void GPIO_Init(GPIO_TypeDef* GPIOx, GPIO_InitTypeDef* GPIO_InitStruct)
00174 {
00175 uint32_t currentmode = 0x00, currentpin = 0x00, pinpos = 0x00, pos = 0x00;
00176 uint32_t tmpreg = 0x00, pinmask = 0x00;
00177 /* Check the parameters */
00178 assert_param(IS_GPIO_ALL_PERIPH(GPIOx));
00179 assert_param(IS_GPIO_MODE(GPIO_InitStruct->GPIO_Mode));
00180 assert_param(IS_GPIO_PIN(GPIO_InitStruct->GPIO_Pin));
00181
00182 /*---------------------------- GPIO Mode Configuration -----------------------*/
00183 currentmode = ((uint32_t)GPIO_InitStruct->GPIO_Mode) & ((uint32_t)0x0F);
00184 if ((((uint32_t)GPIO_InitStruct->GPIO_Mode) & ((uint32_t)0x10)) != 0x00)
00185 {
00186 /* Check the parameters */
00187 assert_param(IS_GPIO_SPEED(GPIO_InitStruct->GPIO_Speed));
00188 /* Output mode */
00189 currentmode |= (uint32_t)GPIO_InitStruct->GPIO_Speed;
00190 }
00191 /*---------------------------- GPIO CRL Configuration ------------------------*/
00192 /* Configure the eight low port pins */
00193 if (((uint32_t)GPIO_InitStruct->GPIO_Pin & ((uint32_t)0x00FF)) != 0x00)
00194 {
00195 tmpreg = GPIOx->CRL;
00196 for (pinpos = 0x00; pinpos < 0x08; pinpos++)
00197 {
00198 pos = ((uint32_t)0x01) << pinpos;
00199 /* Get the port pins position */
00200 currentpin = (GPIO_InitStruct->GPIO_Pin) & pos;
00201 if (currentpin == pos)
00202 {
00203 pos = pinpos << 2;
00204 /* Clear the corresponding low control register bits */
00205 pinmask = ((uint32_t)0x0F) << pos;
00206 tmpreg &= ~pinmask;
00207 /* Write the mode configuration in the corresponding bits */
00208 tmpreg |= (currentmode << pos);
00209 /* Reset the corresponding ODR bit */
00210 if (GPIO_InitStruct->GPIO_Mode == GPIO_Mode_IPD)
00211 {
00212 GPIOx->BRR = (((uint32_t)0x01) << pinpos);
00213 }
00214 else
00215 {
00216 /* Set the corresponding ODR bit */
00217 if (GPIO_InitStruct->GPIO_Mode == GPIO_Mode_IPU)
00218 {
00219 GPIOx->BSRR = (((uint32_t)0x01) << pinpos);
00220 }
00221 }
00222 }
00223 }
00224 GPIOx->CRL = tmpreg;
00225 }
00226 /*---------------------------- GPIO CRH Configuration ------------------------*/
00227 /* Configure the eight high port pins */
00228 if (GPIO_InitStruct->GPIO_Pin > 0x00FF)
00229 {
00230 tmpreg = GPIOx->CRH;
00231 for (pinpos = 0x00; pinpos < 0x08; pinpos++)
00232 {
00233 pos = (((uint32_t)0x01) << (pinpos + 0x08));
00234 /* Get the port pins position */
00235 currentpin = ((GPIO_InitStruct->GPIO_Pin) & pos);
00236 if (currentpin == pos)
00237 {
00238 pos = pinpos << 2;
00239 /* Clear the corresponding high control register bits */
00240 pinmask = ((uint32_t)0x0F) << pos;
00241 tmpreg &= ~pinmask;
00242 /* Write the mode configuration in the corresponding bits */
00243 tmpreg |= (currentmode << pos);
00244 /* Reset the corresponding ODR bit */
00245 if (GPIO_InitStruct->GPIO_Mode == GPIO_Mode_IPD)
00246 {
00247 GPIOx->BRR = (((uint32_t)0x01) << (pinpos + 0x08));
00248 }
00249 /* Set the corresponding ODR bit */
00250 if (GPIO_InitStruct->GPIO_Mode == GPIO_Mode_IPU)
00251 {
00252 GPIOx->BSRR = (((uint32_t)0x01) << (pinpos + 0x08));
00253 }
00254 }
00255 }
00256 GPIOx->CRH = tmpreg;
00257 }
00258 }

