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[STM32Fxx] Add Serial Flow Control #2095

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354a724
NUCLEO_F401RE - Typo corrections
bcostm Jul 4, 2016
18f9fba
NUCLEO_F410RB - Add Serial Flow Control
bcostm Jul 4, 2016
62c943d
NUCLEO_F411RE - Add Serial Flow Control
bcostm Jul 4, 2016
5dea6b6
NUCLEO_F446RE - Add Serial Flow Control
bcostm Jul 4, 2016
adbc55c
DISCO_F429ZI - Add Serial Flow Control
bcostm Jul 4, 2016
387ef51
DISCO_F469NI - Add Serial Flow Control
bcostm Jul 4, 2016
4a8f504
NUCLEO_F4+DISCO_F4 - Add SERIAL_FC in targets.json
bcostm Jul 4, 2016
2cdf14a
NUCLEO_F103RB - Add Serial Flow Control
bcostm Jul 5, 2016
07b904c
NUCLEO_F030R8 - Add Serial Flow Control
bcostm Jul 5, 2016
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14 changes: 7 additions & 7 deletions hal/targets.json
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Original file line number Diff line number Diff line change
Expand Up @@ -569,7 +569,7 @@
"inherits": ["Target"],
"progen": {"target": "nucleo-f030r8"},
"detect_code": ["0725"],
"device_has": ["ANALOGIN", "I2C", "I2CSLAVE", "INTERRUPTIN", "LOWPOWERTIMER", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
"device_has": ["ANALOGIN", "I2C", "I2CSLAVE", "INTERRUPTIN", "LOWPOWERTIMER", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_FC", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
"default_build": "small"
},
"NUCLEO_F031K6": {
Expand Down Expand Up @@ -641,7 +641,7 @@
"inherits": ["Target"],
"progen": {"target": "nucleo-f103rb"},
"detect_code": ["0700"],
"device_has": ["ANALOGIN", "CAN", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
"device_has": ["ANALOGIN", "CAN", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_FC", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
"default_build": "small"
},
"NUCLEO_F302R8": {
Expand Down Expand Up @@ -713,7 +713,7 @@
"inherits": ["Target"],
"progen": {"target": "nucleo-f410rb"},
"detect_code": ["0740"],
"device_has": ["ANALOGIN", "ANALOGOUT", "ERROR_RED", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
"device_has": ["ANALOGIN", "ANALOGOUT", "ERROR_RED", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_FC", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
"default_build": "small"
},
"NUCLEO_F411RE": {
Expand All @@ -725,7 +725,7 @@
"inherits": ["Target"],
"progen": {"target": "nucleo-f411re"},
"detect_code": ["0740"],
"device_has": ["ANALOGIN", "ERROR_RED", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
"device_has": ["ANALOGIN", "ERROR_RED", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_FC", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
"default_build": "small"
},
"ELMO_F411RE": {
Expand All @@ -748,7 +748,7 @@
"inherits": ["Target"],
"progen": {"target": "nucleo-f446re"},
"detect_code": ["0777"],
"device_has": ["ANALOGIN", "ANALOGOUT", "CAN", "ERROR_RED", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
"device_has": ["ANALOGIN", "ANALOGOUT", "CAN", "ERROR_RED", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_FC", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
"default_build": "small"
},
"B96B_F446VE": {
Expand Down Expand Up @@ -950,7 +950,7 @@
"extra_labels": ["STM", "STM32F4", "STM32F429", "STM32F429ZI"],
"supported_toolchains": ["ARM", "uARM", "GCC_ARM", "IAR"],
"progen": {"target": "disco-f429zi"},
"device_has": ["ANALOGIN", "ANALOGOUT", "CAN", "ERROR_RED", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "RTC_LSI", "SERIAL", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
"device_has": ["ANALOGIN", "ANALOGOUT", "CAN", "ERROR_RED", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "RTC_LSI", "SERIAL", "SERIAL_FC", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
"default_build": "small"
},
"DISCO_F469NI": {
Expand All @@ -962,7 +962,7 @@
"inherits": ["Target"],
"progen": {"target": "disco-f469ni"},
"detect_code": ["0788"],
"device_has": ["ANALOGIN", "ANALOGOUT", "CAN", "ERROR_RED", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
"device_has": ["ANALOGIN", "ANALOGOUT", "CAN", "ERROR_RED", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_FC", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
"default_build": "small"
},
"DISCO_L053C8": {
Expand Down
2 changes: 2 additions & 0 deletions hal/targets/hal/TARGET_STM/TARGET_STM32F0/PeripheralPins.h
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Original file line number Diff line number Diff line change
Expand Up @@ -55,6 +55,8 @@ extern const PinMap PinMap_PWM[];

extern const PinMap PinMap_UART_TX[];
extern const PinMap PinMap_UART_RX[];
extern const PinMap PinMap_UART_RTS[];
extern const PinMap PinMap_UART_CTS[];

