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master working

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handwire
Jack Humbert 7 years ago
parent 8b5b41bb47
commit 00fc38435f
5 changed files with 55 additions and 21 deletions
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52
drivers/arm/twi2c.c
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@ -23,10 +23,6 @@
#include "printf.h"
#include "matrix.h"
#ifndef I2C_DRIVER
#define I2C_DRIVER I2CD1
#endif
/**
* I2C slave test routine.
*
@ -37,8 +33,13 @@
* b) A write then read transaction - calls a message processor and returns the generated reply.
* Stretches clock until reply available.
*/
// static const I2CConfig masterI2CConfig = {
// 400000
// };
static const I2CConfig uniI2CConfig = {
I2CSlaveMsgCB twi2c_slave_message_process, catchError, clearAfterSend;
static const I2CConfig slaveI2CConfig = {
STM32_TIMINGR_PRESC(15U) |
STM32_TIMINGR_SCLDEL(4U) | STM32_TIMINGR_SDADEL(2U) |
STM32_TIMINGR_SCLH(15U) | STM32_TIMINGR_SCLL(21U),
@ -52,7 +53,7 @@ char initialReplyBody[50] = "Initial reply"; // 'Status' response if read
uint32_t messageCounter = 0; /* Counts number of messages received to return as part of response */
uint8_t rxBody[240]; /* stores last message master sent us (intentionally a few bytes smaller than txBody) */
uint8_t rxBody[2]; /* stores last message master sent us (intentionally a few bytes smaller than txBody) */
uint8_t txBody[MATRIX_ROWS/2]; /* Return message buffer for computed replies */
BaseSequentialStream *chp = NULL; // Used for serial logging
@ -68,7 +69,7 @@ const I2CSlaveMsg echoRx =
};
// 'Empty' reply when nothing to say, and no message received. In RAM, to allow update
// // 'Empty' reply when nothing to say, and no message received. In RAM, to allow update
I2CSlaveMsg initialReply =
{
sizeof(initialReplyBody), /* trailing zero byte will be repeated as needed */
@ -78,6 +79,16 @@ I2CSlaveMsg initialReply =
catchError /* Error hook */
};
// // 'Empty' reply when nothing to say, and no message received. In RAM, to allow update
// I2CSlaveMsg initialReply =
// {
// 0, /* trailing zero byte will be repeated as needed */
// NULL,
// NULL, /* do nothing on address match */
// NULL, /* do nothing after reply sent */
// catchError /* Error hook */
// };
// Response to received messages
I2CSlaveMsg echoReply = { /* this is in RAM so size may be updated */
@ -129,7 +140,8 @@ void twi2c_slave_message_process(I2CDriver *i2cp) {
// size_t len = i2cSlaveBytes(i2cp); // Number of bytes received
matrix_copy(txBody);
memset(txBody, 0, MATRIX_ROWS / 2 * sizeof(matrix_row_t));
// matrix_copy(txBody);
echoReply.size = MATRIX_ROWS / 2;
i2cSlaveReplyI(i2cp, &echoReply);
@ -162,17 +174,18 @@ void twi2c_slave_init(void) {
palSetPadMode(GPIOB, 8, PAL_MODE_ALTERNATE(4) | PAL_STM32_OTYPE_OPENDRAIN | PAL_STM32_PUPDR_PULLUP);
i2cStart(&I2C_DRIVER, &uniI2CConfig);
i2cStart(&I2C_DRIVER, &slaveI2CConfig);
#if HAL_USE_I2C_SLAVE
I2C_DRIVER.slaveTimeout = MS2ST(100); // Time for complete message
#endif
i2cSlaveConfigure(&I2C_DRIVER, &echoRx, &initialReply);
// i2cSlaveConfigure(&I2C_DRIVER, &echoRx, &initialReply);
i2cSlaveConfigure(&I2C_DRIVER, &echoRx, &echoReply);
// Enable match address after everything else set up
i2cMatchAddress(&I2C_DRIVER, slaveI2Caddress/2);
// i2cMatchAddress(&I2C_DRIVER, myOtherI2Caddress/2);
// i2cMatchAddress(&I2C_DRIVER, 0); /* "all call" */
// i2cMatchAddress(&I2C_DRIVER, 0); /* "all call" */
printf("Slave I2C started\n\r");
@ -186,9 +199,18 @@ void twi2c_slave_task(void) {
}
void twi2c_master_init(void) {
i2cStart(&I2C_DRIVER, &uniI2CConfig);
}
msg_t twi2c_master_send(i2caddr_t address, const uint8_t * txbuf, uint8_t * rxbuf, systime_t timeout) {
return i2cMasterTransmitTimeout(&I2C_DRIVER, address, txbuf, sizeof(txbuf), rxbuf, sizeof(rxbuf), timeout);
palSetGroupMode(GPIOB,8,9, PAL_MODE_INPUT); // Try releasing special pins for a short time
chThdSleepMilliseconds(10);
palSetPadMode(GPIOB, 9, PAL_MODE_ALTERNATE(4) | PAL_STM32_OTYPE_OPENDRAIN | PAL_STM32_PUPDR_PULLUP);
palSetPadMode(GPIOB, 8, PAL_MODE_ALTERNATE(4) | PAL_STM32_OTYPE_OPENDRAIN | PAL_STM32_PUPDR_PULLUP);
i2cStart(&I2C_DRIVER, &slaveI2CConfig);
// try high drive (from kiibohd)
// I2C_DRIVER.i2c->C2 |= I2Cx_C2_HDRS;
// try glitch fixing (from kiibohd)
// I2C_DRIVER.i2c->FLT = 4;
}