;;;223      GPIO_PORTL_CFG(A, AFO_PP50, IN_PD_PU, AFO_PP50, GPO_OD50, IN_PD_PU, AFO_PP10, AFO_PP10, IN_PD_PU);
0000ae  49d8              LDR      r1,|L1.1040|
0000b0  48d6              LDR      r0,|L1.1036|
0000b2  6008              STR      r0,[r1,#0]
;;;224      GPIO_PORTH_CFG(A, IN_FLOAT, IN_FLOAT, IN_FLOAT, IN_FLOAT, IN_FLOAT, IN_PD_PU, AFO_PP10, AFO_PP50);  
0000b4  48d6              LDR      r0,|L1.1040|
0000b6  49d7              LDR      r1,|L1.1044|
0000b8  1d00              ADDS     r0,r0,#4
0000ba  6001              STR      r1,[r0,#0]

from lpc11c14 import *

U0.txd_pin = -1
U0.rxd_pin = -1

use_all_pins(SSP0)

add_output('test_led', P0[2])
add_block_input('kbd1', (P0[3],P0[4],P0[5]))
add_block_input('kbd2', (P1[i] for i in range(2,7)))

generate('def.h','def.c')

#include "uart.h"
// настройки UART1
struct Uart1Settings {
  enum { uartNum = 1 };
  enum { baudrate = 115200 };
...
};
// собственно UART1
typedef Uart<Uart1Settings> Uart1;

// просто ножки
#include "pin.h"
typedef Pin<'A', 1> DE1;
typedef Pin<'A', 2> CS1;

Uart1 uart1;

/* Port bit configuration table */
typedef enum {
IN_ANALG, GPO_PP10, GPO_PP02, GPO_PP50, // Input Analog, GP Output Push-pull 10-2-50MHz
IN_FLOAT, GPO_OD10, GPO_OD02, GPO_OD50, // Input Float (reset state), GP Output Open-drain 10-2-50MHz
IN_PD_PU, AFO_PP10, AFO_PP02, AFO_PP50, // Input Pull-down/Pull-up, Alt Func Push-pull
CFG_void, AFO_OD10, AFO_OD02, AFO_OD50 // void(illegal), Alt Func Open-drain 10-2-50MHz
} CFG_MODE;

/*!
*******************************************************************************
* @brief Port Low/High byte configuration
* @details Конфигурация байтов порта целиком
* @param PORT - имя порта (A..G)
* @param CM15..CM00 - конфигурация битов 15..0
* @return
* @note Используется перечисляемый тип CFG_MODE
* @note Для IN_PD_PU нужный pull-down, pull-up задается в ODR
*/
#define GPIO_PORTL_CFG(PORT,CM07,CM06,CM05,CM04,CM03,CM02,CM01,CM00) \
GPIO##PORT->CRL = ((uint32_t)CM07<<28|CM06<<24|CM05<<20|CM04<<16|CM03<<12|CM02<<8|CM01<<4|CM00)

#define GPIO_PORTH_CFG(PORT,CM15,CM14,CM13,CM12,CM11,CM10,CM09,CM08) \
GPIO##PORT->CRH = ((uint32_t)CM15<<28|CM14<<24|CM13<<20|CM12<<16|CM11<<12|CM10<<8|CM09<<4|CM08)

/*!
*******************************************************************************
* @brief Bit of Low/High byte Port configuration
* @details Конфигурация одиночного бита порта
* @param PORT - имя порта (A..G)
* @param BIT - номер бита (0..15)
* @param CM - конфигурация бита
* @return
* @note Используется перечисляемый тип CFG_MODE
* @note Для IN_PD_PU нужный pull-down, pull-up задается в ODR
*/
#define GPIO_LBIT_CFG(PORT,BIT,CM) \
GPIO##PORT->CRL = GPIO##PORT->CRL & (~(0xf<<BIT*4)) | (CM<<BIT*4)

#define GPIO_HBIT_CFG(PORT,BIT,CM) \
GPIO##PORT->CRH = GPIO##PORT->CRH & (~(0xf<<(BIT-8)*4)) | (CM<<(BIT-8)*4)