ARMmbed
/
mbed-os
mirror of https://github.com/ARMmbed/mbed-os.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

MCUXpresso: Update LPC SPI HAL driver 

Add support for different slave selects

Signed-off-by: Mahesh Mahadevan <mahesh.mahadevan@nxp.com>
pull/11060/head
Mahesh Mahadevan 2019-07-16 12:10:34 -05:00
parent 9cdfe37783
commit 55a2eddf8a
10 changed files with 14 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
targets/TARGET_NXP/TARGET_MCUXpresso_MCUS/TARGET_LPC/objects.h
View File

@ -58,6 +58,7 @@ struct i2c_s {
struct spi_s {
uint32_t instance;
uint8_t bits;
uint8_t ssel_num;
};
#if DEVICE_FLASH && !defined(TARGET_FLASH_CMSIS_ALGO)

2
targets/TARGET_NXP/TARGET_MCUXpresso_MCUS/TARGET_LPC/pinmap.c
View File

@ -33,7 +33,7 @@ void pin_function(PinName pin, int function)
IOCON->PIO[port_number][pin_number] |= IOCON_PIO_DIGIMODE_MASK;
reg = IOCON->PIO[port_number][pin_number];
reg = (reg & ~0x7) | (function & IOCON_PIO_FUNC_MASK);
reg = (reg & ~IOCON_PIO_FUNC_MASK) | (function & IOCON_PIO_FUNC_MASK);
IOCON->PIO[port_number][pin_number] = reg;
}

3
targets/TARGET_NXP/TARGET_MCUXpresso_MCUS/TARGET_LPC/spi_api.c
View File

@ -42,6 +42,7 @@ void spi_init(spi_t *obj, PinName mosi, PinName miso, PinName sclk, PinName ssel
obj->instance = pinmap_merge(spi_data, spi_cntl);
MBED_ASSERT((int)obj->instance != NC);
obj->ssel_num = 0;
switch (obj->instance) {
case 0:
@ -96,6 +97,7 @@ void spi_init(spi_t *obj, PinName mosi, PinName miso, PinName sclk, PinName ssel
pinmap_pinout(sclk, PinMap_SPI_SCLK);
if (ssel != NC) {
pinmap_pinout(ssel, PinMap_SPI_SSEL);
obj->ssel_num = pinmap_function(ssel, PinMap_SPI_SSEL) >> SSELNUM_SHIFT;
}
}
@ -128,6 +130,7 @@ void spi_format(spi_t *obj, int bits, int mode, int slave)
master_config.polarity = (mode & 0x2) ? kSPI_ClockPolarityActiveLow : kSPI_ClockPolarityActiveHigh;
master_config.phase = (mode & 0x1) ? kSPI_ClockPhaseSecondEdge : kSPI_ClockPhaseFirstEdge;
master_config.direction = kSPI_MsbFirst;
master_config.sselNum = obj->ssel_num;
if (baud_rate > 0) {
master_config.baudRate_Bps = baud_rate;
}

2
targets/TARGET_NXP/TARGET_MCUXpresso_MCUS/TARGET_LPC54114/TARGET_LPCXpresso/PeripheralNames.h
View File

@ -94,7 +94,7 @@ typedef enum {
ADC0_SE11 = 11,
} ADCName;
#define SSELNUM_SHIFT 16
typedef enum {
SPI_0 = Flexcomm3,
SPI_1 = Flexcomm5

4
targets/TARGET_NXP/TARGET_MCUXpresso_MCUS/TARGET_LPC54114/TARGET_LPCXpresso/PeripheralPins.c
View File

@ -90,8 +90,8 @@ const PinMap PinMap_SPI_MISO[] = {
const PinMap PinMap_SPI_SSEL[] = {
{P0_14, SPI_0, 1},
{P1_1, SPI_1, 4},
{P1_2, SPI_1, 4},
{P1_1, SPI_1, ((2 << SSELNUM_SHIFT) | 4)},
{P1_2, SPI_1, ((3 << SSELNUM_SHIFT) | 4)},
{NC , NC , 0}
};

1
targets/TARGET_NXP/TARGET_MCUXpresso_MCUS/TARGET_LPC55S69/TARGET_LPCXpresso/PeripheralNames.h
View File

@ -104,6 +104,7 @@ typedef enum {
CAN_1 = 1
} CANName;
#define SSELNUM_SHIFT 16
typedef enum {
SPI_0 = Flexcomm3,
SPI_1 = Flexcomm7,

4
targets/TARGET_NXP/TARGET_MCUXpresso_MCUS/TARGET_LPC55S69/TARGET_LPCXpresso/PeripheralPins.c
View File

@ -113,8 +113,8 @@ const PinMap PinMap_SPI_MISO[] = {
const PinMap PinMap_SPI_SSEL[] = {
{P0_4, SPI_0, 8},
{P1_20, SPI_1, 1},
{P1_1, SPI_2, 5},
{P1_20, SPI_1, ((1 << SSELNUM_SHIFT) | 1)},
{P1_1, SPI_2, ((1 << SSELNUM_SHIFT) | 5)},
{NC , NC , 0}
};

1
targets/TARGET_NXP/TARGET_MCUXpresso_MCUS/TARGET_MCU_LPC546XX/TARGET_FF_LPC546XX/PeripheralNames.h
View File

@ -100,6 +100,7 @@ typedef enum {
CAN_1 = 1
} CANName;
#define SSELNUM_SHIFT 16
typedef enum {
SPI_0 = Flexcomm0,
SPI_2 = Flexcomm2,

1
targets/TARGET_NXP/TARGET_MCUXpresso_MCUS/TARGET_MCU_LPC546XX/TARGET_LPCXpresso/PeripheralNames.h
View File

@ -100,6 +100,7 @@ typedef enum {
CAN_1 = 1
} CANName;
#define SSELNUM_SHIFT 16
typedef enum {
SPI_0 = Flexcomm3,
SPI_1 = Flexcomm9

2
targets/TARGET_NXP/TARGET_MCUXpresso_MCUS/TARGET_MCU_LPC546XX/TARGET_LPCXpresso/PeripheralPins.c
View File

@ -107,7 +107,7 @@ const PinMap PinMap_SPI_MISO[] = {
const PinMap PinMap_SPI_SSEL[] = {
{P0_1, SPI_0, 2},
{P3_30, SPI_1, 1},
{P4_6, SPI_1, 2},
{P4_6, SPI_1, ((1 << SSELNUM_SHIFT) | 2)},
{NC , NC , 0}
};