master working
This commit is contained in:
Jack Humbert
parent
8b5b41bb47
commit
00fc38435f
@ -23,10 +23,6 @@
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#include "printf.h"
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#include "matrix.h"
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#ifndef I2C_DRIVER
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#define I2C_DRIVER I2CD1
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#endif
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/**
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* I2C slave test routine.
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*
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@ -37,8 +33,13 @@
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* b) A write then read transaction - calls a message processor and returns the generated reply.
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* Stretches clock until reply available.
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*/
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// static const I2CConfig masterI2CConfig = {
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// 400000
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// };
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static const I2CConfig uniI2CConfig = {
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I2CSlaveMsgCB twi2c_slave_message_process, catchError, clearAfterSend;
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static const I2CConfig slaveI2CConfig = {
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STM32_TIMINGR_PRESC(15U) |
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STM32_TIMINGR_SCLDEL(4U) | STM32_TIMINGR_SDADEL(2U) |
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STM32_TIMINGR_SCLH(15U) | STM32_TIMINGR_SCLL(21U),
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@ -52,7 +53,7 @@ char initialReplyBody[50] = "Initial reply"; // 'Status' response if read
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uint32_t messageCounter = 0; /* Counts number of messages received to return as part of response */
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uint8_t rxBody[240]; /* stores last message master sent us (intentionally a few bytes smaller than txBody) */
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uint8_t rxBody[2]; /* stores last message master sent us (intentionally a few bytes smaller than txBody) */
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uint8_t txBody[MATRIX_ROWS/2]; /* Return message buffer for computed replies */
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BaseSequentialStream *chp = NULL; // Used for serial logging
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@ -68,7 +69,7 @@ const I2CSlaveMsg echoRx =
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};
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// 'Empty' reply when nothing to say, and no message received. In RAM, to allow update
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// // 'Empty' reply when nothing to say, and no message received. In RAM, to allow update
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I2CSlaveMsg initialReply =
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{
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sizeof(initialReplyBody), /* trailing zero byte will be repeated as needed */
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@ -78,6 +79,16 @@ I2CSlaveMsg initialReply =
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catchError /* Error hook */
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};
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// // 'Empty' reply when nothing to say, and no message received. In RAM, to allow update
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// I2CSlaveMsg initialReply =
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// {
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// 0, /* trailing zero byte will be repeated as needed */
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// NULL,
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// NULL, /* do nothing on address match */
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// NULL, /* do nothing after reply sent */
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// catchError /* Error hook */
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// };
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// Response to received messages
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I2CSlaveMsg echoReply = { /* this is in RAM so size may be updated */
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@ -129,7 +140,8 @@ void twi2c_slave_message_process(I2CDriver *i2cp) {
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// size_t len = i2cSlaveBytes(i2cp); // Number of bytes received
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matrix_copy(txBody);
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memset(txBody, 0, MATRIX_ROWS / 2 * sizeof(matrix_row_t));
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// matrix_copy(txBody);
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echoReply.size = MATRIX_ROWS / 2;
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i2cSlaveReplyI(i2cp, &echoReply);
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@ -162,12 +174,13 @@ void twi2c_slave_init(void) {
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palSetPadMode(GPIOB, 8, PAL_MODE_ALTERNATE(4) | PAL_STM32_OTYPE_OPENDRAIN | PAL_STM32_PUPDR_PULLUP);
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i2cStart(&I2C_DRIVER, &uniI2CConfig);
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i2cStart(&I2C_DRIVER, &slaveI2CConfig);
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#if HAL_USE_I2C_SLAVE
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I2C_DRIVER.slaveTimeout = MS2ST(100); // Time for complete message
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#endif
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i2cSlaveConfigure(&I2C_DRIVER, &echoRx, &initialReply);
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// i2cSlaveConfigure(&I2C_DRIVER, &echoRx, &initialReply);
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i2cSlaveConfigure(&I2C_DRIVER, &echoRx, &echoReply);
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// Enable match address after everything else set up
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i2cMatchAddress(&I2C_DRIVER, slaveI2Caddress/2);
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@ -186,9 +199,18 @@ void twi2c_slave_task(void) {
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}