//*** SPI ***

Expand Down
14 changes: 14 additions & 0 deletions hal/targets/hal/TARGET_STM/TARGET_STM32F0/TARGET_NUCLEO_F030R8/PeripheralPins.c
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Original file line number Diff line number Diff line change
Expand Up @@ -120,6 +120,20 @@ const PinMap PinMap_UART_RX[] = {
{NC, NC, 0}
};

const PinMap PinMap_UART_RTS[] = {
{PA_1, UART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART1)},
// {PA_1, UART_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART2)},
{PA_12, UART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART1)},
{NC, NC, 0}
};

const PinMap PinMap_UART_CTS[] = {
{PA_0, UART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART1)},
// {PA_0, UART_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART2)},
{PA_11, UART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART1)},
{NC, NC, 0}
};

//*** SPI ***

const PinMap PinMap_SPI_MOSI[] = {
Expand Down
5 changes: 5 additions & 0 deletions hal/targets/hal/TARGET_STM/TARGET_STM32F0/TARGET_NUCLEO_F030R8/objects.h
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Original file line number Diff line number Diff line change
Expand Up @@ -68,6 +68,11 @@ struct serial_s {
uint32_t parity;
PinName pin_tx;
PinName pin_rx;
#if DEVICE_SERIAL_FC
uint32_t hw_flow_ctl;
PinName pin_rts;
PinName pin_cts;
#endif
};

struct spi_s {
Expand Down
65 changes: 65 additions & 0 deletions hal/targets/hal/TARGET_STM/TARGET_STM32F0/serial_api.c
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Original file line number Diff line number Diff line change
Expand Up @@ -66,14 +66,24 @@ UART_HandleTypeDef UartHandle;
int stdio_uart_inited = 0;
serial_t stdio_uart;

#if DEVICE_SERIAL_ASYNCH
#define SERIAL_OBJ(X) (obj->serial.X)
#else
#define SERIAL_OBJ(X) (obj->X)
#endif

static void init_uart(serial_t *obj) {
UartHandle.Instance = (USART_TypeDef *)(obj->uart);

UartHandle.Init.BaudRate = obj->baudrate;
UartHandle.Init.WordLength = obj->databits;
UartHandle.Init.StopBits = obj->stopbits;
UartHandle.Init.Parity = obj->parity;
#if DEVICE_SERIAL_FC
UartHandle.Init.HwFlowCtl = SERIAL_OBJ(hw_flow_ctl);
#else
UartHandle.Init.HwFlowCtl = UART_HWCONTROL_NONE;
#endif

if (obj->pin_rx == NC) {
UartHandle.Init.Mode = UART_MODE_TX;
Expand Down Expand Up @@ -521,4 +531,59 @@ void serial_break_clear(serial_t *obj) {
// [TODO]
}

#if DEVICE_SERIAL_FC
/** Set HW Control Flow
* @param obj The serial object
* @param type The Control Flow type (FlowControlNone, FlowControlRTS, FlowControlCTS, FlowControlRTSCTS)
* @param rxflow Pin for the rxflow
* @param txflow Pin for the txflow
*/
void serial_set_flow_control(serial_t *obj, FlowControl type, PinName rxflow, PinName txflow)
{

// Determine the UART to use (UART_1, UART_2, ...)
UARTName uart_rts = (UARTName)pinmap_peripheral(rxflow, PinMap_UART_RTS);
UARTName uart_cts = (UARTName)pinmap_peripheral(txflow, PinMap_UART_CTS);

// Get the peripheral name (UART_1, UART_2, ...) from the pin and assign it to the object
UARTName instance = (UARTName)pinmap_merge(uart_cts, uart_rts);

MBED_ASSERT(instance != (UARTName)NC);

if(type == FlowControlNone) {
// Disable hardware flow control
SERIAL_OBJ(hw_flow_ctl) = UART_HWCONTROL_NONE;
}
if (type == FlowControlRTS) {
// Enable RTS
MBED_ASSERT(uart_rts != (UARTName)NC);
SERIAL_OBJ(hw_flow_ctl) = UART_HWCONTROL_RTS;
SERIAL_OBJ(pin_rts) = rxflow;
// Enable the pin for RTS function
pinmap_pinout(rxflow, PinMap_UART_RTS);
}
if (type == FlowControlCTS) {
// Enable CTS
MBED_ASSERT(uart_cts != (UARTName)NC);
SERIAL_OBJ(hw_flow_ctl) = UART_HWCONTROL_CTS;
SERIAL_OBJ(pin_cts) = txflow;
// Enable the pin for CTS function
pinmap_pinout(txflow, PinMap_UART_CTS);
}
if (type == FlowControlRTSCTS) {
// Enable CTS & RTS
MBED_ASSERT(uart_rts != (UARTName)NC);
MBED_ASSERT(uart_cts != (UARTName)NC);
SERIAL_OBJ(hw_flow_ctl) = UART_HWCONTROL_RTS_CTS;
SERIAL_OBJ(pin_rts) = rxflow;
SERIAL_OBJ(pin_cts) = txflow;
// Enable the pin for CTS function
pinmap_pinout(txflow, PinMap_UART_CTS);
// Enable the pin for RTS function
pinmap_pinout(rxflow, PinMap_UART_RTS);
}
init_uart(obj);
}
#endif // DEVICE_SERIAL_FC

