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Add Rx FIFO status

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This commit is contained in:
Ben V. Brown
2025-02-22 14:44:17 +11:00
parent bef8233aa7
commit 4894451646
2 changed files with 11 additions and 0 deletions
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1
source/Core/BSP/Pinecilv2/bl_mcu_sdk/drivers/bl702_driver/std_drv/inc/bl702_i2c.h
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@@ -170,6 +170,7 @@ void I2C_Disable(I2C_ID_Type i2cNo);
BL_Err_Type I2C_SetDeglitchCount(I2C_ID_Type i2cNo, uint8_t cnt);
BL_Err_Type I2C_Reset(I2C_ID_Type i2cNo);
uint8_t I2C_GetTXFIFOAvailable();
uint8_t I2C_GetRXFIFOAvailable();
void I2C_DMATxEnable();
void I2C_DMATxDisable();
void I2C_SetPrd(I2C_ID_Type i2cNo, uint8_t phase);

10
source/Core/BSP/Pinecilv2/bl_mcu_sdk/drivers/bl702_driver/std_drv/src/bl702_i2c.c
View File

@@ -221,6 +221,15 @@ uint8_t I2C_GetTXFIFOAvailable() {
return tmpVal & 0b11; // Lowest two bits
}
uint8_t I2C_GetRXFIFOAvailable() {
volatile uint32_t tmpVal;
uint32_t I2Cx = I2C_BASE;
tmpVal = BL_RD_REG(I2Cx, I2C_FIFO_CONFIG_1);
return (tmpVal >> 8) & 0b11; // Lowest two bits of byte 2
}
void I2C_DMATxEnable() {
uint32_t tmpVal;
uint32_t I2Cx = I2C_BASE;
@@ -641,6 +650,7 @@ BL_Err_Type I2C_MasterReceiveBlocking(I2C_ID_Type i2cNo, I2C_Transfer_Cfg *cfg)
return TIMEOUT;
}
}
/* Read I2C data */
while (cfg->dataSize - i >= 4) {
timeOut = I2C_FIFO_STATUS_TIMEOUT;