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void twi2c_master_init(void) {
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i2cStart(&I2C_DRIVER, &uniI2CConfig);
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}
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msg_t twi2c_master_send(i2caddr_t address, const uint8_t * txbuf, uint8_t * rxbuf, systime_t timeout) {
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return i2cMasterTransmitTimeout(&I2C_DRIVER, address, txbuf, sizeof(txbuf), rxbuf, sizeof(rxbuf), timeout);
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palSetGroupMode(GPIOB,8,9, PAL_MODE_INPUT); // Try releasing special pins for a short time
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chThdSleepMilliseconds(10);
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palSetPadMode(GPIOB, 9, PAL_MODE_ALTERNATE(4) | PAL_STM32_OTYPE_OPENDRAIN | PAL_STM32_PUPDR_PULLUP);
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palSetPadMode(GPIOB, 8, PAL_MODE_ALTERNATE(4) | PAL_STM32_OTYPE_OPENDRAIN | PAL_STM32_PUPDR_PULLUP);
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i2cStart(&I2C_DRIVER, &slaveI2CConfig);
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// try high drive (from kiibohd)
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// I2C_DRIVER.i2c->C2 |= I2Cx_C2_HDRS;
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// try glitch fixing (from kiibohd)
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// I2C_DRIVER.i2c->FLT = 4;
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}
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@ -17,6 +17,10 @@
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#include "ch.h"
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#include "hal.h"
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#ifndef I2C_DRIVER
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#define I2C_DRIVER I2CD1
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#endif
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#define slaveI2Caddress 0x30 /* Address in our terms - halved by later code */
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//#define myOtherI2Caddress 0x19
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@ -25,4 +29,3 @@ I2CSlaveMsgCB twi2c_slave_message_process, catchError, clearAfterSend;
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void twi2c_slave_init(void);
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void twi2c_master_init(void);
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msg_t twi2c_master_send(i2caddr_t address, const uint8_t * txbuf, uint8_t * rxbuf, systime_t timeout);
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@ -62,13 +62,15 @@ const PALConfig pal_default_config = {
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};
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#endif
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void enter_bootloader_mode_if_requested(void);
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/**
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* @brief Early initialization code.
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* @details This initialization must be performed just after stack setup
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* and before any other initialization.
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*/
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void __early_init(void) {
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enter_bootloader_mode_if_requested();
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stm32_clock_init();
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}
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@ -34,14 +34,14 @@ enum custom_keycodes {
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const uint16_t keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
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[0] = KEYMAP(
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KC_GRV, KC_1, KC_2, KC_3, KC_4, KC_0, KC_DEL,
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RESET, KC_1, KC_2, KC_3, KC_4, KC_0, KC_DEL,
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KC_TAB, DEBUG, KC_W, KC_E, KC_R, KC_T, KC_HOME,
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KC_ESC, KC_A, KC_S, KC_D, KC_F, KC_G, KC_END,
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KC_LSFT, KC_Z, KC_X, KC_C, KC_V, KC_N,
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KC_RCTL, KC_LEFT, KC_DOWN, KC_UP, KC_LGUI,
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KC_SPC, MO(2), MO(1),
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KC_INS, KC_6, KC_7, KC_8, KC_9, KC_0, KC_BSPC,
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KC_INS, KC_6, KC_7, KC_8, KC_9, KC_0, RESET,
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KC_PGUP, KC_Y, KC_U, KC_I, KC_O, DEBUG, KC_DEL,
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KC_PGDN, KC_H, KC_J, KC_K, KC_L, KC_COLN, KC_QUOT,
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KC_N, KC_M, KC_COMM, KC_DOT, KC_SLSH, KC_ENT,
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@ -134,8 +134,15 @@ uint8_t other_matrix[MATRIX_ROWS] = { 0 };
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void matrix_scan_master(void) {
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msg_t resp;
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resp = twi2c_master_send(slaveI2Caddress/2, command, other_matrix, TIME_IMMEDIATE);
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// resp = twi2c_master_send(slaveI2Caddress/2, command, 2, other_matrix, US2ST(100));
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// resp = i2cMasterTransmitTimeout(&I2C_DRIVER, slaveI2Caddress/2, command, 2, other_matrix, MATRIX_ROWS / 2, US2ST(100));
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resp = i2cMasterReceiveTimeout(&I2C_DRIVER, slaveI2Caddress/2, other_matrix, MATRIX_ROWS / 2, US2ST(100));
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// printf("%x\n", resp);
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// if (resp != MSG_OK) {
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// for (i = 0; i < MATRIX_ROWS / 2; i++) {
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// resp = i2cMasterReceiveTimeout(&I2C_DRIVER, slaveI2Caddress/2, other_matrix, MATRIX_ROWS / 2, US2ST(100));
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// }
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// }
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if (resp == MSG_OK) {
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uint8_t * matrix_pointer;
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