5
drivers/arm/twi2c.h
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@ -17,6 +17,10 @@
#include "ch.h"
#include "hal.h"
#ifndef I2C_DRIVER
#define I2C_DRIVER I2CD1
#endif
#define slaveI2Caddress 0x30 /* Address in our terms - halved by later code */
//#define myOtherI2Caddress 0x19
@ -25,4 +29,3 @@ I2CSlaveMsgCB twi2c_slave_message_process, catchError, clearAfterSend;
void twi2c_slave_init(void);
void twi2c_master_init(void);
msg_t twi2c_master_send(i2caddr_t address, const uint8_t * txbuf, uint8_t * rxbuf, systime_t timeout);

4
keyboards/_qmk_handwire/boards/GENERIC_STM32_F303XC/board.c
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@ -62,13 +62,15 @@ const PALConfig pal_default_config = {
};
#endif
void enter_bootloader_mode_if_requested(void);
/**
* @brief Early initialization code.
* @details This initialization must be performed just after stack setup
* and before any other initialization.
*/
void __early_init(void) {
enter_bootloader_mode_if_requested();
stm32_clock_init();
}

4
keyboards/_qmk_handwire/keymaps/default/keymap.c
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@ -34,14 +34,14 @@ enum custom_keycodes {
const uint16_t keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
[0] = KEYMAP(
KC_GRV, KC_1, KC_2, KC_3, KC_4, KC_0, KC_DEL,
RESET, KC_1, KC_2, KC_3, KC_4, KC_0, KC_DEL,
KC_TAB, DEBUG, KC_W, KC_E, KC_R, KC_T, KC_HOME,
KC_ESC, KC_A, KC_S, KC_D, KC_F, KC_G, KC_END,
KC_LSFT, KC_Z, KC_X, KC_C, KC_V, KC_N,
KC_RCTL, KC_LEFT, KC_DOWN, KC_UP, KC_LGUI,
KC_SPC, MO(2), MO(1),
KC_INS, KC_6, KC_7, KC_8, KC_9, KC_0, KC_BSPC,
KC_INS, KC_6, KC_7, KC_8, KC_9, KC_0, RESET,
KC_PGUP, KC_Y, KC_U, KC_I, KC_O, DEBUG, KC_DEL,
KC_PGDN, KC_H, KC_J, KC_K, KC_L, KC_COLN, KC_QUOT,
KC_N, KC_M, KC_COMM, KC_DOT, KC_SLSH, KC_ENT,

9
keyboards/_qmk_handwire/matrix.c
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@ -134,8 +134,15 @@ uint8_t other_matrix[MATRIX_ROWS] = { 0 };
void matrix_scan_master(void) {
msg_t resp;
resp = twi2c_master_send(slaveI2Caddress/2, command, other_matrix, TIME_IMMEDIATE);
// resp = twi2c_master_send(slaveI2Caddress/2, command, 2, other_matrix, US2ST(100));
// resp = i2cMasterTransmitTimeout(&I2C_DRIVER, slaveI2Caddress/2, command, 2, other_matrix, MATRIX_ROWS / 2, US2ST(100));
resp = i2cMasterReceiveTimeout(&I2C_DRIVER, slaveI2Caddress/2, other_matrix, MATRIX_ROWS / 2, US2ST(100));
// printf("%x\n", resp);
// if (resp != MSG_OK) {
// for (i = 0; i < MATRIX_ROWS / 2; i++) {
// resp = i2cMasterReceiveTimeout(&I2C_DRIVER, slaveI2Caddress/2, other_matrix, MATRIX_ROWS / 2, US2ST(100));
// }
// }
if (resp == MSG_OK) {
uint8_t * matrix_pointer;

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