1 /*
2 * Copyright (c) 2022 HiSilicon (Shanghai) Technologies CO., LIMITED.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 #include "ssd1306_oled.h"
17 #include "c081_nfc.h"
18 #include "iot_i2c.h"
19 #include "ohos_init.h"
20 #include "cmsis_os2.h"
21 #include "iot_gpio.h"
22 #include "iot_gpio_ex.h"
23 #include "app_demo_config.h"
24
25 unsigned char readReg = 0;
26 #define SEND_CMD_LEN (2)
27 #define NFC_TASK_SLEEP_1MS (1)
28
29 /* i2c read */
WriteRead(unsigned char regHigh8bitCmd,unsigned char regLow8bitCmd,unsigned char * recvData,unsigned char sendLen,unsigned char readLen)30 unsigned int WriteRead(unsigned char regHigh8bitCmd, unsigned char regLow8bitCmd,
31 unsigned char* recvData, unsigned char sendLen, unsigned char readLen)
32 {
33 IotI2cData co8iNfcI2cReadData = {0};
34 IotI2cData c081NfcI2cWriteCmdAddr = {0};
35
36 unsigned char sendUserCmd[SEND_CMD_LEN] = {regHigh8bitCmd, regLow8bitCmd};
37 (void)memset_s(&co8iNfcI2cReadData, sizeof(IotI2cData), 0x0, sizeof(IotI2cData));
38
39 c081NfcI2cWriteCmdAddr.sendBuf = sendUserCmd;
40 c081NfcI2cWriteCmdAddr.sendLen = sendLen;
41 co8iNfcI2cReadData.receiveBuf = recvData;
42 co8iNfcI2cReadData.receiveLen = readLen;
43
44 readReg = NFC_CLEAN; // 消除stop信号
45
46 IoTI2cWrite(IOT_I2C_IDX_0, C081_NFC_ADDR & 0xFE,
47 c081NfcI2cWriteCmdAddr.sendBuf, c081NfcI2cWriteCmdAddr.sendLen);
48
49 IoTI2cRead(IOT_I2C_IDX_0, C081_NFC_ADDR | I2C_RD,
50 co8iNfcI2cReadData.receiveBuf, co8iNfcI2cReadData.receiveLen);
51 return 0;
52 }
53
54 #define EEPROM_CMD_1 (0x3B1)
55 #define EEPROM_CMD_2 (0x3B5)
56 #define SEND_EEPROM_CMD_LEN (1)
57 #define SEND_EEPROM_DATA_1 (1)
58 #define SEND_EEPROM_DATA_2 (3)
59
60 /* NFC 芯片配置 ,平时不要调用 NFC init */
NfcInit(void)61 void NfcInit(void)
62 {
63 // uint8_t wbuf[5]={0x05,0x72,0xF7,0x60,0x02}; // 芯片默认配置
64 unsigned char wBuf[5] = {0x05, 0x78, 0xF7, 0x90, 0x02}; // 芯片默认配置
65 /* 读取字节的时候屏蔽csn引脚,写eep的时候打开 */
66 IoSetFunc(IOT_IO_NAME_GPIO9, IOT_IO_FUNC_GPIO_9_GPIO);
67 IoTGpioSetDir(IOT_GPIO_IDX_9, IOT_GPIO_DIR_OUT);
68 IoTGpioSetOutputVal(IOT_IO_NAME_GPIO9, IOT_GPIO_VALUE0);
69
70 Fm11WriteEep(EEPROM_CMD_1, SEND_EEPROM_CMD_LEN, &wBuf[SEND_EEPROM_DATA_1]); /* send EEPROM cmd */
71 Fm11WriteEep(EEPROM_CMD_2, SEND_EEPROM_CMD_LEN, &wBuf[SEND_EEPROM_DATA_2]); /* send EEPROM cmd */
72 }
73
NfcTask(const char * param)74 void *NfcTask(const char* param)
75 {
76 (void) param;
77 IoTGpioInit(IOT_IO_NAME_GPIO_13);
78 IoSetFunc(IOT_IO_NAME_GPIO_13, IOT_IO_FUNC_GPIO_13_I2C0_SDA);
79 IoTGpioInit(IOT_IO_NAME_GPIO_14);
80 IoSetFunc(IOT_IO_NAME_GPIO_14, IOT_IO_FUNC_GPIO_14_I2C0_SCL);
81
82 IoTI2cInit(IOT_I2C_IDX_0, HI_I2C_IDX_BAUDRATE); // baud 400k
83 IoTI2cSetBaudrate(IOT_I2C_IDX_0, HI_I2C_IDX_BAUDRATE);
84 printf("nfc task\r\n");
85 NfcRead();
86 }
87
88 /* c08i nfc task */
NfcExampleEntry(void)89 void NfcExampleEntry(void)
90 {
91 osThreadAttr_t attr = {0};
92
93 attr.stack_size = C08I_NFC_DEMO_TASK_STAK_SIZE;
94 attr.priority = C08I_NFC_TASK_PRIORITY;
95 attr.name = "nfcTask";
96 attr.attr_bits = 0U;
97 attr.cb_mem = NULL;
98 attr.cb_size = 0U;
99 attr.stack_mem = NULL;
100
101 if (osThreadNew((osThreadFunc_t)NfcTask, NULL, &attr) == NULL) {
102 printf("[nfcExample] Failed to create LedTask!\n");
103 }
104 }
105
106 SYS_RUN(NfcExampleEntry);
107
108 /* nfc display */
AppNfcDisplay(char * param)109 void *AppNfcDisplay(char* param)
110 {
111 for (; ;) {
112 OledNfcDisplay();
113 TaskMsleep(NFC_TASK_SLEEP_1MS);
114 }
115 }
116
117 /* nfc display task */
NfcDisplayExampleEntry(void)118 void NfcDisplayExampleEntry(void)
119 {
120 osThreadAttr_t attr = {0};
121 attr.stack_size = NFC_DISPLAY_TASK_STAK_SIZE;
122 attr.priority = C08I_NFC_DEMO_TASK_PRIORITY;
123 attr.name = "app_nfc_display";
124 attr.attr_bits = 0U;
125 attr.cb_mem = NULL;
126 attr.cb_size = 0U;
127 attr.stack_mem = NULL;
128 if (osThreadNew((osThreadFunc_t)AppNfcDisplay, NULL, &attr) == NULL) {
129 printf("[nfcDisplayExampleEntry] Failed to create LedTask!\n");
130 }
131 }
132
133 SYS_RUN(NfcDisplayExampleEntry);