#endif
2 changes: 2 additions & 0 deletions hal/targets/hal/TARGET_STM/TARGET_STM32F1/PeripheralPins.h
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Original file line number Diff line number Diff line change
Expand Up @@ -51,6 +51,8 @@ extern const PinMap PinMap_PWM[];

extern const PinMap PinMap_UART_TX[];
extern const PinMap PinMap_UART_RX[];
extern const PinMap PinMap_UART_RTS[];
extern const PinMap PinMap_UART_CTS[];

//*** SPI ***

Expand Down
14 changes: 14 additions & 0 deletions hal/targets/hal/TARGET_STM/TARGET_STM32F1/TARGET_NUCLEO_F103RB/PeripheralPins.c
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Original file line number Diff line number Diff line change
Expand Up @@ -134,6 +134,20 @@ const PinMap PinMap_UART_RX[] = {
{NC, NC, 0}
};

const PinMap PinMap_UART_RTS[] = {
{PA_1, UART_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, 0)},
{PA_12, UART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, 0)},
{PB_14, UART_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, 0)},
{NC, NC, 0}
};

const PinMap PinMap_UART_CTS[] = {
{PA_0, UART_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, 0)},
{PA_11, UART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, 0)},
{PB_13, UART_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, 0)},
{NC, NC, 0}
};

//*** SPI ***

const PinMap PinMap_SPI_MOSI[] = {
Expand Down
5 changes: 5 additions & 0 deletions hal/targets/hal/TARGET_STM/TARGET_STM32F1/TARGET_NUCLEO_F103RB/objects.h
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Original file line number Diff line number Diff line change
Expand Up @@ -68,6 +68,11 @@ struct serial_s {
uint32_t parity;
PinName pin_tx;
PinName pin_rx;
#if DEVICE_SERIAL_FC
uint32_t hw_flow_ctl;
PinName pin_rts;
PinName pin_cts;
#endif
};

struct spi_s {
Expand Down
77 changes: 71 additions & 6 deletions hal/targets/hal/TARGET_STM/TARGET_STM32F1/serial_api.c
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Original file line number Diff line number Diff line change
Expand Up @@ -39,6 +39,12 @@

#define UART_NUM (3)

#if DEVICE_SERIAL_ASYNCH
#define SERIAL_OBJ(X) (obj->serial.X)
#else
#define SERIAL_OBJ(X) (obj->X)
#endif

static uint32_t serial_irq_ids[UART_NUM] = {0, 0, 0};

static uart_irq_handler irq_handler;
Expand All @@ -57,7 +63,11 @@ static void init_uart(serial_t *obj)
UartHandle.Init.WordLength = obj->databits;
UartHandle.Init.StopBits = obj->stopbits;
UartHandle.Init.Parity = obj->parity;
#if DEVICE_SERIAL_FC
UartHandle.Init.HwFlowCtl = SERIAL_OBJ(hw_flow_ctl);
#else
UartHandle.Init.HwFlowCtl = UART_HWCONTROL_NONE;
#endif

if (obj->pin_rx == NC) {
UartHandle.Init.Mode = UART_MODE_TX;
Expand All @@ -83,20 +93,20 @@ void serial_init(serial_t *obj, PinName tx, PinName rx)

// Enable UART clock
if (obj->uart == UART_1) {
__USART1_FORCE_RESET();
__USART1_RELEASE_RESET();
__USART1_FORCE_RESET();
__USART1_RELEASE_RESET();
__HAL_RCC_USART1_CLK_ENABLE();
obj->index = 0;
}
if (obj->uart == UART_2) {
__USART2_FORCE_RESET();
__USART2_RELEASE_RESET();
__USART2_FORCE_RESET();
__USART2_RELEASE_RESET();
__HAL_RCC_USART2_CLK_ENABLE();
obj->index = 1;
}
if (obj->uart == UART_3) {
__USART3_FORCE_RESET();
__USART3_RELEASE_RESET();
__USART3_FORCE_RESET();
__USART3_RELEASE_RESET();
__HAL_RCC_USART3_CLK_ENABLE();
obj->index = 2;
}
Expand Down Expand Up @@ -350,4 +360,59 @@ void serial_break_clear(serial_t *obj)
{
}

