nrfx_gpiote_in_uninit(ADA2200_SYNCO_PIN);
+//}
+void cat_i2c_uninit(void){
+    nrf_drv_twi_disable(&m_twi_cat);
+    nrf_drv_twi_uninit(&m_twi_cat);
+//    
+}
+
+
+void cat_i2c_init(void){
+    ret_code_t err_code;
+
+    const nrf_drv_twi_config_t twi_cat_config = {
+       .scl                = CAT_I2C_SCL_PIN,
+       .sda                = CAT_I2C_SDA_PIN,
+       .frequency          = NRF_DRV_TWI_FREQ_100K,
+       .interrupt_priority = APP_IRQ_PRIORITY_HIGH,
+			 .clear_bus_init     = false
+    };
+
+    err_code = nrf_drv_twi_init(&m_twi_cat, &twi_cat_config, NULL, NULL);
+    APP_ERROR_CHECK(err_code);
+
+    nrf_drv_twi_enable(&m_twi_cat);
+//		ir_irq_init();
+}
+
+
+
+
+uint8_t cat_command_read(uint8_t device_id, uint8_t address, uint8_t *data)
+{
+		uint8_t read_data = 0;
+		char adata[8];
+		 ret_code_t err_code;
+    //address = 1|(address<<1);
+    address = (address & 0xFF);
+    err_code = nrf_drv_twi_tx(&m_twi_cat, device_id, &address, 1, true);
+    if (err_code != NRF_SUCCESS) {
+        // Handle error
+       // return;
+    }
+
+    err_code = nrf_drv_twi_rx(&m_twi_cat, device_id, data, 8);
+    if (err_code != NRF_SUCCESS) {
+        // Handle error
+        return 0;
+    }
+		read_data = data[0];
+		memcpy(adata,data,8);
+		printf("Data %s  . \r\n", adata);
+		 return read_data;
+}
+
+
+	
+
+
+
+void cat_command_write(uint8_t device_id, uint8_t address, uint8_t *data)
+{
+	//uint16_t data_to_write = 0;
+
+	uint8_t buffer[9]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
+	
+    address = (address & 0xFF);
+		
+    //buffer[0] = 0x00;
+    buffer[0] = (address);
+//		buffer[1] =(data & 0xFF);
+//		buffer[2] = data1+1;
+//		buffer[3] = data1+2;
+//		buffer[4] = data1+3;
+//		buffer[5] = data1+4;
+//		buffer[6] = data1+5;
+    memcpy(&buffer[1], data, 8 );
+		
+			
+    ret_code_t err_code;
+		//err_code = nrf_drv_twi_tx(&m_twi_ir, device_id, 0x00, 1, false);
+		
+    err_code = nrf_drv_twi_tx(&m_twi_cat, device_id, buffer, 9, false);
+	
+			
+		printf("Data %x  %x    %x   %x. \r\n", buffer[0], buffer[1], buffer[2], buffer[3]);
+		printf("Data %s. \r\n", buffer);
+	
+		//err_code = nrf_drv_twi_tx(&m_twi_ir, device_id, buffer, 6, false);
+    if (err_code != NRF_SUCCESS) {
+        
+        printf("TWI  Error.\r\n");
+           
+     
+    }
+
+}
+
+
+
+
+
+
+
+