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pvvx 2017-09-22 10:44:42 +03:00
parent 9ffd9dac1a
commit eac35630e6
31 changed files with 185 additions and 130 deletions
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25
project/src/driver/i2c_drv.c
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@ -5,6 +5,7 @@
* Author: pvvx
*/
#include "driver/i2c_drv.h"
#include "rtl_lib.h"
#if CONFIG_I2C_EN
@ -44,14 +45,14 @@ static const PinMapI2C PinMap_I2C[] = {
};
static void * i2c_base_reg[4] = {
I2C0_REG_BASE,
I2C1_REG_BASE,
I2C2_REG_BASE,
I2C3_REG_BASE
(void *)I2C0_REG_BASE,
(void *)I2C1_REG_BASE,
(void *)I2C2_REG_BASE,
(void *)I2C3_REG_BASE
};
#if 1
#define test_printf
#define test_printf(...)
#define i2c_dump_regs(p)
#else
#define test_printf rtl_printf
@ -87,9 +88,9 @@ LOCAL int i2c_ready(i2c_drv_t *pi2c, unsigned char flg)
if(i2c_reg(REG_DW_I2C_IC_RAW_INTR_STAT) & BIT_IC_RAW_INTR_STAT_TX_ABRT) {
error_printf("I2C%d Abort!\n", pi2c->idx);
// Clear abort status.
(volatile)i2c_reg(REG_DW_I2C_IC_CLR_TX_ABRT);
i2c_reg(REG_DW_I2C_IC_CLR_TX_ABRT);
// Be sure that all interrupts flag are cleared.
// (volatile)i2c_reg(REG_DW_I2C_IC_CLR_INTR);
// i2c_reg(REG_DW_I2C_IC_CLR_INTR);
pi2c->status = DRV_I2C_ABORT;
return DRV_I2C_ABORT;
}
@ -116,7 +117,7 @@ LOCAL int i2c_ready(i2c_drv_t *pi2c, unsigned char flg)
int _i2c_break(i2c_drv_t *pi2c)
{
test_printf("%s\n", __func__);
// (volatile)i2c_reg(REG_DW_I2C_IC_CLR_INTR);
// i2c_reg(REG_DW_I2C_IC_CLR_INTR);
// ABORT operation
int poll_count = DRV_I2C_POOL_TIMEOUT;
i2c_reg(REG_DW_I2C_IC_ENABLE) |= 2;
@ -130,7 +131,7 @@ int _i2c_break(i2c_drv_t *pi2c)
};
pi2c->status = DRV_I2C_OFF;
// All interrupts flag are cleared.
(volatile)i2c_reg(REG_DW_I2C_IC_CLR_INTR);
i2c_reg(REG_DW_I2C_IC_CLR_INTR);
return DRV_I2C_OK;
}
@ -225,7 +226,7 @@ LOCAL int i2c_enable(i2c_drv_t *pi2c)
};
};
// Be sure that all interrupts flag are cleared.
(volatile)i2c_reg(REG_DW_I2C_IC_CLR_INTR);
i2c_reg(REG_DW_I2C_IC_CLR_INTR);
pi2c->status = DRV_I2C_IC_ENABLE;
return DRV_I2C_OK;
}
@ -286,7 +287,7 @@ int _i2c_setup(i2c_drv_t *pi2c, PinName sda, PinName scl, unsigned char mode)
return DRV_I2C_ERR;
}
// Pins -> index
PinMapI2C *p = PinMap_I2C;
PinMapI2C *p = (PinMapI2C *)PinMap_I2C;
while(p->sda != 0xFF) {
if(p->sda == sda && p->scl == scl) {
pi2c->io_sel = RTL_GET_PERI_SEL(p->sel);
@ -432,7 +433,7 @@ int _i2c_read(i2c_drv_t *pi2c, uint32 address, const char *data, int length, int
*d++ = i2c_reg(REG_DW_I2C_IC_DATA_CMD);
length--;
}
else (volatile) i2c_reg(REG_DW_I2C_IC_DATA_CMD);
else i2c_reg(REG_DW_I2C_IC_DATA_CMD);
};
}
while(length) {