Mercurial > public > ostc4
view Small_CPU/Src/i2c.c @ 175:9da7dd50e2ec max-depth
cleanup: remove unused code
as found while fixing the max depth bug.
Signed-off-by: Jan Mulder <jlmulder@xs4all.nl>
author | Jan Mulder <jlmulder@xs4all.nl> |
---|---|
date | Mon, 11 Mar 2019 19:57:51 +0100 |
parents | e9cce686fe41 |
children | 7e749084f347 |
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#include "baseCPU2.h" #include "i2c.h" #include "scheduler.h" /* Private typedef -----------------------------------------------------------*/ /* Private define ------------------------------------------------------------*/ /* Private macro -------------------------------------------------------------*/ // =============================================================================== // I2C addresses - see i2c.h // =============================================================================== I2C_HandleTypeDef I2cHandle; /* static void I2C_Error_Handler(void) { while(1) { } } */ HAL_StatusTypeDef I2C1_Status(void) { return (HAL_StatusTypeDef)global.I2C_SystemStatus; } GPIO_PinState HAL_I2C_Read_Data_PIN(void) { return HAL_GPIO_ReadPin(I2Cx_SDA_GPIO_PORT,I2Cx_SDA_PIN); } void HAL_I2C_Send_One_CLOCK(void) { HAL_GPIO_WritePin(I2Cx_SCL_GPIO_PORT, I2Cx_SCL_PIN, GPIO_PIN_RESET); HAL_Delay(10); HAL_GPIO_WritePin(I2Cx_SCL_GPIO_PORT, I2Cx_SCL_PIN, GPIO_PIN_SET); HAL_Delay(10); } GPIO_PinState MX_I2C1_TestAndClear(void) { I2C_DeInit(); HAL_I2C_ManualControl_MspInit(); for(int i=0; i<9;i++) { if(HAL_I2C_Read_Data_PIN() == GPIO_PIN_RESET) HAL_I2C_Send_One_CLOCK(); else break; } return HAL_I2C_Read_Data_PIN(); } HAL_StatusTypeDef MX_I2C1_Init(void) { I2cHandle.Instance = I2Cx; I2cHandle.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT; I2cHandle.Init.ClockSpeed = 100000;//400000; REDUCED for compatibility with HMC5583L + MMA8452Q I2cHandle.Init.DualAddressMode = I2C_DUALADDRESS_DISABLED; I2cHandle.Init.DutyCycle = I2C_DUTYCYCLE_2; I2cHandle.Init.GeneralCallMode = I2C_GENERALCALL_DISABLED; I2cHandle.Init.NoStretchMode = I2C_NOSTRETCH_DISABLED; I2cHandle.Init.OwnAddress1 = 0x01; global.dataSendToSlaveStopEval = 1; global.I2C_SystemStatus = HAL_I2C_Init(&I2cHandle); HAL_I2CEx_AnalogFilter_Config(&I2cHandle, I2C_ANALOGFILTER_ENABLED); HAL_I2CEx_ConfigDigitalFilter(&I2cHandle,0x0F); global.dataSendToSlaveStopEval = 0; if(global.dataSendToSlavePending) { scheduleSpecial_Evaluate_DataSendToSlave(); } return (HAL_StatusTypeDef)global.I2C_SystemStatus; } void I2C_DeInit(void) { HAL_I2C_DeInit(&I2cHandle); } uint8_t i2c_errors = 0; void I2C_Error_count(void) { i2c_errors++; } HAL_StatusTypeDef I2C_Master_TransmitNoStop( uint16_t DevAddress, uint8_t *pData, uint16_t Size) { if(global.I2C_SystemStatus != HAL_OK) return (HAL_StatusTypeDef)global.I2C_SystemStatus; global.dataSendToSlaveStopEval = 1; global.I2C_SystemStatus = HAL_I2C_Master_Transmit(&I2cHandle, DevAddress, pData, Size, 100 /*FIXME , 0*/); if(global.I2C_SystemStatus != HAL_OK) { I2C_Error_count(); } global.dataSendToSlaveStopEval = 0; //TODO: REMOVE. // if(global.dataSendToSlavePending) // { // scheduleSpecial_Evaluate_DataSendToSlave(); // } return (HAL_StatusTypeDef)global.I2C_SystemStatus; } HAL_StatusTypeDef I2C_Master_Transmit( uint16_t DevAddress, uint8_t *pData, uint16_t Size) { if(global.I2C_SystemStatus != HAL_OK) return (HAL_StatusTypeDef)(global.I2C_SystemStatus & 0x03); global.dataSendToSlaveStopEval = 1; global.I2C_SystemStatus = HAL_I2C_Master_Transmit(&I2cHandle, DevAddress, pData, Size,100 /*FIXME , 1*/); if(global.I2C_SystemStatus != HAL_OK) { I2C_Error_count(); } global.dataSendToSlaveStopEval = 0; //TODO: REMOVE. // if(global.dataSendToSlavePending) // { // scheduleSpecial_Evaluate_DataSendToSlave(); // } return (HAL_StatusTypeDef)global.I2C_SystemStatus; } HAL_StatusTypeDef I2C_Master_Receive( uint16_t DevAddress, uint8_t *pData, uint16_t Size) { if(global.I2C_SystemStatus != HAL_OK) return (HAL_StatusTypeDef)global.I2C_SystemStatus; uint8_t localHALstatusReturn = 0xFF; global.dataSendToSlaveStopEval = 1; localHALstatusReturn = HAL_I2C_Master_Receive(&I2cHandle, DevAddress, pData, Size, 10); if(localHALstatusReturn != HAL_OK) { I2C_Error_count(); } global.dataSendToSlaveStopEval = 0; //TODO: REMOVE. // if(global.dataSendToSlavePending) // { // scheduleSpecial_Evaluate_DataSendToSlave(); // } return (HAL_StatusTypeDef)localHALstatusReturn; }