ahoneybun/qmk_firmware
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a little progress

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This commit is contained in:
Jack Humbert 2018-02-15 02:06:06 -05:00
parent f60166c1a1
commit 3c0d86eb47
2 changed files with 20 additions and 24 deletions
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15
drivers/arm/twi2c.c
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@ -53,7 +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 txBody[256]; /* Return message buffer for computed replies */
uint8_t txBody[MATRIX_ROWS/2]; /* Return message buffer for computed replies */
BaseSequentialStream *chp = NULL; // Used for serial logging
@ -126,19 +126,12 @@ const char hexString[16] = "0123456789abcdef";
* Note: Called in interrupt context, so need to be quick!
*/
void twi2c_slave_message_process(I2CDriver *i2cp) {
uint8_t *txPtr = txBody;
uint8_t txLen;
size_t len = i2cSlaveBytes(i2cp); // Number of bytes received
// size_t len = i2cSlaveBytes(i2cp); // Number of bytes received
if (len >= 2 && rxBody[0] == 0x01 && rxBody[1] == 0x00) {
matrix_row_t matrix[MATRIX_ROWS / 2];
matrix_copy(matrix);
memcpy(txPtr, matrix, MATRIX_ROWS / 2);
txLen = MATRIX_ROWS / 2;
}
matrix_copy(txBody);
echoReply.size = txLen;
echoReply.size = MATRIX_ROWS / 2;
i2cSlaveReplyI(i2cp, &echoReply);
}