77 lines
1.8 KiB
C
77 lines
1.8 KiB
C
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#include "drv_tp_iic.h"
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#define I2C_TIMEOUT (0x1800U)
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#define I2C_BUFFER_LENGTH (8U)
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static uint32_t s_timeout = I2C_TIMEOUT;
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static status_t status = STATUS_SUCCESS;
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static uint32_t s_byteRemaining = 8U;
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static bool ACK;
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void bsp_drv_tp_iic_init(void)
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{
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/* Configure I2C */
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I2C_MasterInit(&lpi2c0_instance, &i2c_pal_lpi2c0_MasterConfig0);
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}
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void bsp_drv_tp_iic_deinit(void)
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{
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I2C_MasterDeinit(&lpi2c0_instance);
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}
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int bsp_drv_tp_iic_set_slave_address(uint16_t address)
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{
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return I2C_MasterSetSlaveAddress(&lpi2c0_instance, address, false);
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}
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bool bsp_drv_tp_iic_read(uint8_t *pBuf,int len ,bool sendstop)
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{
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s_timeout = I2C_TIMEOUT;
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status = I2C_MasterReceiveData(&lpi2c0_instance, pBuf, len, sendstop);
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if (status == STATUS_SUCCESS)
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{
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do
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{
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s_timeout--;
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status = I2C_MasterGetTransferStatus(&lpi2c0_instance, &s_byteRemaining);
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} while ((s_timeout != 0U) && (status != STATUS_SUCCESS));
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if ((s_byteRemaining != 0U) || (s_timeout == 0U))
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{
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return false;
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}
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else
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{
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return true;
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}
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}
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else
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{
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return false;
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}
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}
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bool bsp_drv_tp_iic_write(const uint8_t *pBuf,int len, bool sendstop)
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{
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s_timeout = I2C_TIMEOUT;
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status = I2C_MasterSendData(&lpi2c0_instance, pBuf, len, sendstop);
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if (status == STATUS_SUCCESS)
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{
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do
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{
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s_timeout--;
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status = I2C_MasterGetTransferStatus(&lpi2c0_instance, &s_byteRemaining);
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} while ((s_timeout != 0U) && (status != STATUS_SUCCESS));
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if ((s_byteRemaining != 0U) || (s_timeout == 0U))
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{
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return false;
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}
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else
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{
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return true;
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}
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}
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else
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{
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return false;
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}
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}
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