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Update port api driver to add missing ports 

This patch updates port api driver to add missing
ports.

Signed-off-by: Marc Moreno <marc.morenoberengue@arm.com>
pull/4557/head
Marc Moreno Berengue 2017-06-15 16:35:49 +01:00
parent 8de4c5323f
commit 6b04bb364f
2 changed files with 34 additions and 13 deletions
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4
targets/TARGET_ARM_SSG/TARGET_CM3DS_MPS2/PortNames.h
View File

@ -22,7 +22,9 @@ extern "C" {
typedef enum { typedef enum {
Port0 = 0, Port0 = 0,
Port1 = 1 Port1,
Port2,
Port3,
} PortName; } PortName;
#ifdef __cplusplus #ifdef __cplusplus

37
targets/TARGET_ARM_SSG/TARGET_CM3DS_MPS2/port_api.c
View File

@ -17,26 +17,45 @@
#include "pinmap.h" #include "pinmap.h"
#include "gpio_api.h" #include "gpio_api.h"
#define MAX_GPIO_PINS 16
PinName port_pin(PortName port, int pin_n) PinName port_pin(PortName port, int pin_n)
{ {
if (pin_n < 0 || pin_n > MAX_GPIO_PINS) {
error("Invalid GPIO pin number %d", pin_n);
}
return (PinName)((port << PORT_SHIFT) | pin_n); return (PinName)((port << PORT_SHIFT) | pin_n);
} }
void port_init(port_t *obj, PortName port, int mask, PinDirection dir) void port_init(port_t *obj, PortName port, int mask, PinDirection dir)
{ {
uint32_t i;
CMSDK_GPIO_TypeDef *port_reg;
switch (port) {
case Port0:
port_reg = (CMSDK_GPIO_TypeDef *)(CMSDK_GPIO0_BASE);
break;
case Port1:
port_reg = (CMSDK_GPIO_TypeDef *)(CMSDK_GPIO1_BASE);
break;
case Port2:
port_reg = (CMSDK_GPIO_TypeDef *)(CMSDK_GPIO2_BASE);
break;
case Port3:
port_reg = (CMSDK_GPIO_TypeDef *)(CMSDK_GPIO3_BASE);
break;
}
obj->port = port; obj->port = port;
obj->mask = mask; obj->mask = mask;
CMSDK_GPIO_TypeDef *port_reg = (CMSDK_GPIO_TypeDef *)(CMSDK_GPIO0_BASE
+ ((int)port * 0x10));
obj->reg_in = &port_reg->DATAOUT; obj->reg_in = &port_reg->DATAOUT;
obj->reg_dir = &port_reg->OUTENABLESET; obj->reg_dir = &port_reg->OUTENABLESET;
obj->reg_dirclr = &port_reg->OUTENABLECLR; obj->reg_dirclr = &port_reg->OUTENABLECLR;
uint32_t i; /* The function is set per pin: reuse gpio logic */
// The function is set per pin: reuse gpio logic for (i=0; i < MAX_GPIO_PINS; i++) {
for (i=0; i<16; i++) {
if (obj->mask & (1<<i)) { if (obj->mask & (1<<i)) {
gpio_set(port_pin(obj->port, i)); gpio_set(port_pin(obj->port, i));
} }
@ -48,8 +67,8 @@ void port_init(port_t *obj, PortName port, int mask, PinDirection dir)
void port_mode(port_t *obj, PinMode mode) void port_mode(port_t *obj, PinMode mode)
{ {
uint32_t i; uint32_t i;
// The mode is set per pin: reuse pinmap logic /* The mode is set per pin: reuse pinmap logic */
for (i=0; i<32; i++) { for (i=0; i < MAX_GPIO_PINS; i++) {
if (obj->mask & (1 << i)) { if (obj->mask & (1 << i)) {
pin_mode(port_pin(obj->port, i), mode); pin_mode(port_pin(obj->port, i), mode);
} }