#if DEVICE_SERIAL_FC
/** Set HW Control Flow
* @param obj The serial object
* @param type The Control Flow type (FlowControlNone, FlowControlRTS, FlowControlCTS, FlowControlRTSCTS)
* @param rxflow Pin for the rxflow
* @param txflow Pin for the txflow
*/
void serial_set_flow_control(serial_t *obj, FlowControl type, PinName rxflow, PinName txflow)
{

// Determine the UART to use (UART_1, UART_2, ...)
UARTName uart_rts = (UARTName)pinmap_peripheral(rxflow, PinMap_UART_RTS);
UARTName uart_cts = (UARTName)pinmap_peripheral(txflow, PinMap_UART_CTS);

// Get the peripheral name (UART_1, UART_2, ...) from the pin and assign it to the object
UARTName instance = (UARTName)pinmap_merge(uart_cts, uart_rts);

MBED_ASSERT(instance != (UARTName)NC);

if(type == FlowControlNone) {
// Disable hardware flow control
SERIAL_OBJ(hw_flow_ctl) = UART_HWCONTROL_NONE;
}
if (type == FlowControlRTS) {
// Enable RTS
MBED_ASSERT(uart_rts != (UARTName)NC);
SERIAL_OBJ(hw_flow_ctl) = UART_HWCONTROL_RTS;
SERIAL_OBJ(pin_rts) = rxflow;
// Enable the pin for RTS function
pinmap_pinout(rxflow, PinMap_UART_RTS);
}
if (type == FlowControlCTS) {
// Enable CTS
MBED_ASSERT(uart_cts != (UARTName)NC);
SERIAL_OBJ(hw_flow_ctl) = UART_HWCONTROL_CTS;
SERIAL_OBJ(pin_cts) = txflow;
// Enable the pin for CTS function
pinmap_pinout(txflow, PinMap_UART_CTS);
}
if (type == FlowControlRTSCTS) {
// Enable CTS & RTS
MBED_ASSERT(uart_rts != (UARTName)NC);
MBED_ASSERT(uart_cts != (UARTName)NC);
SERIAL_OBJ(hw_flow_ctl) = UART_HWCONTROL_RTS_CTS;
SERIAL_OBJ(pin_rts) = rxflow;
SERIAL_OBJ(pin_cts) = txflow;
// Enable the pin for CTS function
pinmap_pinout(txflow, PinMap_UART_CTS);
// Enable the pin for RTS function
pinmap_pinout(rxflow, PinMap_UART_RTS);
}
init_uart(obj);
}
#endif // DEVICE_SERIAL_FC

#endif
22 changes: 22 additions & 0 deletions hal/targets/hal/TARGET_STM/TARGET_STM32F4/TARGET_DISCO_F429ZI/PeripheralPins.c
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Original file line number Diff line number Diff line change
Expand Up @@ -220,6 +220,28 @@ const PinMap PinMap_UART_RX[] = {
{NC, NC, 0}
};

const PinMap PinMap_UART_RTS[] = {
// {PA_1, UART_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART2)}, // Connected to MEMS
{PA_12, UART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART1)},
// {PB_14, UART_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART3)}, // Connected to USB
{PD_4, UART_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART2)},
{PD_12, UART_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART3)},
{PG_8, UART_6, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF8_USART6)},
{PG_12, UART_6, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF8_USART6)},
{NC, NC, 0}
};

const PinMap PinMap_UART_CTS[] = {
// {PA_0, UART_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART2)}, // Connected to BUTTON
{PA_11, UART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART1)},
{PB_13, UART_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART3)},
{PD_3, UART_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART2)},
{PD_11, UART_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART3)},
// {PG_13, UART_6, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF8_USART6)}, // Connected to LED
{PG_15, UART_6, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF8_USART6)},
{NC, NC, 0}
};

//*** SPI ***

const PinMap PinMap_SPI_MOSI[] = {
Expand Down
5 changes: 5 additions & 0 deletions hal/targets/hal/TARGET_STM/TARGET_STM32F4/TARGET_DISCO_F429ZI/objects.h
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Original file line number Diff line number Diff line change
Expand Up @@ -74,6 +74,11 @@ struct serial_s {
uint32_t parity;
PinName pin_tx;
PinName pin_rx;
#if DEVICE_SERIAL_FC
uint32_t hw_flow_ctl;
PinName pin_rts;
PinName pin_cts;
#endif
};

struct spi_s {
Expand Down
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