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comparison Small_CPU/Src/i2c.c @ 104:22a1094545f3 kittz

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Tested and alive.
author Dmitry Romanov <kitt@bk.ru>
date Mon, 24 Dec 2018 16:15:02 +0300
parents b364c75005bb
children e9cce686fe41
comparison
equal deleted inserted replaced
103:f5d2f02dc73f 104:22a1094545f3
67 67
68 HAL_StatusTypeDef MX_I2C1_Init(void) 68 HAL_StatusTypeDef MX_I2C1_Init(void)
69 { 69 {
70 I2cHandle.Instance = I2Cx; 70 I2cHandle.Instance = I2Cx;
71 I2cHandle.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT; 71 I2cHandle.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT;
72 I2cHandle.Init.ClockSpeed = 400000;//400000; 72 I2cHandle.Init.ClockSpeed = 100000;//400000; REDUCED for compatibility with HMC5583L + MMA8452Q
73 I2cHandle.Init.DualAddressMode = I2C_DUALADDRESS_DISABLED; 73 I2cHandle.Init.DualAddressMode = I2C_DUALADDRESS_DISABLED;
74 I2cHandle.Init.DutyCycle = I2C_DUTYCYCLE_16_9; 74 I2cHandle.Init.DutyCycle = I2C_DUTYCYCLE_2;
75 I2cHandle.Init.GeneralCallMode = I2C_GENERALCALL_DISABLED; 75 I2cHandle.Init.GeneralCallMode = I2C_GENERALCALL_DISABLED;
76 I2cHandle.Init.NoStretchMode = I2C_NOSTRETCH_DISABLED; 76 I2cHandle.Init.NoStretchMode = I2C_NOSTRETCH_DISABLED;
77 I2cHandle.Init.OwnAddress1 = 0x01; 77 I2cHandle.Init.OwnAddress1 = 0x01;
78 78
79 global.dataSendToSlaveStopEval = 1; 79 global.dataSendToSlaveStopEval = 1;
118 if(global.I2C_SystemStatus != HAL_OK) 118 if(global.I2C_SystemStatus != HAL_OK)
119 { 119 {
120 I2C_Error_count(); 120 I2C_Error_count();
121 } 121 }
122 global.dataSendToSlaveStopEval = 0; 122 global.dataSendToSlaveStopEval = 0;
123 //TODO: REMOVE.
123 // if(global.dataSendToSlavePending) 124 // if(global.dataSendToSlavePending)
124 // { 125 // {
125 // scheduleSpecial_Evaluate_DataSendToSlave(); 126 // scheduleSpecial_Evaluate_DataSendToSlave();
126 // } 127 // }
127 return (HAL_StatusTypeDef)global.I2C_SystemStatus; 128 return (HAL_StatusTypeDef)global.I2C_SystemStatus;
134 return (HAL_StatusTypeDef)(global.I2C_SystemStatus & 0x03); 135 return (HAL_StatusTypeDef)(global.I2C_SystemStatus & 0x03);
135 136
136 137
137 global.dataSendToSlaveStopEval = 1; 138 global.dataSendToSlaveStopEval = 1;
138 139
139 global.I2C_SystemStatus = HAL_I2C_Master_Transmit(&I2cHandle, DevAddress, pData, Size, 100 /*FIXME , 1*/); 140 global.I2C_SystemStatus = HAL_I2C_Master_Transmit(&I2cHandle, DevAddress, pData, Size,100 /*FIXME , 1*/);
140 if(global.I2C_SystemStatus != HAL_OK) 141 if(global.I2C_SystemStatus != HAL_OK)
141 { 142 {
142 I2C_Error_count(); 143 I2C_Error_count();
143 } 144 }
144 145
145 global.dataSendToSlaveStopEval = 0; 146 global.dataSendToSlaveStopEval = 0;
147 //TODO: REMOVE.
146 // if(global.dataSendToSlavePending) 148 // if(global.dataSendToSlavePending)
147 // { 149 // {
148 // scheduleSpecial_Evaluate_DataSendToSlave(); 150 // scheduleSpecial_Evaluate_DataSendToSlave();
149 // } 151 // }
150 152
159 161
160 uint8_t localHALstatusReturn = 0xFF; 162 uint8_t localHALstatusReturn = 0xFF;
161 163
162 global.dataSendToSlaveStopEval = 1; 164 global.dataSendToSlaveStopEval = 1;
163 165
164 localHALstatusReturn = HAL_I2C_Master_Receive(&I2cHandle, DevAddress, pData, Size, 100); 166 localHALstatusReturn = HAL_I2C_Master_Receive(&I2cHandle, DevAddress, pData, Size, 10);
165 if(localHALstatusReturn != HAL_OK) 167 if(localHALstatusReturn != HAL_OK)
166 { 168 {
167 I2C_Error_count(); 169 I2C_Error_count();
168 } 170 }
169 171
170 global.dataSendToSlaveStopEval = 0; 172 global.dataSendToSlaveStopEval = 0;
173 //TODO: REMOVE.
171 // if(global.dataSendToSlavePending) 174 // if(global.dataSendToSlavePending)
172 // { 175 // {
173 // scheduleSpecial_Evaluate_DataSendToSlave(); 176 // scheduleSpecial_Evaluate_DataSendToSlave();
174 // } 177 // }
175 178